CN201975468U - Battery module and battery module group - Google Patents

Battery module and battery module group Download PDF

Info

Publication number
CN201975468U
CN201975468U CN2011200334625U CN201120033462U CN201975468U CN 201975468 U CN201975468 U CN 201975468U CN 2011200334625 U CN2011200334625 U CN 2011200334625U CN 201120033462 U CN201120033462 U CN 201120033462U CN 201975468 U CN201975468 U CN 201975468U
Authority
CN
China
Prior art keywords
battery module
pallet
series
connection
battery
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
CN2011200334625U
Other languages
Chinese (zh)
Inventor
孙晓东
赵远
谢秀峰
孙伟
马克明
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.)
EVPS CHINA Co Ltd
Original Assignee
EVPS CHINA 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 EVPS CHINA Co Ltd filed Critical EVPS CHINA Co Ltd
Priority to CN2011200334625U priority Critical patent/CN201975468U/en
Application granted granted Critical
Publication of CN201975468U publication Critical patent/CN201975468U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Battery Mounting, Suspending (AREA)

Abstract

The utility model discloses a battery module, which comprises two trays, more than two serial and parallel sheets, two current collectors and a plurality of single batteries, wherein a plurality of clamping holes are uniformly formed at the bottom of each tray; a plurality of through holes are formed among the clamping holes; the serial and parallel sheets are fixedly arranged at the bottoms of the trays; the current collectors are fixedly arranged on one side or two sides of the bottom of each tray, and are tightly connected with the serial and parallel sheets through pressure plates; and the two poles of each single battery are limited in the clamping holes at the bottom of each tray respectively; and the two trays are fixedly connected with each other relatively. The utility model also discloses a battery module group, which comprises more than two battery modules and a connecting span bridge, wherein the connecting span bridge is used for connecting more than two battery modules. The battery module has a small size, light weight and a good ventilation effect; and the battery module group has high adaptability, high flexibility and high stability.

