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EP3198666A1 - Battery system - Google Patents

Battery system

Info

Publication number
EP3198666A1
EP3198666A1 EP15771890.9A EP15771890A EP3198666A1 EP 3198666 A1 EP3198666 A1 EP 3198666A1 EP 15771890 A EP15771890 A EP 15771890A EP 3198666 A1 EP3198666 A1 EP 3198666A1
Authority
EP
European Patent Office
Prior art keywords
segment
battery system
housing
energy storage
net
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP15771890.9A
Other languages
German (de)
French (fr)
Inventor
Frank Obrist
Martin Graz
Joachim Georg Roth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Obrist Technologies GmbH
Original Assignee
Obrist Technologies GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Obrist Technologies GmbH filed Critical Obrist Technologies GmbH
Publication of EP3198666A1 publication Critical patent/EP3198666A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/643—Cylindrical cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the invention relates to a battery system, in particular for a hybrid drive, according to the preamble of patent claim 1 and a vehicle with such a battery system.
  • a battery system is known for example from EP 2 744 034 AI, which goes back to the applicant.
  • the housing can be subdivided into several segments, wherein an energy storage segment, an electrical / electronic segment and at least one fluid connection segment can be distinguished.
  • Fluid connection segments provided, between which extends the electrical / electronic segment.
  • the fluid connection segments and the electrical / electronic segment are arranged on the same end face of the energy storage segment.
  • connecting lines for the merger of a plurality of fluid channels are provided, which occupy a relatively large space, which has proven to be disadvantageous in terms of the outer dimensions of the known battery system.
  • the physical proximity of electrical / electronic segment and fluid connection segment has proven to be of concern.
  • a battery system of the type mentioned in such a way that it has a compact size and increased reliability. It is another object of the invention to provide a vehicle with such a battery system.
  • the energy storage segment and an electrical / electronic segment has at least two flow-through cooling elements and a cell block.
  • the cell block is made up of several electrically through
  • the fluid connection segment and the electrical / electronic segment are separated from one another by the energy storage segment.
  • the fluid connection segment can be arranged on one end side and the electrical / electronic segment on an opposite end side of the housing, so that a physical separation is brought about, which reduces the risk of a short circuit resulting in a thermal event.
  • the energy storage segment has a cuboid volume which corresponds to at least 0.5 times the total internal volume of the housing. This will be a particularly high
  • the energy storage segment has at least three cooling elements which can be flowed through and at least two cell blocks arranged one above the other, one cell block each being arranged between two cooling elements.
  • Block volume at least 0.55 times, in particular at least 0.6 times, in particular at least 0.62 times, in particular at least 0.65 times, corresponds to the total inner volume of the housing.
  • the battery cells of the battery system can be formed in particular by round cells, in particular of the type 18650. Such round cells are available in large numbers and at low cost, so that the battery system is inexpensive to produce.
  • the housing has a total height of at most 200 mm, in particular at most 190 mm, in particular at most 180 mm, in particular at most 170 mm, in particular at most 160 mm.
  • Fluid accumulation within the housing leads. Rather, an advantageous separation is made to components that carry electrical power.
  • Laterally along the cell block can be an electronic board for a
  • Battery monitoring system may be arranged, which is associated with the energy storage segment.
  • the electronic circuit board can be used for monitoring the voltage and / or temperature of the individual battery cells and is advantageously designed and coupled to the cell block, that by their incorporation into the battery system, the cuboid volume of
  • Energy storage segment at most slightly changes, preferably remains unchanged.
  • the invention also relates to a vehicle, in particular hybrid vehicle, with a previously described
  • the battery system Due to the small outer dimensions of the battery system at the same time high storage density, the battery system can be simple and
  • Fig. 1 is a longitudinal sectional view through a housing of a
  • the battery system has a housing 11 which fits into a
  • Fluid connection segment 12 an energy storage segment 13 and an electrical / electronic segment 14 divide.
  • This functional division is constructive insofar as the energy storage segment 13 essentially encloses a cuboid volume, in which at least two cell blocks 16 arranged one above the other are arranged, which are each arranged between two cooling elements 15 which can be flowed through.
  • the energy storage segment 13 is defined by the outer edges of a cuboid having at least a lower cooling element 15a, a lower cell block 16a, a middle cooling element 15b, an upper cell block 16b and an upper cooling element 15c.
  • the cell blocks 16 are each composed of several
  • Battery cells 17 are formed, which are electrically and mechanically connected by contact plates. Altogether the height of the battery cells 17
  • Cell blocks 16 wherein the cell blocks 16 have a height, the height of the battery cells 17 plus twice the thickness of a contact plate
  • a cuboid volume results for the energy storage segment, which corresponds to at least 0.5 times the total internal volume. It is particularly provided that the housing has a cuboid interior volume. In concrete embodiments, the cuboid volume can also be at least 0.55 times, in particular at least 0.6 times, preferably at least 0.62 times, particularly advantageously at least 0.65 times, the total inner volume of the housing 11 correspond.
  • the internal volume of the housing 11 is about 54 l, with the cuboid volume of the cell block 16 being about 36 l.
  • the battery cells are formed by round cells.
  • the round cells for example, each have a cross-sectional diameter of 18 mm and a height of 65 mm.
  • the round cells are preferably type 18650 lithium-ion cells.
  • Battery cells 17 are combined to form a cell block 16.
  • the respective adjacent rows may be arranged offset from one another,
  • the housing 11 preferably has an overall height of between 160 mm and 180 mm, in particular approximately 170 mm.
  • the cooling elements 15 can be designed as cooling bags or cooling pockets which have flexible outer walls.
  • the cooling elements 15 can in any case be flowed through by a coolant, for which purpose the cooling elements 15 in each case
  • Fluid connections 20 include.
  • the fluid connections 20 are at one
  • the fluid connection segment 12 is bounded by a rear end wall 19 of the housing 11.
  • Cooling elements 15 are connected, extending through the rear end wall 19 therethrough and are secured in the rear end wall 19 and sealed.
  • the electrical / electronic segment 14 includes all electrical wiring and electronic components required to connect the cell blocks 16 to an electrical terminal 21 on a front end wall 18 of the housing 11.
  • the electrical connection 21 can comprise both a power connection and a signal and / or data connection.
  • the electrical connection 21 is arranged on an outer side of the front end wall 18 and attached to the front end wall 18 and sealed with respect to this.
  • the electrical connection 21 and the fluid connections 20 provide plug connections to integrate the battery system in a hybrid drive. It is provided in the embodiment shown in the figures in a preferred manner that all detachable electrical connections 21 and all detachable fluid ports 20 are arranged outside of the housing 11. This increases the reliability of the battery system 10. With regard to a further increase in the packing density, however, it is also conceivable that either the fluid connections 20 or the electrical connection 21 are arranged outside the housing / is.
  • the energy storage segment 13 may additionally comprise one or more electronic boards, which are mechanically and electrically connected directly to the cell blocks 16 in order to provide battery monitoring.
  • the electronic board allows in
  • the electronic board for temperature measurement of the individual cell blocks 16 can be used. Essentially, it is provided that the electronic circuit board is so flush with a side surface along the
  • Cell block 16 is arranged so that the electronic board is fully received in the cuboid volume of the energy storage segment.
  • Cell block 16 is arranged to calculate the cuboid volume not the electrical / electronic segment 14, but added to the energy storage segment 13, the electronic board is preferably so tight and flush integrated between the contact plates of the cell blocks 16, that this hardly affects the calculation of the cuboid volume takes. LIST OF REFERENCE NUMBERS

