Classifications

• • 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
  • H01M50/10—Primary casings; Jackets or wrappings
  • H01M50/183—Sealing members
  • H01M50/186—Sealing members characterised by the disposition of the sealing members
• • 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
  • H01M10/04—Construction or manufacture in general
  • H01M10/0404—Machines for assembling 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
  • H01M10/04—Construction or manufacture in general
  • H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
• • 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
  • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
  • H01M50/10—Primary casings; Jackets or wrappings
  • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
  • H01M50/117—Inorganic material
  • H01M50/119—Metals
• • 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
  • H01M50/10—Primary casings; Jackets or wrappings
  • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
  • H01M50/121—Organic material
• • 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
  • H01M50/10—Primary casings; Jackets or wrappings
  • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
  • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
• • 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
  • H01M50/10—Primary casings; Jackets or wrappings
  • H01M50/172—Arrangements of electric connectors penetrating the casing
  • H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
  • H01M50/178—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag 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
  • 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
  • H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch 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
  • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
  • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
• • 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
  • H01M50/258—Modular batteries; Casings provided with means for assembling
  • H01M50/26—Assemblies sealed to each other in a non-detachable manner
• • 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
  • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
  • H01M50/291—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
• • 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
  • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
  • H01M50/293—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
• • 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
  • H01M50/543—Terminals
  • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
  • H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
• • 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
  • H01M50/543—Terminals
  • H01M50/552—Terminals characterised by their shape
  • H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
  • H01M50/557—Plate-shaped terminals
• • 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
  • H01M10/60—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
  • H01M2220/00—Batteries for particular applications
  • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
• • 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
  • H01M50/30—Arrangements for facilitating escape of gases
  • H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
  • H01M50/367—Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems
• • 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
  • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
  • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
  • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

