CN213692205U - Lithium ion battery top cover and lithium ion battery - Google Patents

Lithium ion battery top cover and lithium ion battery Download PDF

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Publication number
CN213692205U
CN213692205U CN202023334166.7U CN202023334166U CN213692205U CN 213692205 U CN213692205 U CN 213692205U CN 202023334166 U CN202023334166 U CN 202023334166U CN 213692205 U CN213692205 U CN 213692205U
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CN
China
Prior art keywords
top cover
lithium ion
ion battery
plastic sheet
cover plate
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CN202023334166.7U
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Chinese (zh)
Inventor
于东朋
李建伟
夏天军
于贺
高顺航
娄佳训
姬嘉帅
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Svolt Energy Technology Co Ltd
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Svolt Energy Technology Co Ltd
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Priority to CN202023334166.7U priority Critical patent/CN213692205U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model relates to a cover plate, and discloses a lithium ion battery top cover, which comprises a top cover plate (1), a riveting block (2) and a pole (3), wherein both the top cover plate (1) and the riveting block (2) are provided with pole hole suitable for inserting the pole (3), and a plastic sheet (4) is arranged between the top cover plate (1) and the riveting block (2); one of the upper plastic sheet (4) and the riveting block (2) is provided with an upper bulge (6), and the other one is provided with an upper groove (7) matched with the upper bulge; one of the upper plastic sheet (4) and the top cover sheet (1) is provided with a lower protrusion (8), and the other one is provided with a lower groove (9) which is inserted into the lower protrusion (8) in a matching way. The utility model also discloses a lithium ion battery of having above-mentioned lithium ion battery top cap. The lithium ion battery top cover can reduce the installation difficulty, thereby improving the installation efficiency.

Description

Lithium ion battery top cover and lithium ion battery
Technical Field
The utility model relates to an apron, in particular to lithium ion battery top cap. Furthermore, the utility model discloses still relate to a lithium ion battery with lithium ion battery top cap.
Background
With the development of modern society and the enhancement of environmental awareness of people, more and more devices select rechargeable secondary batteries as power supplies, such as mobile phones, notebook computers, electric tools, electric vehicles, energy storage power stations and the like, which provides a wide space for the application and development of rechargeable secondary batteries. Among them, electric vehicles, energy storage power stations, and the like generally require the use of power batteries having a large capacity.
The lithium battery top cap is as an important accessory in the lithium ion battery, and it can enough make the interior external environment isolated play sealed effect through welding back with the aluminum hull, also can connect interior outer circuit, passes through top cap utmost point post to the battery internal current and carries the outside, plays the water conservancy diversion effect.
The lithium ion top cover in the prior art generally mainly comprises a smooth aluminum sheet, a riveting block, a binding post, plastic, a sealing ring, an explosion-proof valve and an explosion-proof valve protection film. But in order to increase the rotatory torsion that utmost point post can bear, prevent that utmost point post atress from rotating in the use, cause utmost point post to seal inefficacy, beat the round hole at the relative position of riveting piece and light aluminum sheet usually, insert respectively in the shrinkage pool that riveting piece and light aluminum sheet correspond through the both ends of columniform ceramic block to play fixed prevent pivoted effect. The positive and negative poles respectively need 2-4 ceramic blocks, which can increase the cost of the neck cover; the diameter of the ceramic block and the positioning hole is 2-4.5mm under the normal condition, and the assembly is difficult due to small size. And the structure of the lithium ion battery cover plate is complicated, the installation difficulty is increased, and the installation efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a lithium ion battery top cap to can reduce the installation degree of difficulty, thereby improve the installation effectiveness.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a lithium ion battery top cover comprises a top cover plate, a riveting block and a pole, wherein pole holes suitable for inserting the pole are formed in the top cover plate and the riveting block, and an upper plastic sheet is arranged between the top cover plate and the riveting block; one of the upper plastic sheet and the riveting block is provided with an upper bulge, and the other one is provided with an upper groove matched with the upper bulge; one of the upper plastic sheet and the top cover sheet is provided with a lower bulge, and the other one is provided with a lower groove matched with the lower bulge.
