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. 20, 2018
Filed:
Oct. 03, 2014
Applicant:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Inventors:
Keigo Hoshina, Kanagawa, JP;
Hiroki Inagaki, Kanagawa, JP;
Norio Takami, Kanagawa, JP;
Kiyoshi Kanamura, Tokyo, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2010.01); C01B 25/45 (2006.01); H01M 10/0525 (2010.01); H01M 4/485 (2010.01);
U.S. Cl.
CPC ...
H01M 4/5825 (2013.01); C01B 25/45 (2013.01); H01M 4/485 (2013.01); H01M 10/0525 (2013.01); Y10T 428/2982 (2015.01);
Abstract
A positive electrode active material includes LiMnMPO(wherein M represents at least one element selected from Mg, Fe, Ni, Co, Ti, and Zr; and 0≤x<0.5) and has an average pore diameter of 8 nm or more and not more than 25 nm and a total pore volume of 0.05 cm/g or more and not more than 0.3 cm/g.