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. 15, 2022
Filed:
Sep. 27, 2019
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 4/66 (2006.01); H01M 4/133 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/663 (2013.01); H01M 4/133 (2013.01); H01M 2004/028 (2013.01);
Abstract
An electrode using a carbon nanotube as a conductive material and having a small resistance is provided. An electrode for a secondary battery disclosed herein has a collector, and an active material layer formed on the collector. The active material layer includes an active material and carbon nanotubes. Each of the carbon nanotube has a coating of a material including an element with a higher electronegativity than that of carbon on at least a part of the surface thereof.