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:
Jun. 21, 2022
Filed:
Nov. 29, 2018
Electrolytic copper foil, electrode comprising the same, and lithium ion battery comprising the same
Applicant:
Chang Chun Petrochemical Co., Ltd., Taipei, TW;
Inventors:
Yao-Sheng Lai, Taipei, TW;
Jian-Ming Huang, Taipei, TW;
Kuei-Sen Cheng, Taipei, TW;
Jui-Chang Chou, Taipei, TW;
Assignee:
CHANG CHUN PETROCHEMICAL CO., LTD., Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/66 (2006.01); C25C 1/12 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
C25C 1/12 (2013.01); H01M 4/661 (2013.01); H01M 10/0525 (2013.01);
Abstract
Provided are an electrolytic copper foil, an electrode comprising the same, and a lithium ion battery comprising the same. The electrolytic copper foil has a drum side and a deposited side opposing to the drum side, wherein a nanoindentation hardness of the drum side is equal to or larger than 0.5 GPa and equal to or smaller than 3.5 GPa; and a lightness of the drum side is equal to or larger than 25 and equal to or smaller than 75.