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WO2010028692A1 - Système de refroidissement par liquide, module de stockage de batteries et procédé associé - Google Patents

Système de refroidissement par liquide, module de stockage de batteries et procédé associé Download PDF

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Publication number
WO2010028692A1
WO2010028692A1 PCT/EP2008/062163 EP2008062163W WO2010028692A1 WO 2010028692 A1 WO2010028692 A1 WO 2010028692A1 EP 2008062163 W EP2008062163 W EP 2008062163W WO 2010028692 A1 WO2010028692 A1 WO 2010028692A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
fluid
battery storage
fluid cooling
cooling
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.)
Ceased
Application number
PCT/EP2008/062163
Other languages
English (en)
Inventor
Gerhard Brosig
Willy Hermansson
Falah Hosini
Bertil Nygren
Gunnar Russberg
Jan Svensson
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.)
ABB Research Ltd Switzerland
Original Assignee
ABB Research Ltd Switzerland
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 ABB Research Ltd Switzerland filed Critical ABB Research Ltd Switzerland
Priority to PCT/EP2008/062163 priority Critical patent/WO2010028692A1/fr
Publication of WO2010028692A1 publication Critical patent/WO2010028692A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/42—Grouping of primary cells into batteries
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • 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
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • 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
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • 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
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • 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
    • H01M10/61—Types of temperature control
    • H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
    • 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
    • H01M10/63—Control systems
    • 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
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • 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
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/667—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an electronic component, e.g. a CPU, an inverter or a capacitor
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/36—Temperature of vehicle components or parts
    • 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
    • B60L2260/00—Operating Modes
    • B60L2260/40—Control modes
    • B60L2260/50—Control modes by future state prediction
    • B60L2260/56—Temperature prediction, e.g. for pre-cooling
    • 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
    • H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
    • 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
    • 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 generally to the field of power transmission networks, and in particular to cooling of battery energy storages for use in such networks.
  • a power transmission network sometimes utilizes backup power systems, for example in order to compensate for varying power generation or varying load, or in case of loss of power. This can for example be the case in wind- or solar power generation.
  • the backup power system provides power during fluctuations of the generated power and even during power outages .
  • An example of such backup power system comprises a bank of batteries able to store enough energy to even out the power fluctuations.
  • Such battery banks may require numerous battery cells in series and/or parallel to obtain sufficiently high voltage levels and high power and energy.
  • the required voltage levels may be in the order of several tens of kVs and power capability of up to several tens or even hundreds of MWs.
  • the battery bank comprises several thousands battery cells.
  • FIG. 1 illustrates such battery storage 1 suitable for use in a power transmission network.
  • the battery storage 1 comprises one or more battery strings 2, the battery strings in turn comprising a number of battery units 3.
  • Each battery unit 3 comprises a number of battery modules 5, which in turn comprise series- and/or parallel-connected battery cells 4.
  • the battery storage 1 may comprise several parallel-connected battery strings 2.
  • the battery storage 1 is connected to a load, for example a converter system 7 by means of positive and negative busbars 6a, 6b in a conventional manner. Further, circuit breakers 8a, 8b are also conventionally included.
  • Battery modules comprising Li-ion battery cells are built in a very compact manner, the battery cells being packed tightly together. During discharge and also in fast charging mode the internal resistance in the battery cells will cause a power loss inside the battery resulting in a temperature increase.
  • the maximum operating temperature will be in the order of 55 - 60 0 C. If the temperature reaches this level, the battery operation has to be interrupted or the power be reduced; in either case, this will limit the battery performance and set a limit on how much power or energy that can be delivered from/to the batteries.
  • a battery backup of a power transmission network is normally just self-cooled, i.e. cooled by natural convective air-cooling. An essential amount of time has to lapse before the batteries of the battery backup have cooled enough to be operable again after a discharge/charge operation.
  • a fluid cooling arrangement for a battery storage of a high-voltage application, such as a converter system of a power transmission network.
  • the fluid cooling arrangement comprises fluid cooling means arranged to circulate cooling fluid so as to lead away heat dissipated by the battery storage arranged in the power transmission network.
  • the fluid cooling arrangement comprises cooling means of a converter system, and the battery storage is cooled by the cooling means of the converter system.
  • An existing fluid cooling means of the converter system is thereby utilized for cooling also the battery storage. A most cost-efficient solution is thus provided, exploiting a cooling system already in place.
