Title:
CURRENT COLLECTOR AND PREPARATION METHOD THEREFOR AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/206689
Kind Code:
A1
Abstract:
A current collector and a preparation method therefor and the use thereof. The current collector comprises a fiber base layer, a first bonding layer and a second bonding layer are arranged on the surfaces of the two sides of the fiber base layer respectively, and a first metal layer and a second metal layer are arranged on the surfaces, away from the fiber base layer, of the first bonding layer and the second bonding layer respectively. The material of the fiber base layer comprises the following components in parts by weight: 50-120 parts of composite fibers, 4.1-19 parts of an inorganic filler, and an auxiliary agent, wherein the composite fibers comprise organic fibers and inorganic fibers. The provided current collector may achieve light weight of a battery, and avoid falling of a metal layer at the same time.
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Inventors:
ZHOU GAOYANG (CN)
LI XUEFA (CN)
ZHANG GUOPING (CN)
LI XUEFA (CN)
ZHANG GUOPING (CN)
Application Number:
PCT/CN2022/095479
Publication Date:
November 02, 2023
Filing Date:
May 27, 2022
Export Citation:
Assignee:
YANGZHOU NANOPORE INNOVATIVE MATERIALS TECH LTD (CN)
International Classes:
H01M4/80; B32B5/02; B32B7/12; B32B9/00; B32B9/04; H01M4/13; H01M4/66
Foreign References:
| CN109830688A | 2019-05-31 | |||
| EP3968418A1 | 2022-03-16 | |||
| CN113707886A | 2021-11-26 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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