CN215119053U - Lithium battery cover structure and lithium battery - Google Patents
Lithium battery cover structure and lithium battery Download PDFInfo
- Publication number
- CN215119053U CN215119053U CN202120601245.5U CN202120601245U CN215119053U CN 215119053 U CN215119053 U CN 215119053U CN 202120601245 U CN202120601245 U CN 202120601245U CN 215119053 U CN215119053 U CN 215119053U
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- Prior art keywords
- positioning
- lithium battery
- lower plastic
- connecting sheet
- cover structure
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 62
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000004033 plastic Substances 0.000 claims abstract description 51
- 229920003023 plastic Polymers 0.000 claims abstract description 51
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 abstract description 13
- 230000017525 heat dissipation Effects 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a lithium battery cover structure and lithium cell, includes the lid, lower plastic and connection piece, is provided with utmost point post on the lid, and lower plastic sets up on a side that the lid is close to electric core, and one in connection piece and the lower plastic is provided with the reference column, and another is provided with the locating hole, and when the connection piece laminated with lower plastic, the locating hole was worn to establish by the reference column to make connection piece and utmost point post looks butt. Carry out the positioning action to the connection piece through setting up the reference column for the connection piece can carry out reliable contact with utmost point post, so that the position skew can not appear with utmost point post when the welding in order to make connection piece and utmost point post, and then effectively guarantee welding area, can effectively guarantee the overload capacity of utmost point post.
Description
Technical Field
The utility model relates to a lithium cell lid field especially relates to a lithium cell lid structure and lithium cell.
Background
A lithium battery is a battery using a nonaqueous electrolyte solution and lithium metal or a lithium alloy as a negative electrode material, and therefore such a battery is also called a lithium metal battery. Unlike other batteries, lithium batteries have the characteristics of high charge density, long service life, high unit cost and the like.
The lithium battery is divided into a square lithium battery, a cylindrical lithium battery and a button lithium battery according to the appearance, can be divided into an aluminum shell lithium battery, a steel shell lithium battery and a soft package battery according to an outer packaging material, and can be divided into a cobalt acid lithium battery, a ferric phosphate lithium battery, a lithium manganate lithium battery and a lithium polymer battery according to a positive electrode material.
The square lithium battery with the aluminum shell is characterized in that the battery cell is contained in the aluminum shell, and then the lithium battery cover is buckled on the aluminum shell, so that the battery cell is in a sealed state. The electric core of square aluminum hull lithium cell generally need utilize the connection piece to be connected with the lithium cell lid, and in order to improve the installation convenience, generally need cover the lithium cell with the connection piece welding, however, there is following problem at present in welding process, when connection piece and lithium cell lid weld, utilize welding jig to compress tightly the surface at the lithium cell lid with the connection piece, this kind of mode causes the position of connection piece and lithium cell lid to take place the skew easily, thereby the effective welding area who leads to connection piece and lithium cell lid can not obtain the assurance, finally can influence the overload capacity of the utmost point post that the lithium cell covered.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing a lithium cell lid structure and lithium cell, can not appear the off normal when can making connection piece and lithium cell lid weld to can guarantee welding area, and then improve the overload capacity that the lithium cell covered utmost point post.
The purpose of the utility model is realized through the following technical scheme:
a lithium battery cover structure comprising:
the cover body is provided with a pole;
the lower plastic is arranged on one side surface of the cover body close to the battery cell; and
one of the connecting sheet and the lower plastic is provided with a positioning column, and the other connecting sheet and the lower plastic are provided with positioning holes;
when the connecting sheet is attached to the lower plastic, the positioning column penetrates through the positioning hole, so that the connecting sheet is abutted to the pole.
In one embodiment, the positioning column is a cylindrical positioning column, the positioning hole is a circular hole, and the cylindrical positioning column is inserted into the circular hole.
In one embodiment, the cylindrical positioning column is in interference fit with the circular hole.
In one embodiment, the cross section of the positioning column is cross-shaped, the positioning hole is a cross-shaped hole, and the cross-shaped positioning column is arranged in the cross-shaped hole in a penetrating mode.
In one embodiment, the positioning column is disposed on the lower plastic, the positioning hole is opened on the connecting sheet, the positioning column includes a supporting portion and a positioning portion, the supporting portion is disposed on the lower plastic, the supporting portion is used for supporting the connecting sheet, the positioning portion is disposed on the supporting portion, and the positioning portion is used for penetrating through the positioning hole.
In one embodiment, the lower plastic and the positioning column are integrally formed.
In one embodiment, two positioning columns are arranged, two positioning holes are arranged, and when the connecting sheet is attached to the lower plastic, the two positioning columns correspondingly penetrate through the two positioning holes one by one.