  • the fluid cooling arrangement comprises a fluid pumping device and the fluid cooling means comprises pipes arranged close to the battery storage and connected to the fluid pumping device.
  • the fluid cooling arrangement further comprises, in an embodiment, a cooler to which the fluid pumping device is connected by means of pipes.
  • Conventional cooling means can thus be used in the fluid cooling arrangement of the invention.
  • the fluid cooling arrangement is arranged to cool a battery storage that comprises one or more battery strings, in turn comprising one or more battery units having one or more battery modules.
  • the heat is dissipated by battery cells of the battery modules and the fluid cooling means of the arrangement can be placed close to the battery string, placed within the battery stings close to the battery modules or placed within the battery modules, close to the battery cells.
  • An arrangement thus provides a flexible cooling having different cooling capabilities, and the layout of the fluid cooling means may be adapted in accordance with the needs of a particular battery storage.
  • the invention also comprises a battery storage comprising the above fluid cooling system and also such method, whereby advantages corresponding to the above are achieved.
  • Figure 1 illustrates a battery storage suitable for use in high-voltage applications.
  • Figure 2 illustrates an embodiment of a fluid cooling arrangement for a battery storage in accordance with the invention .
  • Figure 3 illustrates a battery string cooled by the fluid cooling arrangement in accordance with the invention.
  • Figure 4 illustrates a battery module cooled by the fluid cooling arrangement in accordance with the invention.
  • Figure 5 illustrates a second embodiment of a fluid cooling arrangement for a battery storage in accordance with the present invention.
  • Figure 6 illustrates a flow chart over steps included in a method in accordance with the invention.
  • FIG. 1 Detailed description of embodiments Figure 1 has already been discussed in the background section, and the same reference numerals are used throughout the figures for denoting same or corresponding parts.
  • the battery storage 1 described in connection with figure 1 is an example of a battery storage, the performance of which is increased by means of the present invention.
  • the individual battery cell voltage is nominally approximately 3,4 V and one battery module may for example comprise 14 such battery cells in series to form a battery module with a nominal voltage of 48 V.
  • Several such battery modules can in turn be connected in series to form a battery unit, e.g. of nominal voltage of 624 V consisting of 13 battery modules in series .
  • a battery bank requiring 10 kV would then need the forming of a battery string of 16 such battery units in series, and as another example, 40 kV would require 64 battery units in series. In a large battery energy storage system several such battery strings will also be connected in parallel. Other types of batteries have similar designs.
  • the battery storage 1 may reach high temperature levels during operation, and in accordance with the invention forced cooling of the battery storage 1 is provided.
  • the invention provides a fluid cooling of the battery storage 1.
  • FIG. 2 illustrates an embodiment of a fluid cooling arrangement 10 in accordance with the invention.
  • the fluid cooling arrangement 10 is arranged to cool a battery storage 1, as described above, by forced cooling.
  • the fluid cooling arrangement 10 comprises a closed fluid- cooling system comprising a fluid loop that circulates fluid.
  • a fluid suitable for use in the high voltage application, although other fluids could be used.
  • De-ionized water having low electrical conductivity is preferably used.
  • the battery storage 1 is connected to a load, in the following exemplified by a converter system 7.
  • the converter system 7 converts the DC voltage U dc , provided by the battery storage 1, into a multi-phase, e.g. a three-phase, set of output voltages to a power network.
  • the converter system 7 is in the following exemplified by an IGBT-based (insulated-gate bipolar transistor) converter system.
  • the IGBT 's are repeatedly switched on and off during operation and generate a substantial amount of heat, which must be dissipated. Without cooling the dissipated heat, the converter system 7 would be permanently damaged. Therefore the IGBT' s of the converter system 7 are cooled, conventionally by means of circulating de-ionized water.
  • the cooling system of the IGBT' s of the converter system is utilized for cooling the battery storage 1.
  • the fluid cooling arrangement 10 is in this embodiment connected to the cooling means of the converter system, which will be described in the following.
  • the IGBT' s cooling system comprises fluid distribution pipes 34, in the following simply pipes, providing cooled water from a cooler 11.
  • the pipes are shaped to fulfil certain requirements, such as able to withstand high temperatures and being electrically isolated in order to be usable in high voltage applications.
  • the cooler 11 may be any suitable cooler for cooling the water, for example a heat exchanger.