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Sustainable Energy (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Materials Engineering (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention relates to a battery system (10), in particular for a hybrid drive, having a housing (11) which has a fluid connector segment (12), an energy store segment (13) and an electrics/electronics segment (14), wherein the energy store segment (13) has at least two cooling elements (15), through which flow can pass, and at least one cell block (16) which are formed in each case from multiple battery cells (17) that are connected electrically and mechanically by way of contact plates (15), and wherein the cell block (16) is arranged between two cooling elements (15). The invention is characterized in that the energy store segment (13) is arranged between the fluid connector segment (12) and the electrics/electronics segment (14) and has a cuboidal volume which corresponds to at least 0.5 times the total internal volume of the housing (11).

Description

Batteriesystem  battery system

Beschreibung description

Die Erfindung betrifft ein Batteriesystem, insbesondere für einen Hybridantrieb, gemäß dem Oberbegriff des Patentanspruchs 1 sowie ein Fahrzeug mit einem derartigen Batteriesystem. Ein derartiges Batteriesystem ist beispielsweise aus EP 2 744 034 AI bekannt, die auf die Anmelderin zurückgeht. The invention relates to a battery system, in particular for a hybrid drive, according to the preamble of patent claim 1 and a vehicle with such a battery system. Such a battery system is known for example from EP 2 744 034 AI, which goes back to the applicant.

Bei dem bekannten Batteriesystem sind in einem Gehäuse Zellenblöcke In the known battery system are in a housing cell blocks

angeordnet, die durch Kühlelemente voneinander getrennt sind. An der Stirnseite der Zellenblöcke sind Fluidanschlüsse vorgesehen, wobei die Verkabelung der einzelnen Zellenblöcke untereinander zwischen den Fluidanschlüssen angeordnet sind. Insofern lässt sich das Gehäuse in mehrere Segmente unterteilen, wobei ein Energiespeichersegment, ein Elektrik-/Elektroniksegment und wenigstens ein Fluidanschlusssegment unterschieden werden. arranged, which are separated by cooling elements. On the front side of the cell blocks fluid connections are provided, wherein the wiring of the individual cell blocks are arranged between each other between the fluid ports. In this respect, the housing can be subdivided into several segments, wherein an energy storage segment, an electrical / electronic segment and at least one fluid connection segment can be distinguished.

