CN216648511U - Battery module reaches battery package including it - Google Patents
Battery module reaches battery package including it Download PDFInfo
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- CN216648511U CN216648511U CN202122812944.7U CN202122812944U CN216648511U CN 216648511 U CN216648511 U CN 216648511U CN 202122812944 U CN202122812944 U CN 202122812944U CN 216648511 U CN216648511 U CN 216648511U
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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 module and a battery pack comprising the same, wherein the battery module comprises a battery core module, the battery core module comprises at least two battery core stacks which are bonded side by side, at least one insulating sheet is arranged between every two adjacent battery core stacks, at least one side surface of each insulating sheet is provided with a sunken accommodating area, and the accommodating area is used for accommodating a bonding agent which is bonded between every two adjacent battery core stacks. The insulating sheet can absorb the flatness tolerance of the battery core stack, absorb the expansion deformation of the battery core in the charging and discharging process, control the glue consumption and avoid the overflow of the glue, improve the assembly efficiency of the battery module and ensure the good operation of the battery module.
Description
Technical Field
The utility model belongs to the technical field of batteries, and relates to a battery module and a battery pack comprising the same.
Background
At present, under the condition that the same kind of electric core is piled up, the structure spare quantity of double (or multirow) module than traditional single row module is few, has lightweight, low-cost advantage, can improve space utilization simultaneously. However, because there is a certain difference in the size during the manufacturing process of the battery cell, the stacking surface of the unavoidable double-row (or multi-row) module has poor flatness, which affects the working performance and the quality life of the battery cell.
CN208622825U discloses a battery module for double rows of square battery cells, which comprises a module upper shell and a module lower shell which are arranged in a matching manner, wherein two rows of square battery cells are arranged between the module upper shell and the module lower shell side by side, a glue layer is arranged between the square battery cells and the module upper shell, and stiffening beams are respectively arranged in the module lower shells at the opposite sides and opposite sides of the two rows of square battery cells; the top surface of the upper shell of the module is matched with the square battery cell and is provided with a conductive aluminum bar; the battery module is also provided with a sampling PCB.
CN112909401A discloses a battery module, comprising: the battery cell stacking body comprises a plurality of battery cell monomers which are mutually connected and arranged in a stacking manner; the battery cell stacking bodies are arranged side by side, and insulation plates are arranged at two ends of each battery cell stacking body; at least one side wall of two side walls of the battery cell stacking body is contacted with the liquid cooling plate, the battery cell stacking body is connected with the liquid cooling plate, and a heat conducting coating is filled between the liquid cooling plate and the side wall of the battery cell stacking body; the fixed end plate, be formed with the accommodation space that is used for holding electric core stack body between a plurality of liquid cooling boards and/or between liquid cooling board and the fixed end plate.
The size of electric core has certain difference among the current battery module, consequently inevitable can appear the relatively poor problem of face plane degree of piling up of battery module, and then reduces the working property and the quality of electric core.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a battery module and a battery pack comprising the same, which can absorb the flatness tolerance of a battery core stack, improve the assembly efficiency of the battery module, absorb the expansion deformation of the battery core in the charging and discharging process, ensure the good operation of the module, improve the safety and the service life, avoid the overflow of glue among the battery cores and ensure the appearance of a product.
In order to achieve the purpose, the utility model adopts the following technical scheme:
in a first aspect, the present invention provides a battery module, which includes a cell module, where the cell module includes at least two cell stacks bonded side by side, at least one insulating sheet is disposed between two adjacent cell stacks, a recessed accommodating area is disposed on at least one side surface of the insulating sheet, and the accommodating area is used for accommodating an adhesive agent that is bonded between two adjacent cell stacks.
According to the battery module provided by the utility model, the insulating sheet is arranged to absorb the flatness tolerance of the core stack, so that the assembly efficiency of the battery module is improved, and the time is saved; the insulating piece can absorb the bulging deformation of electric core charge-discharge in-process, ensures that the battery module well moves, has improved the safety and the life of battery module, and the setting in insulating piece surface accommodation area holds the bonding agent that carries out the bonding between two adjacent electric core piles, prevents that the binder from spilling over.
