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:
Mar. 12, 2002
Filed:
Sep. 22, 2000
Kyou-Yoon Sheem, Cheonan-si, KR;
Sang-Young Yoon, Cheonan-si, KR;
Wan-Uk Choi, Cheonan-si, KR;
Jae-Yul Ryu, Cheonan-si, KR;
Sang-Jin Kim, Cheonan-si, KR;
Samsung SDI Co., Ltd., Suwon-si, KR;
Abstract
A negative active material for a rechargeable lithium battery which exhibits good high-rate charge characteristics and cycle life characteristics. The active material includes a crystalline carbon core and a semi-crystalline carbon shell. The semi-crystalline carbon shell includes at least one element or a compound of at least two different types of elements and carbides thereof, and has a turbostratic or half onion-sheath. The compound includes only element. The element serves a graphitization catalyst and causes a change in a structure of surrounding carbon. In particular, the negative active material includes metal boride and metal carbide.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile