CN215008322U - Square battery is connected to many commentaries on classics splicing - Google Patents
Square battery is connected to many commentaries on classics splicing Download PDFInfo
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- CN215008322U CN215008322U CN202120353122.4U CN202120353122U CN215008322U CN 215008322 U CN215008322 U CN 215008322U CN 202120353122 U CN202120353122 U CN 202120353122U CN 215008322 U CN215008322 U CN 215008322U
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- switching
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- battery cell
- switching piece
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model provides a multi-rotating-sheet connection square battery, which comprises a top cover, a shell and an electric core, wherein the electric core is arranged in the shell; the top cover comprises a positive pole and a negative pole, the positive pole is connected with a positive pole A switching sheet and a positive pole B switching sheet, and the negative pole is connected with a negative pole A switching sheet and a negative pole B switching sheet; the battery cell comprises a battery cell A and a battery cell B, wherein the battery cell A and the battery cell B respectively comprise a positive electrode lug and a negative electrode lug; the positive electrode A switching piece and the negative electrode A switching piece are respectively connected with a positive electrode lug and a negative electrode lug of the battery cell A, and the positive electrode B switching piece and the negative electrode B switching piece are connected with a positive electrode lug and a negative electrode lug of the battery cell B; the A switching piece and the B switching piece are sequentially and fixedly arranged on the top cover. The utility model discloses can increase battery capacity, reduce the stress deformation who arouses because of rolling up the core bodiness when not increasing electric core thickness, make electric core connect in parallel inside the aluminum hull, reduce the cost when making battery and module, increase module space utilization.
Description
Technical Field
The utility model relates to a technical field of lithium cell specifically relates to a square battery is connected to many switching pieces.
Background
A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream.
Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries.
The chinese utility model patent with publication number CN202434661U discloses a lithium battery and a winding type cell structure thereof, wherein the layer structure of the cell is formed by winding the pole pieces of the positive and negative poles and the diaphragms therebetween; the pole piece comprises a sheet-shaped current collector, a pole lug and a polar coating; the tab is positioned at the end part of the current collector; the polar coating is arranged on the surface of the current collector to form a single-sided dressing section and a double-sided dressing section; wherein: the lug and the double-sided dressing section are arranged in a staggered manner in the thickness direction of the battery cell.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a square battery is connected to many commentaries on classics splicing.
According to the utility model provides a square battery with multiple splicing sheets, which comprises a top cover, a shell and an electric core, wherein the electric core is arranged in the shell;
the top cover comprises a positive pole and a negative pole, the positive pole is connected with a positive pole A switching sheet and a positive pole B switching sheet, and the negative pole is connected with a negative pole A switching sheet and a negative pole B switching sheet;
the battery cell comprises a battery cell A and a battery cell B, wherein the battery cell A and the battery cell B respectively comprise a positive electrode lug and a negative electrode lug;
the positive electrode A switching piece and the negative electrode A switching piece are respectively connected with a positive electrode lug and a negative electrode lug of the battery cell A, and the positive electrode B switching piece and the negative electrode B switching piece are connected with a positive electrode lug and a negative electrode lug of the battery cell B;
the A switching piece and the B switching piece are sequentially and fixedly arranged on the top cover.
Preferably, the housing is provided as an aluminum shell.
Preferably, the positive pole a switching piece and the negative pole a switching piece are respectively welded with a positive pole lug and a negative pole lug of the battery cell a, and the positive pole B switching piece and the negative pole B switching piece are welded with a positive pole lug and a negative pole lug of the battery cell B.
Preferably, the mode that the adaptor piece is connected to the top cap includes ultrasonic welding, laser welding or riveting.
Preferably, the positive pole a adapter plate and the positive pole B adapter plate are made of the same material, and the negative pole a adapter plate and the negative pole B adapter plate are made of the same material.
Preferably, the two sides of the positive pole a adapter sheet and the negative pole a adapter sheet are welded with the same number of battery cells, and the positive pole a adapter sheet and the negative pole a adapter sheet are welded with the positive pole B adapter sheet and the negative pole B adapter sheet with the same number of battery cells.