In a preferred embodiment of the present invention, the insulating sheet has a thickness of 0.5 to 2mm, for example, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm or 2mm, but the thickness is not limited to the above-mentioned values, and other values not shown in the above-mentioned value range are also applicable.
In a preferred embodiment of the present invention, the area of the housing area is 35 to 75% of the area of the insulation sheet, and may be, for example, 35%, 38%, 40%, 45%, 50%, 55%, 60%, 65%, 70%, or 75%, but is not limited to the above-mentioned values, and other values not listed in the above-mentioned value range are also applicable.
It should be noted that, the insulating sheet arranged between the cell stacks in the utility model has an elastic structure, is made of polycarbonate or a foaming material, can effectively absorb the plane tolerance generated after two (or more) cell stacks are stacked, and simultaneously avoids glue overflow, so that the battery module has good appearance; the insulating piece can guarantee that the actual coating state of adhesive is more close to the design condition, has improved the working property of battery module.
As a preferable technical solution of the present invention, the accommodating area is provided on one side surface of the insulating sheet, and a depth of the recess of the accommodating area is not more than 75% of a thickness of the insulating sheet.
In the utility model, when the accommodating area is arranged on one side surface of the insulating sheet, the accommodating area can accommodate the adhesive on the surface of the cell stack adjacent to the accommodating area, so that the influence on the performance of the battery module due to the overflow of the redundant adhesive is prevented.
As a preferred embodiment of the present invention, the accommodating areas are respectively disposed on two side surfaces of the insulating sheet and are respectively referred to as a first accommodating area and a second accommodating area.
As a preferable technical solution of the present invention, the first accommodating area and the second accommodating area are disposed in a staggered manner, and the depth of the first accommodating area and the depth of the second accommodating area are independently not more than 75% of the thickness of the insulation sheet.
It should be noted that, when the first accommodating area and the second accommodating area are respectively arranged on the two side surfaces of the insulating sheet, and the accommodating areas on the two sides do not overlap, that is, the first accommodating area and the second accommodating area on the two side surfaces of the insulating sheet are arranged in a staggered manner, and the depth of the first accommodating area and the second accommodating area is not more than 75% of the thickness of the insulating sheet. The surfaces of the cell stacks on both sides are coated with adhesives to fix the cell stacks, and the first accommodating area and the second accommodating area respectively accommodate the adhesives on the surfaces of the cell stacks on the adjacent sides.
As a preferable technical solution of the present invention, the first accommodating area and the second accommodating area are correspondingly arranged, and the depth of the first accommodating area and the depth of the second accommodating area are independently not more than 50% of the thickness of the insulation sheet;
when the depths of the first accommodating area and the second accommodating area are both 50% of the thickness of the insulation sheet, the first accommodating area and the second accommodating area form through holes.
It should be noted that, when the first accommodating area and the second accommodating area are respectively disposed on the two side surfaces of the insulating sheet, the depth of the accommodating areas is not more than 50% of the thickness of the insulating sheet when the accommodating areas on the two sides are disposed oppositely. When the depth of the first containing area and the second containing area on the two sides is 50% of the thickness of the insulating sheet, a through hole penetrating through the insulating sheet is formed, and after the surface of one side of the battery cell stack is coated with the adhesive, the adhesive can penetrate through the through hole and contact with the battery cell stack on the other side under the assembling and extruding action of the battery cell stack to realize fixation between the battery cell stacks.
As a preferred technical solution of the present invention, the accommodating area is at least one of prismatic shape, rectangular shape, circular shape or polygonal shape, and is arranged to form a grid shape.
It should be noted that the shape of the accommodating area of the insulating sheet in the present invention is preferably prismatic, and those skilled in the art can adjust the accommodating area and the through hole area of the insulating sheet, the glue bonding area, and the mesh aperture according to actual requirements, thereby controlling the glue usage amount between the core stacks.
