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 (KR)
JO TAE JIN (KR)
PARK SEUL KI (KR)
SONG KI DEOK (KR)
JO TAE JIN (KR)
PARK SEUL KI (KR)
SONG KI DEOK (KR)
Application Number:
PCT/KR2013/009231
Publication Date:
April 24, 2014
Filing Date:
October 16, 2013
Export Citation:
Assignee:
ILJIN MATERIALS CO LTD (KR)
International Classes:
B32B15/04; C25D3/38; C25D7/06; H05K1/09
Domestic Patent References:
| WO2012070591A1 | 2012-05-31 |
Foreign References:
| KR20070107803A | 2007-11-07 | |||
| KR101115913B1 | 2012-02-10 | |||
| KR20060121211A | 2006-11-28 | |||
| KR20040012601A | 2004-02-11 | |||
| KR19990067960A | 1999-08-25 |
Attorney, Agent or Firm:
HAN, Chi Won (6th FL. Maegang Bldg.,1503-9, Seocho-don, Seocho-gu Seoul 137-952, KR)
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