  • the cooled water from the cooler 11 is led by the pipes 34 to a fluid pumping device 13, wherein the water is de-ionized by a deionizer, for example a de-ionization filter, and pumped by means of suitable pumps via pipes 12 through pipes (not shown) arranged within the converter system 7 in such a way as to cool the IGBT valves.
  • a deionizer for example a de-ionization filter
  • the water having cooled the converter system 7 is returned through pipes 14, through the fluid pumping device 13 and through pipes 35 to the cooler 11, wherein the heated water is cooled and re-circulated into the converter system 7.
  • the fluid cooling arrangement 10 comprises pipes 15, 16, which in this embodiment are connected to the fluid pumping device 13 and arranged to cool the battery storage 1. Cooled water is led from the fluid pumping device 13 and through pipes 15, and circulated so as to cool the battery storage 1. The heated water is thereafter returned to the fluid pumping device 13 through pipes 16 and then from the fluid pumping device 13 to the cooler 11.
  • the fluid cooling arrangement 10 further comprises a controller 17 performing several tasks. These tasks include, for example, to monitor the temperature of the cooling water and to effectuate flow of cooling water when needed, i.e. to activate the fluid cooling arrangement 10, to control the converter system 7 including switching on/switching off the IGBT valves and fault detection, and to perform surveillance and control of the battery storage 1, including discharging/charging of the battery storage 1 and monitoring battery storage parameters, e.g. the battery temperature.
  • the fluid pumping device 13, the converter system 7 and the battery storage 1 are controlled by the controller 17.
  • the communication 18 between the controller 17 and the fluid pumping device 13 is indicated by a double-ended arrow.
  • the converter system control is not of importance for the invention and will not be described further.
  • a communication 19 between the battery storage 1 and the controller 17 is indicated by a double-ended arrow and a communication 20 between the converter system 7 and the controller 17 is indicated by a double-ended arrow.
  • the controller 17 thus controls the cooling of the converter system 7 as well as the cooling of the battery storage 1.
  • the cooling of the converter system 7 can be made in conventional manner.
  • the cooling control of the battery storage 1 will be described more in detail in the following.
  • the controller 17 controls the battery storage 1 and measurements of different battery parameters, for example battery temperature, state-of-charge, current and voltage of the battery storage 1, is obtained by the controller 17.
  • Commands to internal battery management systems, arranged in the battery storage 1, are also effectuated by the controller 17, e.g. battery cell balancing control.
  • battery management systems may for example be arranged on a battery unit 3 basis or on a battery string 1 basis.
  • the battery parameters may be measured by these battery management systems and provided to the controller 17.
  • the control of the cooling by the cooling control communication 18 comprises receiving for example values of the above parameters. Based on the received parameter values a need for cooling of the battery storage 1 is determined. If for example the battery temperature exceeds a certain threshold value, T battery, then the controller 17 commands the fluid pumping device 13 to pump cooling water through the pipe 15. The determination regarding when there is a need for cooling of the battery storage 1 can be made based on other criteria as well, for example based on measured current and/or voltages .
  • Another example on how to determine a cooling need is given in the following: if an order is sent from a central controller, to the controller 17 requesting a large power discharge/charge, a power loss and following temperature increase can be foreseen.
  • the controller 17 can then start the cooling in advance before the threshold value, T_battery, or other threshold values are reached.
  • T_battery threshold value
  • Such prediction can be made using a theoretical battery model included in the controller 17.
  • the battery model may take into account parameters such as expected heating of the battery cells for a desired load, status of battery cells, thermal resistance and ambient temperature etc.
  • the battery storage 1 can thereby be cooled more efficiently in order to utilize the battery storage 1 even better.
  • the cooling is already active when the forthcoming load is demanded.
  • Figure 3 illustrates a battery string 2 of the battery storage 1 that is cooled by the battery cooling arrangement 10 in accordance with the invention.
  • an example of how to arrange fluid cooling means is illustrated more in detail. It is noted that the figure 3 is not shown to scale.
  • the fluid cooling arrangement 10 should be designed so as to provide a uniform temperature distribution over the battery units 3 and/or the battery modules 5.
  • the pipes of the fluid cooling arrangement can be arranged in any suitable manner to achieve such uniform temperature distribution.
  • opening 22, 23 may be arranged in a battery cabinet 21 within which the battery string 2 and its battery units 3 are housed.
  • the pipes 15, 16 are then led through the openings 22, 23. Cooling water flows in the pipe 15, cools the battery unit 3 and the battery modules 5 and flows further in the pipe 16 and back to the fluid pumping device 13.
