ALKALINE STORAGE BATTERY AND ALKALINE STORAGE BATTERY SYSTEM USING ALKALINE STORAGE BATTERY

PROBLEM TO BE SOLVED: To solve such a problem that, when an alkaline storage battery is left for a long period of time without being charged or discharged, a charging voltage is shifted to a higher voltage side and a partial charge/discharge control circuit is apt to determine erroneously that an SO...

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Bibliographic Details
Main Authors AKAHO ATSUTOSHI, MAGARI YOSHIFUMI, TAKEE MASAO
Format Patent
LanguageEnglish
Published 14.03.2013
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:PROBLEM TO BE SOLVED: To solve such a problem that, when an alkaline storage battery is left for a long period of time without being charged or discharged, a charging voltage is shifted to a higher voltage side and a partial charge/discharge control circuit is apt to determine erroneously that an SOC of the alkaline storage battery has reached the upper limit.SOLUTION: An alkaline storage battery houses an electrode group obtained by laminating a sintered nickel positive electrode and negative electrode containing a nickel hydroxide as a main positive electrode active material via a separator in a container together with an alkaline electrolyte. The nickel hydroxide contains 6 to 10 mol% of yttrium, and the length of a c axis of the nickel hydroxide is constantly 4.65 or more.
Bibliography:Application Number: JP20110188166