Stabilizing metal components in electrodes of electrochemical ce

Details Stabilizing metal components in electrodes of electrochemical ce Stabilizing metal components in electrodes of electrochemical ce

1988-02-25

1989-07-18

Beck, Shrive

Coating processes

Electrical product produced

Fuel cell part

4273763, 427377, 429 41, 429 44, 429 45, B05D 512

Patent

active

048492540

ABSTRACT:
Disclosed is a method of reducing the removal or transfer into a gas phase of a current carrying metal in an apparatus, such as an electrochemical cell 2 having a porous fuel electrode 6 containing metal particles 11, where the metal is subject to removal or transfer into a gaseous phase, the method characterized in that (1) a metal organic compound that decomposes to form an electronically conducting oxide coating when heated is applied to the metal and porous electrode, and (2) the compound on the metal is then heated to a temperature sufficient to decompose the compound into an oxide coating 13 by increasing the temperature at a rate that is longer than 1 hour between room temperature and 600.degree. C., resulting in at least one continuous layer 13, 14 of the oxide coating on the metal.

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Accorsi & Bergmann, Journal of the Electrochemical Society, vol. 127, No. 4, pp. 805-811, "Cermet Cathodes For High Temperature Water Electrolysis With Zirconia Cells" (Apr. 1980).

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