Interelectrode separator for electrochemical cell

Interelectrode separator for electrochemical cell

A high-temperature electrochemical cell includes an anode containing an alkali metal, a cathode containing a chalcogen, and an electrically insulative separator wetted with electrolyte, between the electrodes. The separator is a porous layer of boron nitride processed to be substantially free of B2O...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MRAZEK, FRANKLIN C, BATTLES, JAMES E
Format: Patent
Sprache:eng
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:A high-temperature electrochemical cell includes an anode containing an alkali metal, a cathode containing a chalcogen, and an electrically insulative separator wetted with electrolyte, between the electrodes. The separator is a porous layer of boron nitride processed to be substantially free of B2O3. This purification prevents the formation of an electrically conductive layer resulting from reactions involving boron oxide.