Electrodes for battery and method for fabricating the same

An electrode for a battery with small dispersion in its discharge capacity and excellent reliability is disclosed. It comprises a sheet of porous metal substrate having three-dimensional communicating spaces, and an active material. The substrate has a higher porosity layer occupying most part of th...

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Bibliographic Details
Main Authors JUN MATUMURA, CHIKARA KASAI, KUNINORI OMURA
Format Patent
LanguageEnglish
Published 16.04.1997
Edition6
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:An electrode for a battery with small dispersion in its discharge capacity and excellent reliability is disclosed. It comprises a sheet of porous metal substrate having three-dimensional communicating spaces, and an active material. The substrate has a higher porosity layer occupying most part of the spaces connected to the first principal face and a lower porosity layer occupying the remaining part of the spaces connected to the second principal face; the lower porosity layer has a sufficiently smaller thickness than the higher porosity layer; and the active material is filled substantially in the higher porosity layer.
Bibliography:Application Number: CN19961001883