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:
Oct. 13, 2015
Filed:
Feb. 25, 2013
Applicants:
Jun Nunome, Kyoto, JP;
Fumio Kato, Osaka, JP;
Inventors:
Jun Nunome, Kyoto, JP;
Fumio Kato, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/24 (2006.01); H01M 4/48 (2010.01); H01M 4/62 (2006.01); H01M 10/24 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/24 (2013.01); H01M 4/48 (2013.01); H01M 4/625 (2013.01); H01M 10/24 (2013.01); H01M 2004/021 (2013.01); Y02E 60/124 (2013.01);
Abstract
In an alkaline battery, a positive electrodecontaining manganese dioxide, a negative electrode, and a separatorinterposed therebetween are housed in a closed-end cylindrical battery casewhose openingis sealed with a gasket. The positive electrode contains graphite in such a manner that a ratio of graphite to the positive electrode is in the range of 2.5-4.3 mass %. A half-width of a 110 plane of the manganese dioxide measured by a powder X-ray diffraction analysis is in the range of 2.00-2.40 degrees.