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:
Jun. 24, 2025
Filed:
Mar. 09, 2022
Applicant:
Ningde Amperex Technology Limited, Fujian, CN;
Inventors:
Assignee:
NINGDE AMPEREX TECHNOLOGY LIMITED, Ningde, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/134 (2010.01); H01M 4/62 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/134 (2013.01); H01M 4/623 (2013.01); H01M 4/625 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract
An anode material includes a silicon composite substrate, wherein the D50 of the silicon composite substrate is from 2.5 μm to 15 μm, and the particle size distribution of the silicon composite substrate meets 0.1≤Dn10/Dv50≤0.6. The anode material has good cycle performance, and the battery prepared with the anode material has good rate performance and lower swelling rate.