CN212517324U - Lithium ion battery module - Google Patents
Lithium ion battery module Download PDFInfo
- Publication number
- CN212517324U CN212517324U CN202021054264.2U CN202021054264U CN212517324U CN 212517324 U CN212517324 U CN 212517324U CN 202021054264 U CN202021054264 U CN 202021054264U CN 212517324 U CN212517324 U CN 212517324U
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- Prior art keywords
- lithium ion
- ion battery
- battery module
- module
- core
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 85
- 238000005192 partition Methods 0.000 claims abstract description 27
- 238000000638 solvent extraction Methods 0.000 claims abstract description 3
- 238000002347 injection Methods 0.000 claims description 22
- 239000007924 injection Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 20
- 239000012528 membrane Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000001746 injection moulding Methods 0.000 description 22
- 229920003023 plastic Polymers 0.000 description 11
- 239000004033 plastic Substances 0.000 description 11
- 238000007789 sealing Methods 0.000 description 10
- 239000000178 monomer Substances 0.000 description 8
- 238000000465 moulding Methods 0.000 description 8
- 238000004804 winding Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000012943 hotmelt Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920006257 Heat-shrinkable film Polymers 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000037427 ion transport Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
Images
Classifications
-
- 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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- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a lithium ion battery module. This lithium ion battery module includes: the core bodies are roll cores, stacked cores or soft package batteries; one end of each core body is respectively provided with a positive electrode tab and a negative electrode tab, the positive electrode tabs and the negative electrode tabs of the plurality of core bodies realize the serial connection and/or the parallel connection of the core bodies through connecting sheets, and a module total positive electrode and a module total negative electrode are formed; a plurality of partition members each for housing a single core and physically partitioning the respective cores, the partition members having a structure with an upper side opened; the inner space of the shell and the cover plate after assembly is used for containing a plurality of separating parts and cores in the separating parts, and the cover plate is provided with a connecting part of a module total anode and a connecting part of a module total cathode. The utility model discloses a lithium ion battery module obtains the module from the direct assembly of core level, reduces manufacturing cost, improves space utilization, process efficiency.
Description
Technical Field
The utility model relates to a lithium ion battery module especially relates to a directly assemble lithium ion battery module to module by core (roll up the core, fold core or laminate polymer battery), belongs to lithium ion battery technical field
Background
With the development of society, people pay more and more attention to environmental problems, new energy automobile technology is accepted by more and more consumers, and new energy automobiles are expected to gradually replace traditional automobiles in 2020. With the increasing demand of new energy vehicles year by year, the problems of production efficiency, cost, energy density after grouping and the like of batteries are particularly sensitive.
The prior lithium ion battery generally packages and encapsulates each battery cell respectively, and then assembles the battery cells together to form a lithium ion battery module, and the structure has the disadvantages of complex process, low assembly efficiency and low energy density.
SUMMERY OF THE UTILITY MODEL
The technical purpose of the utility model is to provide a lithium ion battery module, the equipment technology of this module is simple relatively, and the packaging efficiency is higher, and energy density is higher, and the cost is comparatively cheap simultaneously.
In order to realize the technical purpose, the utility model provides a lithium ion battery module, this lithium ion battery module includes:
the core bodies are roll cores, stacked cores or soft package batteries; one end of each core body is respectively provided with a positive electrode tab and a negative electrode tab, the positive electrode tabs and the negative electrode tabs of the plurality of core bodies realize the serial connection and/or the parallel connection of the core bodies through connecting sheets, and a module total positive electrode and a module total negative electrode are formed;
a plurality of partition members each for housing a single core and physically partitioning the respective cores, the partition members having a structure with an upper side opened;
the inner space of the shell and the cover plate after assembly is used for containing a plurality of partition parts and cores in the partition parts, and the cover plate is provided with a connecting part of a module total anode and a connecting part of a module total cathode.
The utility model discloses an among some embodiments, the connecting portion of the total anodal connecting portion of module and the connecting portion of the total negative pole of module that set up on the apron can be metal connection piece, respectively with the total anodal and the total negative pole contact of module on the core. The utility model discloses an in other embodiments, the module that sets up on the apron is total anodal connecting portion and the connecting portion of the module total negative pole, also can be the trompil on the apron, and this trompil is used for exposing the module total anodal and the module total negative pole on the core after shell and apron equipment seal.
