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- W4377826886 abstract "The oxidative dehydrogenation of ethane (ODHE) was investigated using a solid oxide electrocatalytic cell with Sr2Fe2–XMoXO6–δ (SFM) double perovskite as the anode electrocatalyst. As shown in the XRD patterns, SFM perovskites maintained their cubic structure upon modifying the B-site ratios of Mo and Fe. Increasing the Mo content of the perovskite structure resulted in a lower water signal intensity at low temperatures in TPR profiles, indicative of moderate oxygen transport through the perovskite structure. Because Mo–O bonds are stronger than Fe–O bonds, the electrical conductivity of SFM perovskites decreased with increasing Mo content. When operated at 100 mA cm–2, ODHE activity improved four times compared to open circuit voltage, resulting in 16.1% conversion of C2H6 and 83.1% selectivity to C2H4. It has been demonstrated that oxygen ions provided by perovskite lattices were the key species involved in activating C2H6 based on the in-situ DRIFTS experiments. The SFM perovskite with higher Mo content showed the highest conversion and selectivity due moderate oxygen ion mobility and fast desorption of C2H4." @default.
- W4377826886 created "2023-05-24" @default.
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- W4377826886 date "2023-09-01" @default.
- W4377826886 modified "2023-10-16" @default.
- W4377826886 title "Sr2Fe2–XMoXO6 double perovskites as electrocatalysts for oxidative dehydrogenation of ethane: Effect of B-site stoichiometry" @default.
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- W4377826886 doi "https://doi.org/10.1016/j.electacta.2023.142633" @default.
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