Abstract A cathode composite useful for a molten carbonate fuel cell comprised of a porous sintered cathode having a porous sintered bubble pressure barrier integrally sintered to one face thereof, said cathode composite having a porosity ranging from about 25% by volume to about 75% by volume of the total volume of said composite, said cathode having a porosity ranging from about 25% by volume to about 75% by volume of the total volume of said cathode, said pressure barrier having a porosity ranging from about 25% by volume to about 75% by volume of the total volume of said barrier, said cathode having a median pore size ranging from in excess of one micron to about 10 microns, said barrier having a median pore size significantly smaller than that of said cathode, said cathode and said pressure barrier being comprised of from about 10 weight % to about 90 weight % Li x Ni.sub.(1-x) O/balance Li y Cu.sub.(1-y) O, where x and y each ranges from about 0.005 to about 0.25.
A cathode composite useful for a molten carbonate fuel cell comprised of a porous sintered cathode having a porous sintered bubble pressure barrier integrally sintered to one face thereof covering said face and being coextensive therewith, said cathode composite having a pore volume ranging from about 25% by volume to about 75% by volume of the total volume of said composite, said cathode having a pore volume ranging from about 25% by volume to about 75% by volume of the total volume of said cathode, said pressure barrier having a pore volume ranging from about 25% by volume to about 75% by volume of the total volume of said barrier, said cathode having a median pore size ranging from in excess of one micron to about 10 microns, said barrier having a median pore size significantly smaller than that of said cathode, said cathode and said pressure barrier being comprised of from about 10 weight % to about 90 weight % Li x Ni.sub.(1-x) O/balance Li y Cu.sub.(1-y) O, where x and y each ranges from about 0.005 to about 0.25.
Claim 2
Dependent Claim
181 words
A cathode composite useful for a molten carbonate fuel cell comprised of a porous sintered cathode having a porous sintered bubble pressure barrier integrally sintered to one face thereof covering said face and being coextensive therewith, said cathode composite having a pore volume ranging from about 25% by volume to about 75% by volume of the total volume of said composite, said cathode having a pore volume ranging from about 25% by volume to about 75% by volume of the total volume of said cathode, said pressure barrier having a pore volume ranging from about 25% by volume to about 75% by volume of the total volume of said barrier, said cathode having a median pore size ranging from in excess of one micron to about 10 microns, said barrier having a median pore size significantly smaller than that of said cathode, said cathode and said pressure barrier being comprised of from about 10 weight % to about 90 weight % Li x Ni.sub.(1-x) O/balance Li y Cu.sub.(1-y) O, where x and y each ranges from about 0.005 to about 0.25.
Claim 3
Dependent Claim
26 words
The cathode composite according to claim 1 wherein said composite has a pore volume of about 40% by volume of the total volume of said composite.
Claim 4
Dependent Claim
13 words
The cathode composite according to claim 1 in the form of a plaque.
Claim 5
Dependent Claim
18 words
The cathode composite according to claim 1 wherein x and y each has a value of about 0.02.
Claim 6
Dependent Claim
22 words
The cathode composite according to claim 1 wherein said cathode and said barrier barrier each has about the same said pore volume.