Furthermore, an upper protrusion is arranged on the upper surface of the upper plastic sheet, and a lower protrusion is arranged on the lower surface of the upper plastic sheet; an upper groove is formed in the lower surface of the riveting block; and a lower groove is formed in the upper surface of the top cover plate.
Further, the upper bulge and the lower bulge are respectively provided with at least two.
Further, the upper bulge and the lower bulge are respectively provided with two.
Furthermore, two go up the arch with two the arch is equallyd divide and is set up respectively go up plastic piece two apex angles that are not adjacent to each other.
Further, the top cover plate is a smooth aluminum plate.
Furthermore, the top cover plate and a lower plastic sheet are arranged between the pole columns, and a sealing ring is arranged between the pole columns and the lower plastic sheet.
Furthermore, an explosion-proof valve is arranged on the top cover plate.
Further, the top cover plate with be equipped with down the plastic piece between the utmost point post, be equipped with explosion-proof valve filtration membrane down on the plastic piece, explosion-proof valve with explosion-proof valve filtration membrane corresponds the setting.
Compared with the prior art, lithium ion battery top cap, following advantage has:
one of the upper plastic sheet and the riveting block is provided with an upper bulge, and the other one is provided with an upper groove; one of the upper plastic sheet and the top cover sheet is provided with a lower bulge, and the other one is provided with a lower groove; through the mutual cooperation between last recess and the last arch and between well recess and the well arch in order to improve the torsional force that utmost point post can bear, prevent utmost point post atress rotation in the use to guarantee the leakproofness between utmost point post and the top cap piece. Meanwhile, the ceramic column does not need to be additionally arranged, so that the production cost and the installation step can be reduced.
Another object of the utility model is to provide a lithium ion battery to can reduce the installation degree of difficulty, thereby improve the installation effectiveness.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a lithium ion battery having the lithium ion battery top cover according to any of the above first aspect.
The advantages of the lithium ion battery and the lithium ion battery top cover are the same compared with the prior art, and are not described again here.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is an exploded schematic view of a lithium ion battery top cover according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a lithium ion battery top cover according to an embodiment of the present invention;
fig. 3 is a schematic view of an upper plastic sheet in a top cover of a lithium ion battery according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view taken along the line A-A in FIG. 3;
fig. 5 is a schematic view of a riveting block in a top cover of a lithium ion battery according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view taken along the plane B-B in fig. 5.
Description of the reference numerals
1 top cover plate and 2 riveting blocks
3 utmost point post 4 goes up plastic piece
5 lower plastic sheet 6 upper bulge
7 upper groove and 8 lower bulge
9 lower groove 10 sealing ring
11 explosion-proof valve and 12 explosion-proof valve filtering membrane
Detailed Description
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the "upper" and "lower" mentioned in the embodiments of the present invention refer to relative positional relationships in which the lithium ion battery top lid is attached to the lithium ion battery.
The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
In the basic embodiment of the present invention, a lithium ion battery top cover is provided, as shown in fig. 1 and fig. 2, which includes a top cover plate 1, a riveting block 2 and a terminal 3, wherein both the top cover plate 1 and the riveting block 2 are provided with terminal holes suitable for inserting the terminal 3, and a plastic sheet 4 is provided between the top cover plate 1 and the riveting block 2; one of the upper plastic sheet 4 and the riveting block 2 is provided with an upper bulge 6, and the other one is provided with an upper groove 7 matched with the upper bulge 6; one of the upper plastic sheet 4 and the top cover sheet 1 is provided with a lower protrusion 8, and the other is provided with a lower groove 9 matched with the lower protrusion 8.
