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US 6,645,657 B2Granted
Sol-gel coated cathode side hardware for carbonate fuel cells
AssigneeFuelCell Energy, Inc.
InventorsChao Huang, Jian Li
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Abstract
A carbonate fuel cell comprising cathode side hardware having a thin coating of a conductive ceramic for providing corrosion resistance and a method of making the same.
Claims4
A carbonate fuel cell comprising:
- a cathode;
- an anode;
- a matrix for storing carbonate electrolyte disposed between said anode and cathode;
- a cathode current collector situated adjacent said cathode;
- a bipolar plate situated adjacent said cathode current collector;
- and
- wherein at least one of said cathode current collector and said bipolar plate includes a coating of an electrically conductive ceramic obtained by the sol-gel process, said coating of electrically conductive ceramic comprising one of LiCoO2 and Co-doped LiFeO2 and having a thickness of between 1 μm and 5 μm.
4 more elements
A method of making a carbonate fuel cell comprising:
- coating at least one of a cathode current collector and a bipolar plate with an electrically conductive ceramic using a sol-gel process;
- said coating of electrically conductive ceramic comprises one of LiCoO2 and Co-doped LiFeO2 and has a thickness of between 1 μm and 5 μm;
- and
- assembling said cathode current collector and said bipolar plate with a cathode, an anode, and a matrix for storing carbonate electrolyte to form said carbonate fuel cell.
1 more element
A method of making a carbonate fuel cell comprising:
- coating both a cathode current collector and a bipolar plate with an electrically conductive ceramic using a sol-gel process;
- said coating of electrically conductive ceramic comprises one of LiCoO2 and Co-doped LiFeO2 and has a thickness of between 1 μm and 5 μm;
- and
- assembling said cathode current collector and said bipolar plate with a cathode, an anode, and a matrix for storing carbonate electrolyte to form said carbonate fuel cell.
1 more element
Dependencies are inferred from the claim text.