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:
Jul. 12, 2022
Filed:
Apr. 26, 2021
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Inventor:
Tomohiro Yokoyama, Toyota, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/04 (2006.01); H01M 4/62 (2006.01); H01M 4/1391 (2010.01); H01M 4/525 (2010.01); H01M 4/36 (2006.01); H01M 10/0525 (2010.01); H01M 4/48 (2010.01); H01M 4/139 (2010.01); H01M 4/131 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/0404 (2013.01); H01M 4/0471 (2013.01); H01M 4/131 (2013.01); H01M 4/139 (2013.01); H01M 4/1391 (2013.01); H01M 4/483 (2013.01); H01M 4/525 (2013.01); H01M 4/62 (2013.01); H01M 4/628 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01);
Abstract
A positive electrode plate of a lithium ion secondary battery includes a current collector foil, an active material layer including positive electrode active material particles containing lithium oxide on the current collector foil, and a protective conductive layer that does not include the positive electrode active material particles and includes a conductive material and a binding agent on the active material layer.