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:
Mar. 01, 2022
Filed:
Sep. 19, 2018
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Inventors:
Shinsuke Matsuhara, Miyoshi, JP;
Kazuhisa Takeda, Toyota, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/1391 (2010.01); H01M 10/0525 (2010.01); H01M 4/04 (2006.01); H01M 4/133 (2010.01); H01M 4/1393 (2010.01); H01M 4/48 (2010.01); H01M 4/36 (2006.01); H01M 4/587 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/1391 (2013.01); H01M 4/0471 (2013.01); H01M 4/133 (2013.01); H01M 4/1393 (2013.01); H01M 4/364 (2013.01); H01M 4/48 (2013.01); H01M 4/483 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract
A negative electrode material includes at least a graphite particle and a first metal oxide. The graphite particle includes at least one open pore. The graphite particle has a porosity not lower than 13% and not higher than 66%. The first metal oxide adheres to an inner wall of the open pore. The first metal oxide is lithium ion conductive and electron conductive. The first metal oxide is not smaller than 0.5 part by mass and not greater than 20 parts by mass with respect to 100 parts by mass of graphite particle.