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

Engineering and Technology

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

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

This groundbreaking research by Isaac Holmes-Gentle, Saurabh Tembhurne, Clemens Suter, and Sophia Haussener reveals a kW-scale pilot plant that efficiently co-generates hydrogen and heat using concentrated solar energy, achieving over 20% solar-to-hydrogen efficiency at a production rate exceeding 2.0 kW. Discover the technological challenges and future prospects of this innovative technology.

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Playback language: English
Abstract
This paper presents the successful scaling of a thermally integrated photoelectrochemical device using concentrated solar irradiation to a kW-scale pilot plant capable of co-generating hydrogen and heat. A solar-to-hydrogen device-level efficiency of over 20% at a hydrogen production rate of >2.0 kW is achieved. A validated model-based optimization identifies key energy losses and suggests strategies for improving system efficiency. The paper also addresses technological challenges, control strategies, and the future outlook of this technology.
Publisher
Nature Energy
Published On
Jun 01, 2023
Authors
Isaac Holmes-Gentle, Saurabh Tembhurne, Clemens Suter, Sophia Haussener
Tags
photoelectrochemical device
solar energy
hydrogen production
energy efficiency
concentrated solar irradiation
heat co-generation

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