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Potential Cycling Effects on Activities of Nickel-Mediated Benzyl Alcohol and Glycine Electrooxidation in Alkaline Solutions

College of Chemistry and Bioengineering, Yichun University, Yichun 336000, China
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Catalysts 2020, 10(1), 119; https://doi.org/10.3390/catal10010119
Received: 21 December 2019 / Revised: 9 January 2020 / Accepted: 12 January 2020 / Published: 15 January 2020
(This article belongs to the Special Issue Electrocatalysis in Energy and Green Chemistry)
Nickel electrodes under continuous potential cycling were applied for the electrooxidation of benzyl alcohol and glycine in KOH solutions, and their activities were measured and compared by cyclic voltammetry. It is shown that intrinsic activities of both reactions decrease with the increasing catalyst loadings, and a more significant decreasing trend was observed in glycine electrooxidation when compared to benzyl alcohol electrooxidation. These phenomena may be explained by an increasing of mass loading induced a decrease of the catalyst surface conductivity, structure changes of Ni(OH)2 from α-phase to β-phase, and the intercalation of glycine molecules into nickel hydroxide interlayers. View Full-Text
Keywords: nickel hydroxide; benzyl alcohol; glycine; potential cycling; electrocatalytic activity nickel hydroxide; benzyl alcohol; glycine; potential cycling; electrocatalytic activity
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Wei, Y.; Zhang, W. Potential Cycling Effects on Activities of Nickel-Mediated Benzyl Alcohol and Glycine Electrooxidation in Alkaline Solutions. Catalysts 2020, 10, 119.

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