Cermet anode with continuously dispersed alloy phase and process for making
Patent
·
OSTI ID:867121
- Richland, WA
Cermet electrode compositions and methods for making are disclosed which comprise NiO--NiFe.sub.2 O.sub.4 --Cu--Ni. Addition of an effective amount of a metallic catalyst/reactant to a composition of a nickel/iron/oxide, NiO, copper, and nickel produces a stable electrode having significantly increased electrical conductivity. The metallic catalyst functions to disperse the copper and nickel as an alloy continuously throughout the oxide phase of the cermet to render the electrode compositon more highly electrically conductive than were the third metal not present in the base composition. The third metal is preferably added to the base composition as elemental metal and includes aluminum, magnesium, sodium and gallium. The elemental metal is converted to a metal oxide during the sintering process.
- Research Organization:
- BATTELLE MEMORIAL INSTITUTE
- DOE Contract Number:
- AC06-76RL01830
- Assignee:
- Battelle Memorial Institute (Richland, WA)
- Patent Number(s):
- US 4871437
- OSTI ID:
- 867121
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
--cu--ni
/204/75/148/252/419/428/
added
addition
alloy
alloy phase
aluminum
amount
anode
base
catalyst
cermet
cermet anode
cermet electrode
composition
compositions
compositon
comprise
conductive
conductivity
continuously
converted
copper
disclosed
disperse
dispersed
effective
effective amount
electrical
electrical conductivity
electrically
electrically conductive
electrode
electrode composition
electrode compositions
elemental
elemental metal
functions
gallium
highly
highly electrically
increased
increased electrical
iron
magnesium
metal
metal oxide
metallic
metallic catalyst
methods
nickel
nio
nio--nife
oxide
oxide phase
phase
preferably
preferably added
process
produces
reactant
render
significantly
significantly increase
significantly increased
sintering
sintering process
sodium
stable
stable electrode
third
third metal
throughout
/204/75/148/252/419/428/
added
addition
alloy
alloy phase
aluminum
amount
anode
base
catalyst
cermet
cermet anode
cermet electrode
composition
compositions
compositon
comprise
conductive
conductivity
continuously
converted
copper
disclosed
disperse
dispersed
effective
effective amount
electrical
electrical conductivity
electrically
electrically conductive
electrode
electrode composition
electrode compositions
elemental
elemental metal
functions
gallium
highly
highly electrically
increased
increased electrical
iron
magnesium
metal
metal oxide
metallic
metallic catalyst
methods
nickel
nio
nio--nife
oxide
oxide phase
phase
preferably
preferably added
process
produces
reactant
render
significantly
significantly increase
significantly increased
sintering
sintering process
sodium
stable
stable electrode
third
third metal
throughout