CN201323216Y - Battery unit - Google Patents

Battery unit Download PDF

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Publication number
CN201323216Y
CN201323216Y CNU2008201834000U CN200820183400U CN201323216Y CN 201323216 Y CN201323216 Y CN 201323216Y CN U2008201834000 U CNU2008201834000 U CN U2008201834000U CN 200820183400 U CN200820183400 U CN 200820183400U CN 201323216 Y CN201323216 Y CN 201323216Y
Authority
CN
China
Prior art keywords
electrode terminal
metalwork
battery pack
described electrode
bond strength
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.)
Expired - Lifetime
Application number
CNU2008201834000U
Other languages
Chinese (zh)
Inventor
郑卫鑫
朱建华
潘丽英
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.)
BYD Co Ltd
Original Assignee
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 CNU2008201834000U priority Critical patent/CN201323216Y/en
Priority to US12/342,023 priority patent/US20090159354A1/en
Priority to US12/342,024 priority patent/US8193770B2/en
Priority to BRPI0819550-1A priority patent/BRPI0819550B1/en
Priority to EA201070708A priority patent/EA022170B1/en
Priority to JP2010540010A priority patent/JP5566908B2/en
Priority to CA2709138A priority patent/CA2709138C/en
Priority to EA201300926A priority patent/EA027289B1/en
Priority to EP13156533.5A priority patent/EP2618397B1/en
Priority to KR1020107014218A priority patent/KR101146662B1/en
Priority to EP20130156532 priority patent/EP2618396A1/en
Priority to PCT/CN2008/073679 priority patent/WO2009079965A1/en
Priority to EP08867970A priority patent/EP2210297A4/en
Priority to PCT/CN2008/073690 priority patent/WO2009082957A1/en
Priority to EA201300925A priority patent/EA027352B1/en
Priority to KR1020107014220A priority patent/KR101205885B1/en
Priority to EA201300927A priority patent/EA201300927A1/en
Priority to JP2010540015A priority patent/JP5188582B2/en
Priority to EP08864365.5A priority patent/EP2223367B1/en
Priority to BRPI0819538-2A priority patent/BRPI0819538A2/en
Priority to EA201070717A priority patent/EA201070717A1/en
Priority to CA2709114A priority patent/CA2709114C/en
Priority to EP20130156531 priority patent/EP2618403A1/en
Application granted granted Critical
Publication of CN201323216Y publication Critical patent/CN201323216Y/en
Priority to JP2013144795A priority patent/JP5843814B2/en
Priority to JP2013144796A priority patent/JP5843815B2/en
Priority to JP2013144797A priority patent/JP5703345B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

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  • Connection Of Batteries Or Terminals (AREA)

Abstract

The utility model relates to a battery unit with the overheat protection function, wherein the battery unit comprises a plurality single batteries (10), a plurality of the single batteries (10) are mutually connected through electrode terminals (20), wherein metallic pieces (30) are fixedly connected on the periphery of the two electrode terminals (20) without conducting electricity, the combining strength between the metallic pieces (30) and the electrode terminals (20) is larger than the bonding strength between the electrode terminals (20), and the metallic pieces (30) are deformed when the electrode terminals overheats, and the electrode terminals (20) are deformed along with the metallic pieces (30), thereby disconnecting the connection between the electrode terminals (20), effectively protecting the battery unit and preventing damages because of overheating.

