CN212136552U - Battery pack, battery pack and battery module - Google Patents
Battery pack, battery pack and battery module Download PDFInfo
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- CN212136552U CN212136552U CN202021243547.1U CN202021243547U CN212136552U CN 212136552 U CN212136552 U CN 212136552U CN 202021243547 U CN202021243547 U CN 202021243547U CN 212136552 U CN212136552 U CN 212136552U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a battery pack, a battery pack and a battery module, wherein, the battery pack comprises a laminated bearing sheet and a battery cell, the battery cell is fixed on the bearing sheet, a first tab of the battery cell is positioned on a first side surface of the battery cell, and a second tab of the battery cell is positioned on a second side surface of the battery cell; the carrier sheet comprises a first side edge and a second side edge which are oppositely arranged, a first avoidance structure is arranged on the first side edge to avoid a first tab of the battery cell, and a second avoidance structure is arranged on the second side edge to avoid a second tab of the battery cell. The pole lug of the battery cell can not be in contact with the bearing sheet to cause short circuit due to the avoidance structure, so that the normal work of the battery cell is protected, and the safety of the battery module in the working process is improved.
Description
Technical Field
The utility model relates to a lithium ion battery technical field especially relates to a battery pack, group battery and battery module.
Background
A lithium ion Energy Storage System (BESS) is the most widely applied Energy Storage System, and in comparison, the BESS has the advantages that: firstly, the cost is low, the technology is mature, and the charge-discharge multiple is high; secondly, the modularity is good, and the distributed energy storage device can be used.
At present, connect a plurality of battery pack through the connecting piece usually among the lithium ion battery module, at the connection process, the utmost point ear of electricity core contacts or collides with the connecting piece easily, when the connecting piece was made by metal conducting material, leads to the utmost point ear short circuit of electricity core easily, influences battery module's normal work.
It can be seen that the structural safety of the prior art battery pack is low.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a battery pack, group battery and battery module, the lower problem of battery pack's structure security among the prior art has been solved.
In order to achieve the above object, in a first aspect, an embodiment of the present invention provides a battery module, including a stacked carrier sheet and a battery cell, where the battery cell is fixed on the carrier sheet, a first tab of the battery cell is located on a first side surface of the battery cell, a second tab of the battery cell is located on a second side surface of the battery cell, and the first side surface and the second side surface are arranged opposite to each other;
the carrier sheet comprises a first side edge and a second side edge which are oppositely arranged, a first avoidance structure is arranged on the first side edge to avoid a first tab of the battery cell, and a second avoidance structure is arranged on the second side edge to avoid a second tab of the battery cell.
Optionally, the battery assembly further includes foam, and the foam is attached to a side surface of the battery cell, which faces away from the carrier sheet.
Optionally, the carrier sheet further includes a third side and a fourth side, which are oppositely disposed, the third side is adjacent to the first side, and the third side and the fourth side are both provided with a fixing member;
under the condition that the battery assembly is the first battery assembly, the first battery assembly can be fixedly connected with the second battery assembly through the fixing piece, and the second battery assembly is the battery assembly which is arbitrarily adjacent to the first battery assembly.
Optionally, the third side and the fourth side are respectively bent towards the battery cell to form a bending portion, and the side of the bending portion, which faces away from the battery cell, is provided with the fixing member.
Optionally, a through hole is formed in a side surface of the bent portion, which faces away from the battery cell, and a first buckle is arranged on a hole wall of the bent portion, which forms the through hole;
under the condition that the battery pack is the first battery pack, the first buckle of the first battery pack can be connected with the through hole of the second battery pack in a clamping mode, and the second battery pack is the battery pack which is adjacent to the first battery pack at will.
Optionally, a clamping groove is formed in the side surface of the bent part, which faces away from the electric core, and a second buckle is arranged on the groove wall of the bent part, which forms the clamping groove;
under the condition that the battery pack is the first battery pack, the second buckle of the first battery pack can be connected with the clamping groove of the second battery pack in a clamping mode, and the second battery pack is the battery pack which is adjacent to the first battery pack at will.
Optionally, a side surface of the bent portion facing the battery cell is provided with a limiting rib, and a side surface of the battery cell facing the bent portion is provided with a groove matched with the limiting rib; and/or
The orientation of kink be provided with the recess on the side of electric core, the orientation of electric core seted up on the side of kink with the spacing muscle of recess adaptation.