Konkret sind bei dem Batteriesystem gemäß EP 2 744 034 AI zwei Specifically, in the battery system according to EP 2 744 034 A1 two

Fluidanschlusssegmente vorgesehen, zwischen welchen sich das Elektrik- /Elektroniksegment erstreckt. Die Fluidanschlusssegmente und das Elektrik- /Elektroniksegment sind an derselben Stirnseite des Energiespeichersegments angeordnet. In den Fluidanschlusssegmenten sind Anschlussleitungen für die Zusammenführung mehrerer Fluidkanäle vorgesehen, die einen relativ großen Bauraum einnehmen, was sich als nachteilig hinsichtlich der Außendimensionen des bekannten Batteriesystems herausgestellt hat. Außerdem hat sich die räumliche Nähe von Elektrik-/Elektroniksegment und Fluidanschlusssegment als bedenklich erwiesen. Fluid connection segments provided, between which extends the electrical / electronic segment. The fluid connection segments and the electrical / electronic segment are arranged on the same end face of the energy storage segment. In the fluid connection segments connecting lines for the merger of a plurality of fluid channels are provided, which occupy a relatively large space, which has proven to be disadvantageous in terms of the outer dimensions of the known battery system. In addition, the physical proximity of electrical / electronic segment and fluid connection segment has proven to be of concern.

Insofern ist es Aufgabe der vorliegenden Erfindung, ein Batteriesystem der eingangs genannten Art derart weiterzuentwickeln, dass es eine kompakte Baugröße und eine erhöhte Betriebssicherheit aufweist. Ferner ist es Aufgabe der Erfindung ein Fahrzeug mit einem solchen Batteriesystem anzugeben. In this respect, it is an object of the present invention, a battery system of the type mentioned in such a way that it has a compact size and increased reliability. It is another object of the invention to provide a vehicle with such a battery system.

Erfindungsgemäß wird diese Aufgabe durch den Gegenstand des Patentanspruchs 1 gelöst. Demnach wird ein Batteriesystem, insbesondere für einen Hybridantrieb, mit einem Gehäuse vorgeschlagen, das ein Fluidanschlusssegment, ein According to the invention, this object is achieved by the subject matter of patent claim 1. Accordingly, a battery system, in particular for a hybrid drive, proposed with a housing having a fluid connection segment, a

Energiespeichersegment und ein Elektrik-/Elektroniksegment aufweist. Das Energiespeichersegment weist wenigstens zwei durchströmbare Kühlelemente und einen Zellenblock auf. Der Zellenblock ist aus mehreren elektrisch durch Energy storage segment and an electrical / electronic segment has. The energy storage segment has at least two flow-through cooling elements and a cell block. The cell block is made up of several electrically through

Kontaktplatten verbundene Batteriezellen gebildet. Dabei ist der Zellenblock zwischen den zwei Kühlelementen angeordnet. Erfindungsgemäß ist das Contact plates connected battery cells formed. In this case, the cell block is arranged between the two cooling elements. This is according to the invention

Energiespeichersegment zwischen dem Fluidanschlusssegment und dem Elektrik- /Elektroniksegment angeordnet. Energy storage segment between the fluid connection segment and the electrical / electronic segment arranged.

Mit der erfindungsgemäßen Ausgestaltung des Batteriesystems wird einerseits eine erhöhte Betriebssicherheit erreicht, da das Fluidanschlusssegment und das Elektrik-/Elektroniksegment durch das Energiespeichersegment voneinander getrennt ist. Insbesondere kann das Fluidanschlusssegment an einer Stirnseite und das Elektrik-/Elektroniksegment an einer gegenüberliegenden Stirnseite des Gehäuses angeordnet sein, so dass eine bauliche Trennung herbeigeführt ist, die die Gefahr eines Kurzschlusses mit der Folge eines thermischen Events reduziert. With the embodiment of the battery system according to the invention, on the one hand, increased operational safety is achieved, since the fluid connection segment and the electrical / electronic segment are separated from one another by the energy storage segment. In particular, the fluid connection segment can be arranged on one end side and the electrical / electronic segment on an opposite end side of the housing, so that a physical separation is brought about, which reduces the risk of a short circuit resulting in a thermal event.

