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5 October 2023 Heat transfer analysis of special receivers/reactors to facilitate reciprocal redox thermochemical reactions for hydrogen production
Peiwen Li, Roger Angel, Haomin Li
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Proceedings Volume PC12671, Advances in Solar Energy: Heliostat Systems Design, Implementation, and Operation; PC126710B (2023) https://doi.org/10.1117/12.2681543
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States
Abstract
Thermochemical hydrogen production via redox reactions with the input of concentrated solar thermal energy has been well recognized as an advanced green hydrogen generation technology. Creating a high enough temperature in the solar receiver relies on very high solar concentration ratio. Through the development of special heliostats and solar concentration technology, high heat flux of over 3000 suns could be achieved. Each specially designed heliostat creates a solar disc image of small area, and overlapping images make possible temperatures of up to 1500 oC in the solar receiver. In this work, special solar receiving chambers are configured to accommodate reduction reaction and oxidation reaction reciprocally to satisfy the demand of temperatures and gas environments for the different reactions. Analysis of the redox material temperature variation in transient processes of reaction is carried out to understand the dynamics of temperature control for thermochemical reactions.
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Peiwen Li, Roger Angel, and Haomin Li "Heat transfer analysis of special receivers/reactors to facilitate reciprocal redox thermochemical reactions for hydrogen production", Proc. SPIE PC12671, Advances in Solar Energy: Heliostat Systems Design, Implementation, and Operation, PC126710B (5 October 2023); https://doi.org/10.1117/12.2681543
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KEYWORDS
Hydrogen production
Solar energy
Receivers
Hydrogen
Oxidation
Solar thermal energy
Sun
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