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Review

Critical Review of Ca(OH)2/CaO Thermochemical Energy Storage Materials

1
State Key Laboratory of Power System and Generation Equipment, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China
2
School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
*
Author to whom correspondence should be addressed.
Energies 2023, 16(7), 3019; https://doi.org/10.3390/en16073019
Submission received: 29 January 2023 / Revised: 12 March 2023 / Accepted: 22 March 2023 / Published: 25 March 2023
(This article belongs to the Topic Thermal Energy Transfer and Storage)

Abstract

Thermal energy storage is an essential technology for improving the utilization rate of solar energy and the energy efficiency of industrial processes. Heat storage and release by the dehydration and rehydration of Ca(OH)2 are hot topics in thermochemical heat storage. Previous studies have described different methods for improving the thermodynamic, kinetic, and structural stability of Ca(OH)2 to improve energy storage density, energy storage rate, and cycle stability, respectively. Here, the mechanisms and effects of different techniques on the performance improvement of Ca(OH)2 and some common problems were reviewed. Specific problems were also clarified based on the characteristics of different technologies. Finally, suggestions for the future development of Ca(OH)2 heat storage materials were provided.
Keywords: Ca(OH)2; CaO; thermochemical heat storage; material improvement Ca(OH)2; CaO; thermochemical heat storage; material improvement

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MDPI and ACS Style

Feng, Y.; Li, X.; Wu, H.; Li, C.; Zhang, M.; Yang, H. Critical Review of Ca(OH)2/CaO Thermochemical Energy Storage Materials. Energies 2023, 16, 3019. https://doi.org/10.3390/en16073019

AMA Style

Feng Y, Li X, Wu H, Li C, Zhang M, Yang H. Critical Review of Ca(OH)2/CaO Thermochemical Energy Storage Materials. Energies. 2023; 16(7):3019. https://doi.org/10.3390/en16073019

Chicago/Turabian Style

Feng, Yupeng, Xuhan Li, Haowen Wu, Chaoran Li, Man Zhang, and Hairui Yang. 2023. "Critical Review of Ca(OH)2/CaO Thermochemical Energy Storage Materials" Energies 16, no. 7: 3019. https://doi.org/10.3390/en16073019

APA Style

Feng, Y., Li, X., Wu, H., Li, C., Zhang, M., & Yang, H. (2023). Critical Review of Ca(OH)2/CaO Thermochemical Energy Storage Materials. Energies, 16(7), 3019. https://doi.org/10.3390/en16073019

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