Title:
SURFACE-TREATED COPPER FOIL, METHOD FOR PRODUCING SAME, AND NEGATIVE ELECTRODE FOR SECONDARY BATTERY INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2021/125410
Kind Code:
A1
Abstract:
Disclosed are: a surface-treated copper foil for a secondary battery negative electrode collector; a method for producing same; and a negative electrode for a secondary battery including same, wherein needle-shaped copper particles having an average major-axis length of about 0.6 μm to about 2.0 μm are spaced apart about 1 μm to about 5 μm from each other on at least one surface of the copper foil.
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Inventors:
YOON SANG HWA (KR)
SEO JUNG WOO (KR)
CHOI EUN SIL (KR)
RYU YOUNG HO (KR)
KIM HYUNG CHEOL (KR)
BEOM WON JIN (KR)
SONG KI DEOK (KR)
YANG CHANG YOL (KR)
SEO JUNG WOO (KR)
CHOI EUN SIL (KR)
RYU YOUNG HO (KR)
KIM HYUNG CHEOL (KR)
BEOM WON JIN (KR)
SONG KI DEOK (KR)
YANG CHANG YOL (KR)
Application Number:
PCT/KR2019/018231
Publication Date:
June 24, 2021
Filing Date:
December 20, 2019
Export Citation:
Assignee:
ILJIN MAT CO LTD (KR)
International Classes:
H01M4/66; C23C28/00; C25D5/12; H01M4/02; H01M4/13
Foreign References:
| KR20130030806A | 2013-03-27 | |||
| KR20180090736A | 2018-08-13 | |||
| KR20080039035A | 2008-05-07 | |||
| KR20110023398A | 2011-03-08 | |||
| JP6530866B2 | 2019-06-12 |
Other References:
See also references of EP 4080620A4
Attorney, Agent or Firm:
AJU INTERNATIONAL LAW & PATENT GROUP (KR)
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