In this study, Ni-Fe-P alloy layer was deposited on the ferritic stainless steel by means of a cost-effective technique of electroless method. After thermal exposure at 800°C in air corresponding to the environment of the SOFC cathode, the oxidation kinetics indicated that the mass gain of steel with Ni-Fe-P alloy layer was higher than that of the steel substrate on which a Cr2O3 layer was mainly grown. A double-layer oxide scale with a NiO/(Ni,Fe)3O4/(Ni,Cr)3O4 outer layer and a protective Cr2O3 inner layer was formed on the steel with Ni-Fe-P alloy. The formation of the oxide outer layer was highly desirable to prevent the evaporation of the chromia inner layer developed from the substrate steel, and reduced the scale area specific resistance (ASR).
- Advanced Energy Systems Division
Electroless Ni-Fe-P Alloy on Ferritic Stainless Steel Solid Oxide Fuel Cell Interconnect
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Geng, S, & Zhao, H. "Electroless Ni-Fe-P Alloy on Ferritic Stainless Steel Solid Oxide Fuel Cell Interconnect." Proceedings of the ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology. ASME 2010 8th International Fuel Cell Science, Engineering and Technology Conference: Volume 1. Brooklyn, New York, USA. June 14–16, 2010. pp. 229-232. ASME. https://doi.org/10.1115/FuelCell2010-33074
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