• the invention relates to an accumulator having at least one galvanic cell fixed to a support, which comprises a foil sheath which extends in one plane and is designed as a flat body with a narrow side with a narrow side around the flat body has peripheral and in the plane of the flat body extended Rand- Anlagen, which has a sealing foil sealing seam, through which a first connection electrode and a second connection electrode of the galvanic element separated from the first connection electrode is guided out of the film envelope.
• Such accumulators are z. B. used in the form of lithium-ion batteries as electrical energy storage.
• Accumulators according to the invention can be used in stationary and transient systems. As transient systems come z. B. all types of (land) vehicles, ships and aircraft into consideration.
• Lithium-ion batteries usually contain up to 100 or even more galvanic elements which are arranged in a bag-shaped film casing and have an electrolyte in which lithium ions are displaced.
• So-called bag cells or "pouch cells” are formed with the bag-shaped foil sheaths.
• the bag-shaped foil sheaths are produced by welding together flat foils lying close to one another In the case of a vehicle, such bag cells are subject to vibrations and thus to mechanical stresses which can lead to leaks in a bag cell.
• the object of the invention is to provide a rechargeable battery with a long service life in which, with a comparatively low weight, electrical energy can be stored with a high energy density and which is particularly suitable for use as an energy store in a mobile application.
• the peripheral edge part is at least partially embedded in a holding structure of adhesive material covering the sealing seam.
• the invention is based on the idea that adhesives which are suitable for the mechanical joining of assemblies can also fulfill a sealing function.
• One idea of the inventor is therefore to additionally seal the sealing or sealing seams (sealing or sealing beads) which are so decisive for the life of a rechargeable battery of galvanic cells, also referred to as bag cells, by embedding them in beads of adhesive material and thus additionally sealing them be that the gas exchange is avoided at the peripheral edge of a bag cell.
• the beads of adhesive material form a support structure / support structure. This structure is arranged between a base plate and an end plate.
• the use of the adhesive material has the advantage that the adhesive material has a sealing function and a to dampen other vibrations.
• the accumulator is used in a motor vehicle, then vibrations of the vehicle are transmitted to the accumulator. These vibrations can cause leaks in the foil sheaths. In the accumulator according to the invention, these vibrations are damped by means of the holding structure consisting of adhesive material.
• an elastomer is used as the adhesive material.
• An elastomer is a dimensionally stable, but elastically deformable plastic. Elastomers can thus be deformed so that they find their way back to their original, undeformed shape after deformation.
• the elastomer is applied in a (highly) viscous state and subsequently cured, whereby the molding strength increases and elastic deformability is achieved.
• the application viscosity is between 10 2 and 10 10 mPa s (milliPascal seconds), preferably between 10 3 and 10 4 mPa s.
• elastomers are mainly non-Newtonian liquids with a pronounced thixotropy (intrinsic viscosity).
• To apply the sealing seam under shear stress is a reduction in the dynamic viscosity, which facilitates the application, ie the application significantly.
• the elastomer may be a silicone material, in particular a silicone rubber or an epoxy resin.
• the hardness to be achieved after curing depends in particular on the particular application, so that elastomeric plastics with comparatively high hardness can be used.
• the elastomer can also be injected into any shape. First, it is then not elastic, that is, the elastomer does not return to its original shape. Thus, simply by spraying the viscous elastomer, any holding structure of adhesive material can be produced which remains dimensionally stable after curing, drying, cooling and / or reacting.
• the elastomeric material for an accumulator is applied with the laying of beads by means of shaping dies.
• the adhesive material for the support structure in an accumulator according to the invention can also be applied in the so-called airless spray process.
• the highly viscous material is applied in small drops in a sharply defined form.
• Another possibility for applying adhesive material is printing in an inkjet process.
• plastics are suitable as adhesive material for the support structure in an accumulator according to the invention: acrylonitrile-butadiene-acrylate, acrylonitrile-methyl methacrylate, butadiene rubbers, butyl rubbers, ethylene-ethyl acrylate copolymers, ethylene-propylene copolymers, ethylene-propylene-diene Rubbers, ethylene vinyl acetates, fluororubbers, isoprene rubbers, polyisobutylenes, polyurethanes, styrene-butadiene rubbers, styrene-butadiene-styrenes, vinyl chloride / ethylene, and the like.
• natural rubber or silicone rubber is used. They are characterized by good processing and resistance properties. Also suitable are silanes, polyvinyl chloride (PVC plastisols), polyurethane (1K-PUR, 2K-PUR), PMMA plastisols (polymethyl metharrylate) and epoxy resins.
