Button type lithium ion battery shell
The utility model relates to the technical field of batteries, and discloses a button type lithium ion battery shell which comprises a shell body, a first cover body and a second cover body, the shell body is of a hollow columnar structure with two open ends, a roll core is arranged in the shell bod...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model relates to the technical field of batteries, and discloses a button type lithium ion battery shell which comprises a shell body, a first cover body and a second cover body, the shell body is of a hollow columnar structure with two open ends, a roll core is arranged in the shell body, the first cover body is arranged at one end of the shell body, and the second cover body is arranged at the other end of the shell body. The second cover body comprises a first cover plate and a second cover plate, the first cover plate is connected with the outer shell, a through hole is formed in the first cover plate, one end, far away from the outer shell, of the first cover plate is concavely provided with a concave connecting part towards the outer shell, and the second cover plate is arranged in the concave connecting part. The button type lithium ion battery shell can improve the battery capacity of the lithium ion battery so as to prolong the battery endurance.
本实用新型涉及电池技术领域，公开了一种扣式锂离子电池外壳，包括外壳体、第一盖体和第二 |
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