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. 11, 2013
Filed:
Dec. 21, 2009
Applicants:
Dong-hyun Lee, Suwon-Si, KR;
Sang-eun Cheon, Suwon-Si, KR;
Tatsuya Hashimoto, Suwon-Si, KR;
Seok-yoon Yoo, Suwon-Si, KR;
Chi-young Lee, Suwon-Si, KR;
Inventors:
Dong-Hyun Lee, Suwon-Si, KR;
Sang-Eun Cheon, Suwon-Si, KR;
Tatsuya Hashimoto, Suwon-Si, KR;
Seok-Yoon Yoo, Suwon-Si, KR;
Chi-Young Lee, Suwon-Si, KR;
Assignees:
Samsung SDI Co., Ltd., Yongin-si, KR;
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rechargeable battery includes an electrode assembly comprising a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode wound together and a case housing the electrode assembly, wherein the electrode assembly has an inner surface and an outer surface having a concave portion.