CN210040380U - Lithium cell convenient to fixed connection - Google Patents
Lithium cell convenient to fixed connection Download PDFInfo
- Publication number
- CN210040380U CN210040380U CN201921234033.7U CN201921234033U CN210040380U CN 210040380 U CN210040380 U CN 210040380U CN 201921234033 U CN201921234033 U CN 201921234033U CN 210040380 U CN210040380 U CN 210040380U
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- Prior art keywords
- battery cell
- positive
- tab
- negative
- lugs
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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
Abstract
The utility model relates to the technical field of lithium batteries, in particular to a lithium battery cell convenient for fixed connection, which comprises a plurality of battery cells, and a positive electrode lug and a negative electrode lug connected with each battery cell; the positive tab and the negative tab of each battery cell are provided with through holes, the two sides of the positive tab of each battery cell are coated with graphene conductive agent, and the two sides of the negative tab of each battery cell are coated with graphene conductive agent; after the positive lugs of a plurality of battery cells are overlapped, the rivets penetrate through the through holes of the positive lugs and penetrate through a gasket to be riveted and fixed, so that the positive lugs are combined in series and parallel; after the negative pole ears of a plurality of electricity core coincide, wear to locate the through-hole of every negative pole ear and pass a gasket with the riveting fixed make a plurality of negative pole ear combination cluster. The lithium battery cell convenient for fixed connection has the advantages of firm structure, convenient fixed connection and good conductivity.
Description
Technical Field
The utility model relates to a lithium cell technical field especially relates to a lithium cell convenient to fixed connection.
Background
Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium metal batteries are generally non-rechargeable and contain lithium in a metallic state. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. Lithium batteries have the advantages of high capacity, small volume, light weight, etc., and thus, are widely used in many fields.
The important components of the lithium battery are a battery cell and a tab connected with the battery cell. The electric core of the lithium battery is connected with other components through the pole lugs. In the practical application process, a plurality of battery cells are generally used in series and in parallel. When a plurality of battery cells are connected in series and parallel, the positive electrode tabs and the negative electrode tabs of the plurality of battery cells need to be connected in series and parallel respectively. In the prior art, when the positive electrode lugs and the negative electrode lugs of a plurality of battery cells are respectively connected in series and in parallel, the defects of insufficient structure firmness, inconvenience in fixed connection and insufficient conductivity exist.
Disclosure of Invention
An object of the utility model is to provide a lithium cell convenient to fixed connection to the weak point among the prior art, this lithium cell convenient to fixed connection has the sound construction, the fixed connection of being convenient for and the good advantage of electric conductivity.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
The lithium battery cell convenient for fixed connection comprises a plurality of battery cells, and a positive electrode lug and a negative electrode lug which are connected to each battery cell;
the battery comprises a positive tab and a negative tab of each battery cell, wherein the positive tab and the negative tab of each battery cell are provided with through holes, the two sides of the positive tab of each battery cell are coated with graphene conductive agents, and the two sides of the negative tab of each battery cell are coated with graphene conductive agents;
after the positive lugs of the battery cells are overlapped, the rivets penetrate through the through holes of the positive lugs and penetrate through a gasket to be riveted and fixed, so that the positive lugs are combined in series and parallel;
after the negative electrode lugs of the battery cells are overlapped, the rivets penetrate through the through holes of the negative electrode lugs and penetrate through a gasket to be fastened and fixed in a riveting mode, so that the negative electrode lugs are combined in series and parallel.
The number of the battery cores is set to be 2-6.
Preferably, the number of the battery cells is set to be 3.
The thickness of the graphene conductive agent coated on the two sides of the positive electrode tab is set to be 1-10 mu m.
The thickness of the graphene conductive agent coated on the two sides of the negative electrode tab is set to be 1-10 mu m.
