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- Title
Thermochemical heat storage ability of ZnSO<sub>4</sub>·7H<sub>2</sub>O as potential long‐term heat storage material.
- Authors
Rehman, Ata Ur; Shah, Muhammad Zahir; Ali, Aamir; Zhao, Tianyu; Shah, Rahim; Ullah, Ihsan; Bilal, Hazrat; Khan, Ahsan Riaz; Iqbal, Muhammad; Hayat, Asif; Zheng, Maosheng
- Abstract
Summary: ZnSO4·7H2O is a promising thermochemical heat storage material. In this paper, we report a detailed thermodynamic study of ZnSO4·7H2O based on hydration/dehydration, cyclicability, and water sorption performance. The TG‐DSC measurements reported that at below 120°C, 1747 and 1298 J g−1enthalpy was recorded for dehydration and hydration, respectively. The relative‐humidity study showed that at 75% RH (0.148 g/g), the water sorption can be significantly improved compared to lower humidity (65% 0.131). The XRD study highlighted that the main structure of ZnSO4 after thermal treatment remains unchanged.
- Subjects
HEAT storage; RENEWABLE energy sources
- Publication
International Journal of Energy Research, 2021, Vol 45, Issue 3, p4746
- ISSN
0363-907X
- Publication type
Article
- DOI
10.1002/er.6077