Description

Battery module and battery modules
Technical field
The utility model relates to a kind of battery module, relate in particular to a kind of volume little, in light weight, have good ventilation effect and each a cell uniform battery module that confluxes; The utility model also relates to a kind of battery modules, relates in particular to that a kind of adaptability is strong, flexibility is big and the battery modules of stable performance.Belong to the battery module technical field.
Background technology
Compare with orthodox car, electric motor car has remarkable advantages aspect environmental protection.Discarded pollution and noise pollution are that two of internal-combustion engines vehicle pollutes greatly.Electric motor car does not then consume gasoline, no exhaust emission, and low noise, radiation is little, is a kind of desirable cleaning vehicles.Along with the enhancing of the mankind's environmental consciousness, the application of electric motor car is increasingly extensive, thereby the exploitation of electric vehicle electric power battery pack becomes an important problem.
The kind of electrokinetic cell that now can be used for electric automobile is a lot.China Patent No. a kind of single combination of monomers dry storage battery that has been 96210741.7 patent disclosure comprises single cell batteries, connects post, connecting plate, combined clamping groove and securing member, but the characteristics synthetic required storage battery that is random set.China Patent No. a kind of battery modules that has been 200620152371.2 patent disclosure, form by two or more battery modules, the heating panel that accompanies between side plate, several cells and the cell of each battery modules by two ends is formed, shared bracket between the adjacent battery module, characteristics are the consumptions that reduced bracket.Chinese patent application number is that 00262096.0 patent application discloses a kind of square sealing battery fastening assembling structure, mainly comprise short slab, pressing plate and insulating barrier, battery combination has several as required and tens cells combine, insulating barrier is placed in the outside, head and the tail two ends of battery pack, and then places end plate; Respectively put two press strips on two sides, characteristics are to have good heat dissipation ventilation performance.
In the existing battery module, also do not have the battery module of technical comparative maturity, battery module can not be taken into account on the electrical property of optimizing volume, weight, heat dispersion, mechanical strength and each cell, does not also have really to realize the modularization of battery.
The utility model content
A purpose of the present utility model be to provide a kind of volume little, in light weight, have good ventilation effect and each a cell uniform battery module that confluxes.
Another purpose of the present utility model be to provide a kind of volume little, in light weight, have good ventilation effect, each a cell all even combination battery modules flexibly of confluxing.
For realizing main purpose of the present utility model, the utility model provides a kind of battery module, comprises two pallets, two above connection in series-parallel sheets, two collectors and a plurality of cell;
The tray bottom evenly is provided with a plurality of hole clippings, is provided with a plurality of through holes between hole clipping;
The connection in series-parallel sheet is fixedly set in the tray bottom, evenly is provided with a plurality of battery pads corresponding with the hole clipping position and the perforate corresponding with lead to the hole site on the connection in series-parallel sheet;
Collector comprises pressing plate, side plate and electrode, and collector is fixedly set in the one or both sides of tray bottom, closely is connected with the connection in series-parallel sheet that the tray bottom is provided with by pressing plate;
The two poles of the earth of cell are each defined in the hole clipping of tray bottom setting;
Two pallet relative fixed link together.
For realizing another purpose of the present utility model, the utility model provides a kind of battery modules, comprises connecting striding bridge and two above battery modules, connects to stride bridge and two above battery modules are coupled together form a battery modules.
Battery module of the present utility model, tray bottom evenly are provided with a plurality of hole clippings, and the two poles of the earth of cell are each defined in the hole clipping, thereby realize effectively fixing battery; Between hole clipping, be provided with a plurality of through holes, in time dispelled the heat by the through hole battery module; The connection in series-parallel sheet is fixedly set in the tray bottom, evenly is provided with a plurality of battery pads corresponding with the hole clipping position and the perforate corresponding with lead to the hole site on the connection in series-parallel sheet, and the combination of different connection in series-parallel sheets can make the combination of cell flexible and changeable; Collector comprises pressing plate, side plate and electrode, collector is fixedly set in the both sides of same tray bottom or the both sides of different tray bottom according to the integrated mode of cell, closely be connected with the connection in series-parallel sheet that the tray bottom is provided with by pressing plate, thereby what make each cell confluxes evenly the useful life of further having improved each cell; Two pallet relative fixed link together, and make the Stability Analysis of Structures of battery module.
Description of drawings
Fig. 1 is the combination schematic diagram of the utility model battery module one embodiment;
Fig. 2 is the structural representation of the pallet of the utility model battery module one embodiment;
Fig. 3 is that the A-A of pallet among Fig. 2 is to cutaway view;
Fig. 4 is the structural representation of the collector of the another embodiment of the utility model battery module;
Fig. 5 is the structural representation of single string connection in series-parallel sheet of the another embodiment of the utility model battery module;
Fig. 6 is the structural representation of two string connection in series-parallel sheets of the another embodiment of the utility model battery module;
Fig. 7 is the structural representation of the tent of the another embodiment of the utility model battery module;
Fig. 8 is the combination schematic diagram of the utility model battery modules one embodiment;
Fig. 9 is the vertical view of battery modules among Fig. 8.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, battery module of the present utility model and battery modules are further elaborated below in conjunction with drawings and Examples.
Fig. 1 is the combination schematic diagram of the utility model battery module one embodiment, Fig. 2 is the structural representation of the pallet of the utility model battery module one embodiment, Fig. 3 is that the A-A of pallet among Fig. 2 is to cutaway view, Fig. 4 is the structural representation of the collector of the another embodiment of the utility model battery module, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, battery module of the present utility model comprises two pallets 10, two above connection in series-parallel sheets, two collectors 20 and a plurality of cell 80.Pallet 10 bottoms evenly are provided with a plurality of hole clippings 101, are provided with a plurality of through holes 102 between hole clipping 101.The connection in series-parallel sheet is fixedly set in pallet 10 bottoms, with pallet 10 bottoms by screw rod, engage or the mode of embedding is fixed.Evenly be provided with a plurality of battery pads 301,401 corresponding and the perforate 302,402 corresponding on the connection in series-parallel sheet with through hole 102 positions with hole clipping 101 positions.Collector 20 comprises pressing plate 201, side plate 202 and electrode 203, and collector 20 is fixedly set in the one or both sides of pallet 10 bottoms, closely is connected with the connection in series-parallel sheet that pallet 10 bottoms are provided with by pressing plate 201.The two poles of the earth of cell 80 are each defined in the hole clipping 101 of pallet 10 bottoms setting.Two pallet 10 relative fixed link together.
