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Issue 15, 2018
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Electrodeposited amorphous Co–P–B ternary catalyst for hydrogen evolution reaction

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Abstract

The catalytic activity of amorphous Co–P–B catalysts electrodeposited on carbon paper (CP) for the hydrogen evolution reaction (HER) was investigated in aqueous 0.5 M H2SO4 electrolyte. Based on the measured double layer capacitance (Cdl) and HER activity, it was found that the HER intrinsic activity exhibited volcano behavior when plotted as a function of the B/P ratio in the Co–P–B catalyst. It was revealed that based on the electronic structures of the elements, electron transfer among the three elements is a significant factor for enhancing the intrinsic activity for the HER. The highest activity was obtained with a B/P ratio of ∼1, where electron transfer among the three elements was maximized.

Graphical abstract: Electrodeposited amorphous Co–P–B ternary catalyst for hydrogen evolution reaction

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Publication details

The article was received on 17 Dec 2017, accepted on 18 Feb 2018 and first published on 21 Feb 2018


Article type: Paper
DOI: 10.1039/C7TA11033B
Citation: J. Mater. Chem. A, 2018,6, 6282-6288
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    Electrodeposited amorphous Co–P–B ternary catalyst for hydrogen evolution reaction

    J. Kim, H. Kim, S. Kim and S. H. Ahn, J. Mater. Chem. A, 2018, 6, 6282
    DOI: 10.1039/C7TA11033B

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