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The achievements of our university's scientific research are published in the top international journal ACS CATALYSIS in the field of catalysis.
April 22, 2019  Hit:[]

SMU News on April 9 Recently, the research results of the Yang Yaoyue Associate Researcher Group of the School of Chemical Environment, under the title of "Potential-Dependent Selectivity of Ethanol Complete Oxidation on Rh Electrode in Alkaline Media: A Synergistic Study of Electrochemical ATR-SEIRAS and IRAS," were published in the journal ACS Catalysis of the American Chemical Society. This is the first time that our research results have been published in top journals in the field of catalysis. The journal, with influence factor 11.3, is recognized as one of the top journals in the field of chemistry. It is also the journal of the first district of the Chinese Academy of Sciences (CAS) and the journal of the chemistry subject (Top).
Fuel cell is a new type of green energy device, which may become the mainstream mobile energy supply scheme. The core of large-scale commercial application of fuel cell lies in the design of high-efficiency and low-cost catalyst. However, the preparation of efficient catalysts can not be separated from the in-depth study of the catalytic mechanism of fuel cells. Therefore, the key and difficult problem of anode catalysis in direct ethanol fuel cell---the mechanism of improving the selectivity of C1 pathway---was deeply discussed in the research group of Yang Yaoyue Associate researcher. They combined electrochemical internal reflection surface enhanced infrared spectroscopy (ATR-SEIRAS), external reflection surface enhanced infrared spectrum (IRAS) and thin layer flow transmission infrared spectroscopy (TFTIR). The open-circuit self-dissociation and electrooxidation of ethanol molecules on Rh surface under alkaline conditions were investigated at the molecular level, and the assignment of cyclic voltammetry peaks of ethanol electrooxidation on Rh surface was analyzed. The apparent selectivity of the potential control of the C 1 pathway of ethanol electrooxidation on the surface of Rh was roughly estimated. This work may provide theoretical support for the development of efficient Rh-based EOR catalysts.

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