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Title:
CURRENT COLLECTOR AND PREPARATION METHOD THEREFOR, NEGATIVE ELECTRODE, AND ELECTROCHEMICAL ENERGY STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/253174
Kind Code:
A1
Abstract:
The present application provides a current collector and a preparation method therefor, a negative electrode and an electrochemical energy storage device. The current collector comprises: a first polymer layer; a metal layer, the metal layer being located on one side of the first polymer layer; and a second polymer layer, the second polymer layer being located on the side of the metal layer that is away from the first polymer layer. In a direction from the first polymer layer to the second polymer layer, the current collector is provided with a plurality of through holes which penetrate the current collector.

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Inventors:
PAN YI (CN)
XIE JING (CN)
GUO ZIZHU (CN)
SUN HUAJUN (CN)
Application Number:
PCT/CN2022/095943
Publication Date:
December 08, 2022
Filing Date:
May 30, 2022
Export Citation:
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Assignee:
BYD CO LTD (CN)
International Classes:
H01M4/64; H01M4/134
Foreign References:
CN111430723A2020-07-17
CN112164804A2021-01-01
CN112599723A2021-04-02
JP2014096314A2014-05-22
CN109546084A2019-03-29
Attorney, Agent or Firm:
ZHIFAN & PARTNERS (CN)
Download PDF:
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