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The Ba 0.5 Sr 0.5 Zn 0.2 Fe 0.8 O 3−δ (BSZF) complex oxide with cubic perovskite structure was synthesized and examined as a new cobalt-free cathode for intermediate-temperature solid oxide fuel cells (IT-SOFCs). The electrical conductivity was relatively low with a peak value of 9.4Scm −1 at about 590°C, which was mainly caused by the high concentration...
The electrochemical performance of anode-supported single-chamber solid oxide fuel cells (SC-SOFCs) with and without SDC-impregnated cathodes was compared in a diluted methane–oxygen mixture. These cells were made of conventional materials including yttrium-stabilized zirconia (YSZ) thin film, a Ni+YSZ anode and a La 0.7 Sr 0.3 MnO 3 (LSM) cathode. Our results showed that the...
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