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US 9,452,475 B2Granted
Coatings for SOFC metallic interconnects
AssigneeBloom Energy Corporation
InventorsTad Armstrong, James Wilson, Harald Herchen, Daniel Darga, Manoj Pillai
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Abstract
Various methods of treating a chromium iron interconnect for a solid oxide fuel cell stack and coating the interconnect with a ceramic layer are provided.
Claims13
A method of making an interconnect for a solid oxide fuel cell stack, comprising:
- providing first metallic powder particles comprising Cr and Fe in a mold cavity;
- providing second powder particles comprising one or more of Sr, La, Mn and Co oxides in the mold cavity;
- compacting the first and second powder particles in the same compacting step to form the interconnect;
- and
- coating at least one surface of the interconnect with a protective coating after the step of compacting.
2 more elements
Dependencies are inferred from the claim text.