In one embodiment, the lithium battery cover structure further comprises a locking assembly, the locking assembly comprises a locking block and a fixing block, the pole extends towards the cover body to form a locking groove, the locking block is accommodated in the locking groove, the fixing block is arranged on the side surface, away from the pole, of the cover body, the fixing block is connected with the locking block, and the fixing block and the locking block clamp the pole together.
In one embodiment, the locking assembly further comprises a locking screw, the locking screw penetrates through the fixing block, and the locking screw is in threaded connection with the locking block.
A lithium battery comprising a lithium battery cover structure as defined in any of the above.
Compared with the prior art, the utility model discloses at least, following advantage has:
the utility model discloses a lithium battery cover structure and lithium cell, including lid, lower plastic and connection piece, be provided with utmost point post on the lid, lower plastic sets up on the side that the lid is close to electric core, and one in connection piece and the lower plastic is provided with the reference column, and another is provided with the locating hole, and when the connection piece was laminated with lower plastic, the locating hole was worn to establish by the reference column to make connection piece and utmost point post looks butt. Carry out the positioning action to the connection piece through setting up the reference column for the connection piece can carry out reliable contact with utmost point post, so that the position skew can not appear with utmost point post when the welding in order to make connection piece and utmost point post, and then effectively guarantee welding area, can effectively guarantee the overload capacity of utmost point post.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a lithium battery cover structure according to an embodiment of the present invention;
fig. 2 is a schematic view of a partial cross-sectional structure of the lithium battery cover structure shown in fig. 1;
FIG. 3 is a schematic view of a portion of a lower plastic according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a connecting sheet according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a positioning column according to an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It is noted that as used herein, reference to an element being "connected" to another element also means that the element is "in communication" with the other element, and fluid can be in exchange communication between the two.
Referring to fig. 1 to 4, a lithium battery cover structure 10 includes a cover body 100, a lower plastic 200 and a connecting sheet 300, wherein a terminal post 110 is disposed on the cover body 100, the lower plastic 200 is disposed on a side surface of the cover body 100 close to a battery cell, one of the connecting sheet 300 and the lower plastic 200 is provided with a positioning column 210, and the other is provided with a positioning hole 310, and when the connecting sheet 300 is attached to the lower plastic 200, the positioning column 210 penetrates through the positioning hole 310, so that the connecting sheet 300 is abutted to the terminal post 110.
It should be noted that, the post 110 is installed on the cover body 100, the lower plastic 200 is installed on the cover body 100, in one embodiment, the post 110 penetrates through the cover body 100, the positioning column 210 is installed on the lower plastic 200, one of the lower plastic 200 and the connecting sheet 300 is provided with the positioning column 210, and the other is provided with the positioning hole 310, in one embodiment, the positioning column 210 is installed on the lower plastic 200, the positioning hole 310 is opened on the connecting sheet 300, in another embodiment, the positioning column 210 is installed on the connecting sheet 300, and the positioning hole 310 is opened on the lower plastic 200.
Thus, when the connecting sheet 300 is close to fit the lower plastic 200, the positioning column 210 can penetrate through the positioning hole 310 to realize the positioning effect on the connecting sheet 300, and finally the connecting sheet 300 can be reliably contacted with the pole 110 on the cover body 100, so that the connecting sheet 300 and the pole 110 cannot be subjected to position deviation during welding, the welding area is effectively ensured, the problems of insufficient welding and the like are prevented, and the overload capacity of the pole 110 can be effectively ensured; in one embodiment, the positioning column 210 and the lower plastic 200 are integrally formed, for example, the positioning column 210 and the lower plastic 200 are both plastics, and the positioning column 210 and the lower plastic 200 can be integrally injection molded by using an injection mold, so that the firmness between the positioning column 210 and the lower plastic 200 can be improved; in one embodiment, the connection tab 300 is a metal connection tab.
In one embodiment, the positioning post 210 is a cylindrical positioning post, the positioning hole 310 is a circular hole, and the cylindrical positioning post is inserted into the circular hole.
It should be noted that, the positioning column 210 is set to be cylindrical, and the positioning hole 310 is set to be a circular hole, so that the connecting sheet 300 can be quickly positioned with the lower plastic 200; in an embodiment, be interference fit between cylindrical reference column and the circular port, that is, the external diameter of the cylindrical reference column of diameter ratio of circular port is big, so for cylindrical reference column can realize quick location to the connection piece.
Referring to fig. 5, in an embodiment, the cross section of the positioning post 210 is cross-shaped, the positioning hole 310 is a cross-shaped hole, and the cross-shaped positioning post is inserted into the cross-shaped hole. It should be noted that, in an embodiment, the cross section of the positioning column 210 is cross-shaped, and the positioning hole 310 is also a cross-shaped hole, so that the cross-shaped positioning column can cooperate with the cross-shaped hole, and it should be noted that, by providing the cross-shaped structure, the stability between the connecting sheet 300 and the lower plastic 200 can be effectively improved, the connecting sheet 300 is prevented from rotating relative to the lower plastic 200, and thus the connecting sheet 300 can be reliably and fixedly connected with the pole 110.