Außerdem ist bei der Erfindung vorgesehen, dass das Energiespeichersegment ein Quadervolumen aufweist, das wenigstens den 0,5-fachen des Gesamtinnenvolumens des Gehäuses entspricht. Damit wird eine besonders hohe In addition, it is provided in the invention that the energy storage segment has a cuboid volume which corresponds to at least 0.5 times the total internal volume of the housing. This will be a particularly high

Packungsdichte herbeigeführt, was zur Folge hat, dass die Außendimensionen des Batteriesystems, insbesondere des Gehäuses, gegenüber der vorbekannten Batterie reduziert sind. Dies eröffnet weitere Möglichkeiten zur Integration des Batteriesystems in einem Hybridantrieb, wobei gleichzeitig eine hohe Packing density brought about, with the result that the outer dimensions of the battery system, in particular the housing, are reduced compared to the prior art battery. This opens up further possibilities for the integration of the battery system in a hybrid drive, at the same time a high

Speicherkapazität bereitgestellt wird. Bei der Verwendung des Batteriesystems im Fahrzeug kann somit die Reichweite des Fahrzeugs trotz kompakter Abmessungen des Batteriesystems erhöht werden. Storage capacity is provided. When using the battery system in the vehicle thus the range of the vehicle can be increased despite the compact dimensions of the battery system.

In einer besonders bevorzugten Ausführungsform der Erfindung ist vorgesehen, dass das Energiespeichersegment wenigstens drei durchströmbare Kühlelemente und wenigstens zwei übereinander angeordnete Zellenblöcke aufweist, wobei jeweils ein Zellenblock zwischen zwei Kühlelementen angeordnet ist. In a particularly preferred embodiment of the invention, it is provided that the energy storage segment has at least three cooling elements which can be flowed through and at least two cell blocks arranged one above the other, one cell block each being arranged between two cooling elements.

Um die Speicherdichte bei kleinen Außendimensionen weiter zu erhöhen bzw. die Außendimensionen bei gleicher Speicherdichte weiter zu reduzieren, ist in besonders bevorzugten Varianten der Erfindung vorgesehen, dass das In order to further increase the storage density with small outer dimensions or to further reduce the outer dimensions with the same storage density, is in Particularly preferred variants of the invention provided that the

Quadervolumen wenigstens dem 0,55-fachen, insbesondere wenigstens dem 0,6- fachen, insbesondere wenigstens dem 0,62-fachen, insbesondere wenigstens dem 0,65-fachen, des Gesamt-Innenvolumens des Gehäuses entspricht. In diesem Zusammenhang wird darauf hingewiesen, dass das Quadervolumen durch Block volume at least 0.55 times, in particular at least 0.6 times, in particular at least 0.62 times, in particular at least 0.65 times, corresponds to the total inner volume of the housing. In this context, it should be noted that the cuboid volume

Messungen der Kantenlängen der einzelnen Segmente ermittelt wird . Measurements of the edge lengths of the individual segments is determined.

Die Batteriezellen des Batteriesystems können insbesondere durch Rundzellen, insbesondere des Typs 18650, gebildet sein. Derartige Rundzellen sind in hoher Stückzahl und zu geringen Kosten verfügbar, so dass das Batteriesystem kostengünstig produzierbar ist. The battery cells of the battery system can be formed in particular by round cells, in particular of the type 18650. Such round cells are available in large numbers and at low cost, so that the battery system is inexpensive to produce.

Hinsichtlich kompakter Außenabmessungen des Batteriesystems ist es bevorzugt, wenn das Gehäuse eine Gesamthöhe von höchstens 200mm, insbesondere höchstens 190mm, insbesondere höchstens 180mm, insbesondere höchstens 170mm, insbesondere höchstens 160mm, aufweist. With regard to compact external dimensions of the battery system, it is preferred if the housing has a total height of at most 200 mm, in particular at most 190 mm, in particular at most 180 mm, in particular at most 170 mm, in particular at most 160 mm.

Bei bevorzugten Varianten der Erfindung sind alle lösbaren elektrischen In preferred variants of the invention are all releasable electrical

Anschlüsse und/oder alle lösbaren Fluidanschlüsse außerhalb des Gehäuses angeordnet. Dies kommt der Betriebssicherheit des Batteriesystems weiter zugute, da eine Leckage an den lösbaren Fluidanschlüssen nicht zu einer Ports and / or all releasable fluid ports arranged outside the housing. This further benefits the operational safety of the battery system, since a leakage at the detachable fluid connections does not lead to a

Flüssigkeitsansammlung innerhalb des Gehäuses führt. Vielmehr ist eine vorteilhafte Trennung zu Bauteilen hergestellt, die elektrischen Strom führen. Fluid accumulation within the housing leads. Rather, an advantageous separation is made to components that carry electrical power.

Seitlich entlang des Zellenblocks kann eine Elektronikplatine für ein Laterally along the cell block can be an electronic board for a

Batterieüberwachungssystem angeordnet sein, die dem Energiespeichersegment zugeordnet ist. Die Elektronikplatine kann zur Überwachung der Spannung und/oder Temperatur der einzelnen Batteriezellen eingesetzt werden und ist vorteilhafterweise derart ausgebildet und mit dem Zellenblock gekoppelt, dass sich durch ihren Einbau in das Batteriesystem das Quadervolumen des Battery monitoring system may be arranged, which is associated with the energy storage segment. The electronic circuit board can be used for monitoring the voltage and / or temperature of the individual battery cells and is advantageously designed and coupled to the cell block, that by their incorporation into the battery system, the cuboid volume of

Energiespeichersegments allenfalls geringfügig ändert, vorzugsweise unverändert bleibt. Energy storage segment at most slightly changes, preferably remains unchanged.

