CN101645495B - Explosion-proof structure and power battery adopting explosion-proof structure - Google Patents

Explosion-proof structure and power battery adopting explosion-proof structure Download PDF

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Publication number
CN101645495B
CN101645495B CN2008101354775A CN200810135477A CN101645495B CN 101645495 B CN101645495 B CN 101645495B CN 2008101354775 A CN2008101354775 A CN 2008101354775A CN 200810135477 A CN200810135477 A CN 200810135477A CN 101645495 B CN101645495 B CN 101645495B
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CN
China
Prior art keywords
explosion
head protector
pressure disc
rupture pressure
blast resistance
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Active
Application number
CN2008101354775A
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Chinese (zh)
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CN101645495A (en
Inventor
赵维
赖庆
朱建华
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BYD Co Ltd
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BYD Co Ltd
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 BYD Co Ltd filed Critical BYD Co Ltd
Priority to CN2008101354775A priority Critical patent/CN101645495B/en
Priority to US12/341,728 priority patent/US8383257B2/en
Priority to US12/341,782 priority patent/US20090162738A1/en
Priority to US12/341,808 priority patent/US8202644B2/en
Priority to US12/342,023 priority patent/US20090159354A1/en
Priority to US12/342,024 priority patent/US8193770B2/en
Priority to US12/341,720 priority patent/US9741996B2/en
Priority to US12/341,787 priority patent/US8092936B2/en
Priority to US12/341,800 priority patent/US8399116B2/en
Priority to US12/341,704 priority patent/US8865335B2/en
Priority to US12/341,773 priority patent/US8404379B2/en
Priority to CA2709138A priority patent/CA2709138C/en
Priority to EP08863738.4A priority patent/EP2210311B1/en
Priority to CA 2709120 priority patent/CA2709120A1/en
Priority to PCT/CN2008/073678 priority patent/WO2009079964A1/en
Priority to EA201070709A priority patent/EA018417B1/en
Priority to PCT/CN2008/073671 priority patent/WO2009079962A1/en
Priority to CA2709161A priority patent/CA2709161C/en
Priority to JP2010540014A priority patent/JP5237389B2/en
Priority to PL08864156T priority patent/PL2223375T3/en
Priority to PCT/CN2008/073682 priority patent/WO2009082955A1/en
Priority to JP2010540013A priority patent/JP2011508393A/en
Priority to PCT/CN2008/073688 priority patent/WO2009082956A1/en
Priority to EP20130156531 priority patent/EP2618403A1/en
Priority to CA2709111A priority patent/CA2709111C/en
Priority to JP2010540016A priority patent/JP5269095B2/en
Priority to JP2010540008A priority patent/JP5279839B2/en
Priority to BRPI0819537-4A priority patent/BRPI0819537B1/en
Priority to JP2010540011A priority patent/JP5269094B2/en
Priority to EA201070705A priority patent/EA017128B1/en
Priority to BRPI0819585-4A priority patent/BRPI0819585B1/en
Priority to EP08868378.4A priority patent/EP2210294A4/en
Priority to ES08864156.8T priority patent/ES2627441T3/en
Priority to CA2709122A priority patent/CA2709122C/en
Priority to CA2709112A priority patent/CA2709112A1/en
Priority to KR1020107014216A priority patent/KR101200856B1/en
Priority to BRPI0819583-8A priority patent/BRPI0819583B1/en
Priority to KR1020107014225A priority patent/KR101159157B1/en
Priority to EA201070708A priority patent/EA022170B1/en
Priority to JP2010540007A priority patent/JP5550561B2/en
Priority to PCT/CN2008/073690 priority patent/WO2009082957A1/en
Priority to PCT/CN2008/073680 priority patent/WO2009082954A1/en
Priority to KR1020107014224A priority patent/KR101224172B1/en
Priority to CA2709117A priority patent/CA2709117C/en
Priority to PCT/CN2008/073683 priority patent/WO2009079966A1/en
Priority to EP08864156.8A priority patent/EP2223375B1/en
Priority to EA201070717A priority patent/EA201070717A1/en
Priority to KR1020107014220A priority patent/KR101205885B1/en
Priority to JP2010540012A priority patent/JP5132783B2/en
Priority to EP20130156532 priority patent/EP2618396A1/en
