CN105810873A - Flexibly packaged battery module with separable combined current collector plates - Google Patents
Flexibly packaged battery module with separable combined current collector plates Download PDFInfo
- Publication number
- CN105810873A CN105810873A CN201610392706.6A CN201610392706A CN105810873A CN 105810873 A CN105810873 A CN 105810873A CN 201610392706 A CN201610392706 A CN 201610392706A CN 105810873 A CN105810873 A CN 105810873A
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- Prior art keywords
- collector plate
- battery module
- soft
- battery
- battery core
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- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a flexibly packaged battery module with separable combined current collector plates, and belongs to the field of battery modules.The flexibly packaged battery module comprises a plurality of battery cells detachably connected with one another.The battery cells are electrically connected with one another by current collector assemblies, and the current collector assemblies comprise the multiple current collector plates detachably connected with one another; each battery cell comprises tabs and is electrically connected with the corresponding current collector plates by the tabs.The flexibly packaged battery module has the advantages that only a certain battery cell needs to be individually detached when required to be repaired, influence on the most other battery cells and the most other current collector plates can be prevented, welded positions of the tabs of the certain battery cell and the corresponding current collector plates can be prevented from being damaged, the flexibly packaged battery module can be used after the certain battery cell is individually detached, welded surfaces of the corresponding current collector plates are polished and then batteries are mounted again, accordingly, the other battery cells and the other current collector plates can be prevented from being damaged in repair procedures, effects of protecting the tabs of the battery cells can be realized, the service life of the flexibly packaged battery module can be prolonged, and the service and maintenance costs can be reduced.
Description
Technical field
The present invention relates to battery modules field, in particular to a kind of soft-package battery module with separate assembling collector plate.
Background technology
Battery modules includes the fixing plate of many Battery packs and the battery core being fixed in battery retaining boards, and battery modules can arbitrarily split assembling, and multiple battery cores are electrically connected by collector plate.
The collector plate of tradition Soft Roll battery modules is integral type collector plate, when in module, certain battery occurs abnormal, change battery and need to disassemble module, multiple battery cores or collector plate under causing keeping in repair due to the integraty of collector plate or needing when maintenance to disassemble simultaneously, battery pole ear can be destroyed when battery is disassembled, cause that the multiple batteries under disassembling cannot re-use, will be destroyed if collector plate is disassembled, it is impossible to be continuing with.
Such as, the patent application that number of patent application is CN200610030464.2 discloses a kind of collecting plate of integrated fuel cell design, the design of this collecting plate of integrated fuel cell includes collector plate, end plate, two groups or more fuel cell pack, collector plate includes the rear end collector plate before central authorities' collector plate and end plate, this central authorities' collector plate is located in the middle of fuel cell pack, and end plate carries out integration packaging by the screw rod fuel cell pack that is fixedly clamped；Hydrogen, air, cooling fluid enter each battery pile from central authorities' collector plate respectively or enter battery pile from the rear end collector plate before each end plate, go out each battery pile from central authorities' collector plate or go out battery pile from the rear end collector plate before each end plate.
From its literature record and Figure of description, its collector plate is integral type structure, very difficult when battery carries out maintenance overhaul, it is necessary to all battery cores is pulled down and can complete this work, it is easily caused battery pole ear to damage, causes that the battery under disassembling cannot be continuing with.Cause battery maintenance use cost high.
Summary of the invention
The invention provides a kind of soft-package battery module with separate assembling collector plate, it is intended to solve the problems referred to above that in prior art, soft-package battery module exists.
The present invention is achieved in that
A kind of soft-package battery module with separate assembling collector plate, including multiple detachable battery cores being connected, multiple described battery cores are electrically connected by afflux assembly, and described afflux assembly includes multiple detachable collector plate being connected；Each described battery core all includes lug, and described battery core is electrically connected with described collector plate by its lug.
Further, multiple described battery cores arrange along thickness direction or the width of battery core, and each described battery core is respectively connected with at least one collector plate.
Further, described battery core includes two lugs, and each lug is respectively connected with collector plate；Multiple described collector plate form the afflux assembly that at least two groups are parallel.
Further, described collector plate includes the fixed part, Plug Division and the connecting portion that are connected, and described fixed part includes weld part, and collector plate is connected with described battery core by described weld part, and described Plug Division and described connecting portion match.
