Effect of Nb Additions on the High-Temperature Performances of NiFe2O4 Spinel Coatings Fabricated on Ferritic Stainless Steel

Influence of Mn Content in the Alloy on the Oxidation, Electrical and Volatilization Behavior of Co-Coated Steel Interconnects

“…6,7 Various materials have been proposed and investigated as the surface coatings. 8 Spinel oxides, such as Co 3 O 4 , Mn-Co and Ni-M (M=Mn, Co, Fe) [9][10][11][12][13][14][15][16][17][18] have been attracting extensive attention because of their high electrical conductivity and similar CTE to adjacent cell components. In particular, a Mn-Co coating is proving to be effective in slowing down the growth rate of the oxide scale, improving electrical properties and restraining Cr out-diffusion as a barrier, thus, suppressing the generation of volatile Cr-containing species.…”

Review—(Mn,Co)3O4-Based Spinels for SOFC Interconnect Coating Application

“…2. More recently, some effects have been devoted to Co-free spinel coating development (e.g., Cu-Mn, Cu-Fe and Ni-Fe spinels), [37][38][39][40][41][42][43][44][45][46][47] as Co is an expensive and strategic element. However, while these Co-free spinel coatings have shown some promise, more research work needs to be conducted with regard to their long-term stability and performance in actual SOFC operating environments.…”