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Carbon-supported Au modified N-doped carbon-coated FeMn alloy nanoparticle composites for BH4- electrocatalytic oxidation

Abstract

Carbon-supported Au modified N-doped carbon-coated FeMn alloy nanoparticle composites (Au/FeMn@CN/C) are prepared and used as electrocatalyst for BH4- electrooxidation. The surface morphology of the Au/FeMn@CN/C is observed by transmission electron microscope and its composition is analyzed by X-ray diffraction, The results show that the prepared Au/FeMn@CN/C is a three-layer core-shell structure and FeMn@CN nanosphere is coated by Au nanoparticles. The electrochemical performance of the prepared Au/FeMn@CN/C is studied by electrochemical tests, and the results show that the Au(50)/FeMn@CN(50)/C shows the most excellent performance for direct BH4- electrooxidation which has more negative overpotential and the electrooxidation current density up to 46.46 mA cm-2 with the electron-transfer number of 5.3.

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Article information


Submitted
20 Apr 2020
Accepted
15 May 2020
First published
18 May 2020

New J. Chem., 2020, Accepted Manuscript
Article type
Paper

Carbon-supported Au modified N-doped carbon-coated FeMn alloy nanoparticle composites for BH4- electrocatalytic oxidation

L. Yi, S. Yang, J. Fei, Y. Ding, X. Wang and Y. Lu, New J. Chem., 2020, Accepted Manuscript , DOI: 10.1039/D0NJ01974G

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