The battery core stack comprises at least two battery cores arranged side by side, a partition plate is bonded between every two adjacent battery cores, the partition plate arranged between every two adjacent battery cores has an insulation effect, the material of the partition plate is not specifically limited or specially required, and the partition plate can be an epoxy plate. It will of course be appreciated that other types of separators capable of performing the insulating function are within the scope and disclosure of the present invention and therefore other types of separators disclosed in the prior art or not disclosed in the new art may be used in the present invention.
As a preferred technical solution of the present invention, a first end plate assembly and a second end plate assembly are respectively disposed at two ends of the battery cell module, the battery module further includes a fastening assembly, the fastening assembly includes at least one ribbon, and the first end plate assembly and the second end plate assembly extrude the battery cell module and the ribbon is adopted to surround peripheries of the battery cell module, the first end plate assembly and the second end plate assembly.
It should be noted that the ribbon in the utility model has elasticity, and the first end plate assembly and the second end plate assembly are adopted to extrude the battery core module, and then the ribbon is used to surround the peripheries of the battery core module, the first end plate assembly and the second end plate assembly to be bound, so that the battery core stacks are fastened, the strength of the battery module is enhanced, and the space utilization rate is improved. The cover plate can be arranged above the battery module according to specific conditions by a person skilled in the art so as to fix the battery cell module, and the collecting assembly for sampling is arranged between the cover plate and the battery cell module.
In a second aspect, the utility model provides a battery pack, which includes the battery module of the first aspect.
The battery pack provided by the utility model has the advantages of long service life, small number of structural components, light weight, low cost, improved space utilization rate, enhanced working performance of the battery cell and good quality and appearance.
Compared with the prior art, the utility model has the beneficial effects that:
according to the battery module and the battery pack comprising the same, provided by the utility model, the flatness tolerance of the battery core stack can be absorbed through the insulating sheet with the elastic structure, the assembly efficiency of the battery module is improved, and the time is saved; meanwhile, the expansion deformation of the battery core in the charging and discharging process can be absorbed, the good operation of the battery module is ensured, and the safety and the service life of the battery module are improved; when the core stacks are glued and fixed, the glue bonding area is controlled, the glue amount is guaranteed to better meet the design state, the adhesive amount is controlled by the thickness of the elastic insulation sheet and the size of the accommodation area, and a good bonding effect is achieved; meanwhile, the elastic insulating sheet can prevent the adhesive from overflowing, and the battery module has good appearance.
Drawings
Fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an insulating sheet according to an embodiment of the present invention.
Wherein, 1-cover plate; 2-a first end plate assembly; 3-a bus assembly; 4-electric core stack; 5-binding a belt; 6-a second end plate assembly; 7-insulating sheet.
Detailed Description
It is to be understood that in the description of the present invention, the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
It should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
In a specific embodiment, the present invention provides a battery module, which includes a cell module, as shown in fig. 1, where the cell module includes at least two cell stacks 4 bonded side by side, at least one insulation sheet 7 is disposed between two adjacent cell stacks 4, and at least one side surface of the insulation sheet 7 is provided with a recessed receiving area, where the receiving area is used for receiving an adhesive for bonding between two adjacent cell stacks 4.
Furthermore, the thickness of the insulation sheet 7 is 0.5-2 mm.
Further, the area of the containing area is 35-75% of the area of the insulating sheet 7.
The insulating sheet 7 arranged between the cell stacks 4 has an elastic structure and is made of polycarbonate or a foaming material, so that the plane tolerance generated after two (or more) cell stacks 4 are stacked can be effectively absorbed, and meanwhile, the glue is prevented from overflowing, so that the battery module has good appearance; the insulating sheet 7 ensures that the actual coating state of the adhesive is closer to the design state, and the working performance of the battery module is improved.
Further, the accommodation area is arranged on one side surface of the insulation sheet 7, and the depression depth of the accommodation area is not more than 75% of the thickness of the insulation sheet 7. In the utility model, when the concave accommodating area is arranged on the surface of one side of the insulating sheet 7, the accommodating area can accommodate the adhesive on the surface of the adjacent cell stack 4, so that the influence on the performance of the battery module caused by the overflow of the redundant adhesive is prevented.
Further, the accommodating areas are respectively disposed on two side surfaces of the insulating sheet 7, and are respectively referred to as a first accommodating area and a second accommodating area.
