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A review of hydrogen production processes by photocatalytic water splitting – From atomistic catalysis design to optimal reactor engineering

Gupta, A and Likozar, B and Jana, R and Chanu, WC and Singh, MK (2022) A review of hydrogen production processes by photocatalytic water splitting – From atomistic catalysis design to optimal reactor engineering. In: International Journal of Hydrogen Energy .

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Official URL: https://doi.org/10.1016/j.ijhydene.2022.07.210


‘Renewable energy is an essential part of our strategy of decarbonization, decentralization, as well as digitalization of energy.’ – Isabelle Kocher. Current climate, health and economic condition of our globe demands the use of renewable energy and the development of novel materials for the efficient generation, storage and transportation of renewable energy. Hydrogen has been recognised as one of the most prominent carriers and green energy source with challenging storage, enabling decarbonization. Photocatalytic H2 (green hydrogen) production processes are targeting the intensification of separated solar energy harvesting, storage and electrolysis, conventionally yielding O2/H2. While catalysis is being investigated extensively, little is done on bridging the gap, related to reactor unit design, optimisation and scaling, be it that of material or of operation. Herein, metals, oxides, perovskites, nitrides, carbides, sulphides, phosphides, 2D structures and heterojunctions are compared in terms of parameters, allowing for efficiency, thermodynamics or kinetics structure–activity relationships, such as the solar-to-hydrogen (STH). Moreover, prominent pilot systems are presented summarily.

Item Type: Journal Article
Publication: International Journal of Hydrogen Energy
Publisher: Elsevier Ltd
Additional Information: The copyright for this article belongs to Elsevier Ltd.
Keywords: Carbides; Energy harvesting; Energy policy; Heterojunctions; Hydrogen storage; Layered semiconductors; Molybdenum compounds; Perovskite; Phosphorus compounds; Solar energy; Solar power generation; Sulfur compounds; Thermodynamics; Titanium dioxide, Atomistics; Decarbonisation; H 2 production; Hydrogen production process; Industrial photocatalyse; Optimal reactor; Photocatalytic water splitting; Photoreactors; Renewable energies; Water splitting, Hydrogen production
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 15 Sep 2022 09:00
Last Modified: 15 Sep 2022 09:00
URI: https://eprints.iisc.ac.in/id/eprint/76475

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