According to the utility model discloses, the above-mentioned matching can be the position matching, and in other words the upper hump 6 just in time can insert the upper groove 7 that corresponds with it, lower hump 8 just in time can insert the lower groove 9 that corresponds with it. The upper protrusion 6 and the lower protrusion 8 may be provided in a column shape. Specifically, the columnar shape may be a cylindrical shape, a triangular prism shape, a quadrangular prism shape, a pentagonal prism shape, or other polygonal prism shapes. The columnar structure may be a bilaterally symmetric columnar structure or a bilaterally asymmetric columnar structure. The upper protrusion 6 and the lower protrusion 8 may be provided in one or more numbers.
When the upper protrusions 6 and/or the lower protrusions 8 are/is provided in plurality, the plurality of upper protrusions 6 may be dispersedly provided on the upper surface of the upper plastic sheet 4 or the lower surface of the riveting block 2; a plurality of lower protrusions 8 may be dispersedly provided on the lower surface of the upper plastic sheet 4 or the upper surface of the top cover sheet 1. In this case, the upper projection 6 and/or the lower projection 8 provided in plural may be provided in any columnar shape.
When one upper protrusion 6 and/or one lower protrusion 8 are provided, in order to increase the rotational torque force that the pole 3 can bear, the upper protrusion 6 and/or the lower protrusion 8 are arranged in a prism shape, and the positions and shapes of the upper protrusion 6 and/or the lower protrusion 8 and the corresponding upper groove 7 and/or the corresponding lower groove 9 are the same. Specifically, when one upper projection 6 is provided, the shape and position of the upper projection 6 and the corresponding upper groove 7 are the same; when one lower bulge 8 is arranged, the shape and the position of the lower bulge 8 and the corresponding lower groove 9 are the same; when one upper protrusion 6 and one lower protrusion 8 are provided, the upper protrusion 6 and the corresponding upper groove 7 have the same shape and position, and the lower protrusion 8 and the corresponding lower groove 9 have the same shape and position. The upper protrusion 6 and/or the lower protrusion 8 are sized to snap into the upper groove 7 and/or the lower groove 9. In order to further increase the rotation torque force which can be borne by the pole 3, the included angle between two adjacent edges on the bottom surfaces of the prismatic upper bulge 6 and/or lower bulge 8 is 30-150 degrees.
Specifically, a top cover plate groove suitable for clamping the upper plastic sheet 4 is formed in the top cover plate 1, and an upper plastic sheet groove suitable for clamping the riveting block 2 is formed in the upper surface of the upper plastic sheet 4. The upper plastic sheet 4 is also provided with a pole hole suitable for inserting the pole 3. The pole post hole on the top cap piece 1, the pole post hole on the riveting block 2 and the pole post hole on the upper plastic sheet 4 are correspondingly arranged. Two poles 3 are provided to serve as a positive pole and a negative pole, respectively. The riveting block 2 and the upper plastic sheet 4 are also provided with two, and each riveting block 2 is respectively connected with one pole 3.
When the lithium ion battery top cover that above-mentioned basic embodiment provided was installed, 4 card going up plastic sheet go into the top-hat piece recess, and make protruding 8 card down go into the lower recess 9 that corresponds with it, then insert utmost point post hole with utmost point post 3 from the bottom of top-hat piece 1, and the junction of utmost point post 3 and top-hat piece 1 is provided with the insulating layer, go into plastic sheet recess with riveting piece 2 card again, make going up protruding 6 card go into the upper recess 7 that corresponds with it, 3 card going into of utmost point post on the riveting piece 2, so that riveting piece 2 and 3 fixed connection of utmost point post, guarantee utmost point post 3 and top-hat piece 1 junction sealed.
The lithium ion battery top cover that above-mentioned basic embodiment provided, through the setting of last arch 6, upper groove 7, lower arch 8 and low groove 9, can make relatively fixed between riveting piece 2 and the top cover plate 1 to make and have better fixed effect between utmost point post 3 and the top cover plate 1, and then increase utmost point post 3's rotation torsion, prevent that utmost point post 3 from rotating on top cover plate 1. And need not additionally set up the ceramic block, directly through last plastic piece 4 with utmost point post 3 and top cap piece 1 and riveting piece 2 with last plastic piece 4 fixed, can reduce the installation steps and effectively reduce manufacturing cost, improve the installation effectiveness.
