High performance cathode with controlled operating temperature range

High performance cathode with controlled operating temperature range

In a solid oxide fuel cell having an anode, a cathode, and a dense electrolyte disposed between the anode and the cathode, the cathode having a ceramic-ionic conducting phase of a plurality of ionic conducting particles and a metallic phase of a plurality of metallic particles. The metallic phase in...

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Bibliographische Detailangaben
Hauptverfasser: WOOD ANTHONY, JOIA TAHIR, TANG ZHENG, MARCOTTE KYLE, BENHADDAD SOFIANE, WALDBILLIG DAVID
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:In a solid oxide fuel cell having an anode, a cathode, and a dense electrolyte disposed between the anode and the cathode, the cathode having a ceramic-ionic conducting phase of a plurality of ionic conducting particles and a metallic phase of a plurality of metallic particles. The metallic phase includes a metal alloy having an oxide-to-metal transition temperature in the range of about 600° C. to about 800° C. With this cathode, solid oxide fuel cell operating temperatures as low as about 600° C. may be possible.