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. 18, 2003
Filed:
Oct. 29, 1999
Applicant:
Inventors:
Jae-Yul Ryu, Choongcheongnam-do, KR;
Sang-Young Yoon, Choongcheongnam-do, KR;
Wan-Uk Choi, Choongcheongnam-do, KR;
Kyoo-Yoon Shim, Choongcheongnam-do, KR;
Sang-Jim Kim, Choongcheongnam-do, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/58 ; H01M 6/16 ;
U.S. Cl.
CPC ...
H01M 4/58 ; H01M 6/16 ;
Abstract
A rechargeable lithium battery includes a negative electrode with a graphite-based active material with boron as a donor and a positive electrode with a transition metal oxide-based active material. A separator is interposed between the negative and positive electrodes. The positive and negative electrodes and the separator are all saturated with an electrolyte. The electrolyte contains cyclic carbonate and chain carbonate at a ratio of 51:49 by volume percent.