WO2013107552A1 - Module d'énergie destiné à un accumulateur d'énergie électrique pour un véhicule et procédé de fabrication du module d'énergie - Google Patents

Module d'énergie destiné à un accumulateur d'énergie électrique pour un véhicule et procédé de fabrication du module d'énergie Download PDF

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Publication number
WO2013107552A1
WO2013107552A1 PCT/EP2012/074072 EP2012074072W WO2013107552A1 WO 2013107552 A1 WO2013107552 A1 WO 2013107552A1 EP 2012074072 W EP2012074072 W EP 2012074072W WO 2013107552 A1 WO2013107552 A1 WO 2013107552A1
Authority
WO
WIPO (PCT)
Prior art keywords
energy
energy storage
contact panel
module
pole
Prior art date
Application number
PCT/EP2012/074072
Other languages
German (de)
English (en)
Inventor
Bernd Dittmer
Alexander Schmidt
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2013107552A1 publication Critical patent/WO2013107552A1/fr

Links

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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/514—Methods for interconnecting adjacent batteries or cells
    • H01M50/516—Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
    • 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
    • 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
    • H01M50/505—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising a single busbar
    • 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
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • 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

Definitions

  • Energy module for an electrical energy storage device for a vehicle and method for producing the energy module
  • the present invention relates to a power module for an electrical energy storage device for a vehicle and to a corresponding method for producing a power module.
  • the present invention provides a power module for an electrical energy store for a vehicle and a corresponding method for producing a power module according to the main claims. presented.
  • Advantageous embodiments emerge from the respective subclaims and the following description.
  • the approach presented here can be provided in a low-impedance parallel connection of several energy storage cells to form an energy module by means of a contact panel.
  • the contact panel establishes the electrical contact with the individual energy storage cells.
  • the flat design of the contact panel ensures low current densities even at high loads, reduces the line resistance and its inductance. In addition, the heat loss through the flat shape favored can be issued easier.
  • the present invention provides a power module for an electrical energy store for a vehicle, the power module comprising: a first energy storage cell and a second energy storage cell each having a first pole of a first polarity and a second pole of a second polarity, the second polarity opposite to the first polarity; and a planar, planar contact panel, which is at contact points with the first pole of the first energy storage cell and the first pole of the second energy storage cell (parallel connection) or at the contact points with the first pole of the first energy storage cell and the second pole of the second energy storage cell (series connection). connected is.
  • the vehicle may be a motor vehicle, for example a passenger car, a bicycle, a scooter, a lorry or another commercial vehicle.
  • An energy store can be understood to mean a device for storing electrical energy for the purpose of later use.
  • an energy store can continue to be understood as meaning an energy store consisting of a plurality of energy modules.
  • the energy modules can be interconnected in parallel and simultaneously or alternatively in series with an energy store.
  • An energy module can consist of a plurality of energy storage cells, wherein the energy storage cells can be connected in parallel.
  • Under a Contact panel can be understood a planar Verschaltungsschiene that can carry power.
  • a contact panel may also be referred to as a bus bar or by the term "bus bar.”
  • a contact panel may be understood to mean an array of conductors that serve as a central distributor of electrical energy
  • a contact point may be understood to mean the area at which a pole of an energy storage cell is in contact with the contact panel
  • the contact panel may have recesses within a tolerance range around the pad.
  • a tolerance range around the contact point can be understood to mean the range which lies in the projection surface of the energy storage cell on the contact panel or, alternatively, the tolerance range can be understood as an area which is larger (for example slightly) than the projection area of a contact area Energy storage cell on the contact panel but not in the tolerance range of a neighboring energy storage cell protrudes.
  • Such an embodiment is advantageous because air can flow through the recesses in order to cool the energy storage cells. Tolerances in the height of several energy storage cells can preferably be compensated by recesses. Furthermore, fuse elements such as fuses can be inserted in the recesses.
  • the contact panel may have at least one lip, wherein the lip is designed to divert an air flow for cooling the energy storage cell through the contact panel.
  • a turbulent flow can be generated, with which the amount of heat removed can increase.
  • at least one air plate for flow guidance can be arranged on the contact panel and / or in a cell gap and / or on a cell lateral surface. As a result, a turbulent flow can be generated and excess heat energy can be dissipated by the energy storage cells.
