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:
Dec. 16, 2025
Filed:
Sep. 09, 2022
Applicant:
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
Inventors:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 32/205 (2017.01); H01M 4/02 (2006.01); H01M 4/133 (2010.01); H01M 4/587 (2010.01); H01M 10/052 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
C01B 32/205 (2017.08); H01M 4/133 (2013.01); H01M 4/587 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01);
Abstract
A method for preparing a modified graphite includes performing crushing on coal-based needle coke to obtain a first material, performing shaping fine powder removal on the first material to obtain a second material, performing heat treatment on the second material in a reaction kettle and then cooling the second material after the heat treatment to room temperature to obtain a third material, and performing graphitization on the third material in a graphitization furnace and then cooling the third material after the graphitization to room temperature to obtain the modified graphite.