  • Figure 4 illustrates a single battery unit 3 and one example on how to arrange the pipes 15, 16 so as to cool the battery units 3 of the battery string 2.
  • the pipes can be wound around the chassis 24 of the battery unit 3.
  • Other arrangement are conceivable, for example arranging the pipes through the housing of the battery unit 3 and thus closer to the battery modules 5 and the battery cells 4 that are dissipating the heat to be lead away.
  • the heat is dissipated by battery cells of the battery modules and the fluid cooling means of the fluid cooling arrangement can be placed close to the battery string, or close to the battery modules or battery cells.
  • the controller 17 may order separate cooling of only specific battery modules 5 or specific battery units 3, for example if there is an uneven temperature distribution, e.g. due to poor or failing charge distribution among the battery modules 5.
  • valves may be arranged along the pipes 15 for example at each inlet to each respective battery unit 3. If a specific battery unit 3 is heated, only the valve at this battery unit 3 is opened.
  • the battery storage 1 is water-cooled by a separate water-cooling system, i.e. a water-cooling system that is not connected to the water-cooling system of the converter system 7.
  • a cooling system similar to the cooling system of the converter system 7 may however be used. That is, the cooling water may be circulated in a closed loop system comprising a fluid pumping device 27 and cooler 25 and connecting pipes 26, 28 for transporting heated water from the fluid pumping device 27 to the cooler 25 and cooled water from the cooler 25 to the fluid pumping device 27.
  • the cooling system of this embodiment further comprises a controller 29 performing tasks similar to the controller 17 of the first embodiment. Obviously, the controller 29 does not need to comprise means for controlling a converter system 7.
  • cooling fluid used as an example of a cooling fluid, but other cooling fluids or cooling medium could alternatively be used, for example a mixture of de- ionized water and glycol.
  • FIG. 6 illustrates a flow chart over steps included in a method 30 in accordance with the invention.
  • the method 30 for cooling the battery storage 1 comprises the first step 31 of receiving battery storage 1 parameters or other system related information.
  • the battery storage 1 parameters may for example comprise battery module 5 temperature, battery storage 1 current and/or voltage, state-of-charge of the battery modules 5.
  • An example of other system information is a known future high load requiring an increased battery charging/discharging.
  • step 32 the need for cooling of the battery storage 1 is determined based on the received information, for example based on the battery storage 1 parameters.
  • the fluid cooling arrangement is activated if a need for cooling has been determined in step 32.
  • the controller 17, 29 transmits commands to the fluid pumping device 27, 13 to start pumping cooling water through the pipes 15, 16 for cooling the battery storage 1.
  • the step of determining a need for cooling can be based on information about forthcoming load requirements, and such information about forthcoming load requirements can then be determined by means of the theoretical battery model described earlier.
  • the battery model may take into account parameters such as expected heating of the battery cells for a desired load, status of battery cells, thermal resistance and ambient temperature etc.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Energy (AREA)
  • Mechanical Engineering (AREA)
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  • Automation & Control Theory (AREA)
  • Secondary Cells (AREA)

Abstract

L’invention concerne un système (10) de refroidissement par liquide destiné à refroidir un module (1) de stockage de batteries d’un réseau de transport d’énergie. L’invention concerne également un module (1) de stockage de batteries, comprenant des moyens (15, 16) permettant l’utilisation du système (10) de refroidissement par liquide, ainsi qu’un procédé (30) de refroidissement du module (1) de stockage de batteries.