  • the contact panel may have at least one compensation element in the region of the contact points in order to compensate for a tolerance in a height of the energy storage cell.
  • a tolerance compensation and spring elements or other compensation elements are structurally integrated.
  • the contact panel may be connected to the first energy storage cell and / or the second energy storage cell by means of spot welds.
  • Contact panel can be done with the spot welding process.
  • various methods can be used, such as spot welding, cramping, soldering or screwing.
  • the fixation of an energy storage cell to the contact panel by means of a welding point combines a cost-effective production method with a fixed connection.
  • a weld point can transfer the excess heat energy very well from the energy storage cell to the contact panel in addition to electrical energy.
  • Energy storage cell and the second energy storage cell may be arranged in a connecting line to each other and a third energy storage cell may be arranged outside the connecting line. In this way, very compact energy modules can arise.
  • the third energy storage cell and a fourth energy storage cell can be arranged in a second connection line and the connection line and the second connection line can be arranged parallel to one another.
  • a cell holder may be provided, wherein the cell holder is adapted to make a mechanical connection by mating with an adjacent power module. This is favorable, as a mechanical construction of a cell holder can be integrated in an energy module, whereby no additional components are required, and by pure mating also the mechanical connection between two energy modules can be produced.
  • At least one side edge of the contact panel can be bent out of the planar plane of the contact panel, in particular perpendicular to the plane of the contact panel, in order to be contactable via a planar, electrical connection to a contact panel to be arranged at least one adjacent power module. This allows a cost-effective contacting of a plurality of energy modules with each other.
  • an energy store may be provided with a first energy module and a second energy module, wherein an edge side of the contact panel of the first energy module has an electrical connection with an edge side of a contact panel of the second energy module, wherein the contact
  • an energy store can be provided with a first energy module and a second energy module, wherein an edge side of the contact panel of the first energy module having an edge side of a contact panel of the second power module has an electrical connection, wherein the contact panel of the first energy module with the first pole of the energy storage cells is connected and the contact panel of the second power module is connected to the second pole of the energy storage cells.
  • Energy storage to be provided with three energy modules, with a peripheral te the contact panel of the first power module is connected to an edge side of a contact panel of the second power module and another edge side of the contact panel of the first power module is connected to an edge side of a contact panel of the third power module, wherein the contact panel of the first power module and the contact panel of the second power module are connected to the first pole of the energy storage cells and the contact panel of the third power module is connected to the second pole of the energy storage cells.
  • the present invention provides a method for producing a power module, comprising the steps of: providing first and second energy storage cells each having a first pole of a first polarity and a second pole of a second polarity, the second polarity being opposite to the first polarity; Step of providing at least one flat, planar contact panel is provided;
  • FIG. 1 shows a power module in a plan view of an embodiment of the present invention.
  • FIG. 2 shows an energy store with a first energy module and a second energy module;
  • FIG. 3 shows a further energy store with a first energy module and a second energy module
  • FIG. 4 shows a further energy store with electrical contacting and mechanical connection to a first energy module and a second energy module
  • Fig. 6 is an energy storage consisting of two energy modules, wherein the contact panels have partially punched sheet metal lips to direct cooling air into the space between the cells.
  • Fig. 1 shows a power module in a plan view of an embodiment of the present invention.
  • 10 energy storage cells 120 (of which four individual energy storage cells 120a, 120b, 120c, 120d have been designated in detail in FIG. 1 for a better understanding of the following description) are arranged under a contact panel 1 in three parallel rows ,
  • the contact panel 1 10 is made of copper sheet in this embodiment.
  • the edges of the contact panel 1 10 are not exactly worked out in Fig. 1, this is to symbolize that this is only a section of a larger contact panel 1 10.
  • the three rows of energy storage cells containing the energy storage cells 120a, 120b, 120c, 120d run from top to bottom, in the left in Fig.
  • the energy storage cells 120c, 120d in the middle row are offset from the other two rows.
  • the energy storage cells for example the energy storage cells 120a, 120b, 120c, 120d, are cylindrical bodies. In a further embodiment, other shapes such as cuboid energy storage cells are conceivable.
  • the contact panel 110 has cutouts in the region of the energy storage cells 120.
  • the recesses have a circular basic shape, wherein eight webs extend from the outside to the center of the recess and connect there to a flag 130. Due to the webs eight circular sectors remain open.