Further, described weld part is tabular, and described Plug Division is U-shaped, and its inversion is connected to described fixed part；Described connecting portion is fixed on the sidepiece of described fixed part.
Further, it is provided with elastic construction inside described Plug Division；
Or, described connecting portion includes the connecting plate being connected with fixed part, and top and the bottom of this connecting plate are equipped with elastic construction；The top of described elastic construction is higher than the inner roof wall of described Plug Division or concordant with the inner roof wall of Plug Division；The bottom of described elastic construction is lower than the top of described fixed part or concordant with the top of fixed part.
Further, described Plug Division is stretching structure, and the top of described connecting plate and bottom are equipped with multiple described elastic construction, and the orientation of multiple described elastic constructions is perpendicular with the draw direction of described Plug Division.
Further, described elastic construction is U-shape structure, forms the buffer part of ring-type between elastic construction and connecting plate.
Further, the lug ends bent of described battery core also forms L-type, and the weld part of described lug and described collector plate is weldingly connected.
Further, multiple described battery cores are fixed in one or more battery mounting；The described battery core being positioned at both sides is connected to side protection lid.
The invention has the beneficial effects as follows: the soft-package battery module with separate assembling collector plate that the present invention is obtained by above-mentioned design, multiple battery cores are arranged, multiple collector plate are coupled together and forms afflux assembly, afflux assembly is connected with battery core, make each battery core be respectively connected with collector plate, make multiple battery core be interconnected；When some battery core needs repairing; individually pull down this battery core; destroy the weld of this cell polar ear and collector plate; individually pulling down this battery core, reinstalling battery after polishing collector plate solder side can use, without influence on other most battery core and collector plate; make other battery cores and collector plate can not be destroyed in maintenance process; play the effect of protection cell polar ear, improve the service life of soft-package battery module, reduce and use and maintenance cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of embodiment of the present invention, the accompanying drawing used required in embodiment will be briefly described below, it is to be understood that, the following drawings illustrate only certain embodiments of the present invention, therefore the restriction to scope it is not construed as, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 is the axonometric drawing of the soft-package battery module with separate assembling collector plate that the embodiment of the present invention 1 provides；
Fig. 2 is the side view of the soft-package battery module with separate assembling collector plate that the embodiment of the present invention 1 provides；
Fig. 3 is the top view of the soft-package battery module with separate assembling collector plate that the embodiment of the present invention 1 provides；
Fig. 4 be the embodiment of the present invention 1 provide there is the axonometric drawing of collector plate in the soft-package battery module of separate assembling collector plate；
Fig. 5 be the embodiment of the present invention 1 provide there is the front view of collector plate in the soft-package battery module of separate assembling collector plate；
Fig. 6 be the embodiment of the present invention 1 provide there is the top view of collector plate in the soft-package battery module of separate assembling collector plate；
Fig. 7 be the embodiment of the present invention 1 provide there is the axonometric drawing of battery mounting in the soft-package battery module of separate assembling collector plate；
Fig. 8 be the embodiment of the present invention 1 provide there is the axonometric drawing of battery core in the soft-package battery module of separate assembling collector plate；
Fig. 9 be the embodiment of the present invention 1 provide there is the front view of battery core in the soft-package battery module of separate assembling collector plate；
Figure 10 be the embodiment of the present invention 1 provide there is the side view of battery core in the soft-package battery module of separate assembling collector plate；
Figure 11 be the embodiment of the present invention 1 provide there is the top view of battery core in the soft-package battery module of separate assembling collector plate；
Figure 12 is the axonometric drawing of the soft-package battery module with separate assembling collector plate that the embodiment of the present invention 2 provides；
Figure 13 be the embodiment of the present invention 2 provide there is the axonometric drawing of battery mounting in the soft-package battery module of separate assembling collector plate；
Figure 14 be the embodiment of the present invention 2 provide there is the axonometric drawing of collector plate in the soft-package battery module of separate assembling collector plate.
Figure acceptance of the bid note is respectively as follows:
Battery core 10；
Lug 101；
Afflux assembly 20；
Collector plate 21；
Fixed part 211；
Plug Division 212；
Connecting portion 213；
Connecting plate 214；
Elastic construction 215；
Buffer part 216；
Battery mounting 40；
Side protection lid 50.