The utility model has the advantages that:
(1) the utility model provides a lithium battery cell convenient for fixed connection, which comprises a plurality of battery cells, and a positive electrode lug and a negative electrode lug connected with each battery cell; the positive tab and the negative tab of each battery cell are provided with through holes, the two sides of the positive tab of each battery cell are coated with graphene conductive agent, and the two sides of the negative tab of each battery cell are coated with graphene conductive agent; after the positive lugs of a plurality of battery cells are overlapped, the rivets penetrate through the through holes of the positive lugs and penetrate through a gasket to be riveted and fixed, so that the positive lugs are combined in series and parallel; after the negative pole ears of a plurality of electricity core coincide, wear to locate the through-hole of every negative pole ear and pass a gasket with the riveting fixed make a plurality of negative pole ear combination cluster. Because wear to locate every anodal ear's through-hole and pass a gasket and make a plurality of anodal ear combination cluster with the riveting fastening through the rivet, wear to locate every negative pole ear's through-hole and pass a gasket and make a plurality of negative pole ear combination cluster with the riveting fastening through the rivet, consequently, this fixed connection's of being convenient for lithium cell has the sound construction, fixed connection's advantage of being convenient for, in addition because and the two-sided all coating of the anodal ear of every electric core has the black alkene conducting agent, the two-sided all coating of the negative pole ear of every electric core has the black alkene conducting agent, and then make this fixed connection's of being convenient for lithium cell have the advantage that electric conductivity is good.
(2) The utility model provides a pair of lithium cell convenient to fixed connection has simple structure, low in production cost to can be applicable to large-scale production's characteristics.
Drawings
Fig. 1 is a schematic structural diagram of a lithium battery cell convenient for fixed connection according to the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic view of a partial structure of a lithium battery cell convenient for fixed connection according to the present invention.
Reference numerals:
an electric core 1;
a positive tab 2;
a negative electrode tab 3;
a through hole 4;
an ink-olefin conductive agent 5;
a rivet 6;
and a gasket 7.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following embodiments and drawings are combined to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 3, the lithium battery cell convenient for fixed connection of the embodiment includes a plurality of battery cells 1, and a positive tab 2 and a negative tab 3 connected to each battery cell 1; the positive tab 2 and the negative tab 3 of each cell 1 are respectively provided with a through hole 4, the two sides of the positive tab 2 of each cell 1 are respectively coated with an ink conductive agent 5, and the two sides of the negative tab 3 of each cell 1 are respectively coated with the ink conductive agent 5; after the positive lugs 2 of the plurality of battery cells 1 are overlapped, the rivets 6 penetrate through the through holes 4 of the positive lugs 2 and penetrate through a gasket 7 to be riveted and fixed, so that the plurality of positive lugs 2 are combined and connected in series and in parallel; after the negative electrode tabs 3 of the plurality of battery cells 1 are overlapped, the rivet 6 penetrates through the through hole 4 of each negative electrode tab 3 and penetrates through a gasket 7 to be fastened and fixed in a riveting mode, so that the plurality of negative electrode tabs 3 are combined in series and parallel. Because wear to locate every anodal ear 2 through rivet 6 through-hole 4 and pass a gasket 7 and make the anodal ear 2 combination cluster of a plurality of with the riveting fixed, wear to locate every negative pole ear 3 through rivet 6 through-hole 4 and pass a gasket 7 and make the 3 combination clusters of a plurality of negative pole ears with the riveting fixed, consequently, this lithium cell convenient to fixed connection has the sound construction, fixed connection's advantage is convenient for, in addition because and the two-sided all coating of anodal ear 2 of every electric core 1 has ink alkene conducting agent 5, the two-sided all coating of every electric core 1's negative pole ear 3 has ink alkene conducting agent 5, and then make this lithium cell convenient to fixed connection have the advantage that electric conductivity is good.
In addition, the gasket 7 functions as follows: the first one can increase the area of combining of anodal ear 2 or negative pole ear 3, and the second one increases the positive pressure between anodal ear 2 or the negative pole ear 3, and the third one can protect anodal ear 2 or negative pole ear 3, ensures not hindering anodal ear 2 or negative pole ear 3 in the production.
In this embodiment, the number of the battery cells 1 is set to 3, and the number of the battery cells 1 may be set according to actual production application.
In the present embodiment, the thickness of the graphene conductive agent 5 coated on both sides of the positive electrode tab 2 is set to 5 μm. The graphene conductive agent 5 having such a thickness can improve the conductive performance of the positive electrode tab 2.
In the present embodiment, the thickness of the graphene conductive agent 5 coated on both sides of the negative electrode tab 3 was set to 5 μm. The graphene conductive agent 5 with the thickness can well improve the conductivity of the negative electrode tab 3.
Example 2.
