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. 03, 2005
Filed:
Jul. 29, 1999
Applicants:
Jae-yul Ryu, Cheonan-si, KR;
Sang-young Yoon, Cheonan-si, KR;
Kyou-yoon Sheem, Cheonan-si, KR;
Sang-jin Kim, Cheonan-si, KR;
Wan-uk Choi, Cheonan-si, KR;
Inventors:
Jae-yul Ryu, Cheonan-si, KR;
Sang-young Yoon, Cheonan-si, KR;
Kyou-yoon Sheem, Cheonan-si, KR;
Sang-jin Kim, Cheonan-si, KR;
Wan-uk Choi, Cheonan-si, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M004/36 ; H01M004/60 ;
U.S. Cl.
CPC ...
Abstract
Disclosed is carbonaceous active material for a lithium-ion secondary battery. Conducting a differential thermal analysis on the carbonaceous active material results in the displaying of at least two exothermic peaks overlapping to form shoulders.