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. 17, 2004
Filed:
Apr. 24, 2001
Applicant:
Inventors:
Katsunori Komori, Aichi, JP;
Naoto Sato, Shizuoka, JP;
Akihiro Taniguchi, Aichi, JP;
Munehisa Ikoma, Aichi, JP;
Yasuhiro Takahashi, Aichi, JP;
Takashi Ito, Aichi, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/36 ; H01M 2/16 ; H01M 4/58 ; H01M 1/024 ; H01M 2/18 ;
U.S. Cl.
CPC ...
H01M 2/36 ; H01M 2/16 ; H01M 4/58 ; H01M 1/024 ; H01M 2/18 ;
Abstract
An alkaline storage battery having excellent self-discharge characteristics even after a number of charge-discharge cycles is provided. The alkaline storage battery is provided with a case and an electrode group enclosed in the case, and a separator that is included in the electrode group retains at least 15 mg/cm of an electrolyte at least in a period after assembling the battery, from the time the separator is impregnated with the electrolyte to the time the battery is activated.