CN215377572U - Lithium ion battery shell - Google Patents
Lithium ion battery shell Download PDFInfo
- Publication number
- CN215377572U CN215377572U CN202120189755.6U CN202120189755U CN215377572U CN 215377572 U CN215377572 U CN 215377572U CN 202120189755 U CN202120189755 U CN 202120189755U CN 215377572 U CN215377572 U CN 215377572U
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- positive pole
- side wall
- lithium ion
- ion battery
- negative pole
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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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- Battery Electrode And Active Subsutance (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a lithium ion battery shell which comprises a shell body, wherein the shell body is provided with a first side wall and a second side wall which are vertically and oppositely arranged, a positive pole column is arranged on the first side wall, and a negative pole column is arranged on the second side wall. According to the utility model, the positive pole column and the negative pole column are arranged on two sides of the battery cell shell in an inwards concave manner, so that the positive pole and the negative pole are better isolated, the risk of mutual contact is avoided, and the protection effect is achieved; the safety performance of electric core when saving is better improved, the electric core touches the workstation when contacting each other or empting, the short circuit phenomenon in the twinkling of an eye that causes.
Description
Technical Field
The utility model relates to the technical field of lithium ion batteries, in particular to a lithium ion battery shell.
Background
The lithium ion battery system used in the electric vehicle or the hybrid electric vehicle is formed by connecting dozens of even thousands of single battery cells in series and in parallel, which puts higher requirements on the consistency of the single battery cells in the system, namely the consistency of the capacity, voltage, internal resistance, appearance size and the like of the single battery cells in the system is good. However, the electric core always has the risk of mutual contact in the process of storage and carrying or in the assembly of the module, and the phenomenon of instantaneous discharge can occur when the electric core two-pole column contacts with the conductive object, so that the voltage of the single electric core is reduced, and even the safety risk of smoking and firing is caused. Therefore, the protection of the single cell pole is very important.
SUMMERY OF THE UTILITY MODEL
Based on the technical problems in the background art, the utility model provides a lithium ion battery shell.
The utility model provides a lithium ion battery shell, wherein a shell is provided with a first side wall and a second side wall which are vertically and oppositely arranged, a positive pole column is arranged on the first side wall, and a negative pole column is arranged on the second side wall.
Preferably, the first side wall is provided with a positive electrode groove, and the positive electrode column is arranged in the positive electrode groove.
Preferably, the positive pole base is embedded in the positive pole groove, the positive pole is embedded on the positive pole base, and the positive pole, the positive pole base and the shell are connected through the positive pole bolt.
Preferably, the second side wall is provided with a negative electrode groove, and the negative electrode column is arranged in the negative electrode groove.
Preferably, a negative pole seat is embedded in the negative pole groove, the negative pole column is embedded on the negative pole seat, and the negative pole column, the negative pole seat and the shell are connected through a negative pole bolt.
The utility model further provides a lithium ion battery, which comprises the lithium ion battery shell.
The utility model further provides a lithium ion battery module which comprises the lithium ion battery.
According to the lithium ion battery shell, the positive pole column and the negative pole column are arranged on two sides of the battery cell shell in an inwards concave manner, so that the positive pole and the negative pole are better isolated, the risk of mutual contact is avoided, and the protection effect is achieved; the safety performance of the battery cell during storage is better improved, and the phenomenon of instant short circuit caused by the fact that the battery cells touch a workbench when being mutually contacted or toppled over is avoided; and when the single electric core is matched to form a module, the positive and negative poles are welded separately and respectively welded on two sides of the electric core, so that the short circuit and fire explosion phenomena caused by mutual contact during welding are better avoided.
Drawings
Fig. 1 is a schematic structural diagram of a lithium ion battery case according to the present invention;
fig. 2 is a partial structural view of a lithium ion battery case according to the present invention;
fig. 3 is a partial structural view of a lithium ion battery case according to the present invention;
fig. 4 is a schematic structural diagram of a lithium ion battery module according to the present invention.
Detailed Description
Referring to fig. 1-3, the utility model provides a lithium ion battery case, in which a case 1 has a first side wall 2 and a second side wall 3 that are vertically arranged opposite to each other, a positive post 4 is disposed on the first side wall 2, and a negative post 5 is disposed on the second side wall 3.
Specifically, the first side wall 2 is provided with a positive electrode groove 6, and the positive electrode post 4 is installed in the positive electrode groove 6. The positive pole groove 6 is internally embedded with a positive pole seat 7, the positive pole column 4 is embedded on the positive pole seat 7, and the positive pole column 4, the positive pole seat 7 and the shell 1 are connected through a positive pole bolt 8.