Description

Battery pack
Technical field
The utility model relates to battery pack, relates in particular to the battery pack with overheat protective function.
Background technology
Security performance is the particularly important indicator of power battery pack of battery pack always.Usually, be to link together between each cell of battery pack by electrode terminal.Can be solid between the electrode terminal by spiral shell, mode such as welding links together.For example, CN201051525Y discloses a kind of battery pack, and this battery pack comprises a plurality of cells, links together by the electrode terminal that is fitted and connected sheet between the cell, thereby forms battery pack.But, when battery pack is transshipped, can produce a large amount of heats, and this heat can not discharge in time, it is dangerous that the heat that gathers may make cell and battery pack blast etc.Therefore, the fail safe of this battery pack is relatively poor, damages battery pack when overheated easily.
The utility model content
The utility model provides a kind of battery pack of tool overload protection function, to overcome problems of the prior art.
Battery pack of the present utility model comprises a plurality of cells, described a plurality of cell interconnects by electrode terminal, wherein, be fixedly connected with metalwork around two described electrode terminals that connect non-conductively, the bond strength of this metalwork and described electrode terminal is greater than the bond strength between the described electrode terminal, described metalwork deforms when described electrode terminal is overheated, make described electrode terminal be out of shape, thereby disconnect the connection between the described electrode terminal with described metalwork.
Use battery pack of the present utility model; when described battery pack under internal short-circuit, super-charge super-discharge and extraneous condition such as catch fire and when producing a large amount of heats; cause described electrode terminal overheated; described metalwork can produce distortion; and force the described electrode terminal of fixedlying connected also to produce distortion with it; make described distortion can overcome the bonding strength between the described electrode terminal and disconnect connection between the described electrode terminal; thereby protect described battery pack effectively, avoid the damage that causes because of overheated.
Description of drawings
Fig. 1 is the fragmentary, perspective view that shows according to the battery pack of first execution mode of the present utility model;
Fig. 2 is the partial sectional view of demonstration according to the electrode terminal connection of the battery pack of first execution mode of the present utility model;
Fig. 3 is demonstration disconnects connection according to the electrode terminal of the battery pack of first an execution mode of the present utility model partial sectional view;
Fig. 4 is the partial sectional view of demonstration according to the electrode terminal connection of an embodiment of first execution mode of the present utility model;
Fig. 5 is the partial sectional view of demonstration according to the electrode terminal connection of the battery pack of second execution mode of the present utility model;
Fig. 6 is demonstration disconnects connection according to the electrode terminal of the battery pack of second an execution mode of the present utility model partial sectional view;
Fig. 7 is the fragmentary, perspective view of demonstration according to the battery pack of an embodiment of second execution mode of the present utility model.
Embodiment
Fig. 1 to Fig. 7 has shown the execution mode according to battery pack of the present utility model, as shown in the figure, this battery pack comprises a plurality of cells 10, cell 10 interconnects by electrode terminal 20, be fixedly connected with metalwork 30 around two electrode terminals 20 that connect non-conductively, the bond strength of this metalwork 30 and electrode terminal 20 is greater than the bond strength between the electrode terminal 20, metalwork 30 deforms when described electrode terminal 20 is overheated, make described electrode terminal 20 with described metalwork 30 distortion, and disconnect the connection between the electrode terminal 20.
Wherein, Fig. 1 to Fig. 3 has shown the battery pack according to first execution mode of the present utility model.Particularly, electrode terminal 20 is drawn from cell, and forms on electrode terminal 20 through 90 ° of bendings and to have facing surfaces.Can on facing surfaces, form connection by for example cold welding of various known welding manners, supersonic welding, Laser Welding or soldering between the electrode terminal 20, be preferably formed line connection or point and connect.For example, can apply one or more line style scolder at the Width of facing surfaces upper edge electrode terminal 20, or apply one or more point-like scolders.Then, form welding block 40, electrode terminal 20 is linked together, form battery pack by the heat fused scolder.Wherein, scolder can be selected low-melting metal, as contain the scolder of tin, in the present embodiment, use tin as scolder, thereby can when overheated, can soften by welding block 40, and make electrode terminal 20 overcome the connection power of welding block 40 and produce distortion and disconnect welding block 40, promptly disconnect the connection between the electrode terminal 20.In addition, also can use conducting resinl connection electrode terminal 20, form line connection or point and connect, to reduce the bond strength between the electrode terminal 20.
