Research Progress of Bismuth Ion Doped Cathode Materials for Solid Oxide Fuel Cell

Abstract

Abstract: Solid oxide fuel cell (SOFC) is one of power generation device which can directly convert chemical energy in fuel into electric energy, with the advantages of flexible fuel selection, high efficiency, and environmental friendliness. Reducing operating temperature has become a hot topic in current research to fulfill the requirement of the running cost and long-term stable operation of solid oxide fuel cell systems. The low catalytic activity of traditional SOFC cathode materials restricts the development of SOFC technology. Therefore, it is very important to develop cathode materials with good catalytic activity. Many studies have shown that bismuth ion doping in materials can effectively improve the conductivity and oxygen catalytic activity. Bismuth ions have unique electronic structure. From the perspective of bismuth ion doping, the effect of bismuth ion doping on the preparation, structure, conductivity and electrochemical performance of cathode materials was reviewed, and development trend of bismuth ion SOFC cathode materials was prospected.

Key words: solid oxide fuel cell, cathode material, bismuth doping

CLC Number:

TM911

SUN Ning, LIU Xiaowei, LIU Xianglin, JIN Fangjun. Research Progress of Bismuth Ion Doped Cathode Materials for Solid Oxide Fuel Cell[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2020, 39(12): 3958-3963.

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