Title:
CELL AND POWER UTILIZATION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/227729
Kind Code:
A1
Abstract:
Provided in the present application are a cell and a power utilization apparatus. The cell is formed by winding a first pole piece, a diaphragm and a second pole piece, wherein the first pole piece comprises a first current collector, a first active substance layer that is arranged on the surface of the first current collector, and a first tab, the first active substance layer being provided with a first groove, and the first tab being arranged in the first groove and being electrically connected to the first current collector; and the second pole piece comprises a second current collector, a second active substance layer that is arranged on the surface of the second current collector, and a second tab, the second tab being integrally formed with the second current collector. The cell provided in the present application satisfies the requirement of a high-rate temperature rise, thereby facilitating the improvement of energy density.
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Inventors:
DAI ZHIFANG (CN)
ZHANG SEN (CN)
LONG HAI (CN)
ZHANG SEN (CN)
LONG HAI (CN)
Application Number:
PCT/CN2022/073047
Publication Date:
November 03, 2022
Filing Date:
January 20, 2022
Export Citation:
Assignee:
NINGDE AMPEREX TECHNOLOGY LTD (CN)
International Classes:
H01M4/13; H01M50/536; H01M50/538
Foreign References:
| CN113193163A | 2021-07-30 | |||
| CN104600250A | 2015-05-06 | |||
| CN212810487U | 2021-03-26 | |||
| CN107302109A | 2017-10-27 | |||
| CN107293804A | 2017-10-24 | |||
| JP2018137079A | 2018-08-30 | |||
| CN202110470292A | 2021-04-28 |
Attorney, Agent or Firm:
SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO.,LTD. (CN)
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