Priority to BRPI0819570 priority patent/BRPI0819570A2/en
Priority to EA201070711A priority patent/EA017156B1/en
Priority to KR1020107014221A priority patent/KR101172691B1/en
Priority to BRPI0819521-8A priority patent/BRPI0819521B1/en
Priority to EA201070716A priority patent/EA019090B1/en
Priority to EA201070707A priority patent/EA018448B1/en
Priority to CA2709114A priority patent/CA2709114C/en
Priority to DK08864156.8T priority patent/DK2223375T3/en
Priority to CA2709115A priority patent/CA2709115C/en
Priority to KR1020107014222A priority patent/KR101213629B1/en
Priority to PCT/CN2008/073692 priority patent/WO2009082958A1/en
Priority to KR1020107014218A priority patent/KR101146662B1/en
Priority to BRPI0819523-4A priority patent/BRPI0819523B1/en
Priority to BRPI0819579 priority patent/BRPI0819579A2/en
Priority to KR1020107014223A priority patent/KR101188322B1/en
Priority to EP08867675.4A priority patent/EP2210295B1/en
Priority to BRPI0819538-2A priority patent/BRPI0819538A2/en
Priority to BRPI0819530-7A priority patent/BRPI0819530B1/en
Priority to EP13156533.5A priority patent/EP2618397B1/en
Priority to EP08863940A priority patent/EP2210301A4/en
Priority to EA201070712A priority patent/EA017498B1/en
Priority to JP2010540015A priority patent/JP5188582B2/en
Priority to EA201300926A priority patent/EA027289B1/en
Priority to PCT/CN2008/073679 priority patent/WO2009079965A1/en
Priority to CA 2709661 priority patent/CA2709661A1/en
Priority to EP08867970A priority patent/EP2210297A4/en
Priority to EA201300925A priority patent/EA027352B1/en
Priority to EP08868949.2A priority patent/EP2225793A4/en
Priority to PCT/CN2008/073667 priority patent/WO2009079961A1/en
Priority to EP08864365.5A priority patent/EP2223367B1/en
Priority to EA201070706A priority patent/EA019433B1/en
Priority to EA201070710A priority patent/EA201070710A1/en
Priority to EP08867248.0A priority patent/EP2223365B1/en
Priority to KR1020107014217A priority patent/KR101196376B1/en
Priority to EA201300927A priority patent/EA201300927A1/en
Priority to JP2010540010A priority patent/JP5566908B2/en
Priority to HUE08864156A priority patent/HUE034580T2/en
Priority to KR1020107014219A priority patent/KR101215414B1/en
Priority to EP08864192A priority patent/EP2208248A4/en
Priority to JP2010540009A priority patent/JP2011508390A/en
Priority to BRPI0819550-1A priority patent/BRPI0819550B1/en
Priority to US12/547,856 priority patent/US8420254B2/en
Priority to US12/548,626 priority patent/US8276695B2/en
Publication of CN101645495A publication Critical patent/CN101645495A/en
Application granted granted Critical
Publication of CN101645495B publication Critical patent/CN101645495B/en
Priority to JP2013144796A priority patent/JP5843815B2/en
Priority to JP2013144795A priority patent/JP5843814B2/en
Priority to JP2013144797A priority patent/JP5703345B2/en
Priority to US14/164,872 priority patent/US10381632B2/en
Priority to US14/164,844 priority patent/US20140141315A1/en
Priority to US14/164,896 priority patent/US10147930B2/en
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    • 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

Abstract

The invention discloses an explosion-proof structure for a power battery and aims to provide an explosion-proof structure for a power battery with relatively simple structure and reliable explosion-proof performance. The explosion-proof structure comprises an exhaust outlet (5) which is formed on a cover plate (1) or a shell of the power battery and an explosion-proof film (4) which is fixed on the air exhausting opening (5). The explosion-proof structure is characterized in that the explosion-proof structure also comprises a protective cap (3), the cap body of the protective cap (3) is provided with an exhaust hole (7), and the protective cap (3) is overlaid on the explosion-proof film (4) and fixed on the air exhausting opening (5). The invention also discloses the power battery adopting the explosion-proof structure. The explosion-proof structure is mainly used for preventing the power battery from exploding caused by increased inner pressure in unexpected situations.