After connecting electrode terminal 20, the fixedly connected metalwork 30 in the outside of electrode terminal 20.Wherein, this is fixedly connected as non-conductive connection, promptly guarantees conduction between electrode terminal 20 and the metalwork 30.In addition, the bond strength between electrode terminal 20 and the metalwork 30 is greater than the bond strength between the electrode terminal 20.For example, can use electric insulation, high temperature resistant, can with the ceramic material such as the Al of metal strong bonded 2O 3, ZrO 2, MgO, TiO 2Deng inorganic oxide, and mix adhesive formation ceramic bonding material therein.This binding material of coating on electrode terminal 20 and metalwork 30 facing surfaces, thereby electrode terminal 20 and metalwork 30 non-conductive ground can be bonded together securely, and can guarantee that the bond strength between this electrode terminal 20 and the metalwork 30 connects greater than the point between the electrode terminal 20 or the line connection.In addition, the thin tack coat that binding material forms has good thermal conductivity, can guarantee that the heat of electrode terminal 20 can pass to metalwork 30 fast.Selectively, can also use silicate-type adhesive bond fixed electrode terminal 20 and metalwork 30, known ground, silicate-type adhesive have characteristics such as thermal conductivity height, bond strength are big, high temperature resistant, and required nonconducting firm connection can be provided equally.
During the battery overload, a large amount of heats that electrode terminal 20 produces will transmit to metalwork 30 fast by tack coat, make metalwork 30 be heated and produce distortion rapidly, as shown in Figure 3, because the bond strength of resistant to elevated temperatures tack coat is connected or puts the bond strength of connection between metalwork 30 and the electrode terminal 20 greater than line between the electrode terminal 20, electrode terminal 20 will be out of shape together along with metalwork 30, thereby the adhesion that overcomes welding block 40 makes welding block 40 fractures, make the connection between the electrode terminal 20 disconnect, again since between electrode terminal 20 and metalwork 30 fixedly connected for electrically non-conductive material formation, so after the connection between the electrode terminal 20 disconnects, just formed current interruption between two cells 10, thereby prevented that battery pack is further overheated and cause the generation of thermal runaway.
Metalwork 30 can be that any can generation when overheated makes electrode terminal 20 that the parts that connect take place to disconnect.For example can use successively connect a plurality of to have the metal level of different heat expansion coefficient or marmem as metalwork 30.
When use has the metal level of different heat expansion coefficient, the metal level of innermost layer is fixedlyed connected with electrode terminal 20, be fixedly connected sequentially between each metal level, and guarantee that the bond strength of innermost layer metal level and electrode terminal 20 and the bond strength between each metal level are greater than the bond strength between the electrode terminal 20.From innermost layer to outermost layer, the thermal coefficient of expansion of each metal level successively decreases successively, make that when overheated the thermal expansion that is positioned at inboard metal level is subjected to the restriction of the metal level in the outside, produce distortion towards the bending of outermost metal layer thereby make metalwork 30 drive electrode terminal 20.Because the bond strength between metalwork 30 and the electrode terminal 20 is big than the bond strength between the electrode terminal 20, this distortion can make welding block 40 rupture, thereby disconnects the connection between the electrode terminal 20.
In the present embodiment, as shown in the figure, metalwork 30 comprises the first metal layer 31 and second metal level 32.Wherein, the first metal layer 31 and second metal level 32 can be selected various metals and alloy, but will guarantee the thermal coefficient of expansion of the thermal coefficient of expansion of the first metal layer 31 greater than second metal level 32.For example, can use the bimetal leaf that comprises the first metal layer 31 and second metal level 32, as Fe-Ni or Fe-Cu bimetal leaf.(thermal coefficient of expansion is 15 * 10 promptly can to use iron -7/ ℃) as the first metal layer 31, (thermal coefficient of expansion is 170 * 10 with copper -7/ ℃) as second metal level 32, during use, the face welding of passing through of the first metal layer 31 and second metal level 32 is fixed.When battery is overheated, metalwork 30 is heated, and the thermal expansion of the first metal layer 31 is subjected to the restriction of second metal level 32, make whole metalwork 30 together with connected electrode terminal 20 towards 32 bendings of second metal level, produce distortion as shown in Figure 3, and the connection of welding block 40 is disconnected.