Further, the first accommodating area and the second accommodating area are arranged in a staggered mode, and the depth of the first accommodating area and the depth of the second accommodating area are not more than 75% of the thickness of the insulating sheet 7 independently.
When the first accommodating area and the second accommodating area are respectively arranged on the two side surfaces of the insulating sheet 7, and the accommodating areas on the two sides are not overlapped, namely the first accommodating area and the second accommodating area on the two side surfaces of the insulating sheet 7 are arranged in a staggered manner, and the depth of the first accommodating area and the second accommodating area is not more than 75% of the thickness of the insulating sheet 7. The surfaces of the two side core stacks 4 are coated with adhesive to fix the core stacks 4, and the first accommodating area and the second accommodating area respectively accommodate the excess adhesive on the surface of the core stack 4 adjacent to the first accommodating area.
Further, the first accommodating area and the second accommodating area are correspondingly arranged, and the depth of the first accommodating area and the depth of the second accommodating area are independently not more than 50% of the thickness of the insulating sheet 7; when the depths of the first accommodation area and the second accommodation area are both 50% of the thickness of the insulation sheet 7, the first accommodation area and the second accommodation area form through holes.
According to the utility model, when the first accommodating area and the second accommodating area are respectively arranged on the surfaces of the two sides of the insulating sheet 7, the depth of the accommodating areas does not exceed 50% of the thickness of the insulating sheet 7 when the accommodating areas on the two sides are oppositely arranged. When the depth of the first containing area and the second containing area on the two sides is 50% of the thickness of the insulating 7 sheets, a through hole penetrating through the insulating sheet 7 is formed, and after the surface of one side of the cell stack 4 is coated with the adhesive, the adhesive can penetrate through the through hole to contact with the cell stack 4 on the other side under the assembling and extruding action of the cell stack 4, so that the fixation between the cell stacks is realized. Further, the accommodating area is at least one of prismatic shape, rectangular shape, circular shape or polygonal shape, and is arranged to form a grid shape. The shape of the accommodating area of the insulating sheet 7 in the utility model is preferably prismatic as shown in fig. 2, and a person skilled in the art can adjust the area of the accommodating area of the insulating sheet 7, the bonding area of glue and the aperture of the grid according to actual requirements, thereby controlling the glue consumption between the core stacks 4.
The battery core stack 4 comprises at least two battery cores arranged side by side, a partition board is bonded between every two adjacent battery cores, the partition board arranged between every two adjacent battery cores has an insulating effect, and the partition board can be an epoxy board.
Further, electric core module both ends are provided with first end plate subassembly 2 and second end plate subassembly 6 respectively, the battery module still include fastening assembly, fastening assembly include at least one ribbon 5, first end plate subassembly 2 extrudees the electric core module with second end plate subassembly 6, and adopt ribbon 5 surrounds in electric core module, first end plate subassembly 2 and 6 peripheries of second end plate subassembly.
The ribbon 5 has elasticity, the battery cell module is extruded by the first end plate assembly 2 and the second end plate assembly 6, and the ribbon 5 is bound around the periphery of the battery cell module and the peripheries of the first end plate assembly 2 and the second end plate assembly 6, so that the battery cell stack 4 is fastened, the strength of the battery module is enhanced, and the space utilization rate is improved. A person skilled in the art can arrange the cover plate 1 above the battery module according to specific situations so as to fix the battery cell module, and a collecting assembly 3 for sampling is arranged between the cover plate 1 and the battery cell module.
In another embodiment, the present invention provides a battery pack including the battery module according to one embodiment.
The battery pack provided by the utility model has the advantages of long service life, small number of structural components, light weight, improvement on space utilization rate, enhancement on working performance of the battery cell and good quality and appearance.
Example 1
This embodiment provides a battery module, including electric core module, wherein electric core module includes that two electric core that bond side by side pile 4, is provided with an insulating piece 7 between two adjacent electric core piles 4, and the thickness of insulating piece 7 is 1mm, and a side surface of insulating piece 7 is equipped with sunken district that holds, and the area that holds the district is 70% of insulating piece 7 area. The receiving area is circular in shape, the depth of the recess is 0.7mm, and the receiving area is used for receiving the adhesive for bonding between two adjacent electric core stacks 4. The electric core stack 4 comprises eight electric cores arranged side by side, and a partition board is bonded between every two adjacent electric cores.
