Engineering and Technology

Kilowatt-scale solar hydrogen production system using a concentrated integrated photoelectrochemical device

I. Holmes-gentle, S. Tembhurne, et al.

This intriguing research by Isaac Holmes-Gentle, Saurabh Tembhurne, Clemens Suter, and Sophia Haussener explores the advancement of a thermally integrated photoelectrochemical device, achieving over 20% efficiency in hydrogen production. Discover the innovative strategies that can enhance system-level efficiency in this cutting-edge study!

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Abstract

This paper presents the scaling of a thermally integrated photoelectrochemical device using concentrated solar irradiation to a kilowatt-scale pilot plant for hydrogen and heat co-generation. A solar-to-hydrogen device-level efficiency exceeding 20% at a hydrogen production rate of >2.0 kW is achieved. Model-based optimization identifies key energy losses and strategies for improving system-level efficiency. Technological challenges, control strategies, and future prospects are discussed.

Publisher

Nature Energy

Published On

Jun 01, 2023

Authors

Isaac Holmes-Gentle, Saurabh Tembhurne, Clemens Suter, Sophia Haussener

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