Description

Blast resistance construction and adopt the electrokinetic cell of this blast resistance construction
Technical field
The present invention relates to a kind of blast resistance construction of electrokinetic cell.In addition, the invention still further relates to a kind of electrokinetic cell that adopts this blast resistance construction.
Background technology
Electrokinetic cell since have in light weight, volume is little, capacity is big, power is high, advantage such as pollution-free, becomes the ideal source of mancarried electronic aid and electric motor car.But when battery occurs can producing a large amount of gas at inside battery when unusual, cause the interior pressure of battery sharply to increase, at this moment, if a large amount of gases that produce can not get timely eliminating, battery will produce blast, causes security incident.
For fear of the generation of blast, generally can on the structure of battery, increase blast resistance construction.For the less battery of volume, generally adopt aluminum hull as battery case, its thickness can be too not thick, and being mostly on battery container, to suppress trace forms simple and easy blast resistance construction usually.When inner pressure of battery acquired a certain degree, the impression on the battery container will be opened owing to intensity is more weak, thereby the interior pressure that can discharge battery is blasted under unexpected situation to prevent battery.But for electrokinetic cell, owing to need bigger energy, so general all the bigger volume of battery design one-tenth, the also corresponding thickening of housing of battery simultaneously.In such cases, traditional suppress the requirement of explosion proof that the trace method can't reach electrokinetic cell.
For addressing this problem, electrokinetic cell adopts the explosion-proof valve device more.Tradition explosion-proof valve device generally has spring structure, perhaps has valve body and valve core structure.A kind of explosion-proof valve device has been described among the Chinese patent CN2891302; This explosion-proof valve device comprises rupture pressure disc and rupture pressure disc installation valve body; In order to be installed on rupture pressure disc in the valve body and to guarantee sealing, need be at valve inner machining screw and boss, and need install supporting seal additional; Also need simultaneously could explosion-proof valve be installed on the battery like this at valve body external process and the external screw thread that the installation nut cooperates.Tradition explosion-proof valve structure is loaded down with trivial details, complex process, and cost is higher; And because its parts are more; Assembling process is complicated, and the explosion-proof performance of explosion-proof valve is subject to rigging error or the accumulated error influence in the assembling process, and this has caused the explosion-proof performance of traditional explosion-proof valve unreliable; When abnormal conditions appearred in battery, explosion-proof valve usually can not in time start discharging inside battery air pressure.In addition; Loaded down with trivial details just because of traditional explosion-proof valve structure, explosion-proof performance is subject to rigging error or the accumulated error influence in the assembling process, and the consistency of its explosion-proof performance also is difficult to guarantee; This is a very important safety problem for the power battery pack of being made up of a plurality of cells.
Summary of the invention
It is simple relatively that technical problem to be solved by this invention provides a kind of structure, and the reliable power battery explosion protection structure of explosion-proof performance, and a kind of electrokinetic cell that adopts this blast resistance construction will be provided.
The blast resistance construction of electrokinetic cell provided by the invention; Comprise the cover plate that is formed at said electrokinetic cell or the exhaust port on the housing; And be fixed on the rupture pressure disc on the said exhaust port; This blast resistance construction also comprises head protector, and the cap body of said head protector is provided with steam vent, and said head protector is stacked on the said rupture pressure disc and is fixed on the said exhaust port.
