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:
Feb. 13, 2018
Filed:
Dec. 27, 2012
Applicant:
Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;
Inventors:
Tetsuya Mitsumoto, Takehara, JP;
Hitohiko Ide, Takehara, JP;
Shinya Kagei, Takehara, JP;
Yoshimi Hata, Takehara, JP;
Natsumi Shibamura, Takehara, JP;
Assignee:
Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/505 (2010.01); C01G 53/00 (2006.01);
U.S. Cl.
CPC ...
H01M 4/505 (2013.01); C01G 53/50 (2013.01);
Abstract
Provided is a new spinel type lithium manganese transition metal oxide for use in lithium batteries, which can increase the capacity retention ratio during cycling, and can increase the power output retention ratio during cycling. Disclosed is a spinel type lithium manganese transition metal oxide having an angle of repose of 50° to 75°, and having an amount of moisture (25° C. to 300° C.) measured by the Karl Fischer method of more than 0 ppm and less than 400 ppm.