Optionally, the bearing sheet is an aluminum sheet, and the bearing sheet is bonded to the battery core through a heat conducting adhesive.
In a second aspect, the embodiment of the present invention further provides a battery pack, including at least one battery assembly, the battery assembly is the embodiment of the present invention provides a battery assembly, the at least one battery assembly is through each the stack connection of the carrier sheet of the battery assembly.
The embodiment of the utility model provides a still provide a battery module, include the embodiment of the utility model provides a group battery that the second aspect provides.
One of the above technical solutions has the following advantages or beneficial effects:
the embodiment of the utility model provides a battery pack, group battery and battery module, wherein, battery pack includes range upon range of carrier plate and electric core, and the electric core is fixed in the carrier plate, and the first utmost point ear of electric core is located the first side of electric core, and the second utmost point ear of electric core is located the second side of electric core; the carrier sheet comprises a first side edge and a second side edge which are oppositely arranged, a first avoidance structure is arranged on the first side edge to avoid a first tab of the battery cell, and a second avoidance structure is arranged on the second side edge to avoid a second tab of the battery cell. The pole lug of the battery cell can not be in contact with the bearing sheet to cause short circuit due to the avoidance structure, so that the normal work of the battery cell is protected, and the safety of the battery module in the working process is improved.
Drawings
Fig. 1 is an exploded view of a battery assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a carrier sheet in a battery assembly according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a stack of battery modules according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
fig. 5 is a schematic perspective view of a battery pack according to an embodiment of the present invention;
fig. 6 is an exploded view of a battery module according to an embodiment of the present invention;
fig. 7 is a schematic view illustrating an installation of a bus bar and a battery pack according to an embodiment of the present invention;
fig. 8 is a schematic perspective view of a battery module according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 4, an embodiment of the present invention provides a battery assembly 100.
As shown in fig. 1, the battery assembly 100 includes a laminated carrier sheet 110 and a battery cell 120, where the battery cell 120 is fixed on the carrier sheet 110, a first tab of the battery cell 120 is located on a first side surface of the battery cell 120, and a second tab of the battery cell 120 is located on a second side surface of the battery cell 120, where the first side surface is opposite to the second side surface;
the carrier sheet 110 includes a first side and a second side which are oppositely arranged, the first side is provided with a first avoidance structure to avoid a first tab of the battery cell 120, the second side is provided with a second avoidance structure to avoid a second tab of the battery cell 120.
The first tab may be understood as a positive tab of the battery cell 120, and the second tab may be understood as a negative tab of the battery cell 120, of course, the first tab may also be understood as a negative tab of the battery cell 120, and the second tab may be understood as a positive tab of the battery cell 120.
In the embodiment of the present invention, as shown in fig. 1, the battery assembly 100 includes a carrier sheet 110 and an electric core 120. The battery cell 120 is fixed on the carrier sheet 110, specifically, the battery cell 120 may be bonded and fixed by an insulating adhesive, or the battery cell 120 may be fixed by a carrier on the carrier sheet 110, which is not limited herein. Therefore, the battery core 120 is fixed on the carrier sheet 110 and is not easy to loose and displace, and the overall stability of the battery module is improved.
In the embodiment of the present invention, two tabs of the electric core 120 are respectively located at two sides, and the two sides of the tab of the electric core 120 close to the carrier sheet 110 are all provided with the avoiding structure 111, as shown in fig. 2. When the carrier sheet 110 is a metal sheet such as an aluminum sheet, the tab of the battery cell 120 will not be in contact with the carrier sheet 110 and short-circuited due to the existence of the avoiding structure 111, so that the normal operation of the battery cell 120 is protected, and the safety of the battery module in the working process is further improved.
Optionally, as shown in fig. 1, the battery assembly 100 further includes a foam 130, and the foam 130 is attached to a side of the battery cell 110 facing away from the carrier sheet 120.
In this embodiment, the foam 130 is attached to the side of the battery cell 120 facing away from the carrier sheet 110, the foam 130 is thin and has elasticity, and a certain amount of compression is initially applied to the foam 130, and then if the plurality of battery modules are connected in a stacked manner as shown in fig. 3, the elastic force generated by the compression of the foam 130 will apply a certain pre-pressure to the battery cell 120, so that the expansion of the battery cell 120 in the working process can be reduced; in addition, even if the battery cell 120 expands during operation, the foam 130 may continue to compress to provide a certain expansion space for the battery cell 120, so as to reduce the risk of expansion and explosion of the battery cell 120, and further improve the safety of the battery cell 120 during operation.