In the lithium ion battery module of the present invention, preferably, the partition member is a cell case, a partition film, or a partition plate, preferably a partition plate. Wherein, the monomer shell is an injection molding monomer shell formed by PC, PP and ABS; the separating film is a hot-melt sealing separating film formed by PET and PP. In the lithium ion battery module of the present invention, preferably, the lithium ion battery module has 2 to 10 cores.
The utility model discloses an among the lithium ion battery module, preferably, set up the screw on the connection piece between the anodal utmost point ear of core and the negative pole utmost point ear, set up corresponding screw on the apron, the apron passes through the bolt fastening with the connection piece between the anodal utmost point ear of core and the negative pole utmost point ear.
The utility model discloses an among the lithium ion battery module, preferably, this lithium ion battery module still includes the top cap, and the top cap covers the apron and sets up the export of the total anodal export of module and the export of the total negative pole of module.
In the lithium ion battery module of the present invention, preferably, a seal is formed between the cover plate and the opening structure of each partition member, and the cover plate is provided with a liquid injection hole for injecting liquid into the partition member; the number of the liquid injection holes is the same as that of the core bodies.
The utility model discloses an among the lithium ion battery module, preferably, have a plurality of connecting holes on the apron, the connecting hole is used for connecting the external signal line. Meanwhile, the connecting hole can also be used for realizing the connection of the cover plate with the positive pole lug and the negative pole lug.
In the lithium ion battery module of the present invention, preferably, the lithium ion battery module further includes a heating sheet or a liquid cooling plate.
In the lithium ion battery module of the present invention, preferably, the size of the lithium ion battery module is half of the size of the standard battery.
The utility model also provides a lithium ion battery, this lithium ion battery is single the utility model discloses a lithium ion battery module, or contain one or more in this lithium ion battery the utility model discloses a lithium ion battery module.
The utility model discloses a lithium ion battery module can be single directly as lithium ion battery uses, also can be with a plurality of the utility model discloses a lithium ion battery module equipment uses as lithium ion battery, perhaps will the utility model discloses a lithium ion battery module is connected the equipment with other modules and is regarded as lithium ion battery. Wherein, when containing a plurality of modules, the connection form of a plurality of modules can be for buckle connection, bolted connection, for example, adopt the mode of hot melt nut embedding apron to connect.
The utility model discloses a lithium ion battery module has high specific energy, high fail safe nature, wide temperature range, high energy density (200Wh/kg), long-life lithium ion battery. The lithium ion battery module can be applied to the field of electric automobiles, and can also be widely applied to electric bicycles, tricycles, UPS power supplies, automobile starting power supplies, 48V weak mixing or double-voltage systems and the like.
The utility model discloses a lithium ion battery module can design into the plug-in type battery case that only is half of lead-acid batteries case size, or design into the same with lead-acid batteries size, or other sizes and shape. The voltage and power of the lithium ion battery module of the present invention can be compared with standard lead-acid battery, generally 12V 20Ah, but the size (91mm × 76mm × 165mm) can be only half of the size of the standard battery.
The utility model discloses a lithium ion battery Module directly assembles the encapsulation to the core, forms one kind from the core (, roll up the core, fold core or laminate polymer battery) (Jelly-roll) to the battery Module of Module (Module) (JTM technology), has provided a brand-new roll core and has directly arrived the notion (JTM) of Module, directly assembles the power battery who is Module, system from core (roll up the core, fold core or laminate polymer battery). The utility model discloses a lithium ion battery module accomplishes sealed, insulating and ion transmission channel's wall in the core aspect of establishing ties each other to for outside series structure, guarantee holistic leakproofness.
The utility model discloses a lithium ion battery module carries out the cluster/parallelly connected from the core level, and direct assembly is the module, reduces manufacturing cost, improves space utilization.
The utility model discloses a lithium ion battery module outside itself has possessed the subassembly of module assembly, need not to increase extra mounting for the process of system from the module assembly, only increase BMS and relevant pencil can.
The utility model discloses a lithium ion battery module's energy density surpasss 190Wh/kg, and volume utilization ratio improves more than 10% than lithium battery module, and the impedance reduces about 10%, and manufacturing cycle is short, and the cost reduction is about 20%, and normal atmospheric temperature circulation can reach 4000 weeks.
Drawings
Fig. 1 is a schematic structural diagram of a lithium ion battery module according to an embodiment of the present invention.
Fig. 2a is a schematic diagram of a side view structure of a winding core of a lithium ion battery module according to an embodiment of the present invention.
Fig. 2b is a schematic diagram of a 45-degree side view structure of a winding core of a lithium ion battery module according to an embodiment of the present invention.