• PVC plastisols polyvinyl chloride
• 1K-PUR, 2K-PUR polyurethane
• PMMA plastisols polymethyl metharrylate
• epoxy resins epoxy resins.
• 2-component systems or moisture-curing systems are particularly suitable Systems, wherein for rapid curing, the relative humidity can be increased artificially and / or temporarily.
• the adhesive material consists of materials which harden quickly on their own, so that no curing process is required before the next stacking operation (insertion of the galvanic cell, application of the next sealing seam bead). Nevertheless, if intermediate hardening is necessary, processes with short-term heat input or processes with modified atmospheric composition (eg increase in relative humidity) would be the preferred choice.
• connection electrodes which protrude from the film envelope
• a penetration of moisture is to prevent.
• this has been taken into account by the connecting seams, in particular in the region of the terminal electrodes have been made particularly large or wide.
• Due to the invention it is now possible to make the sealing seams of the film envelope, which are generally designed as welds, comparatively narrow. This has the advantage that accumulators according to the invention build smaller and thus in the overall view have an increased energy density. The required tightness is ensured by the embedding in the adhesive material of the beads.
• connection electrodes protrude from the film envelope is embedded in the adhesive material.
• the inventive method for producing a rechargeable battery comprises the construction of a battery stack with galvanic cells arranged on one another.
• the battery stack of galvanic cells is made by means of adhesive beads.
• the electroplated cells are additionally sealed in one operation by the beads of adhesive material and bonded to form a stack. This allows sealing and mechanical stabilization of a battery stack in one and the same operation. With the method according to the invention it is therefore possible to produce batteries cost.
• the battery stack in an accumulator a basically arbitrary shape.
• the method for manufacturing a rechargeable battery can be adapted very easily to different forms of battery bags by adapting the structure of the applied adhesive material to the shape of the battery bags, so that in turn the connecting seams of the battery bags used are embedded in adhesive material.
• the low cost results in particular in that no special, adapted to the bag shape tool is required.
• Fig. 1 shows an accumulator containing a plurality of galvanic cells
• Fig. 2 to Fig. 4 the galvanic cells and the structure of the accumulator
• 5 shows a section of the accumulator assembly shown in FIG. 4 along the sectional area A - A;
• FIG. 6 shows an enlarged section of FIG. 5 identified by the reference symbol VI with an electrode region of the galvanic cells of the accumulator;
• FIG. a portion of an accumulator having a holding structure of adhesive material in which cooling channels are formed;
• the accumulator 10 shown in Fig. 1 has a base plate 28 and a cover plate 30, which preferably consists of a lightweight material, such as die-cast aluminum, but which may also consist of a particular thermoset plastic material.
• the base plate 28 and the end plate 30 have a Standardungsbeannoung and have a design that z. B. is designed for the installation of the accumulator in the bottom pan of a motor vehicle.
• the accumulator 10 has an accumulator wall 52 constructed of beads of adhesive material, which surrounds a stack of eight galvanic cells 12, each of which has terminal electrodes 22, 24.
• the terminal electrodes 22, 24 of the galvanic cells 12 pass through the accumulator wall 52.
• the accumulator wall 52 is made by superimposing beads of adhesive material, the z. B. about 10 mm wide and 15 mm high. Such caterpillars of adhesive material found in automotive engineering z. B. for the bonding of windscreens in motor vehicle bodies use.
• the accumulator wall 52 acts for the galvanic Cells 12 as a holding structure. It is thus also possible to form an accumulator according to the invention with more than eight galvanic cells 12. Alternatively, a large battery of several small modules according to the invention is assembled (and possibly housed in a common housing).
• FIGS. 2 to 6 show the galvanic cells 12 and explain the structure of the accumulator 10.
• the galvanic cells 12 of the accumulator 10 are designed as a so-called pouch cell or coffee-bag cell.
• the galvanic cells contain a galvanic element 13 in the form of a lithium-ion battery.
• the galvanic element 13 is an in-plane cuboid flat body consisting of a plurality of thin coated copper or aluminum metal foils, which are each separated by an ion-permeable, electrolyte-saturated separator and form a sandwich structure.
• the sandwich structure with the electrolyte-soaked separator is arranged in a film envelope 16 of a fluid-tight plastic-aluminum composite material.
• the film envelope 16 is assembled from a first film 15 and a second film 17.
• the film envelope 16 has an edge portion 20 which extends in the plane of the galvanic element 13 and has a sealing seam 18. With the sealing seam 18, the film envelope 16 is sealed. By the sealing seam 18, the connection electrodes 22, 24 of the galvanic cell 12 are guided.