The battery module comprises a battery module body and is characterized in that a first end plate component 2 and a second end plate component 6 are arranged at two ends of the battery module body respectively, the battery module body further comprises a fastening component, the fastening component comprises two ribbons 5 and an apron plate 1, the first end plate component 2 and the second end plate component 6 extrude the battery module body, the ribbon 5 surrounds the battery module body, the first end plate component 2 and the periphery of the second end plate component 6, the apron plate 1 is located above the battery module body, and a confluence component 3 is further arranged between the apron plate 1 and the battery module body.
Example 2
This embodiment provides a battery module, including electric core module, wherein electric core module includes that three electric core that bonds side by side piles 4, is provided with an insulating piece 7 between two adjacent electric core piles 4, and the thickness of insulating piece 7 is 2mm, and the both sides surface of insulating piece 7 is equipped with sunken first district and the second district that holds respectively. The first accommodating area and the second accommodating area are of prismatic structures and are used for accommodating the adhesive for bonding between two adjacent electric core stacks 4. The area of the first accommodating area and the area of the second accommodating area are 65% of the area of the insulating sheet 7. Wherein the opposing first and second receiving areas form through holes through the insulating sheet 7. The electric core stack 4 comprises eight electric cores arranged side by side, and a partition board is bonded between every two adjacent electric cores.
The battery module comprises a battery module body and is characterized in that a first end plate component 2 and a second end plate component 6 are arranged at two ends of the battery module body respectively, the battery module body further comprises a fastening component, the fastening component comprises two ribbons 5 and an apron plate 1, the first end plate component 2 and the second end plate component 6 extrude the battery module body, the ribbon 5 surrounds the battery module body, the first end plate component 2 and the periphery of the second end plate component 6, the apron plate 1 is located above the battery module body, and a confluence component 3 is further arranged between the apron plate 1 and the battery module body.
Example 3
This embodiment provides a battery module, including electric core module, wherein electric core module includes that two electric core that bond side by side pile 4, is provided with an insulating piece 7 between two adjacent electric core piles 4, and the thickness of insulating piece 7 is 1mm, and the both sides surface of insulating piece 7 is equipped with sunken first district and the second district that holds respectively. The first accommodating area and the second accommodating area are of prismatic structures and are used for accommodating the adhesive for bonding between two adjacent electric core stacks 4. The area of the first accommodating area and the area of the second accommodating area are both 60% of the area of the insulating sheet 7. Wherein the first containing area and the second containing area are arranged in a staggered manner, and the depth of the recess of the first containing area and the depth of the recess of the second containing area are both 0.7 mm. The electric core stack 4 comprises eight electric cores arranged side by side, and a partition board is bonded between every two adjacent electric cores.
The battery module comprises a battery module body and is characterized in that a first end plate component 2 and a second end plate component 6 are arranged at two ends of the battery module body respectively, the battery module body further comprises a fastening component, the fastening component comprises two ribbons 5 and an apron plate 1, the first end plate component 2 and the second end plate component 6 extrude the battery module body, the ribbon 5 surrounds the battery module body, the first end plate component 2 and the periphery of the second end plate component 6, the apron plate 1 is located above the battery module body, and a confluence component 3 is further arranged between the apron plate 1 and the battery module body.
Example 4
This embodiment provides a battery module, including electric core module, wherein electric core module includes that three electric core that bonds side by side piles 4, is provided with an insulating piece 7 between two adjacent electric core piles 4, and the thickness of insulating piece 7 is 1.2mm, and the both sides surface of insulating piece 7 is equipped with sunken first district and the second district that holds respectively. The first receiving area and the second receiving area are rectangular structures and are used for receiving the adhesive for bonding between two adjacent electric core stacks 4. The area of the first containing area and the area of the second containing area are both 50% of the area of the insulation sheet 7. Wherein the first containing area and the second containing area are arranged oppositely, and the depth of the recess of the first containing area and the recess of the second containing area are both 0.5mm, namely the insulating sheet 7 is not penetrated. The electric core stack 4 comprises eight electric cores arranged side by side, and a partition board is bonded between every two adjacent electric cores.