Battery module of the present utility model according to the integrated mode of certain cell, is arranged at the one or both sides of pallet 10 bottoms with collector 20, fixedlys connected with pallet 10 by screw rod, engaging, embedding or other modes.To be fixed on pallet 10 bottoms corresponding to the connection in series-parallel sheet of certain integrated mode, make the position alignment of the hole clipping 101 of battery pad on the connection in series-parallel sheet and pallet 10 bottoms, after making the two poles of the earth of cell 80 be welded on pad on the connection in series-parallel sheet, be each defined in the hole clipping 101 of pallet 10; Through hole 102 position alignment of perforate on the connection in series-parallel sheet and pallet 10 bottoms make battery modules pass through through hole 102 and further dispel the heat.The connection in series-parallel sheet be positioned at collector 20 pressing plate 201 above or below, and fully contact with pressing plate 201, guarantee the confluxing evenly of each cell in the same battery module, thus the fail safe that has improved battery module, strengthen reliability, prolonged the useful life of battery.At last, two pallets 10 are fixed by hinged, engaging, screw rod or other mode relative fixed link together.
The integrated mode of different monomers battery generally has single series connection and two kinds of patterns of two-in-series, and in order to adapt to the needs of certain integrated mode, the connection in series-parallel sheet is designed to two kinds of forms.Fig. 5 is the structural representation of single string connection in series-parallel sheet of the another embodiment of the utility model battery module, Fig. 6 is the structural representation of two string connection in series-parallel sheets of the another embodiment of the utility model battery module, as shown in Figure 5 and Figure 6, the connection in series-parallel sheet comprises two kinds of forms, promptly single string connection in series-parallel sheet 30 and two string connection in series-parallel sheet 40.Connection in series-parallel sheet of the present utility model is single string connection in series-parallel sheet 30 or two string connection in series-parallel sheet 40, can select multi-form connection in series-parallel sheet combination flexibly according to the scheme of battery combination.
When battery module adopts single series model, a single string connection in series-parallel sheet 30 is set respectively in the bottom of two pallets 10; A side of pallet 10 bottoms is provided with a collector 20 therein, and the positive pole/negative pole of all cells pallet 10 interior single string connection in series-parallel sheets that are provided with therewith connects, and these pallet 10 interior collectors 20 that are provided with are as the positive pole/negative pole of battery module; Opposite side in another pallet 10 bottoms, promptly relative with the collector 20 of last pallet 10 opposite side is provided with another collector 20, and to guarantee the confluxing evenly of each cell in the battery module, this another collector 20 is as the negative pole/positive pole of battery module.
When battery module adopts the two-in-series pattern, a single string connection in series-parallel sheet 30 is set in the bottom of a pallet 10; In the bottom of another pallet 10 two two string connection in series-parallel sheets 40 are set, the both sides of another pallet 10 bottoms are provided with two collectors 20 respectively, have guaranteed confluxing evenly of each cell in the battery module.Cell is divided into two groups, and the positive pole/negative pole of one group of cell is connected with one of them two string connection in series-parallel sheet 40, and the collector 20 that two therewith string connection in series-parallel sheets 40 connect is as the positive pole/negative pole of battery module.Negative pole/the positive pole of another Battery pack is connected with another pair string connection in series-parallel sheet 40, and the collector 20 of another pair string connection in series-parallel sheet 40 connections is as the negative pole/positive pole of battery module therewith.
More preferably, for one or both sides collector 20 is convenient, fast and that stably be fixed on pallet 10 bottoms, the both sides of pallet 10 bottoms are provided with the pressing plate groove 103 that cooperates with the pressing plate 201 of collector 20.
More preferably, for the connection in series-parallel sheet is convenient, fast and stably be fixed on pallet 10 bottoms, pallet 10 bottoms are provided with the connection in series-parallel film trap 104 that cooperates with the connection in series-parallel sheet.
More preferably, in order to make up and fix each cell 80 better, make battery module more firm, battery module of the present utility model also comprises two pads 70, the bottom of pad 70 and side have the shape identical with the pressing plate 201 of collector 20 and side plate 202, pad 70 is fixedly set in pallet 10 bottoms the one or both sides of collector 20 is not set, thereby makes battery module steadily fixing.
More preferably; in order to fix and protect each cell 80 better; battery module of the present utility model also comprises two above tents 50; tent 50 is fixed on the side of pallet 10; fixedly connected with the side of pallet 10 by engaging, screw, embedding or other modes; be positioned at the top of connection in series-parallel sheet and collector 20, thereby realized better fixedly connection in series-parallel sheet and collector 20, cell 80 is further shielded.
Fig. 7 is the structural representation of the tent of the another embodiment of the utility model battery module, as Fig. 2 and shown in Figure 7, for aspect, fixing tent 50 fast and stably, the side of tent 50 is provided with slideway 501, two medial surfaces of pallet 10 are provided with the projection 105 that cooperates with described slideway 501, tent 50 is fixed on the side of pallet 10 by the cooperation of slideway 501 and projection 105.
More preferably, for fixing tent 50 better, the both sides of pallet 10 bottoms are provided with screw 106, and tent 50 is fixed on the side of pallet 10 better by screw 106.
More preferably, in order to export the power signal of battery pack easily, the utility model battery module also comprises two binding posts 60, binding post 60 is arranged on the inboard of the electrode 203 of collector 20, the two ends of binding post 60 are individually fixed in pallet 10 bottoms by engaging, screw, embedding or other modes, serve as the leading-out terminal of battery power signal.
More preferably, in order to export the voltage signal of battery pack easily, an end of single string connection in series-parallel sheet 30 is provided with a binding post 303.Binding post 303 is structure as a whole with single string connection in series-parallel sheet 30, perhaps is fixed together with single string connection in series-parallel sheet 30.
More preferably, battery module also comprises a battery module managing unit, the battery module managing unit is arranged at the surface of battery module, fixedly connected with battery module, binding post 60 and/or binding post 303 link to each other by holding wire with the battery module managing unit, battery power signal and/or voltage signal are outputed to the battery module managing unit, thereby further realize monitoring the electric energy and/or the voltage of power module.
The execution mode of battery modules
Fig. 8 is the combination schematic diagram of the utility model battery modules one embodiment, Fig. 9 is the vertical view of battery modules among Fig. 8, as Fig. 8 and shown in Figure 9, battery modules of the present utility model, comprise connecting and stride bridge 2 and above-mentioned battery module 1 more than two, connect and stride bridge 2 two above battery modules 1 are coupled together.
In order to adapt to different needs for electricity, battery modules of the present utility model is striden bridge 2 usefulness nuts 3 by connection and is fixed together, and two above battery module 1 serial or parallel connections is connected, thereby further increased the adaptability and the flexibility of battery modules.
Should be noted that at last that obviously those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these revise and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification.