Fig. 3 is a schematic view of an integrally formed structure of a partition plate of a lithium ion battery module according to an embodiment of the present invention.
Fig. 4 is a schematic front view of a lithium ion battery module according to an embodiment of the present invention.
Fig. 5a is a schematic top view of an injection molding cover plate of a lithium ion battery module according to an embodiment of the present invention.
Fig. 5b is a schematic cross-sectional view of fig. 5a cut along the direction of line L.
Fig. 6 is another schematic structural diagram of a lithium ion battery module according to an embodiment of the present invention.
Fig. 7 is a schematic view of an external structure of a lithium ion battery module according to an embodiment of the present invention.
Fig. 8 is a charging/discharging performance curve of a lithium ion battery module according to an embodiment of the present invention.
Fig. 9 is a cycle performance curve of a lithium ion battery module according to an embodiment of the present invention.
Description of the main figures:
1. injection molding a top cover; 2. connecting holes; 3. a liquid injection hole; 4. a positive electrode connecting sheet; 5. a positive electrode tab; 6. a negative electrode connecting sheet; 7. a negative electrode tab; 8. a single housing; 9. injection molding the housing; 10. injection molding a cover plate; 11. a module total positive electrode; 12. the total negative pole of the module.
Detailed Description
In order to clearly understand the technical features, objects and advantages of the present invention, the following detailed description is given to the technical solution of the present invention, but the technical solution of the present invention is not limited to the limit of the implementable range of the present invention.
The utility model relates to an among the specific embodiment, a lithium ion battery module is provided, this lithium ion battery module includes:
the core bodies are roll cores, stacked cores or soft package batteries; one end of each core body is respectively provided with a positive electrode tab 5 and a negative electrode tab 7; the anode tabs 5 and the cathode tabs 7 of the plurality of cores are connected in series and/or in parallel through connecting sheets, and a module total anode 11 and a module total cathode 12 are formed. The number of cores can be adjusted according to actual voltage requirements.
A plurality of monocoque shells 8 (partition members), each monocoque shell 8 for housing a single core, the respective cores being physically spaced apart, the monocoque shells 8 having an open-sided structure.
The positive connecting sheet 4 of the conductive structure is used for connecting a positive electrode lug 5 of the core body; and the negative electrode connecting sheet 6 of the conductive structure is used for connecting a negative electrode tab 7 of the core body.
The apron 10 of moulding plastics, the structure of appearance dress, fixed core, with mould plastics shell equipment back inner space be used for holding a plurality of monomer casings 8 core in it, mould plastics and form sealedly between the open mouthful structure of upside of apron 10 and monomer casing 8 to, be provided with the connecting portion of the total positive pole 11 of module and the connecting portion of the total negative pole 12 of module on the apron 10 of moulding plastics.
An injection-molded housing 9 serving as an outermost case serving as a protective support for housing the plurality of cell cases 8; and the injection molding top cover 1 is used for covering the injection molding cover plate 10 and the packaging shell.
As shown in fig. 1, a specific embodiment of the present invention provides a lithium ion battery module, which includes 4 winding cores. The winding core is prepared by winding a plurality of small cells through a winding core process and has the structure shown in fig. 2a and 2 b. One end of the winding core is respectively provided with a positive electrode tab 5 and a negative electrode tab 7. The anode tab 5 is connected through an anode connecting sheet 4, and the cathode tab 7 is connected through a cathode connecting sheet 6. The positive connecting piece 4 and the negative connecting piece 6 can be connected in series and/or in parallel. For example, the negative connecting piece of the core is connected with the positive connecting piece of the adjacent core, and the unconnected positive connecting piece and the unconnected negative connecting piece are used as the module total positive connecting piece and the module total negative connecting piece.
The positive connecting sheet 4 and the negative connecting sheet 6 can be connected through bolts, and connecting ports can be respectively arranged on the positive connecting sheet 4 and the negative connecting sheet 6 and used for penetrating through bolts or nuts. Alternatively, the positive connection piece and the negative connection piece may be connected by welding.
In another embodiment of the present invention, the winding core can be replaced by a stacked core or a pouch battery according to actual needs. The stacked core is prepared by a stacked core process for a plurality of small electric cores.
As shown in fig. 1, the 4 cores are individually placed in 4 monocoques 8, the monocoques 8 physically separating the cores, and the 4 cores are spatially placed to complete sealing, insulation, and ion transport channel isolation at the core levels in series and/or parallel with each other. The single housing 8 may be a single plastic shell: the material is not limited herein, and may be a film material for hot-melt sealing of PET and PP, a PVC heat-shrinkable film material, or an injection molding structure of PC, PP, and ABS.
