STUDY ON SURFACE REACTION KINETICS OF CERIUM OXIDE DECOMPOSITION OF CO2 AT HIGH TEMPERATURE

Pan Heng; Zhu Liya; Lyu Youjun; Chen Shaocong

doi:10.19912/j.0254-0096.tynxb.2020-1144

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (7) : 212-217. DOI: 10.19912/j.0254-0096.tynxb.2020-1144

STUDY ON SURFACE REACTION KINETICS OF CERIUM OXIDE DECOMPOSITION OF CO₂ AT HIGH TEMPERATURE

Pan Heng, Zhu Liya, Lyu Youjun, Chen Shaocong

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Abstract

In this paper, an experimental study on the reaction kinetics of the CO₂ splitting by ceria was operated using sheet-ceria materials. Comparing the experimental results with different gas-solid models, the homogeneous F1.5 model was selected as the best model that could describe the CO₂splitting by ceria at high temperature. The model selection method was validated using the Hancock and Sharp model-free method, and finally the reaction kinetic constants of the reaction process were obtained, providing guidance for the utilization of ceria in the solar thermochemical cycle.

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solar energy / carbon dioxide / reaction kinetics / high temperature spliting / ceria

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Pan Heng, Zhu Liya, Lyu Youjun, Chen Shaocong. STUDY ON SURFACE REACTION KINETICS OF CERIUM OXIDE DECOMPOSITION OF CO₂ AT HIGH TEMPERATURE[J]. Acta Energiae Solaris Sinica. 2022, 43(7): 212-217 https://doi.org/10.19912/j.0254-0096.tynxb.2020-1144

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