INORGANIC/ORGANIC SEPARATOR MATERIALS FOR SECONDARY ALKALINE BATTERY SYSTEMS

INORGANIC/ORGANIC SEPARATOR MATERIALS FOR SECONDARY ALKALINE BATTERY SYSTEMS

An inorganic/organic separator material, capable of relatively long cycle life in deep discharge conditions in secondary alkaline systems, particularly when used with other separator materials, is provided which comprises micrometer-sized particles of an inorganic material such as titanium dioxide d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BUCCI, GIUSEPPE D, BOLSTAD, JAMES J
Format: Patent
Sprache:eng ; fre
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:An inorganic/organic separator material, capable of relatively long cycle life in deep discharge conditions in secondary alkaline systems, particularly when used with other separator materials, is provided which comprises micrometer-sized particles of an inorganic material such as titanium dioxide dispersed in a matrix of an organic polymer such as a styrene-butadiene polymer. In a preferred embodiment, two types of inorganic particles are utilized, one being leachable in the alkaline electrolyte used and the other being non-leachable.