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Patent Searching and Data


Title:
ANTI-CREASING COPPER FOIL, ELECTRODE COMPRISING SAME, SECONDARY BATTERY COMPRISING SAME, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/027174
Kind Code:
A1
Abstract:
An embodiment of the present invention provides a copper foil, which comprises a copper layer having a matte surface and a shiny surface and an anti-rusting film disposed on the copper layer and has a residual stress of 0.5-25 Mpa based on an absolute value, the copper layer having crystalline faces, wherein in the sum of texture coefficients (TCs) of (111) face, (200) face, (220) face, and (311) face, which are the crystalline faces of the copper layer, the proportion [TCR(220)] of the texture coefficient of the (220) face [TC(220)] is 5-30%.

Inventors:
JIN, Shan Hua (39 LS-ro 116beon-gil, Dongan-gu,Anyang-si, Gyeonggi-do, 14118, KR)
LEE, An Na (39 LS-ro 116beon-gil, Dongan-gu,Anyang-si, Gyeonggi-do, 14118, KR)
KIM, Seung Min (39 LS-ro 116beon-gil, Dongan-gu,Anyang-si, Gyeonggi-do, 14118, KR)
Application Number:
KR2018/008399
Publication Date:
February 07, 2019
Filing Date:
July 25, 2018
Export Citation:
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Assignee:
KCF TECHNOLOGIES CO., LTD. (39 LS-ro 116beon-gil, Dongan-gu,Anyang-si, Gyeonggi-do, 14118, KR)
International Classes:
C25D1/04; C25D3/38; C25D5/34; C25D5/48; C25D21/06; H01M4/13; H01M4/66; H01M10/052
Foreign References:
KR20150011751A2015-02-02
JP2016050325A2016-04-11
JP2007131909A2007-05-31
JP2000182623A2000-06-30
KR20100125044A2010-11-30
Attorney, Agent or Firm:
ASTRAN INT'L IP GROUP (5th Floor, 233 Yeoksam-ro,,Gangnam-gu, Seoul, 06225, KR)
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