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Title:
ELECTROLYTIC COPPER FOIL, ELECTRIC PART AND BATTERY INCLUDING SAME, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2014/061983
Kind Code:
A1
Abstract:
An electrolytic copper foil of which the surface roughness of a precipitation surface, Rz, is less than 1.4 μm, the tensile strength after heat treatment is at least 40 kgf/mm2, and the elongation percentage is at least 4% is suggested. The electrolytic copper foil maintains low roughness and high strength while having a high elongation percentage, and may be used in a current collector of a lithium ion secondary battery having a medium to large size, and in a packing for tape automated bonding (TAB) used in a tape carrier package (TCP).

Inventors:
LEE, Sun Hyoung (#103-903, Unam Combi Town Apt.Busong-dong, Iksan-si, Jeollabuk-do 570-775, 570-775, KR)
JO, Tae Jin (#401, Yeongwon Goldenvill1942, Sangdaewon 1-dong, Jungwon-g, Seongnam-si Gyeonggi-do 462-813, 462-813, KR)
PARK, Seul Ki (1525, Osan-ri Gogun-myeo, Jindo-gun Jeollanam-do 539-814, 539-814, KR)
SONG, Ki Deok (191-2, Seryu 1-dong Gwonseon-g, Suwon-si Gyeonggi-do 441-862, 441-862, KR)
Application Number:
KR2013/009231
Publication Date:
April 24, 2014
Filing Date:
October 16, 2013
Export Citation:
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Assignee:
ILJIN MATERIALS CO., LTD. (827 Palbong-dong, Iksan-si, Jeollabuk-do 570-300, 570-300, KR)
International Classes:
B32B15/04; C25D3/38; C25D7/06; H05K1/09
Domestic Patent References:
WO2012070591A12012-05-31
Foreign References:
KR20070107803A2007-11-07
KR101115913B12012-02-10
KR20060121211A2006-11-28
KR20040012601A2004-02-11
KR19990067960A1999-08-25
Attorney, Agent or Firm:
HAN, Chi Won (H&H International Patent Office, 6th FL. Maegang Bldg.,1503-9, Seocho-don, Seocho-gu Seoul 137-952, 137-952, KR)
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