In a preferred embodiment of the present invention, the partition plate may be a plug plate directly inserted into the injection molding housing 9 to partition the inner cavity of the injection molding housing 9 into a plurality of cells; or the division plate is a structure formed by integrally molding the injection-molded shell 9, as shown in fig. 3. When the partition part is the partition plate, an additional shell is not needed for packaging the core body, and the process from the small battery cell to the module can be packaged by only one shell, so that the process and the cost are greatly simplified.
As shown in fig. 1, the lithium ion battery module includes an injection molded cover plate 10. The injection molded cover plate 10 is used to form a seal with the open structure on the upper side of the cell housing 8. The injection molding cover plate 10 is provided with a connecting hole 2, and the connecting hole 2 is used for connecting an external signal wire; meanwhile, the sealing connection of the injection molding cover plate 10 and the positive connecting piece 4 and the negative connecting piece 6 can be realized.
In a specific embodiment of the present invention, the injection molding cover plate 10 is hermetically connected to the positive connection piece 4 and the negative connection piece 6 of the roll core one end. The injection molding cover plate 10 can be connected with the positive connecting plate 4 and the negative connecting plate 6 by bolts, for example, bolts or nuts can pass through the connecting holes 2 and be connected with the positive connecting plate 4 and the negative connecting plate 6, and injection molding sealing is performed at the same time.
In addition, the injection molding cover plate 10 and the injection molding shell 9 are matched with each other to form sealing; ultrasonic thermofusion welding or laser welding may be employed to ensure sealing of the entire housing as well as sealing of the individual cavities (monocoque 8). The injection molding cover plate 10, the positive connecting plate 4 and the negative connecting plate 6 are integrally injection molded, and later-stage assembly is not needed (the nuts connected by the bolts are integrally injection molded, and middle fixing parts such as the positive and negative connecting plates, signal wires and the like need to be added in the bolt connecting process, so that subsequent processing and assembly are needed).
Meanwhile, the injection cover plate 10 is provided with a liquid injection hole 3 for injecting liquid into the monomer shell and exhausting gas. Electrolyte can be injected according to actual needs. The number of the liquid injection holes 3 is the same as that of the monomer shells, so that the liquid injection holes and the corresponding monomer shells 8 can be independently controlled. In addition, each liquid injection hole 3 is provided with a liquid injection hole sealing sheet for realizing the sealing of the module. Annotate the porose and become to seal through annotating liquid hole mounting after accomplishing to use the apron 10 of moulding plastics will annotate liquid hole mounting closing cap, when the gas pressure in the use was too big, annotate liquid hole mounting and can bounce off and exhaust, discharge through the tiny hole of moulding plastics between the apron, notes liquid hole mounting after the exhaust can the reconversion. Fig. 5a shows a top view of the injection molded cover plate 10. FIG. 5b is a cross-sectional view of the injection cover plate 10 at the position of the line injection hole 3.
As shown in fig. 4, the injection molding cover plate 10 has a connection portion of a module total positive electrode 11 and a connection portion of a module total negative electrode 12, and a positive electrode lug and a negative electrode lug are respectively welded as a positive electrode conductive structure and a negative electrode conductive structure of the whole module.
As shown in fig. 6, the lithium ion battery module comprises an injection molded outer shell 9 and an injection molded top cover 1. Wherein the injection molded outer housing 9 is adapted to house a plurality of cell housings 8; the injection molding top cover 1 is characterized in that the injection molding top cover 1 covers the injection molding cover plate 10 and is provided with an outlet of a module total anode 11 and an outlet of a module total cathode 12; may also be used to encapsulate the injection molded housing 9. Wherein, the top cap 1 of moulding plastics can fix the encapsulation through embedment glue with the shell 9 of moulding plastics, guarantees the sealed of module.
The utility model discloses an among the embodiment, adopt sealed glue will mould plastics apron 10, top cap 1 and the shell 9 of moulding plastics encapsulates, can adopt supersound hot melt welding mode or laser welding mode to seal simultaneously. The connecting holes 2 and other connectors and poles are sealed by sealant.
In an embodiment of the present invention, the module in the above embodiment is directly used as a lithium ion battery, as shown in fig. 7. In another embodiment of the present invention, 2 or more lithium ion battery modules as shown in fig. 7 may be assembled together and used as a lithium ion battery. Alternatively, one or more lithium ion battery modules as shown in fig. 7 may be assembled with another lithium ion battery module and used as a lithium ion battery.
