The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 26, 2020
Filed:
May. 03, 2019
Applicant:
Chang Chun Petrochemical Co., Ltd., Taipei, TW;
Inventors:
Huei-Fang Huang, Taipei, TW;
Kuei-Sen Cheng, Taipei, TW;
Jui-Chang Chou, Taipei, TW;
Yao-Sheng Lai, Taipei, TW;
Assignee:
Chang Chun Petrochemical Co., Ltd., Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21C 37/00 (2006.01); H01M 4/66 (2006.01); H01M 10/0525 (2010.01); C22C 9/00 (2006.01); C25D 1/04 (2006.01); H01M 4/04 (2006.01); C25D 7/06 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/661 (2013.01); C22C 9/00 (2013.01); C25D 1/04 (2013.01); C25D 7/0614 (2013.01); H01M 4/0402 (2013.01); H01M 4/667 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01); H01M 2220/30 (2013.01);
Abstract
The present disclosure provides an electrodeposited copper foil having a puncture strength value and a tear strength value. A ratio of the puncture strength value to the tear strength value is from 14 to 64. The present disclosure also provides a lithium-ion secondary battery. The lithium-ion secondary battery is manufactured by using the electrodeposited copper foil and has excellent charge-discharge cycle life.