In one embodiment of the present invention, as shown in fig. 1 and 2, the upper plastic sheet 4 has an upper protrusion 6 on the upper surface and a lower protrusion 8 on the lower surface; an upper groove 7 is arranged on the lower surface of the riveting block 2; the upper surface of the top cover plate 1 is provided with a lower groove 9. The relative fixation of the upper plastic sheet 4 and the pole column 3 and the relative fixation of the upper plastic sheet 4 and the riveting block 2 are realized through the clamping of the upper protrusion 6 and the upper groove 7 and the clamping of the lower protrusion 8 and the lower groove 9, so that the installation steps are reduced, and the production cost is effectively reduced.
In order to further improve the rotation torque force that the pole 3 can bear, in a specific embodiment of the present invention, the upper protrusion 6 and the lower protrusion 8 are respectively provided with at least two.
At least two upper protrusions 6 are dispersedly arranged on the upper surface of the upper plastic sheet 4 or on the lower surface of the riveting block 2, and at least two lower protrusions 8 are dispersedly arranged on the lower surface of the upper plastic sheet 4 or on the upper surface of the top cover plate 1. The upper bulges 6 and the lower bulges 8 which are dispersedly arranged can ensure that the fixing effect between the riveting block 2 and the top cover plate 1 is better, thereby ensuring that a better fixing effect exists between the pole 3 and the top cover plate 1.
In one embodiment of the present invention, two upper projections 6 and two lower projections 8 are provided. The riveting block 2 and the top cover plate 1 can be well fixed by the aid of the riveting block, and production cost can be reduced.
In order to further increase the fixed effect between riveting piece 2 and the top sheet 1 the utility model discloses an in the embodiment, as shown in fig. 3 and 5, two are gone up protruding 6 and two and are equally divide protruding 8 down and do not set up respectively in last plastic piece 4 two not adjacent apex angle departments each other. Set up two top angles departments that are not continuous each other on last plastic sheet 4 upper surface respectively with two upper protrusions 6 to and set up two lower archs 8 respectively at two top angles departments that are not continuous each other on last plastic sheet 4 lower surface, can increase moment, thereby increase the work that wrench movement riveting block 2 was done, increase the degree of difficulty of wrench movement riveting block 2, further increase the fixed effect between riveting block 2 and the top plate piece 1.
Specifically, the cross section of the upper plastic sheet 4 is polygonal, the vertex angle is a polygonal angle, and the vertex angle is an area where an upper corner or a lower corner of the upper surface or the lower surface of the polygonal upper plastic sheet 4 is located. As shown in fig. 3, when the cross section of the upper plastic sheet 4 is set to be rectangular, the vertex angle is four corners of the rectangle, at this time, the rectangle can be equally divided into four regions, two upper protrusions 6 are respectively arranged in the regions of two mutually non-adjacent corners on the upper surface of the upper plastic sheet 4, two lower protrusions 8 are respectively arranged in the regions of two mutually non-adjacent corners on the lower surface of the upper plastic sheet 4, and a pole hole is arranged between the two upper protrusions 6 and also arranged between the two lower protrusions 8.
More specifically, as shown in fig. 3 to 6, the diameter Φ a of the upper projection 6 is smaller than or equal to the diameter Φ b of the upper groove 7, and the projection height H1 of the upper projection 6 is higher than or equal to the depression depth H3 of the upper groove 7; the diameter of the lower protrusion 8 is smaller than or equal to the diameter of the lower groove 9, and the protrusion height H2 of the lower protrusion 8 is higher than or equal to the depression depth of the lower groove 9. Preferably, the upper protrusion 6 is of a diameter to snap into the upper groove 7 and the lower protrusion 8 is of a diameter to snap into the lower groove 9.
In one embodiment of the present invention, the top cover sheet 1 is a smooth aluminum sheet.
