Fuel cell interconnect with reduced voltage degradation over time
AssigneeBloom Energy Corporation
InventorsDaniel DARGA, Tad ARMSTRONG, Vijay SRIVATSAN, Harald HERCHEN, Cheng-Yu LIN
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Abstract
A method of making an interconnect for a solid oxide fuel cell stack includes providing a chromium alloy interconnect and providing a nickel mesh in contact with a fuel side of the interconnect. Formation of a chromium oxide layer is reduced or avoided in locations between the nickel mesh and the fuel side of the interconnect. A Cr—Ni alloy or a Cr—Fe—Ni alloy is located at least in the fuel side of the interconnect under the nickel mesh.
Claims22
A method of making an interconnect for a solid oxide fuel cell stack, comprising:
- providing a chromium alloy interconnect;
- and
- providing a nickel mesh in contact with a fuel side of the interconnect;
- wherein formation of a chromium oxide layer is reduced or avoided in locations between the nickel mesh and the fuel side of the interconnect.
An interconnect for a solid oxide fuel cell stack, comprising:
- a chromium alloy interconnect;
- and
- a nickel mesh in contact with a fuel side of the interconnect;
- wherein a Cr—Ni alloy or a Cr—Fe—Ni alloy is located at least in the fuel side of the interconnect under the nickel mesh.
Dependencies are inferred from the claim text.