Claims (14)

1. a battery module is characterized in that: comprise two pallets (10), two above connection in series-parallel sheets (30,40), two collectors (20) and a plurality of cell (80);
Described pallet (10) bottom evenly is provided with a plurality of hole clippings (101), is provided with a plurality of through holes (102) between described hole clipping (101);
Described connection in series-parallel sheet is fixedly set in described pallet (10) bottom, evenly is provided with corresponding battery pad (301,401) in a plurality of and described hole clipping (101) position and the perforate (302,402) corresponding with described through hole (102) position on the described connection in series-parallel sheet;
Described collector (20) comprises pressing plate (201), side plate (202) and electrode (203), described collector (20) is fixedly set in the one or both sides of described pallet (10) bottom, closely is connected with the described connection in series-parallel sheet that described pallet (10) bottom is provided with by described pressing plate (201);
The two poles of the earth of described cell (80) are each defined in the hole clipping (101) of pallet (10) bottom setting;
Two pallet relative fixed link together.
2. battery module according to claim 1 is characterized in that: described connection in series-parallel sheet is single string connection in series-parallel sheet (30) or two string connection in series-parallel sheets (40).
3. battery module according to claim 2 is characterized in that: a described single string connection in series-parallel sheet (30) is set respectively in the bottom of two described pallets (10); A side of a described pallet (10) bottom is provided with a described collector (20) therein, and the opposite side in another described pallet (10) bottom is provided with another described collector (20).
4. battery module according to claim 2 is characterized in that: a described single string connection in series-parallel sheet (30) is set in the bottom of a described pallet (10); In the bottom of another described pallet (10) two described two string connection in series-parallel sheets (40) are set, the both sides of another described pallet (10) bottom are provided with two described collectors (20) respectively.
5. battery module according to claim 1 is characterized in that: the both sides of described pallet (10) bottom are provided with the pressing plate groove (103) that cooperates with described pressing plate (201).
6. battery module according to claim 1 is characterized in that: described pallet (10) bottom is provided with the connection in series-parallel film trap (104) that cooperates with described connection in series-parallel sheet.
7. battery module according to claim 1, it is characterized in that: also comprise two pads (70), the bottom of described pad (70) and side have described pressing plate (201) and the identical shape of described side plate (202) with described collector (20), and described pad (70) is fixedly set in the one or both sides that described pallet (10) bottom is not provided with described collector (20).
8. battery module according to claim 1 is characterized in that: also comprise two above tents (50), described tent (50) is fixed on the side of described pallet (10), is positioned at the top of described connection in series-parallel sheet and described collector (20).
9. battery module according to claim 8, it is characterized in that: the side of described tent (50) is provided with slideway (501), two medial surfaces of described pallet (10) are provided with the projection that cooperates with described slideway (501), and described tent (50) is fixed on the side of described pallet (10) by described slideway (501).
10. it is characterized in that according to Claim 8 or 9 described battery modules: the screw (106) of the both sides of described tent (50) by being arranged on described pallet (10) bottom is fixed on the side of described pallet (10).
11. battery module according to claim 1, it is characterized in that: also comprise two binding posts (60), described binding post (60) is arranged at the inboard of the described electrode (203) of described collector (20), and the two ends of described binding post (60) are individually fixed in described pallet (10) bottom.
12. battery module according to claim 2 is characterized in that: an end of described single string connection in series-parallel sheet (30) is provided with a binding post (303).
13. according to claim 11 or 12 described battery modules, it is characterized in that: also comprise a battery module managing unit, described battery module managing unit is arranged at the surface of battery module, fixedly connected with battery module, described binding post (60) or described binding post (303) link to each other by holding wire with described battery module managing unit.
14. a battery modules is characterized in that: comprise connecting and stride any described battery module (1) in bridge (2) and two the above claims 1~13, described connection is striden bridge (2) two the above battery modules (1) is coupled together.
CN2011200334625U 2011-01-30 2011-01-30 Battery module and battery module group Expired - Lifetime CN201975468U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200334625U CN201975468U (en) 2011-01-30 2011-01-30 Battery module and battery module group