  • the recesses may also have any other geometric shape, such as angular.
  • the webs for cell contacting can also be Z-shaped and thus also compensate for the length compensation of the cells in the vertical direction.
  • the flags 130 may be implemented as fuses or as separate compensating elements.
  • the contact panel 1 10 may be formed as a sheet without recesses in the region of the cell poles.
  • the energy storage cells 120a, 120b, 120c, 120d are arranged in rows as described.
  • a virtual connection line 140a, 140b connect the energy storage cells with each other.
  • the two connecting lines 140a, 140b are substantially parallel to one another.
  • On a first connecting line a first energy storage cell 120a, a second energy storage cell 120b and a further energy storage cell are arranged in a row.
  • a third energy storage cell 120c and a fourth energy storage cell 120d extend, arranged on a second connection line 140b, in a row in FIG Substantially parallel to the energy storage cells 120a, 120b, which are arranged on the connecting line 140a.
  • FIG. 2 shows an energy store 200 with a first energy module 202 and a second energy module 204 in a side view.
  • the two energy modules 202, 204 each consist of two energy storage cells 120a, 120b.
  • a contact panel 110 extends over the negative poles 252 of the energy storage cells 120a, 120b.
  • Another contact panel 1 10 extends over the positive poles 254.
  • the main direction of extension of the energy storage cells 120a, 120b is from top to bottom, that is, the poles 252, 254 are arranged above and below.
  • the power module 202 has a negative pole 252 on its lower side and a positive pole 254 on its upper side.
  • the power module 204 has a positive pole 254 on its lower side and a negative pole 252 on its upper side.
  • a contact panel 1 10 in the form of a current-carrying busbar.
  • the two contact panels 1 10 on the lower side are spaced from each other.
  • the contact panels 1 10 on the upper side of the two power modules 202, 204 have on the side facing each other to a bend which is formed such that in Fig. 2, a vertical contact surface 240 between the contact panel 1 10 of the first power module to 202 and the contact panel 1 10 of the second power module 204 is formed.
  • the vertical contact surface 240 establishes a surface connection between the two energy modules 202, 204.
  • the busbar 1 10 adjacent modules 202, 204 can also be connected flat over a fold 240.
  • the spot welding method, crimping, soldering or screwing is applicable.
  • the individual cells 120a, 120b are proposed via a panel 110 made of copper, designed as in FIG. 1, to form individual modules 202,
  • the planar design 240 of the cell contacting reduces inductance and line resistance within the module 202, 204 and in the interconnection of the individual modules to the battery pack 200 and at the same time improves the heat removal from the cells 120a, 120b. Due to the proposed solution, a complicated liquid cooling of the cells may be necessary 120a, 120b omitted. Furthermore, the number of required components and the manufacturing cost is reduced.
  • the invention is based on the low-resistance parallel connection of a plurality of cells 120a, 120b to a module 100 by means of a single (copper) contact
  • busbar 1 10 ensures low current densities even at high loads, reduces the line resistance and its inductance.
  • the arrangement ensures a favorable dissipation of the heat loss via the defined contacts at the cell poles 252, 254 to the busbar 110 (panel).
  • the advantages of the presented invention are a reduction of line resistance, inductance, current density and power dissipation of the overall battery pack 100. Ideally, a reduction of the assembly effort can be achieved by a smaller number of components.
  • a further advantage of the present invention is improved cooling of the cells 120a, 120b via the direct contact cell pole busbar and the busbar 110 as cooling surface and the conduction of cooling air through the cell gap by means of sheet metal lips.
  • Another advantage is facilitated maintainability of the energy storage by releasable electrical and mechanical connections between the modules and the elimination of fluid conditioning of the battery by heat dissipation via Kontak- tion of the energy storage cells with the planar busbar.
  • the contacting of individual battery cells 120a, 120b of a module by means of a single contact sheet 1 10 takes place.
  • the busbar 1 10 may be solid, or have recesses in the region of the contact points 130.
  • Tolerances in the overall height of a plurality of cells 120a, 120b can preferably be compensated in the embodiment with recesses. These can make the height compensation by depressions or geometric shapes.
  • spring elements / compensation elements are structurally integrated, z. B. meandering.
  • the connection of cells 120a, 120b and contact plate 1 10 is preferably carried out by the spot welding method.
  • fuse elements eg fuses
  • the electrical connection of several modules is also flat over the busbar 1 10.
  • an edge portion 240 of the bus bar 1 10 is bent upward and thus allows a surface contact with the successor module 202, 204.
  • various methods are available, for. As spot welding, crimping, soldering or screws.
  • FIG 3 shows an energy store 200 with a first energy module 202 and a second energy module 204 in a side view.
  • the two energy modules 202, 204 each consist of two energy storage cells 120a, 120b.