The utility model discloses an in the embodiment, be equipped with down plastic piece 5 between top cap piece 1 and utmost point post 3, utmost point post 3 and be equipped with sealing washer 10 down between the plastic piece 5. Through plastic sheet 5 under the setting so that insulating between top cap piece 1 and utmost point post 3, can not influence the connection effect between top cap piece 1 and the utmost point post 3 yet. The friction in the rotation process of the pole 3 can be reduced by arranging the sealing ring 10, and meanwhile, the sealing effect of the lithium ion battery can also be improved.
In a specific embodiment of the present invention, the top cover plate 1 is provided with an explosion-proof valve 11. The explosion-proof valve 11 may be any one of those in the art. Explosion of the lithium ion battery in the use process can be effectively prevented through the arrangement of the explosion-proof valve 11, and the use safety of the lithium ion battery is improved.
The utility model discloses an in the embodiment, be equipped with down plastic piece 5 between top cap piece 1 and utmost point post 3, be equipped with explosion-proof valve filtration membrane 12 on the plastic piece 5 down, explosion-proof valve 11 corresponds the setting with explosion-proof valve filtration membrane 12. The gas discharged from the explosion-proof valve 11 is filtered through the explosion-proof valve filtering membrane 12, so that solid particles driven by the gas discharged from the inside of the battery are prevented from being adsorbed on the explosion-proof valve 11, and the using effect of the explosion-proof valve 11 is prevented from being influenced.
As a relatively preferred embodiment of the present invention, as shown in fig. 1 and fig. 2, the riveting device includes a top cover plate 1, a riveting block 2 and a terminal 3, the top cover plate 1 is a smooth aluminum sheet, an explosion-proof valve 11 is disposed on the top cover plate 1, both the top cover plate 1 and the riveting block 2 are provided with terminal holes suitable for inserting the terminal 3, an upper plastic sheet 4 is disposed between the top cover plate 1 and the riveting block 2, an upper protrusion 6 is disposed on an upper surface of the upper plastic sheet 4, a lower protrusion 8 is disposed on a lower surface of the upper plastic sheet, and an upper groove 7 matched with the upper protrusion 6 is disposed on a lower surface of the riveting block 2; the upper surface of the top cover plate 1 is provided with a lower groove 9 matched with the lower bulge 8; the two upper bulges 6 and the two lower bulges 8 are respectively arranged at two top corners of the upper plastic sheet 4 which are not adjacent to each other; be equipped with down plastic piece 5 between top cap piece 1 and utmost point post 3, be equipped with explosion-proof valve filtration membrane 12 on the plastic piece 5 down, explosion-proof valve 11 corresponds the setting with explosion-proof valve filtration membrane 12, is equipped with sealing washer 10 between utmost point post 3 and the lower plastic piece 5.
When the lithium ion battery top cover provided by the basic embodiment is installed, the lower protrusion 8 is clamped into the lower groove 9 corresponding to the lower protrusion, the pole 3 sequentially penetrates through the sealing ring 10 and the open hole of the lower plastic sheet 5, then the pole is inserted into the pole hole from the bottom of the top cover plate 1, the upper protrusion 6 is clamped into the upper groove 7 corresponding to the upper protrusion, and the pole 3 is clamped into the pole hole on the riveting block 2, so that the riveting block 2 is fixedly connected with the pole 3.
The lithium ion battery top cover that above-mentioned basic embodiment provided, through the setting of last arch 6, upper groove 7, lower arch 8 and low groove 9, can make relatively fixed between riveting piece 2 and the top cover plate 1 to make and have better fixed effect between utmost point post 3 and the top cover plate 1, and then increase utmost point post 3's rotation torsion, prevent that utmost point post 3 from rotating on top cover plate 1. The sealing effect between the top cover plate 1 and the pole 3 can be increased by providing the sealing ring 10. And need not additionally set up the ceramic block, directly through last plastic piece 4 with utmost point post 3 and top cap piece 1 and riveting piece 2 with last plastic piece 4 fixed, can reduce the installation steps and effectively reduce manufacturing cost, improve the installation effectiveness.
