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Title: Redox-mediated electrocatalytic and photocatalytic hydrogen production
Authors: Zhang, F 
Wang, Q 
Keywords: Redox-mediated
Electrocatalytic water splitting
Photocatalytic water splitting
Redox mediators
Issue Date: 1-Oct-2022
Publisher: Elsevier BV
Citation: Zhang, F, Wang, Q (2022-10-01). Redox-mediated electrocatalytic and photocatalytic hydrogen production. Current Opinion in Electrochemistry 35 : 101097-101097. ScholarBank@NUS Repository.
Abstract: Electrocatalytic and photocatalytic water splitting for H2 production, when driven by renewable energy sources, provide sustainable ways to reduce the use of fossil fuels and CO2 emissions for various applications. However, both encounter various challenges induced by gas mixing due to the simultaneous generation of H2 and O2 in the same cell compartment. The redox-mediated H2 generation process, which employs soluble redox species to serve both as charge carrier through electrolyte solution and electron donor (or acceptor) at the surface of catalyst for decoupled hydrogen evolution reaction, has shown an intriguing potential to mitigate the above issues. This short review briefly introduces the design principle and reaction mechanism of some representative redox-mediated electrocatalytic and photocatalytic water splitting systems in which the recent advancements are highlighted and their potential are evaluated for practical applications.
Source Title: Current Opinion in Electrochemistry
ISSN: 2451-9103
DOI: 10.1016/j.coelec.2022.101097
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