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Enhanced HOR catalytic activity of PGM-free catalysts in alkaline media: electronic effect induced by different heteroatoms doped carbon supports

Abstract

A series of Ni-based catalysts consisted with Ni nanoparticles and heteroatoms (S, N, or B) doped carbon supports were constructed systematically, and further investigated to catalyze hydrogen oxidation reaction (HOR) in alkaline electrolytes. The activity trend was seeked that follows the sequence of Ni/SC > Ni/NC > Ni/BC. Specifically, benefiting from the optimum anchoring effects and strong metal-support interaction, Ni/SC shows remarkable HOR catalytic performance, which is about 2.9 and 7.7 times higher than the dopant-free counterpart, Ni/C, in specific activity and mass activity, respectively.

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Publication details

The article was received on 20 Feb 2019, accepted on 12 Apr 2019 and first published on 12 Apr 2019


Article type: Communication
DOI: 10.1039/C9TA01916B
Citation: J. Mater. Chem. A, 2019, Accepted Manuscript

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    Enhanced HOR catalytic activity of PGM-free catalysts in alkaline media: electronic effect induced by different heteroatoms doped carbon supports

    W. Luo, F. Yang, X. Bao, Y. Zhao, X. Wang and G. Cheng, J. Mater. Chem. A, 2019, Accepted Manuscript , DOI: 10.1039/C9TA01916B

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