PCT/EP2008/062163 2008-09-12 2008-09-12 Système de refroidissement par liquide, module de stockage de batteries et procédé associé Ceased WO2010028692A1 (fr)

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WO2012038887A2 (fr) 2010-09-23 2012-03-29 He3Da S.R.O. Accumulateur au lithium
JP2013016351A (ja) * 2011-07-04 2013-01-24 Hitachi Vehicle Energy Ltd 電池モジュールおよび電源装置
JP2013243079A (ja) * 2012-05-22 2013-12-05 Hitachi Vehicle Energy Ltd 蓄電モジュール
EP2738033A1 (fr) * 2012-11-30 2014-06-04 MAGNA STEYR Battery Systems GmbH & Co OG Dispositif de sécurité pour un véhicule et procédé de commande correspondant
US9437855B2 (en) 2008-09-19 2016-09-06 He3Da S.R.O. Lithium accumulator and the method of producing thereof
FR3046113A1 (fr) * 2015-12-23 2017-06-30 Alstom Transp Tech Vehicule comportant un moteur electrique et un systeme d'alimentation electrique
US10374272B1 (en) 2015-11-04 2019-08-06 Boston Dynamics, Inc. Battery thermal management system
JP2020140955A (ja) * 2019-02-26 2020-09-03 株式会社デンソー 冷却システム
WO2020175325A1 (fr) * 2019-02-26 2020-09-03 株式会社デンソー Système de refroidissement
WO2020253693A1 (fr) * 2019-06-21 2020-12-24 深圳市英维克科技股份有限公司 Armoire et système de régulation de la température de refroidissement de liquide
CN112968239A (zh) * 2021-03-25 2021-06-15 北京海博思创科技股份有限公司 储能电池柜
EP4046859A1 (fr) * 2021-02-19 2022-08-24 Transportation IP Holdings, LLC Système de gestion de batterie

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JP2006139963A (ja) * 2004-11-10 2006-06-01 Toyota Motor Corp バッテリ冷却装置
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JP2006139963A (ja) * 2004-11-10 2006-06-01 Toyota Motor Corp バッテリ冷却装置
WO2006124663A2 (fr) * 2005-05-12 2006-11-23 Tesla Motors, Inc. Procede et appareil de montage, de refroidissement, de connexion et de protection de batteries
WO2007102756A1 (fr) * 2006-03-06 2007-09-13 Abb Research Ltd Regulateur de temperature

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9437855B2 (en) 2008-09-19 2016-09-06 He3Da S.R.O. Lithium accumulator and the method of producing thereof
US10581083B2 (en) 2008-09-19 2020-03-03 He3Da S.R.O. Lithium accumulator and the method of producing thereof
WO2012038887A2 (fr) 2010-09-23 2012-03-29 He3Da S.R.O. Accumulateur au lithium
US9203123B2 (en) 2010-09-23 2015-12-01 He3Da S.R.O. Lithium accumulator
JP2013016351A (ja) * 2011-07-04 2013-01-24 Hitachi Vehicle Energy Ltd 電池モジュールおよび電源装置
US9159973B2 (en) 2011-07-04 2015-10-13 Hitachi Automotive System, Ltd. Battery module and power supply apparatus
JP2013243079A (ja) * 2012-05-22 2013-12-05 Hitachi Vehicle Energy Ltd 蓄電モジュール
EP2738033A1 (fr) * 2012-11-30 2014-06-04 MAGNA STEYR Battery Systems GmbH & Co OG Dispositif de sécurité pour un véhicule et procédé de commande correspondant
CN103847505A (zh) * 2012-11-30 2014-06-11 麦格纳斯太尔电池系统两合公司 用于交通工具的安全装置及用于控制其的方法
US9634362B2 (en) 2012-11-30 2017-04-25 Samsung Sdi Co., Ltd. Safety device for a vehicle and method for controlling the same
US10374272B1 (en) 2015-11-04 2019-08-06 Boston Dynamics, Inc. Battery thermal management system
US11121421B2 (en) 2015-11-04 2021-09-14 Boston Dynamics, Inc. Battery thermal management system
FR3046113A1 (fr) * 2015-12-23 2017-06-30 Alstom Transp Tech Vehicule comportant un moteur electrique et un systeme d'alimentation electrique
JP2020140955A (ja) * 2019-02-26 2020-09-03 株式会社デンソー 冷却システム
WO2020175325A1 (fr) * 2019-02-26 2020-09-03 株式会社デンソー Système de refroidissement
CN113474936A (zh) * 2019-02-26 2021-10-01 株式会社电装 冷却系统
JP7380248B2 (ja) 2019-02-26 2023-11-15 株式会社デンソー 冷却システム
WO2020253693A1 (fr) * 2019-06-21 2020-12-24 深圳市英维克科技股份有限公司 Armoire et système de régulation de la température de refroidissement de liquide
EP4046859A1 (fr) * 2021-02-19 2022-08-24 Transportation IP Holdings, LLC Système de gestion de batterie
US11909019B2 (en) 2021-02-19 2024-02-20 Transportation Ip Holdings, Llc Battery management system
CN112968239A (zh) * 2021-03-25 2021-06-15 北京海博思创科技股份有限公司 储能电池柜

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