Electrokinetic cell provided by the invention; Comprise cover plate, housing and blast resistance construction, this blast resistance construction comprise the cover plate that is formed at said electrokinetic cell or the exhaust port on the housing; And be fixed on the rupture pressure disc on the said exhaust port; This blast resistance construction also comprises head protector, and the cap body of said head protector is provided with steam vent, and said head protector is stacked on the said rupture pressure disc and is fixed on the said exhaust port.
Said rupture pressure disc be shaped as circle, ellipse or other shapes; The material of said rupture pressure disc and head protector all adopts easy weld metal materials such as fine aluminium, aluminium alloy or steel; The thickness of said protecting film is 0.01-0.05mm; Said head protector is stacked on the said rupture pressure disc and is fixed by welding on the exhaust port; Said steam vent is formed on the sidewall of said head protector; Has the gap between the crown of said rupture pressure disc and said head protector; Said exhaust port periphery has standing groove, and said rupture pressure disc and head protector are fixed in this standing groove.
Compare with traditional explosion-proof valve, blast resistance construction of the present invention only is made up of rupture pressure disc, head protector, exhaust port, and is simple in structure, easy for installation, when enhancing productivity, also reduced the making and the installation cost of battery.Simultaneously; The thickness of rupture pressure disc can be selected to adapt to different explosion-proof pressures with material as the case may be, can be implemented in that rupture pressure disc in time breaks under the abnormal conditions, discharges air pressure inside through the steam vent on the head protector and blasts to prevent battery; Thereby guaranteed the reliability of battery anti-explosion performance; And said head protector has the effect of protection rupture pressure disc, can avoid its be exposed to outer, receive the external force influence and hinder and start, this has strengthened the reliability of explosion-proof performance of the present invention equally.In addition; Because blast resistance construction of the present invention is simple, mounting process is simplified, and the reliability of explosion-proof performance receives the alignment error factor affecting less; Thereby under same battery inside casing spare, the consistency of performance, the reliability that are installed in the blast resistance construction on each monocell in the battery pack are good.
Description of drawings
Fig. 1 is the exploded view of blast resistance construction of the present invention;
Fig. 2 is the scheme of installation of blast resistance construction of the present invention;
Fig. 3 is the profile of blast resistance construction of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
Shown in Fig. 1-3, blast resistance construction comprises head protector 3, rupture pressure disc 4 and perforate 5, wherein is provided with a plurality of steam vents 7 on the cap body of head protector 3.The wall thickness of head protector 3 is 0.1-0.3mm, and the thickness of rupture pressure disc 4 is 0.01-0.05mm.The material of head protector 3 and rupture pressure disc 4 is all identical with cover plate 1, is easy weld metals such as aluminium, aluminium alloy or steel.The shade edge shape of rupture pressure disc 4 and head protector 3 is consistent, is circle.Head protector 3 is stacked on the rupture pressure disc 4, and is placed on together in the standing groove 2 on the cover plate 1, through high-energy beam integral solder such as laser or electron beams on cover plate 1.Weld seam 6 forms a closed loop, guarantees certain sealing, thereby explosion-proof valve of the present invention can hide exhaust port 5 sealings after installation.In order to guarantee effective exhaust diameter of exhaust port 5, and can guarantee the bonding strength of explosion-proof valve and cover plate 1 simultaneously, the inward flange 8 of said standing groove 2 is no more than the 10%-15% of exhaust port 5 integral width apart from the radial distance of steam vent inwall 9.In this execution mode because the rupture pressure disc 4 that adopts is thinner, if separately with it as blast resistance construction, then be difficult to be connected on the cover plate 1, nor be prone to guarantee sealing, so on rupture pressure disc 4, added a head protector 3 through laser or electron beam welding.The effect one of this head protector 3 is in order to make rupture pressure disc 4 be easy to be welded on the cover plate 1, the 2nd, can protect rupture pressure disc 4, avoid its be exposed to outer, receive the external force influence and hinder and start.Like this, when abnormal conditions in use appear in electrokinetic cell, press when increasing to a certain degree in causing, rupture pressure disc 4 can in time break, and presses in discharging through steam vent 7, thereby can prevent that battery from blasting.
