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:
Feb. 23, 2010
Filed:
Aug. 19, 2004
Applicant:
Chan-jung Kim, Suwon-si, KR;
Inventor:
Chan-Jung Kim, Suwon-si, KR;
Assignee:
Samsung SDI Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lithium secondary battery includes an electrode assembly where a negative plate and a positive plate are rolled in the form of a spiral while interposing a separator with a modulus of elasticity of around 2.0 kg/mmor less in the longitudinal direction. A can, inside of which the electrode assembly is mounted together with an electrolyte, is electrically connected to one of the negative plate and the positive plate of the electrode assembly. A cap assembly is fitted to the top of the can, and is electrically connected to the other of the positive plate and the negative plate of the electrode assembly.