Im Rahmen eines nebengeordneten Aspekts betrifft die Erfindung außerdem ein Fahrzeug, insbesondere Hybridfahrzeug, mit einem zuvor beschriebenen In a secondary aspect, the invention also relates to a vehicle, in particular hybrid vehicle, with a previously described

Batteriesystem. Wegen der geringen Außendimensionen des Batteriesystems bei gleichzeitig hoher Speicherdichte kann das Batteriesystem einfach und Battery system. Due to the small outer dimensions of the battery system at the same time high storage density, the battery system can be simple and

platzsparend in ein Fahrzeug integriert werden. to save space in a vehicle.

Im Detail wird die vorliegende Erfindung anhand eines Ausführungsbeispiels unter Bezugnahme auf die beigefügten, schematischen Zeichnungen näher erläutert. Darin zeigen In detail, the present invention will be explained in more detail with reference to an embodiment with reference to the accompanying schematic drawings. Show in it

Fig. 1 eine Längsschnittansicht durch ein Gehäuse eines Fig. 1 is a longitudinal sectional view through a housing of a

erfindungsgemäßen Batteriesystem; und  battery system according to the invention; and

Fig. 2 eine perspektivische Ansicht des Längsschnitts durch das Gehäuse 1. 2 is a perspective view of the longitudinal section through the housing. 1

Das Batteriesystem weist ein Gehäuse 11 auf, das sich in ein The battery system has a housing 11 which fits into a

Fluidanschlusssegment 12, ein Energiespeichersegment 13 und ein Elektrik- /Elektroniksegment 14 teilen lässt. Diese Funktionsteilung bildet sich insofern konstruktiv ab, als dass das Energiespeichersegment 13 im Wesentlichen ein Quadervolumen einschließt, in dem zumindest zwei übereinander angeordnete Zellenblöcke 16 angeordnet sind, die jeweils zwischen zwei durchströmbaren Kühlelementen 15 angeordnet sind. Fluid connection segment 12, an energy storage segment 13 and an electrical / electronic segment 14 divide. This functional division is constructive insofar as the energy storage segment 13 essentially encloses a cuboid volume, in which at least two cell blocks 16 arranged one above the other are arranged, which are each arranged between two cooling elements 15 which can be flowed through.

Das Energiespeichersegment 13 wird durch die Außenkanten eines Quaders definiert, der wenigstens ein unteres Kühlelement 15a, einen unteren Zellenblock 16a, ein mittleres Kühlelement 15b, einen oberen Zellenblock 16b und ein oberes Kühlelement 15c aufweist. Die Zellenblöcke 16 sind jeweils aus mehreren The energy storage segment 13 is defined by the outer edges of a cuboid having at least a lower cooling element 15a, a lower cell block 16a, a middle cooling element 15b, an upper cell block 16b and an upper cooling element 15c. The cell blocks 16 are each composed of several

Batteriezellen 17 gebildet, die elektrisch und mechanisch durch Kontaktplatten miteinander verbunden sind. Insgesamt berechnet sich die Höhe des Battery cells 17 are formed, which are electrically and mechanically connected by contact plates. Altogether the height of the

Quadervolumens also aus dem Schichtaufbau aus Kühlelementen 15 und Quadervolume thus from the layer structure of cooling elements 15 and

Zellenblöcken 16, wobei die Zellenblöcke 16 eine Höhe aufweisen, die der Höhe der Batteriezellen 17 zuzüglich der doppelten Dicke einer Kontaktplatte Cell blocks 16, wherein the cell blocks 16 have a height, the height of the battery cells 17 plus twice the thickness of a contact plate

entspricht. equivalent.

Vorzugsweise ergibt sich ein Quadervolumen für das Energiespeichersegment, das mindestens dem 0,5-fachen des Gesamt-Innenvolumens entspricht. Dabei ist insbesondere vorgesehen, dass das Gehäuse ein quaderförmiges Innenvolumen aufweist. In konkreten Ausführungsformen kann das Quadervolumen auch wenigstens dem 0,55-fachen, insbesondere wenigstens dem 0,6-fachen, vorzugsweise wenigstens dem 0,62-fachen, besonders vorteilhaft wenigstens dem 0,65-fachen, des Gesamt-Innenvolumens des Gehäuses 11 entsprechen. Preferably, a cuboid volume results for the energy storage segment, which corresponds to at least 0.5 times the total internal volume. It is particularly provided that the housing has a cuboid interior volume. In concrete embodiments, the cuboid volume can also be at least 0.55 times, in particular at least 0.6 times, preferably at least 0.62 times, particularly advantageously at least 0.65 times, the total inner volume of the housing 11 correspond.