  • Contact panel 1 10 extends over the negative poles 252 of the energy storage cells 120a, 120b. Another contact panel 1 10 extends over the positive poles 254. In Fig. 3, the main extension direction of the energy storage cells 120a, 120b from top to bottom, that is, the poles 252, 254 are arranged above and below.
  • the power module 202 has a negative pole on its lower side
  • the power module 204 has a positive pole 254 on its lower side and a negative pole 252 on its upper side. Via the poles 252, 254 of the same polarity of an energy module 202, 204 extends a contact panel 1 10 in the form of a current-carrying busbar.
  • the two contact panels 1 10 on the lower side are spaced from each other.
  • the contact panels 1 10 on the upper side of the two power modules 202, 204 have on the side facing each other on a plug contact, which is designed such that in the embodiment shown in FIG. 3, a connector 340 between the contact panel 1 10 of the first power module to 202 and the contact panel 1 10 of the second power module 204 is formed.
  • the connector 340 establishes an electrical connection between the two power modules 202, 204.
  • the two power modules 202, 204 are connected in series.
  • the busbars 1 10 adjacent modules 202, 204 are via area contacts
  • FIG. 4 shows an energy store 200 with a mechanical connection 460 of two energy modules 202, 204.
  • FIG. 4 is constructed quasi analogously to FIG. 4 shows an energy store 200 with a first energy module 202 and a second energy module 204 in a side view.
  • the two energy musters
  • the modules 202, 204 each consist of two energy storage cells 120a, 120b.
  • a contact panel 110 extends over the negative poles 252 of the energy storage cells 120a, 120b.
  • Another contact panel 1 10 extends over the positive poles 254.
  • the main extension direction of the energy storage cells 120a, 120b is from top to bottom, that is, the poles 252, 254 are arranged above and below.
  • the power module 202 has a negative pole 252 on its lower side and a positive pole 254 on its upper side.
  • the power module 204 has a positive pole 254 on its lower side and a negative pole 252 on its upper side. Via the poles 252, 254 of the same polarity of an energy module 202, 204 extends a contact panel 1 10 in the form of a current-carrying busbar.
  • the two contact panels 1 10 on the lower side are spaced from each other.
  • the contact panels 1 10 on the upper side of the two power modules 202, 204 have on the side facing each other on a plug contact, which is designed such that in the embodiment shown in Fig.
  • a connector 340 between the contact panel 1 10th of the first power module to 202 and the contact panel 1 10 of the second power module 204 is formed.
  • the connector 340 establishes an electrical connection between the two power modules 202, 204.
  • the two power modules 202, 204 are connected in series.
  • the mechanical connection 460 creates a fixed connection between the energy modules 202, 204 within an energy store 200 via a structural design of a cell holder 470.
  • the cell holder 470 of the energy module 202 is formed in a toothed manner with negative ones Counterpart of
  • FIG. 5 shows an energy store with a combination of parallel contacting and series contacting of individual energy modules.
  • FIG. 5 shows an energy store 200 consisting of four energy modules 202, 204. There are always two power modules 202, 204 arranged side by side. Each energy module 202, 204 consists of four energy storage cells 1 10.
  • the energy storage cells 110 of an energy module 202, 204 are each two in two rows
  • Energy storage cells 120a, 120b, 120c which are arranged offset, composed.
  • the energy storage cells are arranged on virtual connecting lines 140a, 140b, wherein the connecting lines are substantially parallel.
  • the two power modules 202 arranged on the left in FIG. 5 are connected to one another in a parallel contact 570.
  • the two power modules 204 arranged one above the other are connected to one another in a parallel contact 570.
  • the two energy modules 202, 204, which are connected to each other in a parallel contact 570 are connected to one another in a series contact 575.
  • FIG. 5 shows in a plan view with possible series and parallel connections of the individual modules.
  • FIG. 5 shows the free choice of the parallel 570 or series contact 575 of the individual modules 202, 204 by means of a corresponding arrangement of the contact geometries.
  • FIG. 6 shows an energy storage consisting of two energy modules, wherein the contact panels have partially punched sheet metal lips to direct cooling air into the space between the cells.
  • FIG. 6 shows an energy store 200 analogous to FIGS. 2 to 4.
  • a contact panel 110 has plate lips 680, with the plate lips being shaped in order to guide cooling air 690 into the space between the energy storage cells 110.
  • Fig. 6 shows partially punched metal lips 680 of the contact sheets 1 10, wherein by means of the metal lips 680 cooling air 690 in the space between the cells 120a, 120b is passed.
  • the contact plates in the busbar 1 10 the cooling air 690 (air flow) for cooling the cells 120 a, 120 b derived.
  • cooling air 690 can be directed into the space between the cells 120a, 120b.
  • air baffles for flow guidance can alternatively be attached anywhere on the busbar 110, in the cell gap, or on the cell envelope surfaces.
  • an exemplary embodiment comprises a "and / or" link between a first feature and a second feature, then this is to be read so that the embodiment according to one embodiment, both the first feature and the second feature and according to another embodiment either only first feature or only the second feature.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