In addition, can also use marmem such as Cu base or Fe base marmem as metalwork 30.Just make the shape memory after the metalwork of being made by marmem 30 has the above-mentioned distortion of generation, promptly metalwork 30 has the shape of metalwork illustrated in figures 1 and 2 30 under normal working temperature, when the battery overload is heated marmem, make this marmem be returned to the shape memory of metalwork shown in Figure 3 30, this Recovery Process makes the electrode terminal 20 that connects with marmem produce distortion thereupon, and makes welding block 40 disconnect connection.
In order to guarantee that bond strength between metalwork 30 and the electrode terminal 20 is greater than the bond strength between the electrode terminal 20, in an embodiment of the present utility model, as shown in Figure 4, battery pack also comprises insulation nut 50 and screw 60, to keep fastening non-conductive connection between electrode terminal 20 and the insulating part 30.Particularly, insulation nut 50 can be made by various heat stable resins, and it is solid in electrode terminal 20 and insulation nut 50 to make screw 60 electrically isolate from metalwork 30 spiral shells.Be formed with the groove and the hole of housing insulation nut 50 and screw 60 on the relevant position of electrode terminal 20 and metalwork 30, be formed with the screw thread that cooperates with screw 60 in the groove of motor terminal 20.As shown in the figure, screw 60 spiral shells are admittedly in insulation nut 50 and electrode terminal 20 and insulation nut 50 is force-fitted on the metalwork 30, and insulation nut 50 makes screw 60 and electrode terminal 20 electrically isolate from metalwork 30.Therefore, being connected between screw 60 is fastening metalwork 30 and the electrode terminal 20, thus strengthen the bond strength of this connection, the nut 50 that insulate has simultaneously guaranteed non-conductive connection the between metalwork 30 and the electrode terminal 20.Preferably, two cover insulation nut 50 and screws 60 can be set respectively on interconnective two electrode terminals 20 and metalwork 30, with the bond strength between reinforced metal part 30 and the corresponding electrode terminal 20 better.
Fig. 5 to Fig. 7 has shown the battery pack according to second execution mode of the present utility model, wherein, is formed with recess near the junction of electrode terminal 20, and electrode terminal 20 recess in opposite directions is connected with welding block as welding portion.For example,, on each electrode terminal 20, form a recess, and this relative recess is linked together by the welding block 40 of a line style or point-like to shown in Figure 7 as Fig. 5 towards another electrode terminal 20.This structure can guarantee better that the line between the electrode terminal 20 connects or point connects, and guarantees that bonding strength between the electrode terminal 20 is easier and overcome.
In addition, the metalwork 30 that connects with electrode terminal 20 is formed with the protuberance corresponding with the recess of electrode terminal 20, to cooperate the recess of electrode terminal 20.Metalwork 30 can be made by multiple layer metal spare or the marmem identical with first execution mode.Similar to first execution mode, metalwork 30 can be fixed on the outside of electrode terminal 20 by various connected modes with the connected mode greater than the bond strength between the electrode terminal 20.As mentioned above, because electrode terminal 20 has guaranteed that by recess line connects or point connects, when battery was overheated, the distortion meeting of metalwork 30 is easier to disconnect the connection between the electrode terminal 20.Its disconnection process and first execution mode are basic identical, do not do being repeated in this description at this.
In addition, in second execution mode, also can on the position except that the protuberance of the recess of electrode terminal 20 and corresponding metal part 30, similar insulation nut 50 shown in Figure 4 and screw 60 be set, with the bond strength between intensifier electrode terminal 20 and the metalwork 30.
Except adopting the assembly relation identical with first execution mode (is shown in Figure 1 through one time 90.Bending and have facing surfaces and connection electrode terminal 20 forming on the electrode terminal 20) outside, can also adopt other assembly relation.As shown in Figure 7, in an embodiment of present embodiment, use the good material electrode terminal 20 of plasticity (good plasticity will help when overheated electrode terminal 20 to disconnect smoothly connect) with metalwork 30 distortion, the electrode terminal 20 of each battery of cell 10 formed on electrode terminal 20 through twice 90 ° of bendings respectively have facing surfaces, and form that line connects or point connects.Identical with first execution mode, in the present embodiment, adopt the soldering ways of connecting, electrode terminal 20 is linked together by the block tin 40 of line style or point-like.