In another embodiment of the present invention, the lithium ion battery module may further include a heating plate and a liquid cooling plate according to actual needs. And the thermal management system of the external design module is matched to realize higher efficiency. Wherein, can be arranged in the middle of each monomer shell 8, and can also be arranged at the lower part of the whole module to respectively play the role of heating or heat dissipation.
In another embodiment of the present invention, the heating sheet may be a metal sheet, graphene or PTC sheet. Due to the built-in heating piece, the lithium ion battery module can be used in an extremely low temperature environment, and the defect that the lithium ion battery is difficult to use in a cold region is overcome.
The lithium ion battery module shown in fig. 1 was tested. The charge-discharge curve is shown in FIG. 8, and the capacity of 0.33C can reach 21.1 Ah. The voltage range of the normal single battery cell is 2.0-3.65, and the voltage range of the module produced by the series connection of the embodiment can reach 8.0-14.4. Fig. 9 shows the cycle performance of the lithium ion battery module shown in fig. 1, which can reach 4000 weeks at 25 ℃.
Claims (10)
1. A lithium ion battery module, wherein the lithium ion battery module comprises:
the core bodies are roll cores, stacked cores or soft package batteries; one end of each core body is respectively provided with a positive electrode tab and a negative electrode tab, the positive electrode tabs and the negative electrode tabs of the plurality of core bodies realize the serial connection and/or the parallel connection of the core bodies through connecting sheets, and a module total positive electrode and a module total negative electrode are formed;
a plurality of partition members each for housing a single core and physically partitioning the respective cores, the partition members having a structure with an upper side opened;
the inner space of the shell and the cover plate after assembly is used for containing a plurality of partition parts and cores in the partition parts, and the cover plate is provided with a connecting part of a module total anode and a connecting part of a module total cathode.
2. The lithium ion battery module of claim 1, wherein the partition member is a cell casing, a partition membrane, or a partition plate.
3. The lithium ion battery module of claim 1, wherein the lithium ion battery module has 2-10 cores.
4. The lithium ion battery module of claim 1, wherein the connecting plate between the positive electrode tab and the negative electrode tab of the core body is provided with a screw hole, the cover plate is provided with a corresponding screw hole, and the cover plate and the connecting plate between the positive electrode tab and the negative electrode tab of the core body are fixed by bolts.
5. The lithium ion battery module of claim 1, further comprising a top cover covering the cover plate and providing an outlet for a module aggregate positive electrode and an outlet for a module aggregate negative electrode.
6. The lithium ion battery module of claim 1, wherein a seal is formed between the cover plate and the open mouth structure of each partition member, and a liquid injection hole is provided in the cover plate for injecting liquid into the partition members.
7. The lithium ion battery module of claim 6, wherein the number of the liquid injection holes is the same as the number of the core bodies.
8. The lithium ion battery module of claim 1, wherein the cover plate has a plurality of connection holes for connecting external signal lines.
9. The lithium ion battery module of claim 1, further comprising a heat patch or a liquid cooled plate.
10. The lithium ion battery module of claim 1, wherein the size of the lithium ion battery module is half of the standard battery size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021054264.2U CN212517324U (en) | 2020-06-10 | 2020-06-10 | Lithium ion battery module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021054264.2U CN212517324U (en) | 2020-06-10 | 2020-06-10 | Lithium ion battery module |
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| CN212517324U true CN212517324U (en) | 2021-02-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021249415A1 (en) * | 2020-06-10 | 2021-12-16 | 合肥国轩高科动力能源有限公司 | Lithium-ion battery and preparation method therefor |
| WO2021249416A1 (en) * | 2020-06-10 | 2021-12-16 | 合肥国轩高科动力能源有限公司 | Lithium ion battery module and application thereof |
| TWI778625B (en) * | 2021-05-14 | 2022-09-21 | 達璞股份有限公司 | Battery box and battery assembly |
-
2020
- 2020-06-10 CN CN202021054264.2U patent/CN212517324U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021249415A1 (en) * | 2020-06-10 | 2021-12-16 | 合肥国轩高科动力能源有限公司 | Lithium-ion battery and preparation method therefor |
| WO2021249416A1 (en) * | 2020-06-10 | 2021-12-16 | 合肥国轩高科动力能源有限公司 | Lithium ion battery module and application thereof |
| TWI778625B (en) * | 2021-05-14 | 2022-09-21 | 達璞股份有限公司 | Battery box and battery assembly |
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