Issue 21, 2024

Construction of a highly efficient MoS2-based composite electrocatalyst for the oxygen evolution reaction

Abstract

Molybdenum disulfide (MoS2) has great potential for the catalysis of the oxygen evolution reaction (OER) due to its suitable valence band edge. However, the high adsorption energy barriers of the key intermediates *OH and *OOH at the catalytic sites severely limit its catalytic activity. In this research, we designed a carboxyl-decorated MoC@MoS2 composite (CC-MoC@MoS2) electrocatalyst for OER, in which the S sites of MoS2 provide effective adsorption of the two intermediates. The optimized CC-MoC@MoS2 could catalyze OER rapidly and stably, reaching current densities of 10, 50 and 100 mA cm−2 in alkaline medium at overpotentials of 248, 307 and 359 mV, respectively.

Graphical abstract: Construction of a highly efficient MoS2-based composite electrocatalyst for the oxygen evolution reaction

Supplementary files

Article information

Article type
Paper
Submitted
26 Jul 2024
Accepted
23 Sep 2024
First published
25 Sep 2024

Catal. Sci. Technol., 2024,14, 6380-6392

Construction of a highly efficient MoS2-based composite electrocatalyst for the oxygen evolution reaction

M. Huang, B. Liu, J. Wu, J. Gu, Y. Zheng, P. Ma, B. Li and Z. Fu, Catal. Sci. Technol., 2024, 14, 6380 DOI: 10.1039/D4CY00923A

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