Claims (11)

1. battery pack, this battery pack comprises a plurality of cells (10), described a plurality of cell (10) interconnects by electrode terminal (20), it is characterized in that, be fixedly connected with metalwork (30) around two the described electrode terminals (20) that connect non-conductively, the bond strength of this metalwork (30) and described electrode terminal (20) is greater than the bond strength between the described electrode terminal (20), described metalwork (30) deforms when described electrode terminal (20) is overheated, make described electrode terminal (20) with described metalwork (30) distortion, thereby disconnect the connection between the described electrode terminal (20).
2. battery pack according to claim 1 is characterized in that, connects by welding formation line connection or point between the described electrode terminal (20).
3. battery pack according to claim 1 is characterized in that, forms a fixed connection by the insulating material high temperature resistant, that bond strength is high between described metalwork (30) and the described electrode terminal (20).
4. battery pack according to claim 3 is characterized in that, described insulating material is ceramic bonding material or silicate-type adhesive.
5. battery pack according to claim 1, it is characterized in that, described metalwork (30) comprises a plurality of metal levels with different heat expansion coefficient that are fixedly connected sequentially, outermost metal layer from the innermost layer metal level of fixedlying connected to described metalwork with described electrode terminal (20), the thermal coefficient of expansion of described metal level successively decreases successively, and the bond strength between the described metal level is greater than the bond strength between the described electrode terminal (20).
6. battery pack according to claim 5 is characterized in that, described metalwork (30) is the bimetal leaf that comprises two metal levels.
7. battery pack according to claim 6 is characterized in that, described bimetal leaf is Fe-Ni or Fe-Cu bimetal leaf.
8. battery pack according to claim 1 is characterized in that, described metalwork (30) is a marmem.
9. battery pack according to claim 8 is characterized in that, described metalwork (30) is Cu base or Fe base marmem.
10. according to any described battery pack in the claim 1 to 9, it is characterized in that, described battery pack also comprises insulation nut (50) and screw (60), and described electrode terminal (20) keeps fastening non-conductive be connected by described insulation nut (50) with screw (60) with described metalwork (30).
11. according to any described battery pack in the claim 1 to 9, it is characterized in that, described electrode terminal (20) forms has recess, and described electrode terminal (20) connects at this recess, and described metalwork (30) is formed with the corresponding protuberance of recess with described electrode terminal (20).
CNU2008201834000U 2007-12-25 2008-12-12 Battery unit Expired - Lifetime CN201323216Y (en)

Priority Applications (26)

Application Number Priority Date Filing Date Title
CNU2008201834000U CN201323216Y (en) 2008-12-12 2008-12-12 Battery unit
US12/342,024 US8193770B2 (en) 2007-12-25 2008-12-22 Battery system for a vehicle having an over-current/over-temperature protective feature
US12/342,023 US20090159354A1 (en) 2007-12-25 2008-12-22 Battery system having interconnected battery packs each having multiple electrochemical storage cells
EA201300927A EA201300927A1 (en) 2007-12-25 2008-12-24 BATTERY DEVICE FOR A VEHICLE WITH SEPARATED CONNECTIONS
JP2010540010A JP5566908B2 (en) 2007-12-25 2008-12-24 Battery system for a vehicle having a separable connection
CA2709138A CA2709138C (en) 2007-12-25 2008-12-24 Construction of electrochemical storage cell with expansion member
EA201300926A EA027289B1 (en) 2007-12-25 2008-12-24 Battery system for a vehicle with severable connections
EP13156533.5A EP2618397B1 (en) 2007-12-25 2008-12-24 Battery system for a vehicle with severable connections
KR1020107014218A KR101146662B1 (en) 2007-12-25 2008-12-24 Battery pack comprising electrochemical storage cells and battery system comprising same
EP20130156532 EP2618396A1 (en) 2007-12-25 2008-12-24 Battery system for a vehicle with severable connections
PCT/CN2008/073679 WO2009079965A1 (en) 2007-12-25 2008-12-24 Battery system for a vehicle with severable connections
EP08867970A EP2210297A4 (en) 2007-12-25 2008-12-24 Battery system having interconnected battery packs each having multiple electrochemical storage cells
BRPI0819550-1A BRPI0819550B1 (en) 2007-12-25 2008-12-24 "BATTERY SYSTEM TO STORE ELECTRIC POWER AND SUPPLY ELECTRIC POWER TO A VEHICLE"
EA201300925A EA027352B1 (en) 2007-12-25 2008-12-24 Battery system for a vehicle with severable connections
KR1020107014220A KR101205885B1 (en) 2007-12-25 2008-12-24 Battery system for a vehicle with severable connections
EA201070708A EA022170B1 (en) 2007-12-25 2008-12-24 Battery system for a vehicle with severable connections
JP2010540015A JP5188582B2 (en) 2007-12-25 2008-12-24 Battery system having interconnected battery packs, each having a plurality of electrochemical accumulators
EP08864365.5A EP2223367B1 (en) 2007-12-25 2008-12-24 Battery system for a vehicle with severable connections
BRPI0819538-2A BRPI0819538A2 (en) 2007-12-25 2008-12-24 "battery, battery system and electric vehicle"
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
CA2709114A CA2709114C (en) 2007-12-25 2008-12-24 Battery system for a vehicle with severable connections
EP20130156531 EP2618403A1 (en) 2007-12-25 2008-12-24 Battery system for a vehicle with severable connections
PCT/CN2008/073690 WO2009082957A1 (en) 2007-12-25 2008-12-24 Battery system having interconnected battery packs each having multiple electrochemical storage cells
JP2013144795A JP5843814B2 (en) 2007-12-25 2013-07-10 Battery system
JP2013144796A JP5843815B2 (en) 2007-12-25 2013-07-10 Battery system
JP2013144797A JP5703345B2 (en) 2007-12-25 2013-07-10 Battery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201834000U CN201323216Y (en) 2008-12-12 2008-12-12 Battery unit

