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- W1975796072 abstract "SSC (70 wt.% SrSc 0.2 Co 0.8 O 3− δ )–SDC (30 wt.% Sm 0.2 Ce 0.8 O 1.9 ) composite was evaluated as cathode for intermediate-temperature solid-oxide fuel cells. The effect of firing temperature on the chemical interaction between SSC and SDC was characterized by oxygen-temperature programmed desorption (O 2 -TPD) techniques. Certain type of phase reactions occurred between SSC and SDC at calcination temperatures higher than 950 °C. The conductivity of the composite was measured by a four-prober direct current technique. The electro-catalytic activity of the composite electrode for oxygen reduction was measured by electrochemical impedance spectroscopy (EIS) in a symmetric cell configuration. The electrode fired at 950 °C showed the best performance. By applying the SSC + SDC-composite electrode, a cell with a ∼20-μm thick SDC electrolyte delivered a peak power density of 760 mW cm −2 at 600 °C. This suggested that an SSC + SDC-composite electrode may be a promising cathode for intermediate-temperature solid-oxide fuel cells." @default.
- W1975796072 created "2016-06-24" @default.
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- W1975796072 date "2010-06-01" @default.
- W1975796072 modified "2023-10-17" @default.
- W1975796072 title "A composite oxygen-reduction electrode composed of SrSc0.2Co0.8O3−δ perovskite and Sm0.2Ce0.8O1.9 for an intermediate-temperature solid-oxide fuel cell" @default.
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- W1975796072 doi "https://doi.org/10.1016/j.ijhydene.2010.03.044" @default.
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