Title:
ELECTROLYTIC COPPER FOIL PROOF AGAINST TEAR OR WRINKLE DEFECTS, ELECTRODE COMPRISING SAME, SECONDARY BATTERY COMPRISING SAME, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/101176
Kind Code:
A1
Abstract:
An embodiment of the present invention provides an electrolytic copper foil, which comprises a copper layer and has a valley mean roughness of 0.8-12.5, a texture coefficient of (220) face (TC (220)) of 0.49-1.28, a tensile strength of 25-51 kgf/mm2, and a weight deviation in lateral direction of 3% or less.
Inventors:
KIM SEUNG MIN (KR)
JUNG IN SOO (KR)
KIM YOUNG TAE (KR)
JUN SANG HYUN (KR)
JUNG IN SOO (KR)
KIM YOUNG TAE (KR)
JUN SANG HYUN (KR)
Application Number:
PCT/KR2020/015965
Publication Date:
May 27, 2021
Filing Date:
November 13, 2020
Export Citation:
Assignee:
SK NEXILIS CO LTD (KR)
International Classes:
C25D1/04; C23C22/24; C23C28/00; C25D3/38; H01M4/13; H01M4/66; H01M10/052
Domestic Patent References:
| WO2018155972A2 | 2018-08-30 |
Foreign References:
| KR20180137853A | 2018-12-28 | |||
| KR20190012922A | 2019-02-11 | |||
| EP1152071A1 | 2001-11-07 | |||
| KR20180054985A | 2018-05-25 |
Other References:
See also references of EP 3919655A4
Attorney, Agent or Firm:
ASTRAN INT'L IP GROUP (KR)
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