Detailed description of the invention
For making the purpose of embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in embodiment of the present invention, technical scheme in embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.Therefore, below the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit claimed the scope of the present invention, but is merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
In describing the invention, it will be appreciated that, the term of indicating position or position relationship is based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or hint indication equipment or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or integral；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can include the first and second features on or below second feature and directly contact, it is also possible to includes the first and second features and is not directly contact but by the other characterisation contact between them.And, fisrt feature on second feature, above and above include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature under second feature, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level height less than second feature.
Embodiment 1, refers to Fig. 1-Figure 11.
Present embodiments provide a kind of soft-package battery module with separate assembling collector plate, it is possible to referred to as soft-package battery module, it is possible to be applied to multiple fields.
This soft-package battery module includes multiple detachable battery core 10 being connected, and battery core 10 is used for storing electric energy and discharging electric energy, and battery core 10 can be rechargeable type.Multiple battery cores 10 are electrically connected by afflux assembly 20, can multiple battery cores 10 be linked up by afflux assembly 20, synchronous charging or outwards export electric energy.Afflux assembly 20 includes multiple detachable collector plate 21 being connected, each collector plate 21 is independent individuality, the afflux assembly 20 of collector plate 21 composition by being detachably connected, making soft-package battery module can only remove corresponding battery core 10 and collector plate 21 when dismounting maintenance, therefore this collector plate is called separate assembling.
Each battery core 10 all includes lug 101, and battery core 10 is electrically connected with collector plate 21 by its lug 101.It is connected with collector plate 21 by conductive lug 101 so that whole soft-package battery module is the loop of circulation.
The soft-package battery module of this structure is when mounted, multiple battery cores 10 are arranged, multiple collector plate 21 is coupled together and forms afflux assembly 20, afflux assembly 20 is connected with battery core 10, make each battery core 10 be respectively connected with collector plate 21, make multiple battery core 10 be interconnected；When some battery core 10 needs repairing; individually pull down this battery core 10; without influence on other most battery core 10 and collector plate 21; make other battery cores 10 and collector plate 21 can not be destroyed in maintenance process; play the effect of protection battery core 10 and lug 101; improve the service life of soft-package battery module, reduce and use and maintenance cost.
Specifically, multiple battery cores 10 are inline along the thickness direction of battery core, and each battery core 10 is respectively connected with at least one collector plate 21.This battery core 10 arrangement mode is very directly perceived simple, can make stable connection between multiple battery core 10, and battery module structure is compact, small volume.And make to be connected between collector plate 21 with battery core 10 reliably.
More specifically, battery core 10 includes two lugs 101, each lug 101 is respectively connected with collector plate 21；Multiple collector plate 21 form afflux assembly 20 two groups parallel.As it is shown in figure 1, two arrange in a row stream assembly 20 and are arranged on the top of multiple battery core 10, it is preferable that be arranged symmetrically with so that overall structure is attractive in appearance；The end of two collector plate 21 of end is exposed out, conveniently connects electrical equipment or is charged.
The concrete structure of collector plate 21 can be various ways, in some specific embodiments, collector plate 21 is designed such that fixed part 211, Plug Division 212 and the connecting portion 213 that collector plate 21 includes being connected, fixed part 211 includes weld part, collector plate 21 is connected with battery core 10 by weld part, and Plug Division 212 and connecting portion 213 match.Collector plate 21 is connected in battery core 10 by fixed part 211, makes can transmit between collector plate 21 and battery core 10 electric energy；Plug Division 212 and connecting portion 213 match, the two is enable to cooperate, specifically in use, multiple collector plate 21 are sequentially connected, it is positioned at the connecting portion 213 that the Plug Division 212 of the collector plate 21 of rear end is plugged on the collector plate 21 of front end, multiple collector plate 21 is interconnected, and then multiple battery core 10 is connected.
Specifically, in some preferred embodiments, fixed part 211 is tabular, and Plug Division 212 is U-shaped, and its inversion is connected to fixed part 211；Connecting portion 213 is fixed on the sidepiece of fixed part 211.As shown in Figure 4, flat fixed part 211 can conveniently be connected in battery core 10, U-shaped Plug Division 212 is inverted in the chamber defining ring-type on fixed part 211, and connecting portion 213 is positioned at the sidepiece of fixed part 211, conveniently matches with the Plug Division 212 of other collector plate 21.
