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:
Dec. 08, 2015
Filed:
Feb. 25, 2013
Applicant:
Panasonic Corporation, Osaka, JP;
Inventors:
Jun Nunome, Kyoto, JP;
Fumio Kato, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/08 (2006.01); H01M 2/02 (2006.01); H01M 4/06 (2006.01); H01M 4/62 (2006.01); H01M 4/50 (2010.01); H01M 6/08 (2006.01); H01M 4/46 (2006.01);
U.S. Cl.
CPC ...
H01M 2/022 (2013.01); H01M 4/06 (2013.01); H01M 4/50 (2013.01); H01M 4/62 (2013.01); H01M 6/085 (2013.01); H01M 4/46 (2013.01); H01M 4/466 (2013.01);
Abstract
In an alkaline battery in which a positive electrodecontaining manganese dioxide, a negative electrode, and a separatorinterposed therebetween are housed in a closed-end cylindrical battery casewhose opening is sealed with a gasket, a half-width of a 110 plane peak of the manganese dioxide measured by a powder X-ray diffraction analysis is in the range of 1.80-2.40 degrees, and anatase titanium dioxide is contained in the positive electrode such that a ratio of anatase titanium dioxide to the positive electrode is in the range of 0.10-1.50 mass %.