Cermet electrode

Details Cermet electrode Cermet electrode

H - Electricity

01

M

319/17

H01M 8/12 (2006.01) C25B 11/04 (2006.01)

Patent

CA 1292274

ABSTRACT OF THE DISCLOSURE Disclosed is a cermet electrode consisting of metal particles of nickel, cobalt, iron, or alloys or mixtures thereof immobilized by zirconia stabilized in cubic form which contains discrete deposits of about 0.1 to about 5% by weight of praseodymium, dysprosium, terbium, or a mixture thereof. The solid oxide electrode can be made by covering a substrate with particles of nickel, cobalt, iron or mixtures thereof, growing a stabilized zirconia solid oxide skeleton around the particles thereby immobilizing them, contacting the skeleton with a compound of praseodymium, dysprosium, terbium, or a mixture thereof, and heating the skeleton to a temperature of at least 500°C. The electrode can also be made by preparing a slurry of nickel, cobalt, iron, or mixture thereof, and a compound of praseodymium dysprosium, terbium, or a mixture thereof, depositing the slurry on a substrate, heating the slurry to dryness, and growing a stabilized zirconia skeleton around the metal particles.

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