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:
Sep. 15, 2015
Filed:
Oct. 28, 2010
Applicants:
Sung-hwan Moon, Yongin-si, KR;
Jae-hyuk Kim, Yongin-si, KR;
Hee-young Chu, Yongin-si, KR;
Jong-seo Choi, Yongin-si, KR;
Inventors:
Sung-Hwan Moon, Yongin-si, KR;
Jae-Hyuk Kim, Yongin-si, KR;
Hee-Young Chu, Yongin-si, KR;
Jong-Seo Choi, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Giheung-gu, Yongin-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/64 (2006.01); H01M 4/68 (2006.01); H01M 4/70 (2006.01); H01M 4/72 (2006.01); H01M 4/66 (2006.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 4/661 (2013.01); H01M 10/052 (2013.01); Y02E 60/122 (2013.01);
Abstract
Disclosed is a rechargeable lithium battery including: a positive electrode; a negative electrode including a negative current collector including a copper foil having elongation of about 5% to about 10% and a particle size of about 1 μm to about 20 μm, and a negative active material layer provided on the negative current collector; and an electrolyte solution.