The present invention is not limited to above-mentioned execution mode.
For example, the thickness of rupture pressure disc 4 of the present invention can be selected satisfying different explosion-proof pressures as the case may be, when adopting easy weld metal material such as aluminium alloy, can between 0.01-0.1mm, select usually; Head protector 3 is satisfying under the prerequisite of requirement of explosion proof with the material that rupture pressure disc 4 is adopted; Can select according to different installation; Under the welded and installed mode, can select easy weld metal materials such as aluminium alloy, under bonding mounting means, can select plastics, PVC plate etc.; The shape of rupture pressure disc 4 can be circular, oval or other shape; The wall thickness of head protector 3 can be regulated according to the installation needs, can between 0.1-0.5mm, select usually; In addition, at the standing groove 2 described in the above preferred implementation, only be in order to guarantee the smooth of explosion-proof valve and electrokinetic cell installed surface, when installed surface is more smooth, can not establish standing groove 2 or only need this installed surface is carried out the simple plane PROCESS FOR TREATMENT; Blast resistance construction both can be installed on the cover plate 1 of electrokinetic cell, also can be installed on the housing of electrokinetic cell, and decide because of the position of exhaust port 5 installation site.Said structure all is an obvious mode of texturing of the present invention, all belongs to protection scope of the present invention.

Claims (5)

1. the blast resistance construction of an electrokinetic cell; Comprise the exhaust port (5) that is formed on the said electrokinetic cell cover plate (1) and be fixed on the rupture pressure disc (4) on the said exhaust port (5); Said exhaust port (5) is communicated with first steam vent; It is characterized in that; Said blast resistance construction also comprises head protector (3), and the cap body of said head protector (3) is provided with second steam vent (7), and said head protector (3) is stacked in said rupture pressure disc (4) and goes up and be fixed on the said exhaust port (5); Said exhaust port (5) periphery has standing groove (2), and said rupture pressure disc (4) is consistent with the shade edge shape of head protector (3), and this rupture pressure disc (4) and head protector (3) are fixed in this standing groove (2); The material of said head protector and rupture pressure disc is plastics, and fixes through bonding way, and the inward flange (8) of said standing groove (2) is no more than the 10%-15% of said exhaust port (5) integral width apart from the radial distance of the first steam vent inwall (9).
2. blast resistance construction according to claim 1 is characterized in that, said rupture pressure disc (4) be shaped as circle, ellipse, square or fillet rectangle.
3. blast resistance construction according to claim 1 is characterized in that, said steam vent (7) is formed on the sidewall of said head protector (3).
4. blast resistance construction according to claim 1 is characterized in that, has the gap between the crown of said rupture pressure disc (4) and said head protector (3).
5. an electrokinetic cell comprises cover plate (1), housing and blast resistance construction, it is characterized in that, said blast resistance construction is any described blast resistance construction among the claim 1-4.
