CYLINDRICAL TYPE ALKALINE STORAGE BATTERY

A cylindrical type alkaline storage battery includes a metallic case, a sealing plate for the metallic case, and a spiral-shaped group of electrodes. The group of electrodes includes a positive electrode plate, a negative electrode plate and a separator. The sealing plate includes a cap-shaped termi...

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Bibliographic Details
Main Authors YOSHINAKA, TAKESHI, KAIYA, HIDEO, SUZUKI, NORIO
Format Patent
LanguageEnglish
French
German
Published 06.06.2007
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:A cylindrical type alkaline storage battery includes a metallic case, a sealing plate for the metallic case, and a spiral-shaped group of electrodes. The group of electrodes includes a positive electrode plate, a negative electrode plate and a separator. The sealing plate includes a cap-shaped terminal plate, which includes a cap part and a flange, and a disc-shaped filter on the underside of the flange. The disc shaped filter has a gas venting hole in its center. A safety valve is included between the flange and the filter. A space between the metallic case and the rims of the flange and of the filter is sealed with a gasket.
Bibliography:Application Number: EP20000902111