In one embodiment, there are two positioning columns 210, two positioning holes 310 are opened, and when the connecting sheet 300 is attached to the lower plastic 200, the two positioning columns 210 are correspondingly inserted into the two positioning holes 310 one by one.
It should be noted that, two positioning columns 210 are provided, and then two positioning holes 310 are formed in the connecting sheet 300, so that when the connecting sheet 300 is close to and attached to the lower plastic 200, the two positioning columns 210 can penetrate through the two positioning holes 310 one by one, so as to improve the fixing strength of the connecting sheet 300.
Referring to fig. 1 and 4 again, in one embodiment, the connecting piece 300 is provided with a U-shaped locking groove 320. It should be noted that the U-shaped locking groove 320 is used for locking and fixing with the battery cell to achieve the purpose of quick insertion and extraction.
Referring to fig. 1 again, in one embodiment, the lower plastic 200 is further formed with a plurality of heat dissipation holes 220, and a space is formed between each of the heat dissipation holes 220. It should be noted that, by using the heat dissipation holes 220, when the lithium battery cover structure 10 of the present application is actually used, heat generated in the battery core can reach the purpose of heat dissipation through the heat dissipation holes 220, so as to improve the heat dissipation effect of the square aluminum-shell lithium battery.
Referring to fig. 3 again, in an embodiment, the positioning column 210 includes a supporting portion 211 and a positioning portion 212, the supporting portion 211 is disposed on the lower plastic 200, the supporting portion 211 is used for supporting the connecting sheet 300, the positioning portion 212 is disposed on the supporting portion 211, and the positioning portion 212 is used for penetrating through the positioning hole 310.
It should be noted that, when the connecting sheet 300 needs to be placed on the lower plastic 200 to enable the connecting sheet 300 to be closely attached to the terminal post 110, at this time, the positioning column 210 is utilized to penetrate through the positioning hole 310 so that the deviation between the connecting sheet 300 and the terminal post 110 does not occur, it should be noted that, because one end of the connecting sheet 300 is attached to the terminal post 110 and the other end of the connecting sheet 300 is in a suspended state, the connecting sheet 300 cannot be kept balanced, and by arranging the positioning column 210 as the supporting portion 211 and the positioning portion 212, specifically, the supporting portion 211 is installed on the lower plastic 200, it should be noted that, the end surface of the supporting portion 211 and the plane of the terminal post 110 are kept on the same horizontal plane, and then the positioning portion 212 is arranged on the end surface of the supporting portion 211, so that when the connecting sheet 300 is attached to the lower plastic 200, one end of the connecting sheet 300 is closely attached to the terminal post 110, the other end of the connecting piece 300 can be supported by the supporting portion 211, so the connecting piece 300 can be kept in a balanced state, and thus, a gap can be avoided when the connecting piece 300 is welded with the pole 110, and further, the welding quality is effectively ensured, it needs to be noted that the outer diameter of the supporting portion 211 is larger than the inner diameter of the positioning hole 310, and the outer diameter of the positioning portion 212 is smaller than the inner diameter of the positioning hole 310, so the connecting piece 300 can be supported by the supporting portion 211, the positioning portion 212 penetrates through the positioning hole 310 to position the connecting piece 300, and the position deviation between the connecting piece 300 and the pole 110 is prevented.
Referring to fig. 3 again, in an embodiment, a positioning fillet 212a is disposed on an end of the positioning portion 212 away from the supporting portion 211, so that the connecting sheet 300 can be quickly attached to the lower plastic 200 by disposing the positioning fillet 212 a.
Referring to fig. 2 again, in an embodiment, the lithium battery cover structure 10 further includes a locking assembly 400, the locking assembly 400 includes a locking block 410 and a fixing block 420, the terminal post 110 extends toward the cover body 100 to form a locking groove 111, the locking block 410 is accommodated in the locking groove 111, the fixing block 420 is disposed on a side surface of the cover body 100 away from the terminal post 110, the fixing block 420 is connected to the locking block 410, and the fixing block 420 and the locking block 410 clamp the terminal post 110 together.
