Issue 72, 2018

Enhanced electrocatalysis for alkaline hydrogen evolution by Mn doping in a Ni3S2 nanosheet array

Abstract

Developing earth-abundant and efficient catalysts for the hydrogen evolution reaction (HER) is highly desirable. In this communication, we report the development of a Mn-doped Ni3S2 nanosheet array on Ni foam (Mn-Ni3S2/NF) as a superior and durable catalyst for alkaline hydrogen evolution. Such Mn-Ni3S2/NF demands an overpotential of 152 mV to afford 10 mA cm−2 in 1.0 M KOH, 46 mV less than that for Ni3S2/NF. Furthermore, this catalyst also shows high long-term electrochemical durability. This work provides important guidance for exploring optimal HER catalysts.

Graphical abstract: Enhanced electrocatalysis for alkaline hydrogen evolution by Mn doping in a Ni3S2 nanosheet array

Supplementary files

Article information

Article type
Communication
Submitted
03 Aug 2018
Accepted
13 Aug 2018
First published
13 Aug 2018

Chem. Commun., 2018,54, 10100-10103

Enhanced electrocatalysis for alkaline hydrogen evolution by Mn doping in a Ni3S2 nanosheet array

H. Du, R. Kong, F. Qu and L. Lu, Chem. Commun., 2018, 54, 10100 DOI: 10.1039/C8CC06331A

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