Optionally, the carrier sheet 110 further includes a third side and a fourth side, which are oppositely disposed, the third side is adjacent to the first side, and the third side and the fourth side are both provided with a fixing member;
under the condition that the battery assembly is the first battery assembly, the first battery assembly can be fixedly connected with the second battery assembly through the fixing piece, and the second battery assembly is the battery assembly which is arbitrarily adjacent to the first battery assembly.
In this embodiment, when a plurality of battery modules are required to form a battery pack, the plurality of battery modules can be connected and fixed by the fixing member on the carrier sheet 110.
Further, the third side and the fourth side are respectively bent toward the battery cell 120 to form a bending portion, and the side of the bending portion, which faces away from the battery cell 120, is provided with the fixing member.
In this embodiment, as shown in fig. 2, the first side edge and the second side edge of the carrier sheet 110 are bent towards the electrical core 120 to form bent portions, and the bent portions can surround the side surfaces of the electrical core 120, so as to accommodate and fix the electrical core 120 on the carrier sheet 110, thereby protecting the electrical core 120 from contacting or scratching with a cover body or a housing or other structures of the battery module; and, set up the mounting on the kink, when a plurality of battery pack interconnect, can not influence electric core 120 equally, improve the security of electric core 120 work.
Optionally, a through hole 112 is formed in a side surface of the bent portion, which faces away from the battery cell, and a first buckle 113 is arranged on a hole wall of the bent portion, which forms the through hole 112;
under the condition that the battery pack is a first battery pack, the first buckle 113 of the first battery pack can be clamped with the through hole 112 of the second battery pack, and the second battery pack is any adjacent battery pack to the first battery pack.
In this embodiment, when a plurality of battery modules form a battery pack, the plurality of battery modules can be connected and fixed by the clamping structure arranged on the bending part.
Specifically, as shown in fig. 2 and fig. 4, the bending portion may be formed with a through hole 112, a first buckle 113 is disposed on a hole wall of the bending portion, where the through hole 112 is formed, and the first buckle 113 may be located on a side of the hole wall of the bending portion, where the through hole 112 is formed, which is far away from the battery cell 120. Aiming at any adjacent first battery pack B and second battery pack C, the through hole 112 of the first battery pack B can be clamped with the first buckle 113 of the second battery pack C, so that the first battery pack B and the second battery pack C are fixedly connected. The buckle structure enables the assembly among the battery components to be simpler, the connection to be stable, and meanwhile, the buckle structure enables the battery components to be connected in a stacking mode to reduce the area of a plane space occupied by the battery pack.
In some embodiments, a plurality of limiting ribs can be arranged in the through hole 112 at intervals, in specific implementation, the first buckle 113 and the limiting ribs with different intervals in the through hole 112 can be controlled to be clamped as required to adjust the connection interval between the battery assemblies, and further the length of the stacked battery packs can be effectively controlled.
Optionally, a clamping groove is formed in a side surface of the bent portion, which faces away from the electrical core 120, and a second buckle is arranged on a groove wall of the bent portion, which forms the clamping groove;
under the condition that the battery pack is the first battery pack, the second buckle of the first battery pack can be connected with the clamping groove of the second battery pack in a clamping mode, and the second battery pack is the battery pack which is adjacent to the first battery pack at will.
In this embodiment, a clamping groove may be formed on a side of the bending portion facing away from the electrical core 120, a second buckle may be formed on a groove wall of the clamping groove, the second buckle may be located on one side of the groove wall of the bending portion forming the clamping groove, which is close to the electrical core 120, and for any adjacent first battery assembly D and second battery assembly E, the clamping groove of the first battery assembly D may be clamped with the second buckle of the second battery assembly E, so as to fix the first battery assembly D and the second battery assembly E. The buckle structure can also enable a plurality of battery components to be connected in a stacking mode, the assembly is simpler, and the connection is more stable.
In some embodiments, a plurality of limiting ribs can be arranged in the clamping groove at intervals, in specific implementation, the second buckle and the limiting ribs at different intervals in the clamping groove can be controlled to be clamped as required, so that the connection interval between each battery pack can be adjusted, and the length of the battery pack stack can be effectively controlled.
It is understood that the fixing member provided on the bending portion is not limited to the implementation form in the above embodiments, and is not limited in any way.
