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:
Jan. 13, 2026
Filed:
Jan. 04, 2023
Applicant:
Cpc Corporation, Taiwan, Kaohsiung, TW;
Inventors:
Yan-Shi Chen, Chiayi, TW;
Guo-Hsu Lu, Chiayi, TW;
Assignee:
CPC CORPORATION, TAIWAN, Kaohsiung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/587 (2010.01); C01B 32/05 (2017.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/587 (2013.01); C01B 32/05 (2017.08); H01M 10/0525 (2013.01); C01P 2004/61 (2013.01); C01P 2004/84 (2013.01); C01P 2006/40 (2013.01); H01M 2004/027 (2013.01);
Abstract
A method for making a carbon material for an anode of a lithium-ion secondary battery includes a sequence of: a) heating a heavy hydrocarbon oil to obtain a green coke, b) heating the green coke to form a carbon-containing material, c) grinding the carbon-containing material into a powder, and collecting a portion of the powder, d) heating the portion of the powder to obtain a carbonaceous powder, and e) adding pitch to the carbonaceous powder and heating the pitch-contained carbonaceous powder. A lithium-ion secondary battery, which includes the anode having the carbon material, is also disclosed.