Title:
ELECTROCHEMICAL APPARATUS AND ELECTRIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/065365
Kind Code:
A1
Abstract:
Disclosed in the present application are an electrochemical apparatus and an electric device. The electrochemical apparatus comprises: a pole piece, which comprises a current collector, and an active material layer and a plurality of tab connecting portions that are arranged on the surface of the current collector, wherein each tab connecting portion comprises a first part and a second part; in an unfolded state of the pole piece, the first parts of the plurality of tab connecting portions extend from an edge of the current collector in the widthwise direction of the pole piece, and are arranged at intervals; and the second parts are arranged on the surfaces of the first parts, and are electrically connected to the first parts.
Inventors:
LI FANGFANG (CN)
DAI ZHIFANG (CN)
HU XIAOMING (CN)
DAI ZHIFANG (CN)
HU XIAOMING (CN)
Application Number:
PCT/CN2022/122468
Publication Date:
April 04, 2024
Filing Date:
September 29, 2022
Export Citation:
Assignee:
NINGDE AMPEREX TECHNOLOGY LTD (CN)
International Classes:
H01M50/531; G06F15/16; H01M10/0587; H01M50/536; H01M50/538
Foreign References:
| CN114497443A | 2022-05-13 | |||
| CN210136972U | 2020-03-10 | |||
| CN216251026U | 2022-04-08 | |||
| CN113922000A | 2022-01-11 | |||
| CN113097658A | 2021-07-09 | |||
| CN111180666A | 2020-05-19 |
Attorney, Agent or Firm:
BEIJING HEADSTAY INTELLECTUAL PROPERTY AGENCY (CN)
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