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:
May. 15, 2001
Filed:
Sep. 09, 1999
Jai Young Lee, Taejeon, KR;
Kuk Jin Jang, Taejeon, KR;
Young Soo Han, Taejeon, KR;
Hae Yeol Kim, Taejeon, KR;
Ji Sang Yu, Taejeon, KR;
Yun Sun Kang, Taejeon, KR;
Chan Do Park, Taejeon, KR;
Korea Advanced Institute of Science and Technology, Taejeon, KR;
Abstract
Disclosed is a carbonaceous material for anodes of lithium ion rechargeable batteries. The carbonaceous material consists of soot particles which are prepared from liquified propane gas through thermal decomposition. The soot particles are of disordered or amorphous carbon with very small crystallite sizes (L,, L,≦30 Å), containing a large quantity of unorganized carbon. When being used as an active material for an anode of a lithium ion secondary cell, the soot shows far greater reversible capacity than do conventional graphite carbonaceous materials.