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. 02, 2022
Filed:
Jan. 21, 2020
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Inventor:
Yuji Yamamoto, Toyota, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0525 (2010.01); H01M 4/131 (2010.01); H01M 4/36 (2006.01); H01M 4/485 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 10/0525 (2013.01); H01M 4/131 (2013.01); H01M 4/366 (2013.01); H01M 4/485 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01);
Abstract
The art disclosed herein provides a lithium ion secondary cell in which the internal resistance of the secondary cell is further reduced. A lithium ion secondary cell includes electrodes including an active material. The active material includes, on the surface, two coating layers of a metal oxide layer including a metal oxide and an ion conductive layer including a lithium ion conductor. The metal oxide layer and the ion conductive layer are adjacent to each other.