The battery module comprises a battery module body and is characterized in that a first end plate component 2 and a second end plate component 6 are arranged at two ends of the battery module body respectively, the battery module body further comprises a fastening component, the fastening component comprises two ribbons 5 and an apron plate 1, the first end plate component 2 and the second end plate component 6 extrude the battery module body, the ribbon 5 surrounds the battery module body, the first end plate component 2 and the periphery of the second end plate component 6, the apron plate 1 is located above the battery module body, and a confluence component 3 is further arranged between the apron plate 1 and the battery module body.
According to the battery module provided by the utility model, the elastic insulation sheet 7 with the accommodating area is arranged, so that the plane tolerance of two (or more) battery cell stacks 4 stacked side by side can be effectively absorbed; even battery core pile 4 is out of shape by the inflation in-process of charging and discharging simultaneously, some deflection also can be absorbed by elastic insulation piece 7, ensures the good steady operation of module. Two adjacent electric core piles 4 need the rubber coating fixed usually, set up elastic insulation piece 7, scribble glue and put the grid region, guarantee that the volume of gluing satisfies the design condition better, possess good bonding effect, and elastic insulation piece 7 can block glue simultaneously and spill over, and the battery module possesses good outward appearance.
The applicant declares that the above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be understood by those skilled in the art that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are within the scope and disclosure of the present invention.
Claims (10)
1. The utility model provides a battery module, includes electric core module, its characterized in that, electric core module include at least two electric core piles that bond side by side, be provided with at least one insulating piece between two adjacent electric core piles, at least one side surface of insulating piece is equipped with sunken district that holds, the district that holds be used for holding the bonding agent that bonds between two adjacent electric core piles.
2. The battery module according to claim 1, wherein the insulating sheet has a thickness of 0.5 to 2 mm.
3. The battery module according to claim 1, wherein the area of the receiving region is 35-75% of the area of the insulation sheet.
4. The battery module according to claim 1, wherein the receiving region is provided on one side surface of the insulating sheet, and the receiving region is recessed to a depth of not more than 75% of the thickness of the insulating sheet.
5. The battery module according to claim 1, wherein the receiving areas are respectively disposed on two side surfaces of the insulation sheet, which are respectively referred to as a first receiving area and a second receiving area.
6. The battery module of claim 5, wherein the first receiving area and the second receiving area are offset, and the first receiving area and the second receiving area independently have a depth of not more than 75% of the thickness of the insulation sheet.
7. The battery module according to claim 5, wherein the first and second receiving areas are correspondingly disposed, and the depth of the first and second receiving areas is not more than 50% of the thickness of the insulation sheet;
when the depths of the first accommodating area and the second accommodating area are both 50% of the thickness of the insulation sheet, the first accommodating area and the second accommodating area form through holes.
8. The battery module of claim 1, wherein the receiving regions are at least one of prismatic, rectangular or circular and are arranged to form a grid.
9. The battery module of claim 1, wherein a first end plate assembly and a second end plate assembly are respectively disposed at two ends of the cell module, the battery module further comprises a fastening assembly, the fastening assembly comprises at least one ribbon, and the first end plate assembly and the second end plate assembly extrude the cell module and surround the periphery of the cell module, the first end plate assembly and the second end plate assembly with the ribbon.
10. A battery pack, comprising the battery module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122812944.7U CN216648511U (en) | 2021-11-17 | 2021-11-17 | Battery module reaches battery package including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122812944.7U CN216648511U (en) | 2021-11-17 | 2021-11-17 | Battery module reaches battery package including it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216648511U true CN216648511U (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122812944.7U Active CN216648511U (en) | 2021-11-17 | 2021-11-17 | Battery module reaches battery package including it |
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| Country | Link |
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| CN (1) | CN216648511U (en) |
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- 2021-11-17 CN CN202122812944.7U patent/CN216648511U/en active Active
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