Furthermore, the embodiment of the utility model provides a lithium ion battery is still provided, lithium ion battery includes the lithium ion battery top cap that each above-mentioned embodiment provided. The lithium ion battery at least has the advantages of the lithium ion battery top cover, and the description is omitted here.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The lithium ion battery top cover is characterized by comprising a top cover plate (1), a riveting block (2) and a pole column (3), wherein pole column holes suitable for inserting the pole column (3) are formed in the top cover plate (1) and the riveting block (2), and an upper plastic sheet (4) is arranged between the top cover plate (1) and the riveting block (2); one of the upper plastic sheet (4) and the riveting block (2) is provided with an upper bulge (6), and the other one is provided with an upper groove (7) matched with the upper bulge (6); one of the upper plastic sheet (4) and the top cover sheet (1) is provided with a lower protrusion (8), and the other one is provided with a lower groove (9) matched with the lower protrusion (8).
2. The lithium ion battery top cover according to claim 1, wherein the upper plastic sheet (4) is provided with an upper protrusion (6) on the upper surface and a lower protrusion (8) on the lower surface; an upper groove (7) is arranged on the lower surface of the riveting block (2); and a lower groove (9) is arranged on the upper surface of the top cover plate (1).
3. The lithium ion battery top cover according to claim 1, characterized in that the upper protrusion (6) and the lower protrusion (8) are provided with at least two, respectively.
4. The lithium ion battery top cover according to claim 3, characterized in that the upper protrusion (6) and the lower protrusion (8) are provided in two, respectively.
5. The lithium ion battery top cover according to claim 4, characterized in that two upper protrusions (6) and two lower protrusions (8) are respectively arranged at two corners of the upper plastic sheet (4) which are not adjacent to each other.
6. The lithium ion battery top cover according to any of claims 1-5, characterized in that the top cover sheet (1) is a smooth aluminum sheet.
7. The lithium ion battery top cover according to any one of claims 1 to 5, characterized in that a lower plastic sheet (5) is arranged between the top cover sheet (1) and the pole (3), and a sealing ring (10) is arranged between the pole (3) and the lower plastic sheet (5).
8. The lithium ion battery top cover according to any one of claims 1-5, characterized in that the top cover sheet (1) is provided with an explosion-proof valve (11).
9. The lithium ion battery top cover according to claim 8, wherein a lower plastic sheet (5) is arranged between the top cover sheet (1) and the pole (3), an explosion-proof valve filtering membrane (12) is arranged on the lower plastic sheet (5), and the explosion-proof valve (11) and the explosion-proof valve filtering membrane (12) are correspondingly arranged.
10. A lithium ion battery, characterized in that a lithium ion battery top cover according to any one of claims 1 to 9 is provided.
CN202023334166.7U 2020-12-30 2020-12-30 Lithium ion battery top cover and lithium ion battery Active CN213692205U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023334166.7U CN213692205U (en) 2020-12-30 2020-12-30 Lithium ion battery top cover and lithium ion battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023334166.7U CN213692205U (en) 2020-12-30 2020-12-30 Lithium ion battery top cover and lithium ion battery

Publications (1)

Publication Number Publication Date
CN213692205U true CN213692205U (en) 2021-07-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115117569A (en) * 2022-07-25 2022-09-27 实联长宜淮安科技有限公司 Square aluminum-shell lithium ion power battery with high energy density
CN116014317A (en) * 2023-02-09 2023-04-25 深圳海润新能源科技有限公司 End cover assembly, energy storage device and electric equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115117569A (en) * 2022-07-25 2022-09-27 实联长宜淮安科技有限公司 Square aluminum-shell lithium ion power battery with high energy density
CN116014317A (en) * 2023-02-09 2023-04-25 深圳海润新能源科技有限公司 End cover assembly, energy storage device and electric equipment

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Address after: No.8899 Xincheng Avenue, Jintan District, Changzhou City, Jiangsu Province

Patentee after: SVOLT Energy Technology Co.,Ltd.

Address before: No.8899 Xincheng Avenue, Jintan District, Changzhou City, Jiangsu Province

Patentee before: SVOLT Energy Technology Co.,Ltd.