La présente invention concerne un module d'énergie (100) destiné à un accumulateur d'énergie électrique (200) pour un véhicule. Le module d'énergie (100) comporte une première cellule d'accumulation d'énergie (120a) et une deuxième cellule d'accumulation d'énergie (120b) présentant chacune un premier pôle (252) ayant une première polarité et un deuxième pôle (254) ayant une deuxième polarité, la deuxième polarité étant opposée à la première. Un panneau de contact (110) plan plat est relié, au niveau de points de contact (132), au premier pôle respectif (252) de la première cellule d'accumulation d'énergie (120a) et de la deuxième cellule d'accumulation d'énergie (120b).
PCT/EP2012/074072 2012-01-17 2012-11-30 Module d'énergie destiné à un accumulateur d'énergie électrique pour un véhicule et procédé de fabrication du module d'énergie WO2013107552A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012200591.9 2012-01-17
DE102012200591A DE102012200591A1 (de) 2012-01-17 2012-01-17 Energiemodul für einen elektrischen Energiespeicher für ein Fahrzeug und Verfahren zur Herstellung des Energiemoduls

Publications (1)

Publication Number Publication Date
WO2013107552A1 true WO2013107552A1 (fr) 2013-07-25

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WO (1) WO2013107552A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014212143A1 (de) * 2014-06-25 2015-12-31 Technische Universität München Kontaktierungsvorrichtung zur Kontaktierung einer Energiespeicherzelle
DE102014014850A1 (de) 2014-10-07 2016-04-07 Audi Ag Energiespeicheranordnung, Kraftfahrzeug umfassend eine solche Energiespeicheranordnung und Verfahren zu deren Herstellung
DE102016219284A1 (de) 2016-10-05 2018-04-05 Bayerische Motoren Werke Aktiengesellschaft Elektrischer Energiespeicher mit einer Notkühleinrichtung
DE102016219286A1 (de) * 2016-10-05 2018-04-05 Bayerische Motoren Werke Aktiengesellschaft Elektrischer Energiespeicher mit Energiespeicherzellen deren Seitenflächen mit einem Muster versehen sind
DE102016219283A1 (de) 2016-10-05 2018-04-05 Bayerische Motoren Werke Aktiengesellschaft Elektrischer Energiespeicher mit zwischen den Zellen angeordneten Kühlplatten zur Notkühlung

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Publication number Priority date Publication date Assignee Title
EP1487035A2 (fr) * 2003-06-09 2004-12-15 Ricoh Company, Ltd. Une structure de contact, un dispositif utilisant cette structure de contact et un appareil pour enregistrer des images ayant cette structure de contact
WO2008147153A1 (fr) * 2007-05-31 2008-12-04 Lg Chem, Ltd. Élément de connexion électrique de type à assemblage et bloc-piles de secours contenant un tel élément
GB2458943A (en) * 2008-04-03 2009-10-07 Amberjac Projects Ltd Improvements in or relating to battery systems
EP2339672A1 (fr) * 2009-07-17 2011-06-29 Panasonic Corporation Module de piles et bloc-batterie l'utilisant
US20110236728A1 (en) * 2010-03-26 2011-09-29 Panasonic Corporation Battery module and method of manufacturing the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1487035A2 (fr) * 2003-06-09 2004-12-15 Ricoh Company, Ltd. Une structure de contact, un dispositif utilisant cette structure de contact et un appareil pour enregistrer des images ayant cette structure de contact
WO2008147153A1 (fr) * 2007-05-31 2008-12-04 Lg Chem, Ltd. Élément de connexion électrique de type à assemblage et bloc-piles de secours contenant un tel élément
GB2458943A (en) * 2008-04-03 2009-10-07 Amberjac Projects Ltd Improvements in or relating to battery systems
EP2339672A1 (fr) * 2009-07-17 2011-06-29 Panasonic Corporation Module de piles et bloc-batterie l'utilisant
US20110236728A1 (en) * 2010-03-26 2011-09-29 Panasonic Corporation Battery module and method of manufacturing the same

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