It should be noted that, in order to mount and fix the pole 110 on the cover body 100, specifically, the central portion of the pole 110 extends toward the cover body 100 to form the locking groove 111, then the locking block 410 is placed in the locking groove 111, and then the fixing block 420 is mounted on the side of the cover body 100 away from the pole 110, it should be noted that the fixing block 420 is connected with the locking block 410, so that the pole 110 can be clamped and fixed on the cover body 100 by the clamping action between the fixing block 420 and the locking block 410, it should be noted that, by extending the pole 110 toward the cover body 100 to form the locking groove 111, then the locking block 410 is received in the locking groove 111, so that the surface of the connecting piece 300 close to the pole 110 is jacked up by the locking block 410 and cannot be tightly attached to the pole 110, on the other hand, the pole 110 is set to be in a concave state, when the locking block 410 is connected and locked with the fixing block 420, fixed block 420 can laminate with utmost point post 110's part, so, can improve the tight dynamics of clamp to utmost point post 110, avoid utmost point post 110 not hard up to appear.
Referring to fig. 2 again, in one embodiment, the locking assembly 400 further includes a locking screw, the locking screw is disposed through the fixing block 420, and the locking screw is screwed with the locking block 410. It should be noted that, in an embodiment, the locking block 410 and the fixing block 420 are locked by using a locking screw, so that the locking block 410 and the fixing block 420 can clamp and fix the pole 110 together, and the locking force on the pole 110 can be effectively improved.
A lithium battery comprising the lithium battery cover structure 10 of any one of the above, can make the lithium battery more stable and convenient in the assembly process.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A lithium battery cover structure, comprising:
the cover body is provided with a pole;
the lower plastic is arranged on one side surface of the cover body close to the battery cell; and
one of the connecting sheet and the lower plastic is provided with a positioning column, and the other connecting sheet and the lower plastic are provided with positioning holes;
when the connecting sheet is attached to the lower plastic, the positioning column penetrates through the positioning hole, so that the connecting sheet is abutted to the pole.
2. The lithium battery cover structure according to claim 1, wherein the positioning column is a cylindrical positioning column, the positioning hole is a circular hole, and the cylindrical positioning column is inserted into the circular hole.
3. The lithium battery cover structure of claim 2, wherein the cylindrical positioning post and the circular hole are in interference fit.
4. The lithium battery cover structure according to claim 1, wherein the cross-section of the positioning column is cross-shaped, the positioning hole is a cross-shaped hole, and the cross-shaped positioning column penetrates through the cross-shaped hole.
5. The lithium battery cover structure according to claim 1 or 3, wherein the positioning column is disposed on the lower plastic, the positioning hole is opened on the connecting sheet, the positioning column includes a supporting portion and a positioning portion, the supporting portion is disposed on the lower plastic, the supporting portion is used for supporting the connecting sheet, the positioning portion is disposed on the supporting portion, and the positioning portion is used for penetrating through the positioning hole.
6. The lithium battery cover structure of claim 5, wherein the lower plastic and the positioning column are integrally formed.
7. The lithium battery cover structure according to claim 1, wherein the number of the positioning columns is two, the number of the positioning holes is two, and when the connecting sheet is attached to the lower plastic, the two positioning columns penetrate through the two positioning holes in a one-to-one correspondence manner.
8. The lithium battery cover structure according to claim 1, further comprising a locking assembly, wherein the locking assembly comprises a locking block and a fixing block, the pole extends toward the cover body to form a locking groove, the locking block is accommodated in the locking groove, the fixing block is arranged on the side surface of the cover body away from the pole, the fixing block is connected with the locking block, and the fixing block and the locking block clamp the pole together.
9. The lithium battery cover structure of claim 8, wherein the locking assembly further comprises a locking screw, the locking screw penetrates through the fixing block, and the locking screw is in threaded connection with the locking block.
10. A lithium battery comprising a lithium battery cover structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120601245.5U CN215119053U (en) | 2021-03-24 | 2021-03-24 | Lithium battery cover structure and lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120601245.5U CN215119053U (en) | 2021-03-24 | 2021-03-24 | Lithium battery cover structure and lithium battery |
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| Publication Number | Publication Date |
|---|---|
| CN215119053U true CN215119053U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120601245.5U Active CN215119053U (en) | 2021-03-24 | 2021-03-24 | Lithium battery cover structure and lithium battery |
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| Country | Link |
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| CN (1) | CN215119053U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115548592A (en) * | 2022-11-01 | 2022-12-30 | 厦门海辰储能科技股份有限公司 | Energy storage device and electric equipment |
| WO2024098528A1 (en) * | 2022-11-11 | 2024-05-16 | 厦门海辰储能科技股份有限公司 | Battery end cover assembly, energy storage apparatus and electric device |
-
2021
- 2021-03-24 CN CN202120601245.5U patent/CN215119053U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115548592A (en) * | 2022-11-01 | 2022-12-30 | 厦门海辰储能科技股份有限公司 | Energy storage device and electric equipment |
| WO2024098528A1 (en) * | 2022-11-11 | 2024-05-16 | 厦门海辰储能科技股份有限公司 | Battery end cover assembly, energy storage apparatus and electric device |
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