Optionally, a side of the bent portion facing the battery cell 120 is provided with a limiting rib 114, and a side of the battery cell facing the bent portion is provided with a groove adapted to the limiting rib 114; and/or
A groove is formed in the side face, facing the battery cell 120, of the bent portion, and a limiting rib matched with the groove is formed in the side face, facing the battery cell 120, of the bent portion.
In this embodiment, the position of electric core 120 on carrier sheet 110 is injectd to the cooperation of the spacing muscle of accessible and recess on the kink towards the side of electric core, further improves the steadiness between carrier sheet 111 and electric core 112, has further improved the security in the battery module working process.
Specifically, at least three implementation forms can be included: firstly, as shown in fig. 2, a side surface of the bent portion facing the battery cell 120 is provided with a limiting rib 114, and a side surface of the battery cell facing the bent portion is provided with a groove adapted to the limiting rib 114; secondly, a groove is formed in the side surface of the bent part facing the battery cell 120, and a limiting rib matched with the groove is formed in the side surface of the battery cell facing the bent part; and thirdly, spacing ribs and grooves are arranged on the side surface of the bent part facing the battery cell 120 at intervals, the battery cell faces the positions corresponding to the spacing ribs on the side surface of the bent part, and the spacing ribs are arranged on the positions corresponding to the grooves.
Optionally, the carrier sheet 110 is an aluminum sheet, and the carrier sheet 110 and the battery core 120 are bonded through a heat conducting adhesive.
In this embodiment, the carrier sheet 110 may also be made of other metal sheets with heat dissipation characteristics besides aluminum sheets, which is not limited herein. The carrier sheet 110 and the battery cell 120 may be bonded and fixed by a thermal conductive adhesive, so that when the battery cell 120 is carried, heat released by the battery cell 120 during operation can be conducted, and heat dissipation of the battery cell 120 is realized.
In summary, the battery assembly 100 includes a laminated carrier sheet 110 and a battery cell 120, the battery cell 120 is fixed on the carrier sheet 110, a first tab of the battery cell 120 is located on a first side surface of the battery cell 120, and a second tab of the battery cell 120 is located on a second side surface of the battery cell 120; the carrier sheet 110 includes a first side and a second side which are oppositely arranged, the first side is provided with a first avoidance structure to avoid a first tab of the battery cell 120, the second side is provided with a second avoidance structure to avoid a second tab of the battery cell 120. The pole ear of the battery cell 120 will not contact with the carrier sheet 110 due to the avoidance structure 111 to cause short circuit, so that the normal operation of the battery cell 120 is protected, and the safety of the battery module in the working process is improved.
As shown in fig. 5, the embodiment of the present invention further provides a battery pack.
The battery pack includes at least one battery assembly 100 provided as the above-described embodiment shown in fig. 1 to 4, and the at least one battery assembly is stacked and connected by the carrier sheet 110 of each battery assembly 100.
In the embodiment of the present invention, the battery pack includes all the technical features of the battery assembly 100 provided in the embodiment shown in fig. 1 to fig. 4, and can achieve all the technical effects that can be achieved by the battery assembly 100 provided in the embodiment shown in fig. 1 to fig. 4, and for avoiding repetition, the details are not repeated herein.
As shown in fig. 6, the embodiment of the present invention further provides a battery module.
The battery module includes the battery pack provided as the above embodiment shown in fig. 5.
In the embodiment of the present invention, the battery module includes all technical features of the battery pack as provided in the embodiment shown in fig. 5, and can realize all technical effects as realized in the battery pack as provided in the embodiment shown in fig. 5, and for avoiding repetition, the description is omitted here.
