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Carbonation Reaction of Lithium Hydroxide during Low Temperature Thermal Energy Storage Process

Jun Li1,2,3, Tao Zeng1,2,3,*, Noriyuki Kobayashi4, Rongjun Wu4, Haotai Xu4, Lisheng Deng1,2,3, Zhaohong He1,2,3, Hongyu Huang1,2,3,*

1 Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou, 510640, China
2 Guangdong Key Laboratory of New and Renewable Energy Research and Development, Guangzhou, 510640, China
3 Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou, 511458, China
4 Department of Chemical Engineering, Nagoya University, Nagoya, 464-8603, Japan

* Corresponding Authors: Tao Zeng. Email: email; Hongyu Huang. Email: email

(This article belongs to this Special Issue: New Trends in Sustainable Materials for Energy Conversion, CO2 Capture and Pollution Control)

Journal of Renewable Materials 2021, 9(9), 1621-2630.


In order to apply lithium hydroxide (LiOH) as a low temperature chemical heat storage material, the carbonation reaction of LiOH and the prevention method are focused in this research. The carbonation of raw LiOH at storage and hydration condition is experimentally investigated. The results show that the carbonation reaction of LiOH with carbon dioxide (CO2) is confirmed during the hydration reaction. The carbonation of LiOH can be easily carried out with CO2 at room temperature and humidity. LiOH can be carbonated at a humidity range of 10% to 20%, a normal humidity region that air can easily be reached. Furthermore, the carbonation reaction rate has not nearly affected by the increase of reaction temperature. An improved storage method by storing LiOH at a low humidity less than 1.0% can be effectively prevented the carbonation of LiOH. The hydration reaction ratio of LiOH at the improved storage method shows a better result compared to the ordinary storage method. Therefore, the humidity should be carefully controlled during the storage of LiOH before hydration and dehydration reaction when apply LiOH as a low heat chemical storage material.


Cite This Article

Li, J., Zeng, T., Kobayashi, N., Wu, R., Xu, H. et al. (2021). Carbonation Reaction of Lithium Hydroxide during Low Temperature Thermal Energy Storage Process. Journal of Renewable Materials, 9(9), 1621–2630.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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