Publications (1)

Publication Number Publication Date
CN201323216Y true CN201323216Y (en) 2009-10-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201834000U Expired - Lifetime CN201323216Y (en) 2007-12-25 2008-12-12 Battery unit

Country Status (1)

Country Link
CN (1) CN201323216Y (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103700803A (en) * 2014-01-16 2014-04-02 铂翔超精密模具科技（昆山）有限公司 Battery protection system
CN105161667A (en) * 2015-09-25 2015-12-16 金龙联合汽车工业（苏州）有限公司 Connecting structure and connecting method of lithium battery pole lugs and battery shell
CN106941148A (en) * 2015-10-16 2017-07-11 现代自动车株式会社 Battery unit
CN109560242A (en) * 2017-09-18 2019-04-02 陈葆萱 Protection element and battery pack thereof
CN110168770A (en) * 2017-04-07 2019-08-23 株式会社Lg化学 Battery module with the improvement connection structure between contact conductor and the method for manufacturing the battery module
CN113113563A (en) * 2021-03-29 2021-07-13 东莞新能安科技有限公司 Electrochemical device and electronic device
CN116131037A (en) * 2023-02-24 2023-05-16 深圳市振欢电子有限公司 Explosion-proof type power adapter

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103700803A (en) * 2014-01-16 2014-04-02 铂翔超精密模具科技（昆山）有限公司 Battery protection system
CN105161667A (en) * 2015-09-25 2015-12-16 金龙联合汽车工业（苏州）有限公司 Connecting structure and connecting method of lithium battery pole lugs and battery shell
CN106941148A (en) * 2015-10-16 2017-07-11 现代自动车株式会社 Battery unit
CN106941148B (en) * 2015-10-16 2021-06-15 现代自动车株式会社 Battery unit
CN110168770A (en) * 2017-04-07 2019-08-23 株式会社Lg化学 Battery module with the improvement connection structure between contact conductor and the method for manufacturing the battery module
CN110168770B (en) * 2017-04-07 2021-10-15 株式会社Lg化学 Battery module and method for manufacturing the same
US11245161B2 (en) 2017-04-07 2022-02-08 Lg Chem, Ltd. Battery module with improved connection structure between electrode leads and method for manufacturing the same
CN109560242A (en) * 2017-09-18 2019-04-02 陈葆萱 Protection element and battery pack thereof
CN113113563A (en) * 2021-03-29 2021-07-13 东莞新能安科技有限公司 Electrochemical device and electronic device
CN116131037A (en) * 2023-02-24 2023-05-16 深圳市振欢电子有限公司 Explosion-proof type power adapter
CN116131037B (en) * 2023-02-24 2023-10-20 深圳市振欢电子有限公司 Explosion-proof type power adapter

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Granted publication date: 20091007