The utility model discloses an embodiment 2 of lithium cell convenient to fixed connection, this embodiment and embodiment 1's difference lie in, and in this embodiment, the quantity of electric core 1 sets up to 2, and the quantity of electric core 1 can be according to the actual production application and set for. In the present embodiment, the thickness of the graphene conductive agent 5 coated on both sides of the positive electrode tab 2 is set to 1 μm. The graphene conductive agent 5 having such a thickness can improve the conductive performance of the positive electrode tab 2. In the present embodiment, the thickness of the graphene conductive agent 5 coated on both sides of the negative electrode tab 3 was set to 1 μm. The graphene conductive agent 5 with the thickness can well improve the conductivity of the negative electrode tab 3. Other structures and operation principles of this embodiment are the same as those of embodiment 1, and are not described herein again.
Example 3.
The utility model discloses an embodiment 3 of lithium cell convenient to fixed connection, this embodiment and embodiment 1's difference lie in, and in this embodiment, the quantity of electric core 1 sets up to 2, and the quantity of electric core 1 can be according to the actual production application and set for. In the present embodiment, the thickness of the graphene conductive agent 5 coated on both sides of the positive electrode tab 2 is set to 10 μm. The graphene conductive agent 5 having such a thickness can improve the conductive performance of the positive electrode tab 2. In the present embodiment, the thickness of the graphene conductive agent 5 coated on both sides of the negative electrode tab 3 was set to 10 μm. The graphene conductive agent 5 with the thickness can well improve the conductivity of the negative electrode tab 3. Other structures and operation principles of this embodiment are the same as those of embodiment 1, and are not described herein again.
It should be finally noted that the above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced with other equivalents without departing from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a lithium cell convenient to fixed connection which characterized in that: the battery comprises a plurality of battery cells, and a positive electrode lug and a negative electrode lug which are connected with each battery cell;
the battery comprises a positive tab and a negative tab of each battery cell, wherein the positive tab and the negative tab of each battery cell are provided with through holes, the two sides of the positive tab of each battery cell are coated with graphene conductive agents, and the two sides of the negative tab of each battery cell are coated with graphene conductive agents;
after the positive lugs of the battery cells are overlapped, the rivets penetrate through the through holes of the positive lugs and penetrate through a gasket to be riveted and fixed, so that the positive lugs are combined in series and parallel;
after the negative electrode lugs of the battery cells are overlapped, the rivets penetrate through the through holes of the negative electrode lugs and penetrate through a gasket to be fastened and fixed in a riveting mode, so that the negative electrode lugs are combined in series and parallel.
2. A lithium battery cell facilitating a secure connection according to claim 1, characterized in that: the number of the battery cores is set to be 2-6.
3. A lithium battery cell facilitating a secure connection according to claim 2, characterized in that: the number of the battery cores is set to be 3.
4. A lithium battery cell facilitating a secure connection according to claim 1, characterized in that: the thickness of the graphene conductive agent coated on the two sides of the positive electrode tab is set to be 1-10 mu m.
5. A lithium battery cell facilitating a secure connection according to claim 1, characterized in that: the thickness of the graphene conductive agent coated on the two sides of the negative electrode tab is set to be 1-10 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921234033.7U CN210040380U (en) | 2019-07-31 | 2019-07-31 | Lithium cell convenient to fixed connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921234033.7U CN210040380U (en) | 2019-07-31 | 2019-07-31 | Lithium cell convenient to fixed connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210040380U true CN210040380U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921234033.7U Expired - Fee Related CN210040380U (en) | 2019-07-31 | 2019-07-31 | Lithium cell convenient to fixed connection |
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| Country | Link |
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| CN (1) | CN210040380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571846A (en) * | 2021-07-02 | 2021-10-29 | 厦门海辰新能源科技有限公司 | Current collector assembly, battery monomer, battery pack and manufacturing method of current collector assembly |
-
2019
- 2019-07-31 CN CN201921234033.7U patent/CN210040380U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571846A (en) * | 2021-07-02 | 2021-10-29 | 厦门海辰新能源科技有限公司 | Current collector assembly, battery monomer, battery pack and manufacturing method of current collector assembly |
| CN113571846B (en) * | 2021-07-02 | 2022-12-27 | 厦门海辰储能科技股份有限公司 | Current collector assembly, battery monomer, battery pack and manufacturing method of current collector assembly |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 Termination date: 20210731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |