Title:
ELECTRODE PLATE, PREPARATION METHOD, COMPOSITE CURRENT COLLECTOR, BATTERY AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/242255
Kind Code:
A1
Abstract:
Provided in the present application is an electrode plate. The electrode plate comprises: a composite layer, which comprises a first surface and a second surface opposite each other, wherein a through hole is provided on the composite layer, and the through hole penetrates the first surface and the second surface; a conductive connector, which is provided inside the through hole; a first metal layer, which is provided on the first surface side of the composite layer; and a second metal layer, which is provided on the second surface side of the composite layer, wherein the first metal layer covers an opening of the through hole on the first surface, the second metal layer covers an opening of the through hole on the second surface, and both the first metal layer and the second metal layer come into contact with the conductive connector; and a position on the first metal layer corresponding to the through hole or a position on the second metal layer corresponding to the through hole is used for welding a tab. Further provided in the present application are a preparation method for an electrode plate, and a composite current collector, a battery and an electronic device.
Inventors:
XIE HONGBIN (CN)
Application Number:
PCT/CN2022/077107
Publication Date:
November 24, 2022
Filing Date:
February 21, 2022
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
H01M4/66; H01M4/13; H01M4/139; H01M10/0525; H01M50/533
Foreign References:
| CN111755700A | 2020-10-09 | |||
| CN110247056A | 2019-09-17 | |||
| CN113314696A | 2021-08-27 | |||
| JP2013045984A | 2013-03-04 | |||
| US20120315537A1 | 2012-12-13 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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