Preferably, the two sides of the positive pole a adapter sheet and the negative pole a adapter sheet are welded with the electric cores in different numbers, and the positive pole a adapter sheet and the negative pole a adapter sheet are welded with the electric cores in different numbers with the positive pole B adapter sheet and the negative pole B adapter sheet.
Preferably, the positive and negative posts are disposed on the top cover.
Preferably, the connection sequence of the positive pole and the positive pole a and B adapter plates is a combination in different orders, and the connection sequence of the negative pole and the negative pole a and B adapter plates is a combination in different orders.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses can increase battery capacity, reduce the stress deformation who arouses because of electric core bodiness when not increasing electric core thickness, make electric core connect in parallel inside the aluminum hull, reduce the cost when making battery and module, increase module space utilization.
2. The utility model provides an electric core in the square lithium battery arrange and weld and switch electric core deformation problem behind the piece, adopt many commentaries on classics connection piece technique, can increase electric core number in single electric core, make electric core arrange more in the module more nimble, cost, improvement module space utilization when the module is made in the reduction.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a connection diagram of an a adaptor plate and a B adaptor plate of the present invention;
fig. 2 is a connection diagram of the adapter sheet a and the adapter sheet B with the battery cell a and the battery cell B of the present invention;
fig. 3 is the battery cell schematic diagram of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Referring to fig. 1 and 2, the utility model provides a multi-switching piece connection square battery, which comprises a top cover, a shell and an electric core, wherein both ends of the top cover are provided with a positive pole column and a negative pole column, the positive pole column of the top cover is connected with a positive pole A switching piece and a positive pole B switching piece, and the negative pole column of the top cover is connected with a negative pole A switching piece and a negative pole B switching piece; the battery cell comprises a battery cell A and a battery cell B, wherein the battery cell A and the battery cell B respectively comprise a positive electrode lug and a negative electrode lug, the left side and the right side of the positive electrode A switching piece and the negative electrode A switching piece are respectively welded with the positive electrode lug and the negative electrode lug of the battery cell A, and the two sides of the positive electrode B switching piece and the negative electrode B switching piece are respectively welded with the positive electrode lug and the negative electrode lug of the battery cell B; welding the positive pole adapter plate A and the positive pole column of the top cover together, wherein the welding area is a position 3, and then welding the positive pole adapter plate B and the positive pole adapter plate A together, and the welding area is a position 4; welding the adapter plate A of the negative pole and the negative pole column of the top cover together, wherein the welding area is a position 5, and then welding the adapter plate B of the negative pole and the adapter plate A of the negative pole together, wherein the welding area is a position 6; after welding, the battery core is turned over and fixed, and then the battery core is wrapped with a mylar film and is arranged in a shell, and the shell is made of an aluminum shell; the welding center distance delta 1 of the battery cell pole lugs on the left side and the right side of the A switching piece is the width difference of the A switching piece and the B switching piece.
Referring to fig. 2 and 3, the multi-turn tab is connected to the top cover by other connection methods such as ultrasonic welding, laser welding or riveting; the positive pole A switching piece and the positive pole B switching piece can be the same material to the completion of convenient connection, and negative pole A switching piece and negative pole B switching piece can be the same material to the completion of convenient connection.
The left side and the right side of the anode A adapter plate and the cathode A adapter plate can be welded with the same number of winding cores or winding cores with different numbers; the anode A adapter plate and the cathode A adapter plate and the anode B adapter plate and the cathode B adapter plate can be welded with the winding cores with the same number or the winding cores with different numbers.
The positive pole column and the negative pole column can be not arranged in the middle of the top cover and are determined according to the requirements during assembly of the module; the positive pole column is connected with the positive pole A switching sheet and the positive pole B switching sheet, and the connection sequence can be combined in different orders; the negative pole column is connected with the negative pole A adapter plate and the negative pole B adapter plate, and the connection sequence can be combined in different orders.