CN2008101354775A 2007-12-25 2008-08-07 Explosion-proof structure and power battery adopting explosion-proof structure Active CN101645495B (en)

Priority Applications (99)

Application Number Priority Date Filing Date Title
CN2008101354775A CN101645495B (en) 2008-08-07 2008-08-07 Explosion-proof structure and power battery adopting explosion-proof structure
US12/341,728 US8383257B2 (en) 2007-12-25 2008-12-22 Electrochemical storage cell with blow out vents
US12/341,782 US20090162738A1 (en) 2007-12-25 2008-12-22 Battery system with heated terminals
US12/341,808 US8202644B2 (en) 2007-12-25 2008-12-22 Protection cover for an end cap assembly of a battery cell
US12/342,023 US20090159354A1 (en) 2007-12-25 2008-12-22 Battery system having interconnected battery packs each having multiple electrochemical storage cells
US12/342,024 US8193770B2 (en) 2007-12-25 2008-12-22 Battery system for a vehicle having an over-current/over-temperature protective feature
US12/341,720 US9741996B2 (en) 2007-12-25 2008-12-22 Construction of electrochemical storage cell
US12/341,787 US8092936B2 (en) 2007-12-25 2008-12-22 Electrochemical cell having a coiled core
US12/341,800 US8399116B2 (en) 2007-12-25 2008-12-22 Optimized dimensional relationships for an electrochemical cell having a coiled core
US12/341,704 US8865335B2 (en) 2007-12-25 2008-12-22 Electrochemical storage cell
US12/341,773 US8404379B2 (en) 2007-12-25 2008-12-22 Vehicle with a battery system
CA2709138A CA2709138C (en) 2007-12-25 2008-12-24 Construction of electrochemical storage cell with expansion member
EP08863738.4A EP2210311B1 (en) 2007-12-25 2008-12-24 Vehicle with battery system
CA 2709120 CA2709120A1 (en) 2007-12-25 2008-12-24 Electrochemical cell having a coiled core
PCT/CN2008/073678 WO2009079964A1 (en) 2007-12-25 2008-12-24 Electrochemical storage cell
EA201070709A EA018417B1 (en) 2007-12-25 2008-12-24 Protection cover for end cap assembly of battery cell
PCT/CN2008/073671 WO2009079962A1 (en) 2007-12-25 2008-12-24 Vehicle with battery system
CA2709161A CA2709161C (en) 2007-12-25 2008-12-24 Construction of electrochemical storage cell
JP2010540014A JP5237389B2 (en) 2007-12-25 2008-12-24 Electrochemical storage battery with spout vent
PL08864156T PL2223375T3 (en) 2007-12-25 2008-12-24 Electrochemical cell having coiled core
PCT/CN2008/073682 WO2009082955A1 (en) 2007-12-25 2008-12-24 Battery system with heated terminals
JP2010540013A JP2011508393A (en) 2007-12-25 2008-12-24 Electrochemical cell with coiled core
PCT/CN2008/073688 WO2009082956A1 (en) 2007-12-25 2008-12-24 Electrochemical storage cell with blow out vents
EP20130156531 EP2618403A1 (en) 2007-12-25 2008-12-24 Battery system for a vehicle with severable connections
CA2709111A CA2709111C (en) 2007-12-25 2008-12-24 Vehicle with a battery system
JP2010540016A JP5269095B2 (en) 2007-12-25 2008-12-24 Structure of electrochemical storage battery
JP2010540008A JP5279839B2 (en) 2007-12-25 2008-12-24 Vehicle having battery system
BRPI0819537-4A BRPI0819537B1 (en) 2007-12-25 2008-12-24 ELECTRIC CHEMICAL STORAGE CELL AND BATTERY SYSTEM FOR A VEHICLE
JP2010540011A JP5269094B2 (en) 2007-12-25 2008-12-24 Protective cover for battery cell end cap assembly
EA201070705A EA017128B1 (en) 2007-12-25 2008-12-24 Optimized dimensional relationships for an electrochemical cell having coiled core
BRPI0819585-4A BRPI0819585B1 (en) 2007-12-25 2008-12-24 ELECTROCHEMICAL STORAGE CELL AND BATTERY SYSTEM FOR AN ELECTRIC POWER MOVED VEHICLE
EP08868378.4A EP2210294A4 (en) 2007-12-25 2008-12-24 Protection cover for end cap assembly of battery cell
ES08864156.8T ES2627441T3 (en) 2007-12-25 2008-12-24 Electrochemical cell that has a coiled core
