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:
Aug. 13, 2024
Filed:
Nov. 22, 2018
Applicant:
Showa Denko Materials Co., Ltd., Tokyo, JP;
Inventors:
Hideyuki Tsuchiya, Tokyo, JP;
Tsutomu Satoh, Tokyo, JP;
Assignee:
RESONAC CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2010.01); C01B 32/205 (2017.01); H01M 4/133 (2010.01); H01M 4/587 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/587 (2013.01); C01B 32/205 (2017.08); H01M 4/133 (2013.01); H01M 10/0525 (2013.01); C01P 2004/32 (2013.01); C01P 2006/12 (2013.01); C01P 2006/40 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract
A negative electrode material for a lithium-ion secondary cell, comprising carbon particles having an oxygen content of 0.15% by mass or less.