Issue 34, 2021

Recent advances in the “on–off” approaches for on-demand liquid-phase hydrogen evolution

Abstract

Hydrogen (H2) has been extensively considered as a clean and renewable energy carrier and the most promising alternative to conventional fossil fuels for future energy supplies due to its ultrahigh energy density and zero pollution. Selective “on–off” switches for on-demand liquid-phase H2 evolution are crucial and challenging for efficient utilization and production of H2. At present, the on-demand liquid-phase H2 evolutions are mainly controlled by five types of switches, namely catalyst-transfer switch, phase-transfer switch, pH-adjusting switch, temperature-adjusting switch, and light-adjusting switch. In this minireview, an overview of these “on–off” approaches with a particular emphasis on the recent advances in mechanism exploration and applications has been presented. Finally, we provide the future research directions and perspectives for overcoming the challenges in the commercialization of a promising approach.

Graphical abstract: Recent advances in the “on–off” approaches for on-demand liquid-phase hydrogen evolution

Article information

Article type
Review Article
Submitted
12 7 2021
Accepted
04 8 2021
First published
05 8 2021

J. Mater. Chem. A, 2021,9, 18164-18174

Recent advances in the “on–off” approaches for on-demand liquid-phase hydrogen evolution

X. Liu, X. Zhang, D. Li, S. Zhang and Q. Zhang, J. Mater. Chem. A, 2021, 9, 18164 DOI: 10.1039/D1TA05892D

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