The utility model provides a many switching pieces connect square battery can increase battery capacity, reduce the stress deformation because of the thickening of electric core causes in the time of not increasing electric core thickness, make electric core connect in parallel inside the aluminum hull, reduce the cost when manufacturing battery and module, increase the module space utilization; and solve the interior electric core of square lithium battery and arrange and weld the electric core deformation problem behind the switching piece, adopt many switching piece technique, can increase electric core number in the single electric core, make the interior electric core of module arrange more in a flexible way, cost, improvement module space utilization when reducing the module of making.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (9)
1. A multi-rotating-sheet connection square battery is characterized by comprising a top cover, a shell and a battery cell, wherein the battery cell is arranged in the shell;
the top cover comprises a positive pole and a negative pole, the positive pole is connected with a positive pole A switching sheet and a positive pole B switching sheet, and the negative pole is connected with a negative pole A switching sheet and a negative pole B switching sheet;
the battery cell comprises a battery cell A and a battery cell B, wherein the battery cell A and the battery cell B respectively comprise a positive electrode lug and a negative electrode lug;
the positive electrode A switching piece and the negative electrode A switching piece are respectively connected with a positive electrode lug and a negative electrode lug of the battery cell A, and the positive electrode B switching piece and the negative electrode B switching piece are connected with a positive electrode lug and a negative electrode lug of the battery cell B;
the A switching piece and the B switching piece are sequentially and fixedly arranged on the top cover.
2. The multiple-tab connection prismatic battery of claim 1, wherein said case is provided as an aluminum case.
3. The square battery with multiple switching sheets according to claim 1, wherein the positive electrode A switching sheet and the negative electrode A switching sheet are respectively welded with a positive electrode tab and a negative electrode tab of an A battery cell, and the positive electrode B switching sheet and the negative electrode B switching sheet are welded with a positive electrode tab and a negative electrode tab of a B battery cell.
4. The multi-tab connection prismatic battery of claim 1, wherein the means of the cap to attach the tabs comprises ultrasonic welding, laser welding or riveting.
5. The square battery of claim 1, wherein the positive A interposer and the positive B interposer are made of the same material, and the negative A interposer and the negative B interposer are made of the same material.
6. The square battery with the multiple switching pieces connected according to claim 1, wherein the cells with the same number are welded on two sides of the positive electrode A switching piece and the negative electrode A switching piece, and the cells with the same number are welded on the positive electrode B switching piece and the negative electrode B switching piece.
7. The square battery with the multiple switching pieces connected according to claim 1, wherein the cells with different numbers are welded on two sides of the positive electrode A switching piece and the negative electrode A switching piece, and the cells with different numbers are welded on the positive electrode B switching piece and the negative electrode B switching piece.
8. The multiple turn tab connection prismatic battery of claim 1, wherein said positive and negative posts are disposed on a top cover.
9. The multi-tab connection prismatic battery of claim 1, wherein the connection sequence of the positive post to the positive a and B tabs is a combination of different orders, and the connection sequence of the negative post to the negative a and B tabs is a combination of different orders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120353122.4U CN215008322U (en) | 2021-02-08 | 2021-02-08 | Square battery is connected to many commentaries on classics splicing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120353122.4U CN215008322U (en) | 2021-02-08 | 2021-02-08 | Square battery is connected to many commentaries on classics splicing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215008322U true CN215008322U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120353122.4U Active CN215008322U (en) | 2021-02-08 | 2021-02-08 | Square battery is connected to many commentaries on classics splicing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215008322U (en) |
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2021
- 2021-02-08 CN CN202120353122.4U patent/CN215008322U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 room A205, building C, 205 Binhai 6th Road, Jinhai 2nd Road, Airport New District, Longwan District, Wenzhou City, Zhejiang Province Patentee after: Ruipu Lanjun Energy Co.,Ltd. Patentee after: Shanghai ruipuqing innovative energy Co., Ltd Address before: 325000 room A205, building C, 205 Binhai 6th Road, Jinhai 2nd Road, Airport New District, Longwan District, Wenzhou City, Zhejiang Province Patentee before: RUIPU ENERGY Co.,Ltd. Patentee before: Shanghai ruipuqing innovative energy Co., Ltd |
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| CP01 | Change in the name or title of a patent holder |