A decade of ceria based solar thermochemical H2O/CO2 splitting cycle

By R. Bhosale, Gorakshnath Takalkar, P. Sutar, Anand Kumar, F. Almomani, M. Khraisheh. International journal of hydrogen energy, 2019

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Abstract Since 2006, ceria is used as a redox reactive material for production of H2, CO, and syngas via a two-step solar driven thermochemical H2O/CO2 splitting cycle. Different forms of phase pure ceria were studied over a wide range of temperatures and oxygen partial pressures. To increase the redox reactivity and long-term stability, the effects of incorporation of different dopants in to the ceria fluorite structure (in varying proportions) were studied in detail. A variety of solar reactors, loaded with ceria based ceramics, were designed and developed to investigate the performance of these materials towards thermal reduction and H2O/CO2 splitting reactions. The thermodynamics and reaction kinetics of ceria based solar thermochemical H2O/CO2 splitting cycles were also explored heavily. This paper presents a detailed chronological insight into the development of ceria-based oxides as reactive materials for solar fuel production via thermochemical redox H2O/CO2 splitting cycles.

Subfields: Biomedical Engineering, Materials Chemistry, Mechanical Engineering

View Paper: https://www.semanticscholar.org/paper/94f30dc0597bcc8a83c7b521b10b368ed3ac2d02