In collector plate 21, Plug Division 212 and connecting portion 213 match, serve the effect of main electric energy transmission, the concrete structure of connecting portion 213 can also be multiple, alternatively, in certain embodiments: connecting portion 213 includes the connecting plate 214 being connected with fixed part 211, and the top of this connecting plate 214 and bottom are equipped with elastic construction 215；The top of elastic construction 215 is higher than the inner roof wall of Plug Division 212 or concordant with the inner roof wall of Plug Division 212；The bottom of elastic construction 215 is lower than the top of fixed part 211 or concordant with the top of fixed part 211.
Further referring to Fig. 4, connecting plate 214 is connected to the sidepiece of fixed part 211, match with Plug Division 212 for convenience of connecting portion 213, connecting plate 214 includes one section of slab construction and one section of arcuate structure, connecting plate 214 is connected with fixed part 211 by its arcuate structure, enable slab construction to be positioned at higher position, facilitate grafting；At the elastic construction 215 that connecting plate 214 top and bottom are arranged, play main interconnection function；As mentioned above, the elastic construction 215 of this size makes connecting portion 213 can produce certain elastic deformation after being connected with Plug Division 212, makes connecting portion 213 and Plug Division 212 stably to connect so that two collector plate 21 can stably be connected.
Elastic construction 215 can be arranged on connecting portion 213, it is also possible to is arranged on Plug Division 212 internal, can play its effect equally.
More specifically, Plug Division 212 is stretching structure, the top of connecting plate 214 and bottom are equipped with multiple elastic construction 215, and the orientation of multiple elastic constructions 215 is perpendicular with the draw direction of Plug Division 212.The elastic construction 215 of this structure, when connecting Plug Division 212 and connecting portion 213, draw direction along Plug Division 212 inserts connecting plate 214 and elastic construction 215, now elastic construction 215 runs along its length direction, make connecting portion 213 can conveniently insert Plug Division 212, and sufficiently stable after the two is connected.
More specifically, elastic construction 215 is U-shape structure, between elastic construction 215 and connecting plate 214, form the buffer part 216 of ring-type.Compress buffer part 216 when elastic construction 215 produces deformation up or down, make connection more stable.
Battery core 10 is connected with collector plate 21, and specifically, lug 101 ends bent of battery core 10 forms L-type, and the weld part of lug 101 and collector plate is weldingly connected.Lug 101 structure is as shown in Figure 8；Further as it is shown in figure 1, the fixed part 211 of collector plate 21 is pressed between lug 101 and battery core 10, this attachment structure is simple and convenient, can be realized by grafting relation, it is not necessary to can be realized by complicated connector or Joining Technology.When dismantling collector plate 21, the opposite direction along grafting takes off collector plate 21.
Except above-mentioned parts, this soft-package battery module can also include miscellaneous part, for instance, further comprises battery mounting 40 and side protection lid 50, multiple battery cores 10 are fixed in one or more battery mounting 40；The battery core 10 being positioned at both sides is connected to side protection lid 50.Battery mounting 40 plays the effect of protection and the parts such as fixing battery core 10 and collector plate, and its structure is as shown in Figure 7.Side protection lid 50 plays the effect protecting battery core 10 and battery mounting 40 from both sides.Its structure can be as shown in fig. 1, it is also possible to is other structures.Specifically, the lug 101 of weld part and battery core 10 is weldingly connected, and fixed part 211 is fastened by bolts with battery mounting 40 and is connected, and multiple battery cores 10 arrange along its thickness direction in the present embodiment, and each battery core 10 is fixed in a battery mounting 40.Each battery mounting 40 and be fixed in the battery core 10 on battery mounting 40 and collector plate 21 can be removed, has no effect on other battery mountings and accessory structure thereof.
Embodiment 2, refers to Figure 12-Figure 14.
Present embodiments providing a kind of soft-package battery module with separate assembling collector plate, it is substantially away from consistent with the structure of soft-package battery module in embodiment 1 with implementation, and therefore not mentioned part refers to embodiment 1.
In the present embodiment, the structure of soft-package battery module, battery mounting and collector plate is respectively as shown in Figure 12-Figure 14, in this soft-package battery module, battery core is arranged two row along its width, one battery mounting 40 can fix two battery cores 10, afflux assembly defines three row, in the afflux assembly of centrally located string, the structure of collector plate 21 is as shown in figure 14, and it is bilateral symmetry, it is possible to connect two lugs 101 of two battery cores 10.