Specifically, the second side wall 3 is provided with a negative electrode groove 9, and the negative electrode pillar 5 is installed in the negative electrode groove 9. The negative electrode groove 9 is internally embedded with a negative electrode seat 10, the negative electrode post 5 is embedded on the negative electrode seat 10, and the negative electrode post 5, the negative electrode seat 10 and the shell 1 are connected through a negative electrode bolt 11.
According to the utility model, the positive pole post 4 and the negative pole post 5 are arranged at two sides of the battery cell shell 1 in an inwards concave manner, so that the positive pole and the negative pole are better isolated, the risk of mutual contact is avoided, and the protection effect is achieved; the safety performance of electric core when saving is better improved, the electric core touches the workstation when contacting each other or empting, the short circuit phenomenon in the twinkling of an eye that causes. And when the monomer electric core is matched to form a module, the positive pole and the negative pole are welded separately and respectively welded on two sides of the electric core, as shown in figure 2, the phenomenon of short circuit, fire and explosion caused by mutual contact during welding is better avoided.
The utility model also provides a lithium ion battery, which comprises the lithium ion battery shell. The positive pole column 4 and the negative pole column 5 are arranged on two sides of the battery cell shell 1 in an inwards concave manner, so that the positive pole and the negative pole are better isolated, the risk of mutual contact is avoided, and the protection effect is achieved; the safety performance of electric core when saving is better improved, the electric core touches the workstation when contacting each other or empting, the short circuit phenomenon in the twinkling of an eye that causes. And when the monomer electric core is matched to form a module, the positive pole and the negative pole are welded separately and respectively welded on two sides of the electric core, as shown in figure 2, the phenomenon of short circuit, fire and explosion caused by mutual contact during welding is better avoided.
Referring to fig. 4, the utility model further provides a lithium ion battery module, including the lithium ion battery as described above. The positive pole column 4 and the negative pole column 5 are arranged on two sides of the battery cell shell 1 in an inwards concave manner, so that the positive pole and the negative pole are better isolated, the risk of mutual contact is avoided, and the protection effect is achieved; the safety performance of electric core when saving is better improved, the electric core touches the workstation when contacting each other or empting, the short circuit phenomenon in the twinkling of an eye that causes. And when the monomer electric core is matched to form a module, the positive pole and the negative pole are welded separately and respectively welded on two sides of the electric core, as shown in figure 2, the phenomenon of short circuit, fire and explosion caused by mutual contact during welding is better avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (3)
1. The lithium ion battery shell is characterized by comprising a shell body, wherein the shell body (1) is provided with a first side wall (2) and a second side wall (3) which are vertically and oppositely arranged, a positive pole (4) is arranged on the first side wall (2), and a negative pole (5) is arranged on the second side wall (3);
the first side wall (2) is provided with an anode groove (6), and the anode post (4) is arranged in the anode groove (6);
the positive pole groove (6) is internally embedded with a positive pole seat (7), the positive pole column (4) is embedded on the positive pole seat (7), and the positive pole column (4), the positive pole seat (7) and the shell (1) are connected through a positive pole bolt (8);
a negative electrode groove (9) is formed in the second side wall (3), and the negative electrode post (5) is arranged in the negative electrode groove (9);
the negative pole groove (9) is embedded with a negative pole seat (10), the negative pole column (5) is embedded on the negative pole seat (10) and the negative pole column (5), the negative pole seat (10) and the shell (1) are connected through a negative pole bolt (11).
2. A lithium ion battery comprising the lithium ion battery housing of claim 1.
3. A lithium ion battery module comprising the lithium ion battery of claim 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120189755.6U CN215377572U (en) | 2021-01-22 | 2021-01-22 | Lithium ion battery shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120189755.6U CN215377572U (en) | 2021-01-22 | 2021-01-22 | Lithium ion battery shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215377572U true CN215377572U (en) | 2021-12-31 |
Family
ID=79621473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120189755.6U Active CN215377572U (en) | 2021-01-22 | 2021-01-22 | Lithium ion battery shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215377572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023115743A1 (en) * | 2021-12-20 | 2023-06-29 | 北京卫蓝新能源科技有限公司 | Square-shell lithium-ion battery |
-
2021
- 2021-01-22 CN CN202120189755.6U patent/CN215377572U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023115743A1 (en) * | 2021-12-20 | 2023-06-29 | 北京卫蓝新能源科技有限公司 | Square-shell lithium-ion battery |
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