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:
Nov. 19, 2019
Filed:
Mar. 07, 2014
Applicant:
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Inventors:
Assignee:
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2010.01); H01M 4/136 (2010.01); H01M 4/36 (2006.01); H01M 4/485 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/136 (2013.01); H01M 4/366 (2013.01); H01M 4/485 (2013.01); H01M 4/5825 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01);
Abstract
According to one embodiment, there is provided a positive electrode active material containing positive electrode active material particles. The positive electrode active material particles have an olivine structure. The positive electrode active material particles are represented by LiMnFeMPO(0<x≤0.5, 0≤y≤0.2, and M is at least one element selected from the group consisting of Mg, Ni, Co, Sn, and Nb) and satisfy, Formula (1) below.β<α  (1),