FeNi doped porous carbon as an efficient catalyst for oxygen evolution reaction

2021, Volume 15, Issue 2

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Frontiers of Chemical Science and Engineering >> 2021, Volume 15, Issue 2 doi: 10.1007/s11705-020-1965-2

FeNi doped porous carbon as an efficient catalyst for oxygen evolution reaction

. Hebei Provincial Key Laboratory of Green Chemical Technology & High Efficient Energy Saving, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China.. Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), School of Materials Science and Engineering, Nankai University, Tianjin 300350, China.. Department of Chemistry and Biochemistry, The City College of New York, New York, NY 10031, USA

Accepted: 2020-09-21 Available online: 2020-09-21

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Abstract

Polymer-derived porous carbon was used as a support of iron and nickel species with an objective to obtain an efficient oxygen reduction reaction (OER) catalyst. The surface features were extensively characterized using X-ray diffraction, X-ray photoelectron spectroscopy and high-resolution transmission electron microscopy. On FeNi-modified carbon the overpotential for OER was very low (280 mV) and comparable to that on noble metal catalyst IrO . The electrochemical properties have been investigated to reveal the difference between the binary alloy- and single metal-doped carbons. This work demonstrates a significant step for the development of low-cost, environmentally-friendly and highly-efficient OER catalysts.

Keywords

OER ; polystyrene salt ; porous carbon ; FeNi alloy ; p/n junction

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