Title:
CURRENT COLLECTOR, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/208240
Kind Code:
A1
Abstract:
The present invention relates to the technical field of batteries, and in particular to a current collector, and a preparation method therefor and an application thereof. The current collector comprises a fiber base layer, a first bonding layer and a second bonding layer are respectively provided on the surfaces on both sides of the fiber base layer, and a first metal layer and a second metal layer are respectively provided on the surfaces of the first bonding layer and the second bonding layer furthest from the fiber base layer; a material for the fiber base layer comprises the following components in parts by weight: 50-120 parts of composite fibers, 4.1-19 parts of inorganic fillers and an auxiliary agent, wherein the composite fibers comprise organic fibers and inorganic fibers. According to the current collector provided by the present invention, the falling of the metal layers can be avoided while the light weight of a battery is realized.
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Inventors:
ZHOU GAOYANG (CN)
LI XUEFA (CN)
ZHANG GUOPING (CN)
LI XUEFA (CN)
ZHANG GUOPING (CN)
Application Number:
PCT/CN2023/091984
Publication Date:
November 02, 2023
Filing Date:
May 04, 2023
Export Citation:
Assignee:
YANGZHOU NANOPORE INNOVATIVE MATERIALS TECH LTD (CN)
International Classes:
H01M4/80; B32B5/02; B32B7/12; B32B9/00; B32B15/00; H01M4/13; H01M4/66
Foreign References:
| CN114678536A | 2022-06-28 | |||
| CN108281666A | 2018-07-13 | |||
| CN208336378U | 2019-01-04 | |||
| CN109830688A | 2019-05-31 | |||
| CN111430722A | 2020-07-17 | |||
| CN112151806A | 2020-12-29 | |||
| CN113707886A | 2021-11-26 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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