• the edge portion 20 of the film sleeve 16 surrounds the galvanic element.
• the galvanic element 13 does not necessarily have to be designed as a cuboid flat body.
• the galvanic element can basically also be designed as a flat body with an arbitrary base area.
• a further bead 48 of adhesive material is then applied to the peripheral edge portion 20 of the galvanic cell 12.
• the edge portion 20 of the galvanic cell 12 is thus embedded in the beads 40, 48 of adhesive material.
• the two sides of the sealing seam 18 are covered with adhesive material.
• the outer contour 21 of the edge part 20 is surrounded by the adhesive material of the beads 40, 48.
• a further galvanic cell 12 is placed on the bead 48 of adhesive material and then with a bead 50 made of adhesive material. bonded to the bead 48 of adhesive material, wherein the edge part of the galvanic cell 12 embedded in the adhesive material, the sealing seam 18 covered on both sides with adhesive material and the outer contour 21 of the edge portion 20 by the adhesive material of the Rau- pen 48, 50 is surrounded ,
• the galvanic cells 12 in the accumulator 10 do not touch each other. But if the distance between the galvanic cells 12 is less than 5 mm here, the galvanic cells 12 are pressed against one another as a function of their state of charge.
• an accumulator 10 according to the invention can also be additionally stabilized by means of tie rods or tension straps connected to the base plate 28 and end plate 30. Moreover, it is possible to glue an accumulator according to the invention in a stabilizing, in particular cup-shaped container.
• FIG. 7 shows a section of an alternatively constructed accumulator 10 ', which has a plurality of fluid channels 34 acting as cooling channels, which are integrated in the accumulator wall 52'.
• the fluid channels 34 are also designed with a bead 40 'made of adhesive material.
• the fluid channels 34 in the accumulator wall 52 ' are closed. This ensures that a cooling medium that has passed through the fluid channels 34 does not come into contact with the galvanic cells 12.
• FIG. 8 shows a section of a further alternatively constructed accumulator 10 "of an accumulator wall 52" made up of beads 40 ", 48", which is formed with fluid channels 34 ', which act as cooling channels.
• the fluid channels 34 ' extend in this case so that the galvanic elements 12 in the accumulator 10 "can be flowed directly by a cooling fluid.”
• the galvanic cells 12 in the accumulator 10 "outgas, the medium released from a galvanic cell 12 can pass through Fluid idkanal 34 'are also discharged.
• both liquid and gaseous medium are suitable.
• a cooling liquid is used as the cooling fluid and is arranged between an unillustrated expansion tank and the fluid channels for cooling a flow restrictor, then it can be achieved that the cooling fluid effects a further damping against vibrations of the galvanic cells 12.
• a multiplicity of small fluid channels can also be provided.
• FIGS. 9 and 10 show a plant 54 for producing the above-described accumulators 10, 10 ', 10 ".
• the plant 54 contains robots 56, 58 and has a turntable 60 which can be moved about an axis of rotation 62 in accordance with the arrow 64. Alternatively, this can be done with any suitable kinematics or positioning technology with freely programmable control.
• the robot 56 is a gripper device, which first positions the base plate 28.
• the robot 58 is a device for handling a tool 59 in the form of a nozzle for application By means of the robot 58, a bead 40, 40 ', 40 "emerges through the nozzle Adhesive material applied to the base plate 28.
• the invention relates to an accumulator 10 having at least one galvanic cell 12, which encloses a foil sheath 16, which extends in one plane and has a narrow side, as a flat body with a narrow side Side and in the flat body circumferential and extended in the plane of a Flachkör- pers edge portion 22 has.
• the edge part 20 has a sealing seam 18 sealing the film casing 16, through which a first connection electrode 22 and a second connection electrode 24 of the galvanic element 13 electrically separated from the first connection electrode 22 are guided out of the film 16.
• the edge part 20 is at least partially embedded in a holding structure 40, 48, 50 of adhesive material covering the sealing seam 18.

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• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Electrochemistry (AREA)
• General Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Inorganic Chemistry (AREA)
• Sealing Battery Cases Or Jackets (AREA)
• Connection Of Batteries Or Terminals (AREA)

Applications Claiming Priority (2)

Publications (1)

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Family Applications (1)

Country Status (2)

Cited By (1)

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Citations (7)

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• 2012
  • 2012-07-23 DE DE201210212887 patent/DE102012212887A1/de not_active Withdrawn
• 2013
  • 2013-06-28 WO PCT/EP2013/063645 patent/WO2014016078A1/fr not_active Ceased

Patent Citations (7)

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