CA2709122A CA2709122C (en) 2007-12-25 2008-12-24 Electrochemical storage cell with blow out vents
CA2709112A CA2709112A1 (en) 2007-12-25 2008-12-24 Electrochemical storage cell with active materials
KR1020107014216A KR101200856B1 (en) 2007-12-25 2008-12-24 Electrochemical storage cell
BRPI0819583-8A BRPI0819583B1 (en) 2007-12-25 2008-12-24 Electrochemical Storage Cell
KR1020107014225A KR101159157B1 (en) 2007-12-25 2008-12-24 Protection cover for end cap assembly of battery cell
EA201070708A EA022170B1 (en) 2007-12-25 2008-12-24 Battery system for a vehicle with severable connections
JP2010540007A JP5550561B2 (en) 2007-12-25 2008-12-24 Optimized dimensional relationship for electrochemical cells with coiled core
PCT/CN2008/073690 WO2009082957A1 (en) 2007-12-25 2008-12-24 Battery system having interconnected battery packs each having multiple electrochemical storage cells
PCT/CN2008/073680 WO2009082954A1 (en) 2007-12-25 2008-12-24 Protection cover for end cap assembly of battery cell
KR1020107014224A KR101224172B1 (en) 2007-12-25 2008-12-24 Optimized dimensional relationships for an electrochemical cell having coiled core
CA2709117A CA2709117C (en) 2007-12-25 2008-12-24 Construction of electrochemical storage cell with conductive block
PCT/CN2008/073683 WO2009079966A1 (en) 2007-12-25 2008-12-24 Electrochemical cell having coiled core
EP08864156.8A EP2223375B1 (en) 2007-12-25 2008-12-24 Electrochemical cell having coiled core
EA201070717A EA201070717A1 (en) 2007-12-25 2008-12-24 BATTERY DEVICE WITH MUTUALLY CONNECTED BATTERY BATTERIES, EACH OF WHICH HAS A MANY ELECTROCHEMICAL BATTERY ELEMENTS
KR1020107014220A KR101205885B1 (en) 2007-12-25 2008-12-24 Battery system for a vehicle with severable connections
JP2010540012A JP5132783B2 (en) 2007-12-25 2008-12-24 Battery system having a heating terminal
EP20130156532 EP2618396A1 (en) 2007-12-25 2008-12-24 Battery system for a vehicle with severable connections
BRPI0819570 BRPI0819570A2 (en) 2007-12-25 2008-12-24 "BATTERY SYSTEM WITH HEATED TERMINALS"
EA201070711A EA017156B1 (en) 2007-12-25 2008-12-24 Electrochemical cell having coiled core
KR1020107014221A KR101172691B1 (en) 2007-12-25 2008-12-24 Vehicle with battery system
BRPI0819521-8A BRPI0819521B1 (en) 2007-12-25 2008-12-24 Electrochemical Storage Cell
EA201070716A EA019090B1 (en) 2007-12-25 2008-12-24 Electrochemical storage cell with blow out vents
EA201070707A EA018448B1 (en) 2007-12-25 2008-12-24 Electrochemical storage cell
CA2709114A CA2709114C (en) 2007-12-25 2008-12-24 Battery system for a vehicle with severable connections
DK08864156.8T DK2223375T3 (en) 2007-12-25 2008-12-24 ELECTROCHEMICAL CELL WITH ROLLED CORE
CA2709115A CA2709115C (en) 2007-12-25 2008-12-24 Protection cover for end cap assembly of a battery cell
KR1020107014222A KR101213629B1 (en) 2007-12-25 2008-12-24 Battery device with heated terminals
PCT/CN2008/073692 WO2009082958A1 (en) 2007-12-25 2008-12-24 Construction of electrochemical storage cell
KR1020107014218A KR101146662B1 (en) 2007-12-25 2008-12-24 Battery pack comprising electrochemical storage cells and battery system comprising same
BRPI0819523-4A BRPI0819523B1 (en) 2007-12-25 2008-12-24 ELECTROCHEMICAL STORAGE CELL AND BATTERY SYSTEM FOR AN ELECTRIC POWER MOVED VEHICLE
BRPI0819579 BRPI0819579A2 (en) 2007-12-25 2008-12-24 "electrochemical cell storage and battery system"
KR1020107014223A KR101188322B1 (en) 2007-12-25 2008-12-24 Electrochemical cell having coiled core
EP08867675.4A EP2210295B1 (en) 2007-12-25 2008-12-24 Construction of electrochemical storage cell
BRPI0819538-2A BRPI0819538A2 (en) 2007-12-25 2008-12-24 "battery, battery system and electric vehicle"
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