Cathode materials for solid oxide fuel cells towards operating at intermediate-to-low temperature range
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Solid oxide fuel cells (SOFCs) are a type of electrochemical energy conversion devices with high efficiencies and low emissions. The practical application of SOFCs technology would have a great environmental benignity and be beneficial for a sustainable development of the world. The decrease of operation temperature can accelerate the commercialization of SOFCs technology, the key is the development of high performance of cathodes operated at low temperature. In this paper, we mainly have a comprehensive introduction on the progress in developing of novel cathodes for reduced temperature SOFCs, including perovskite-type Ba0.5Sr0.3Co 0.8Fe0.2O3-8, double perovskite-type LnBaCo2O5+8, other perovskite-type cobalt-based mixed conducting electrodes, non-cobaltrelated mixed conducting oxide electrodes, precious metal modified oxide electrodes and nano-structured composite electrodes prepared by infiltration, and specific cathodes for proton-conducting SOFCs. More attentions are paid to the development in our lab within the last five years. The development trend of cathode in SOFCs is proposed.
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Progress in understanding and development of Ba0.5Sr0.5Co0.8Fe0.2O3−δ-based cathodes for intermediate-temperature solid-oxide fuel cells: A reviewZhou, W.; Ran, R.; Shao, Zongping (2009)Solid-oxide fuel cells (SOFCs) convert chemical energy directly into electric power in a highly efficient way. Lowering the operating temperature of SOFCs to around 500-800 °C is one of the main goals in current SOFC ...
Jiang, San Ping; Chen, X. (2013)Intermediate temperature solid oxide fuel cells (IT-SOFCs) using chromia-forming alloy interconnect requires the development of cathode not only with high electrochemical activity but also with the high resistance or ...
Su, Chao; Wang, Wei; Liu, M.; Tadé, Moses; Shao, Zongping (2015)Symmetrical solid oxide fuel cells (SOFCs) have attracted increasing attention due to their potential for improved thermomechanical compatibility of the electrolyte and the electrodes, reduced fabrication cost, and enhanced ...