Issue 20, 2023

Emerging high entropy metal sulphides and phosphides for electrochemical water splitting

Abstract

Hydrogen is expected to be a major clean and renewable energy source in the coming decades. Numerous electrocatalysts, including noble metals, oxides, hydroxides, carbides, transition metal phosphides/sulfides, and graphene-based materials, have been studied to produce hydrogen efficiently. Nevertheless, the demand for electrocatalysts with desired catalytic activity and stability in the hydrogen evolution reaction and oxygen evolution reaction has been largely unmet. High-entropy metal sulfides/phosphides (HEMSs/Ps) are a new class of materials, in which at least five (or >5) different principal metal elements are deliberately incorporated into a homogeneous single-phase sulfide or phosphide structure and have received significant attention due to the highly active site densities and potential synergy between multiple elements toward electrocatalysis. Although limited examples are available for these emerging materials, recent studies have demonstrated the great potential of HEMSs/Ps in the energy material horizon. This highlight emphasizes the synthetic strategies, unique electrocatalytic properties, and challenges and perspectives of HEMS/P electrocatalysts.

Graphical abstract: Emerging high entropy metal sulphides and phosphides for electrochemical water splitting

Article information

Article type
Highlight
Submitted
30 12 2022
Accepted
01 3 2023
First published
14 3 2023

J. Mater. Chem. A, 2023,11, 10463-10472

Emerging high entropy metal sulphides and phosphides for electrochemical water splitting

R. Mohili, N. R. Hemanth, H. Jin, K. Lee and N. Chaudhari, J. Mater. Chem. A, 2023, 11, 10463 DOI: 10.1039/D2TA10081A

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