Mechanism of oxygen activation on barium-containing perovskite materialsA research team led by Prof.

Mechanism of oxygen activation on barium-containing perovskite materialsA research team led by Prof. Yang Weishen and Prof. Zhu Xuefeng from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences (CAS) has revealed the mechanism of oxygen activation on Barium-containing perovskite materials. The researchers discovered that BaO/BaO2 nanoparticles precipitated on the surface of Ba-containing materials under high-temperature oxygen-rich conditions had an ultra-high activity for oxygen activation, which clarified the mechanism of high-temperature oxygen activation and transport on the surface of Ba-containing perovskite oxides.This study was published in Science Advances on April 13.In 2000, the DICP team invented an oxygen-permeable membrane material named Ba0.5Sr0.5Co0.8Fe0.2O3-δ (BSCF). Due to its good catalytic activity towards oxygen activation, BSCF has become a representative material for oxygen permeation and has been widely used in solid oxide fuel cells, oxygen reduction reactions, and oxygen evolution reactions.Read more. -- source link
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