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:
Sep. 27, 2016
Filed:
Jul. 28, 2015
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Inventor:
Hideyuki Koga, Susono, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2010.01); H01M 10/052 (2010.01); C01B 25/45 (2006.01);
U.S. Cl.
CPC ...
H01M 4/5825 (2013.01); C01B 25/45 (2013.01); C01P 2002/72 (2013.01); C01P 2006/40 (2013.01); H01M 10/052 (2013.01);
Abstract
The main object of the present invention is to provide a cathode active material for a lithium secondary battery with high theoretical capacity. The present invention solves the problem by providing a cathode active material for a lithium secondary battery, wherein the cathode active material comprises a crystal structure belonging to a space group C12/c1, and is represented by (NaLi)MN(PO)(0.5≦α≦1, 2.5≦x≦3.5, 0≦y≦0.5, 1.5≦z≦2.5, M is at least one of V and Fe, and N is at least one of Co, Ni and Mn).