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:
Aug. 12, 2003
Filed:
Feb. 28, 2001
Applicant:
Inventors:
Kenji Arisawa, Hyogo, JP;
Takuya Tamagawa, Hyogo, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 1/026 ; H01M 0/432 ;
U.S. Cl.
CPC ...
H01M 1/026 ; H01M 0/432 ;
Abstract
An alkaline storage battery having stable charging/discharging characteristics over a wide temperature range is provided. A nickel sintered base member is filled with a predetermined amount of nickel hydroxide according to a chemical impregnating method to produce a nickel positive electrode . At least one compound selected from a Ca compound, an Sr compound, an Sc compound, a Y compound, and a lanthanoid compound is added to the nickel positive electrode . An alkaline electrolytic solution for this storage battery contains at least one of KOH, NaOH, RbOH, and CsOH as an electrolyte, and has an alkaline concentration of 10 mol/l or higher.