The foregoing is only the preferred embodiment of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. a soft-package battery module with separate assembling collector plate, it is characterised in that including multiple detachable battery core being connected, multiple described battery cores are electrically connected by afflux assembly, described afflux assembly includes multiple detachable collector plate being connected；Each described battery core all includes lug, and described battery core is electrically connected with described collector plate by its lug.
2. the soft-package battery module with separate assembling collector plate according to claim 1, it is characterised in that multiple described battery cores arrange along thickness direction or the width of battery core, and each described battery core is respectively connected with at least one collector plate.
3. the soft-package battery module with separate assembling collector plate according to claim 2, it is characterised in that described battery core includes two lugs, and each lug is respectively connected with collector plate；Multiple described collector plate form the afflux assembly that at least two groups are parallel.
4. the soft-package battery module with separate assembling collector plate according to claim 1, it is characterized in that, described collector plate includes the fixed part, Plug Division and the connecting portion that are connected, described fixed part includes weld part, collector plate is connected with described battery core by described weld part, and described Plug Division and described connecting portion match.
5. the soft-package battery module with separate assembling collector plate according to claim 4, it is characterised in that described weld part is tabular, and described Plug Division is U-shaped, its inversion is connected to described fixed part；Described connecting portion is fixed on the sidepiece of described fixed part.
6. the soft-package battery module with separate assembling collector plate according to claim 5, it is characterised in that be provided with elastic construction inside described Plug Division；
Or, described connecting portion includes the connecting plate being connected with fixed part, and top and the bottom of this connecting plate are equipped with elastic construction；The top of described elastic construction is higher than the inner roof wall of described Plug Division or concordant with the inner roof wall of Plug Division；The bottom of described elastic construction is lower than the top of described fixed part or concordant with the top of fixed part.
7. the soft-package battery module with separate assembling collector plate according to claim 6, it is characterized in that, described Plug Division is stretching structure, the top of described connecting plate and bottom are equipped with multiple described elastic construction, and the orientation of multiple described elastic constructions is perpendicular with the draw direction of described Plug Division.
8. the soft-package battery module with separate assembling collector plate according to claim 6 or 7, it is characterised in that described elastic construction is U-shape structure, forms the buffer part of ring-type between elastic construction and connecting plate.
9. the soft-package battery module with separate assembling collector plate according to claim 5, it is characterised in that the lug ends bent of described battery core also forms L-type, the weld part of described lug and described collector plate is weldingly connected.
10. the soft-package battery module with separate assembling collector plate according to claim 1, it is characterised in that multiple described battery cores are fixed in one or more battery mounting；The described battery core being positioned at both sides is connected to side protection lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610392706.6A CN105810873B (en) | 2016-05-31 | 2016-05-31 | A kind of soft-package battery module with separate assembling collector plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610392706.6A CN105810873B (en) | 2016-05-31 | 2016-05-31 | A kind of soft-package battery module with separate assembling collector plate |
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| CN105810873A true CN105810873A (en) | 2016-07-27 |
| CN105810873B CN105810873B (en) | 2018-06-05 |
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| CN106299188A (en) * | 2016-09-29 | 2017-01-04 | 常州普莱德新能源电池科技有限公司 | A kind of soft package battery module used for electric vehicle |
| CN106784569A (en) * | 2017-01-17 | 2017-05-31 | 华霆（合肥）动力技术有限公司 | It is easy to the supply unit and electric power system of maintenance |
| CN110061177A (en) * | 2019-05-05 | 2019-07-26 | 昆山长盈精密技术有限公司 | Battery modules connection system |
| CN111512485A (en) * | 2018-03-23 | 2020-08-07 | 重庆金康新能源汽车有限公司 | Integrated battery cell module with plug-in battery cells for electric vehicles |
| CN111900283A (en) * | 2020-06-17 | 2020-11-06 | 深圳市易为派科技有限公司 | Battery shell, battery module and assembling method of battery module |
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| CN111900283A (en) * | 2020-06-17 | 2020-11-06 | 深圳市易为派科技有限公司 | Battery shell, battery module and assembling method of battery module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105810873B (en) | 2018-06-05 |
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Address after: 230000 Anhui Hefei economic and Technological Development Zone, Xin Xin Road, No. 62 power battery factory Patentee after: Huating (Hefei) Power Technology Co., Ltd. Address before: 230000 Hefei 26 Economic Development Zone, Anhui, 5 (Building No. 5) Patentee before: Huating (Hefei) Power Technology Co., Ltd. |