Title:
POSITIVE ELECTRODE CURRENT COLLECTOR
Document Type and Number:
WIPO Patent Application WO/2021/132886
Kind Code:
A1
Abstract:
A positive electrode current collector according to the present invention is a positive electrode current collector which can replace metal foils, and comprises: a polymer film made of a non-metal nonconductive material; and an aluminum conductive material coated or applied to a thickness of 0.25-0.6 μm on at least one of the top surface or bottom surface of the polymer film to form the outermost surface of the positive electrode current collector, wherein in the event of an internal short-circuit or an external short-circuit, the conductive material may function as an electrochemical fuse or have the ability to block a short-circuit current or reduce the short-circuit current.
Inventors:
KIM KYUNG JOON (KR)
CHOI SEUNG HO (KR)
JIN YOUNG HUN (KR)
CHOI SEUNG HO (KR)
JIN YOUNG HUN (KR)
Application Number:
PCT/KR2020/016146
Publication Date:
July 01, 2021
Filing Date:
November 17, 2020
Export Citation:
Assignee:
U&S ENERGY INC (KR)
International Classes:
H01M50/572; H01M4/02; H01M4/66; H01M10/42
Foreign References:
| KR20150035205A | 2015-04-06 | |||
| KR20060102745A | 2006-09-28 | |||
| JPH1167188A | 1999-03-09 | |||
| KR20110109769A | 2011-10-06 | |||
| KR101036070B1 | 2011-05-19 |
Attorney, Agent or Firm:
YOO, Byung Wook et al. (KR)
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