The structure and assembly process of the battery module are described in the following with a complete embodiment:
the battery module comprises a battery pack, a bus bar and a flexible circuit board;
the battery pack is formed by mutually laminating and connecting a plurality of battery components, and each battery component comprises a bearing sheet, a battery cell and foam which are sequentially laminated; the lugs of each battery cell are positioned at two sides; the load bearing sheet is an aluminum sheet capable of dissipating heat, the electric core is fixed through heat conducting glue, the first side edge and the second side edge, which are opposite to the load bearing sheet, are bent towards the electric core to form bent parts, the bent parts can protect the electric core, meanwhile, the load bearing members arranged on the bent parts can limit the position of the electric core on the load bearing sheet, the stability between the electric core and the load bearing sheet is improved, in addition, the bent parts are provided with buckles, and all the battery components can be connected in a laminating way through the buckles on; the third side edge and the fourth side edge of the bearing sheet, which are opposite to each other, are provided with avoidance structures for avoiding the lugs of the battery cell, so that the lugs of the battery cell are prevented from being in contact with the bearing sheet to cause short circuit; the foam cotton is attached to the side surface of the battery cell, which is back to the bearing sheet, has elasticity, can be compressed in advance to enable the foam cotton to have a certain compression amount, the elastic force generated by the compression of the foam cotton can prevent the battery cell from expanding, and even if the battery cell expands, the compression of the foam cotton can provide a certain expansion space;
the two bus bars are respectively fixed on the first side surface and the second side surface of the battery pack through upright posts on the insulating supports; the insulating bracket is provided with a plurality of limiting grooves, the copper bar comprises a plurality of copper sheets which are mutually connected, and the head of each copper sheet is designed to be a sharp corner; the copper bar is provided with a first end and a second end, the first end is provided with a first limiting plate, the second end is provided with a second limiting plate, and the included angle formed between the first limiting plate and the second limiting plate is matched with the sharp-angled head of the copper bar; the side wall of each limiting groove is provided with a buckle, and the buckle can further fix the copper sheet; a through groove is formed in the bottom of the limiting groove, and a tab of a battery cell in the battery pack can pass through the through groove to be connected with the copper sheet;
the flexible circuit board comprises a first side edge, a second side edge and a connector, the flexible circuit board is bent towards the battery pack to be in a shape like a Chinese character 'ji', positive and negative electrode signal acquisition nickel sheets on the first side edge and the second side edge are respectively fixed on two opposite side surfaces of the battery pack through busbars, and the first side edge and the second side edge are electrically connected through the connector; the positive electrode signal acquisition nickel sheet on the first side edge and/or the second side edge is connected with a positive electrode tab of the battery cell, and the negative electrode signal acquisition nickel sheet on the first side edge and/or the second side edge is connected with a negative electrode tab of the battery cell so as to acquire information such as voltage signals, temperature signals and the like of the positive electrode and the negative electrode of the battery cell and transmit the information to the BMS for processing; the fixing piece on the flexible circuit board can be matched with the limiting rib on the busbar to realize fixation;
as shown in fig. 6 and 7, the assembly process of the battery module is as follows:
1) assembling the battery assembly 100, fixing the electric core 120 on the carrier sheet 110 through the heat-conducting glue, and further fixing the electric core through the carrier on the carrier sheet 110, and attaching the pre-compressed foam 130 on the electric core 120;
2) assembling a battery pack, namely laminating, connecting and fixing a plurality of assembled battery assemblies 100 through a buckle structure on a bearing sheet 110 of each battery assembly;
3) assembling a busbar 200, namely assembling the busbar 200 to a first side surface and a second side surface of the battery pack from the side surfaces, adjusting the position of the busbar 200 to ensure that lugs of electric cores 120 in the battery pack are correspondingly inserted into limiting grooves of the busbar 200 one by one to be connected with copper sheets, and then fixing the busbar 200 with the battery pack through upright posts on the busbar 200;
4) assembling the flexible circuit board 300, covering a mylar sheet 400 on the third side of the battery pack to insulate the battery pack from the flexible circuit board 300; then, the flexible circuit board 300 is bridged on the battery pack from the direction of the first side face of the battery pack, wherein the first side edge and the second side edge of the flexible circuit board 300 are fixed through limiting ribs on the busbar 200, a positive electrode signal acquisition nickel sheet and a negative electrode signal acquisition nickel sheet on the flexible circuit board 300 are respectively and correspondingly connected with copper sheets, and then the first side edge and the second side edge are pressed tightly by using insulating pressing sheets;
5) assembling an insulating sleeve 500, and sleeving the insulating sleeve 500 outside the fixed battery pack and the flexible circuit board 300;
6) assembling a shell 600, and sleeving a metal shell 600 made of an aluminum type material outside an insulating sleeve 500;
7) assembling a front cover 710 and a rear cover 720, wherein the front cover 710 is correspondingly installed on a first side surface of the battery pack, the rear cover 720 is correspondingly installed on a second side surface of the battery pack, and during assembly, positive and negative electrode fool-proofing components on the busbar 500 are corresponding to positive and negative electrode fool-proofing components on the front cover 710 and the rear cover 720;
8) the front fixing plate 810 and the rear fixing plate 820 are assembled, the front fixing plate 810 and the rear fixing plate 820 made of aluminum alloy are welded to the housing 600 respectively, and are fixed to the outer package of the battery module through bolt holes formed in the front fixing plate 810 and the rear fixing plate 820, and the assembled battery module can be as shown in fig. 8.
