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:
Nov. 09, 2021
Filed:
Sep. 09, 2015
Applicant:
Nec Corporation, Tokyo, JP;
Inventors:
Qian Cheng, Tokyo, JP;
Noriyuki Tamura, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/587 (2010.01); H01M 4/36 (2006.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); C01B 32/05 (2017.01);
U.S. Cl.
CPC ...
H01M 4/587 (2013.01); C01B 32/05 (2017.08); H01M 4/366 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); C01P 2006/11 (2013.01); C01P 2006/14 (2013.01); C01P 2006/16 (2013.01);
Abstract
To provide an anode material for implementing a lithium-ion battery that is capable of high-speed charging and excellent in cycle characteristics, and has high capacity. The anode material includes a spherical particle of graphite or graphite-carbon composite provided with pores on the surface and inner channels in the core part of the particle, the inner channels being interconnected to the pores.