In einer konkreten Konstruktion beträgt das Innenvolumen des Gehäuses 11 etwa 54 I, wobei das Quadervolumen des Zellenblocks 16 etwa 36 I beträgt. In a concrete construction, the internal volume of the housing 11 is about 54 l, with the cuboid volume of the cell block 16 being about 36 l.

Die Batteriezellen sind durch Rundzellen gebildet. Die Rundzellen können beispielsweise jeweils einen Querschnittsdurchmesser von 18 mm und eine Höhe von 65 mm aufweisen. Die Rundzellen sind vorzugsweise Lithium-Ionen-Zellen des Typs 18650. Dabei kann vorgesehen sein, dass die Batteriezellen 17 in Reihen angeordnet sind, wobei mehrere nebeneinander angeordnete Reihen von The battery cells are formed by round cells. The round cells, for example, each have a cross-sectional diameter of 18 mm and a height of 65 mm. The round cells are preferably type 18650 lithium-ion cells. In this case, provision may be made for the battery cells 17 to be arranged in rows, with a plurality of rows of juxtaposed ones

Batteriezellen 17 zu einem Zellenblock 16 zusammengefasst sind. Dabei können die jeweils benachbarten Reihen versetzt zueinander angeordnet sein, Battery cells 17 are combined to form a cell block 16. In this case, the respective adjacent rows may be arranged offset from one another,

insbesondere um jeweils etwa die Hälfte des Zellendurchmesser, so dass eine besonders hohe Packungsdichte innerhalb der Zellenblöcke 16 erreicht wird. Dies wirkt sich positiv auf die Gesamtdimensionen des Batteriesystems aus. Mit anderen Worten kann bei unveränderter Größe des Gehäuses 11 eine erhöhte Energiespeicherdichte erreicht werden. in particular about each half of the cell diameter, so that a particularly high packing density within the cell blocks 16 is achieved. This has a positive effect on the overall dimensions of the battery system. In other words, with an unchanged size of the housing 11, an increased energy storage density can be achieved.

Bei dem in den Figuren dargestellten Ausführungsbeispiel des Batteriesystems 10 sind insgesamt 768 Batteriezellen 17 pro Zellenblock 16 vorgesehen. Trotz der hohen Anzahl an Batteriezellen 17 weist das Gehäuse 11 vorzugsweise eine Gesamthöhe auf, die zwischen 160 mm und 180 mm, insbesondere etwa 170 mm, beträgt. In the embodiment of the battery system 10 illustrated in the figures, a total of 768 battery cells 17 per cell block 16 are provided. Despite the large number of battery cells 17, the housing 11 preferably has an overall height of between 160 mm and 180 mm, in particular approximately 170 mm.

Die Kühlelemente 15 können als Kühlbeutel bzw. Kühltaschen ausgebildet sein, die flexible Außenwände aufweisen. Die Kühlelemente 15 sind jedenfalls mit einem Kühlmittel durchströmbar, wozu die Kühlelemente 15 jeweils The cooling elements 15 can be designed as cooling bags or cooling pockets which have flexible outer walls. The cooling elements 15 can in any case be flowed through by a coolant, for which purpose the cooling elements 15 in each case

Fluidanschlüsse 20 umfassen. Die Fluidanschlüsse 20 sind an einem Fluid connections 20 include. The fluid connections 20 are at one

Anschlussende des jeweiligen Kühlelements 15 angeordnet und erstrecken sich aus dem Energiespeichersegment 13 hinaus in ein Fluidanschlusssegment 12. Das Fluidanschlusssegment 12 ist durch eine hintere Stirnwand 19 des Gehäuses 11 begrenzt. Die Fluidanschlüsse 20, die integral, also nicht lösbar, mit den Connected terminal end of the respective cooling element 15 and extending from the energy storage segment 13 also into a fluid connection segment 12. The fluid connection segment 12 is bounded by a rear end wall 19 of the housing 11. The fluid ports 20, the integral, so not soluble, with the

Kühlelementen 15 verbunden sind, erstrecken sich durch die hintere Stirnwand 19 hindurch und sind in der hinteren Stirnwand 19 befestigt und abgedichtet. Auf der dem Fluidanschlusssegment 12 gegenüberliegenden Seite des Cooling elements 15 are connected, extending through the rear end wall 19 therethrough and are secured in the rear end wall 19 and sealed. On the opposite side of the fluid connection segment 12

Energiespeichersegments 13 ist das Elektrik-/Elektroniksegment 14 angeordnet. Das Elektrik-/Elektroniksegment 14 beinhaltet alle elektrischen Verkabelungen und elektronischen Bauteile, die erforderlich sind, um die Zellenblöcke 16 mit einem elektrischen Anschluss 21 an einer vorderen Stirnwand 18 des Gehäuses 11 zu verbinden. Der elektrische Anschluss 21 kann sowohl einen Stromanschluss, als auch einen Signal- und/oder Datenanschluss umfassen. Energy storage segment 13, the electrical / electronic segment 14 is arranged. The electrical / electronic segment 14 includes all electrical wiring and electronic components required to connect the cell blocks 16 to an electrical terminal 21 on a front end wall 18 of the housing 11. The electrical connection 21 can comprise both a power connection and a signal and / or data connection.