To sum up, the utility model provides a battery pack, a battery pack and a battery module, wherein, the battery pack comprises a laminated bearing sheet and a battery cell, the battery cell is fixed on the bearing sheet, a first tab of the battery cell is positioned on a first side surface of the battery cell, and a second tab of the battery cell is positioned on a second side surface of the battery cell; the carrier sheet comprises a first side edge and a second side edge which are oppositely arranged, a first avoidance structure is arranged on the first side edge to avoid a first tab of the battery cell, and a second avoidance structure is arranged on the second side edge to avoid a second tab of the battery cell. The pole lug of the battery cell can not be in contact with the bearing sheet to cause short circuit due to the avoidance structure, so that the normal work of the battery cell is protected, and the safety of the battery module in the working process is improved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A battery assembly is characterized by comprising a laminated bearing sheet and a battery cell, wherein the battery cell is fixed on the bearing sheet, a first pole lug of the battery cell is positioned on a first side surface of the battery cell, a second pole lug of the battery cell is positioned on a second side surface of the battery cell, and the first side surface and the second side surface are arranged in a back-to-back manner;
the carrier sheet comprises a first side edge and a second side edge which are oppositely arranged, a first avoidance structure is arranged on the first side edge to avoid a first tab of the battery cell, and a second avoidance structure is arranged on the second side edge to avoid a second tab of the battery cell.
2. The battery assembly of claim 1, further comprising foam attached to a side of the cell facing away from the carrier sheet.
3. The battery pack of claim 1, wherein the carrier sheet further comprises a third side and a fourth side that are disposed opposite to each other, the third side being adjacent to the first side, and the third side and the fourth side each having a fastener;
under the condition that the battery assembly is the first battery assembly, the first battery assembly can be fixedly connected with the second battery assembly through the fixing piece, and the second battery assembly is the battery assembly which is arbitrarily adjacent to the first battery assembly.
4. The battery assembly according to claim 3, wherein the third side and the fourth side are respectively bent toward the battery cell to form a bent portion, and the fixing member is disposed on a side of the bent portion facing away from the battery cell.
5. The battery assembly according to claim 4, wherein a through hole is formed in a side surface of the bent portion facing away from the battery cell, and a first buckle is arranged on a wall of the bent portion forming the through hole;
under the condition that the battery pack is the first battery pack, the first buckle of the first battery pack can be connected with the through hole of the second battery pack in a clamping mode, and the second battery pack is the battery pack which is adjacent to the first battery pack at will.
6. The battery assembly according to claim 4, wherein a slot is formed on a side of the bending portion facing away from the battery core, and a second buckle is arranged on a slot wall of the bending portion forming the slot;
under the condition that the battery pack is the first battery pack, the second buckle of the first battery pack can be connected with the clamping groove of the second battery pack in a clamping mode, and the second battery pack is the battery pack which is adjacent to the first battery pack at will.
7. The battery assembly according to claim 4, wherein a side of the bending portion facing the battery cell is provided with a limiting rib, and a side of the battery cell facing the bending portion is provided with a groove adapted to the limiting rib; and/or
The orientation of kink be provided with the recess on the side of electric core, the orientation of electric core seted up on the side of kink with the spacing muscle of recess adaptation.
8. The battery assembly according to claim 1, wherein the carrier sheet is an aluminum sheet, and the carrier sheet is bonded to the battery cell by a thermally conductive adhesive.
9. A battery pack comprising at least one battery module according to any one of claims 1 to 8, wherein the at least one battery module is stacked and connected by a carrier sheet of each battery module.
10. A battery module comprising the battery pack according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243547.1U CN212136552U (en) | 2020-06-29 | 2020-06-29 | Battery pack, battery pack and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243547.1U CN212136552U (en) | 2020-06-29 | 2020-06-29 | Battery pack, battery pack and battery module |
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| Publication Number | Publication Date |
|---|---|
| CN212136552U true CN212136552U (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021243547.1U Active CN212136552U (en) | 2020-06-29 | 2020-06-29 | Battery pack, battery pack and battery module |
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| Country | Link |
|---|---|
| CN (1) | CN212136552U (en) |
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2020
- 2020-06-29 CN CN202021243547.1U patent/CN212136552U/en active Active
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