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:
Jan. 30, 2018
Filed:
Oct. 30, 2012
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;
Inventors:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2010.01); H01M 4/62 (2006.01); C01B 25/45 (2006.01); H01M 4/485 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/625 (2013.01); C01B 25/45 (2013.01); H01M 4/5825 (2013.01); H01M 4/485 (2013.01); H01M 10/0525 (2013.01);
Abstract
A lithium secondary battery is provided which can exhibit excellent battery performances for a long period of time and has an excellent crystal structure stability. The positive electrode of the lithium secondary battery provided according to the present invention includes positive electrode active material particles mainly containing a lithium-containing phosphate compound represented by the general formula: LiM[PA]O, where M is one or two or more elements selected from the group consisting of Ni, Mn, Fe and Co; A is a pentavalent metal element; and x and y are real numbers satisfying 0<x≦2 and 0<y≦0.15.