Der elektrische Anschluss 21 ist auf einer Außenseite der vorderen Stirnwand 18 angeordnet und an der vorderen Stirnwand 18 befestigt und gegenüber dieser abgedichtet. Der elektrische Anschluss 21 und die Fluidanschlüsse 20 stellen Steckverbindungen bereit, um das Batteriesystem in einen Hybridantrieb zu integrieren. Dabei ist in dem in den Figuren dargestellten Ausführungsbeispiel in bevorzugter Weise vorgesehen, dass alle lösbaren elektrischen Anschlüsse 21 und alle lösbaren Fluidanschlüsse 20 außerhalb des Gehäuses 11 angeordnet sind. Dies erhöht die Betriebssicherheit des Batteriesystems 10. Im Hinblick auf eine weitere Erhöhung der Packungsdichte ist jedoch auch denkbar, dass entweder die Fluidanschlüsse 20 oder der elektrische Anschluss 21 außerhalb des Gehäuses angeordnet sind/ist. The electrical connection 21 is arranged on an outer side of the front end wall 18 and attached to the front end wall 18 and sealed with respect to this. The electrical connection 21 and the fluid connections 20 provide plug connections to integrate the battery system in a hybrid drive. It is provided in the embodiment shown in the figures in a preferred manner that all detachable electrical connections 21 and all detachable fluid ports 20 are arranged outside of the housing 11. This increases the reliability of the battery system 10. With regard to a further increase in the packing density, however, it is also conceivable that either the fluid connections 20 or the electrical connection 21 are arranged outside the housing / is.

Der Vollständigkeit halber sei erwähnt, dass das Energiespeichersegment 13 zusätzlich eine oder mehrere Elektronikplatinen aufweisen kann, die unmittelbar mit den Zellenblöcken 16 mechanisch und elektrisch verbunden sind, um eine Batterieüberwachung bereitzustellen. Die Elektronikplatine ermöglicht im For the sake of completeness, it should be mentioned that the energy storage segment 13 may additionally comprise one or more electronic boards, which are mechanically and electrically connected directly to the cell blocks 16 in order to provide battery monitoring. The electronic board allows in

Wesentlichen ein Abgreifen der Spannungen über einzelne Reihen von einzelnen Batteriezellen 17. Gleichzeitig kann die Elektronikplatine zur Temperaturmessung der einzelnen Zellenblöcke 16 genutzt werden. Im Wesentlichen ist vorgesehen, dass die Elektronikplatine derart bündig an einer Seitenfläche entlang des Essentially tapping the voltages across individual rows of individual battery cells 17. At the same time, the electronic board for temperature measurement of the individual cell blocks 16 can be used. Essentially, it is provided that the electronic circuit board is so flush with a side surface along the

Zellenblocks 16 angeordnet ist, dass die Elektronikplatine vollständig in das Quadervolumen des Energiespeichersegments eingeht. Derartige Cell block 16 is arranged so that the electronic board is fully received in the cuboid volume of the energy storage segment. such

Elektronikplatinen, von denen vorzugsweise jeweils eine einzige an jedem Electronic boards, of which preferably each one at each

Zellenblock 16 angeordnet ist, werden zur Berechnung des Quadervolumens nicht dem Elektrik-/Elektroniksegment 14, sondern dem Energiespeichersegment 13 hinzugerechnet, wobei die Elektronikplatine vorzugsweise derart eng und bündig zwischen die Kontaktplatten der Zellenblöcke 16 integriert ist, dass dies auf die Berechnung des Quadervolumens kaum Einfluss nimmt. Bezugszeichenliste Cell block 16 is arranged to calculate the cuboid volume not the electrical / electronic segment 14, but added to the energy storage segment 13, the electronic board is preferably so tight and flush integrated between the contact plates of the cell blocks 16, that this hardly affects the calculation of the cuboid volume takes. LIST OF REFERENCE NUMBERS

Batteriesystembattery system

Gehäuse casing

Fluidanschlusssegment Fluid connection segment

EnergiespeichersegmentEnergy Storage Segment

Elektrik-/ElektroniksegmentElectrical / electronic segment

Kühlelementa unteres Kühlelementb mittleres Kühlelementc oberes Kühlelement Kühlelementa lower Kühlelementb middle Kühlelementc upper cooling element