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200334625U CN201975468U (en) 2011-01-30 2011-01-30 Battery module and battery module group

Publications (1)

Publication Number Publication Date
CN201975468U true CN201975468U (en) 2011-09-14

Family

ID=44580565

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200334625U Expired - Lifetime CN201975468U (en) 2011-01-30 2011-01-30 Battery module and battery module group

Country Status (1)

Country Link
CN (1) CN201975468U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102623736A (en) * 2011-01-30 2012-08-01 北京利维能电源设备有限公司 Battery module and battery module group
EP3293789A1 (en) * 2016-09-07 2018-03-14 Thunder Power New Energy Vehicle Development Company Limited Battery system housing with internal busbar
CN109417145A (en) * 2016-06-30 2019-03-01 三洋电机株式会社 Battery block
US10396410B2 (en) 2016-09-07 2019-08-27 Thunder Power New Energy Vehicle Development Company Limited Battery system housing with internal busbar

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102623736A (en) * 2011-01-30 2012-08-01 北京利维能电源设备有限公司 Battery module and battery module group
CN102623736B (en) * 2011-01-30 2014-01-29 北京利维能电源设备有限公司 Battery module and battery module group
CN109417145A (en) * 2016-06-30 2019-03-01 三洋电机株式会社 Battery block
CN109417145B (en) * 2016-06-30 2021-07-20 三洋电机株式会社 Battery block
EP3293789A1 (en) * 2016-09-07 2018-03-14 Thunder Power New Energy Vehicle Development Company Limited Battery system housing with internal busbar
US10396410B2 (en) 2016-09-07 2019-08-27 Thunder Power New Energy Vehicle Development Company Limited Battery system housing with internal busbar
US10700335B2 (en) 2016-09-07 2020-06-30 Thunder Power New Energy Vehicle Development Company Limited Battery system housing with internal busbar

Similar Documents

Publication Publication Date Title
CN205069771U (en) Block structure of lithium ion battery group
KR20120055451A (en) Battery pack of compact structure
CN103346355A (en) Lithium-ion flexible packaged battery pack structure
KR20120055158A (en) Bus bar assembly of novel structure
CN201975468U (en) Battery module and battery module group
CN102623736B (en) Battery module and battery module group
CN106531912B (en) Square battery module
CN202905894U (en) Square lithium ion power battery module
CN202712310U (en) Power battery module
CN103400692B (en) A kind of energy storage type power supply module
CN204966564U (en) Power assembly
CN215184284U (en) End plate of battery module
CN213845422U (en) Lithium ion battery module
CN202871922U (en) Assembly module of lithium ion battery pack
CN205846138U (en) The combinative structure of lithium battery bag
CN211605262U (en) Integrative collection structure of power battery temperature voltage
CN201853773U (en) Rechargeable battery assembling mechanism
CN209607881U (en) A kind of square power battery module of wind-cooling heat dissipating form
CN202797112U (en) Square sealed battery unit
CN207690859U (en) Lithium ion battery, lithium ion battery module and automobile
CN202839814U (en) Novel polymer lithium battery connecting device
CN202142600U (en) Lithium-ion battery cover and battery pole unit connecting structure
CN201303013Y (en) Battery module
CN202189847U (en) Single battery series-connected sub-module
CN209993669U (en) Battery module

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20110914

Effective date of abandoning: 20140129

AV01 Patent right actively abandoned

Granted publication date: 20110914

Effective date of abandoning: 20140129

RGAV Abandon patent right to avoid regrant