Zellenblocka unterer Zellenblock Cell blocka lower cell block

b oberer Zellenblock b upper cell block

Batteriezelle vordere Stirnwand  Battery cell front bulkhead

hintere Stirnwand  rear end wall

Fluidanschluss  fluid port

elektrischer Anschluss  electrical connection

Claims

Ansprüche claims 1. Batteriesystem (10), insbesondere für einen Hybridantrieb, mit einem 1. Battery system (10), in particular for a hybrid drive, with a Gehäuse (11), das ein Fluidanschlusssegment (12), ein  Housing (11) having a fluid connection segment (12), a Energiespeichersegment (13) und ein Elektrik-/Elektroniksegment (14) aufweist, wobei das Energiespeichersegment (13) wenigstens zwei durchströmbare Kühlelemente (15) und wenigstens einen Zellenblock (16) aufweist, die jeweils aus mehreren elektrisch und mechanisch durch  Energy storage segment (13) and an electrical / electronic segment (14), wherein the energy storage segment (13) at least two flow-through cooling elements (15) and at least one cell block (16), each of a plurality of electrically and mechanically by Kontaktplatten (15) verbundene Batteriezellen (17) gebildet sind, und wobei der Zellenblock (16) zwischen zwei Kühlelementen (15) angeordnet ist, dad u rch geken nzeich net, dass  Contact plates (15) are connected battery cells (17) are formed, and wherein the cell block (16) between two cooling elements (15) is arranged net that net das Energiespeichersegment (13) zwischen dem Fluidanschlusssegment(12) und dem Elektrik-/Elektroniksegment (14) angeordnet ist und ein  the energy storage segment (13) is arranged between the fluid connection segment (12) and the electrical / electronic segment (14) and a Quadervolumen aufweist, das wenigstens dem 0,5-fachen des Gesamtinnenvolumens des Gehäuses (11) entspricht.  Block volume which corresponds to at least 0.5 times the total internal volume of the housing (11). 2. Batteriesystem (10) nach Anspruch 1, 2. Battery system (10) according to claim 1, dad u rch geken nzeich net, dass  dad u rch nets that net das Quadervolumen wenigstens dem 0,55-fachen, insbesondere wenigstens dem 0,6-fachen, insbesondere wenigstens dem 0,62-fachen, insbesondere wenigstens dem 0,65-fachen, des Gesamt-Innenvolumens des Gehäuses (11) entspricht.  the cuboid volume corresponds to at least 0.55 times, in particular at least 0.6 times, in particular at least 0.62 times, in particular at least 0.65 times, the total internal volume of the housing (11). 3. Batteriesystem (10) nach Anspruch 1 oder 2, 3. Battery system (10) according to claim 1 or 2, dad u rch geken nzeich net, dass  dad u rch nets that net die Batteriezellen (17) durch Rundzellen, insbesondere des Typs 18650, gebildet sind.  the battery cells (17) are formed by round cells, in particular of the type 18650. 4. Batteriesystem (10) nach einem der vorhergehenden Ansprüche, 4. Battery system (10) according to one of the preceding claims, dad u rch geken nzeich net, dass  dad u rch nets that net das Gehäuse (11) eine Gesamthöhe von höchstens 200mm, insbesondere höchstens 190mm, insbesondere höchstens 180mm, insbesondere höchstens 170mm, insbesondere höchstens 160mm, aufweist.  the housing (11) has an overall height of at most 200 mm, in particular at most 190 mm, in particular at most 180 mm, in particular at most 170 mm, in particular at most 160 mm. 5. Batteriesystem (10) nach einem der vorhergehenden Ansprüche, 5. Battery system (10) according to one of the preceding claims, dad u rch geken nzeich net, dass  dad u rch nets that net alle lösbaren elektrischen Anschlüsse (21) und/oder alle lösbaren Fluidanschlüsse (20) außerhalb des Gehäuses (11) angeordnet sind. all detachable electrical connections (21) and / or all detachable Fluid connections (20) outside the housing (11) are arranged. 6. Batteriesystem (10) nach einem der vorhergehenden Ansprüche, 6. Battery system (10) according to one of the preceding claims, dad u rch geken nzeich net, dass  dad u rch nets that net seitlich entlang des Zellenblocks (16) eine Elektronikplatine für ein  laterally along the cell block (16) an electronic board for a Batterieüberwachungssystem angeordnet ist, die dem  Battery monitoring system is arranged, which is the Energiespeichersegment (13) zugeordnet ist.  Energy storage segment (13) is assigned. 7. Fahrzeug, insbesondere Hybridfahrzeug, mit einem Batteriesystem (10) nach einem der vorhergehenden Ansprüche. 7. vehicle, in particular hybrid vehicle, with a battery system (10) according to one of the preceding claims.
EP15771890.9A 2014-09-26 2015-09-22 Battery system Withdrawn EP3198666A1 (en)

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DE102014114020.6A DE102014114020A1 (en) 2014-09-26 2014-09-26 battery system
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US20170331165A1 (en) 2017-11-16
KR20170070080A (en) 2017-06-21
JP6798982B2 (en) 2020-12-09
DE102014114020A1 (en) 2016-03-31
CN107078245A (en) 2017-08-18

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