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Abstract:
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. © 2020 John Wiley & Sons Ltd
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International Journal of Energy Research
ISSN: 0363-907X
Year: 2021
Issue: 3
Volume: 45
Page: 4746-4754
4 . 6 7 2
JCR@2021
4 . 3 0 0
JCR@2023
ESI HC Threshold:105
JCR Journal Grade:1
CAS Journal Grade:1
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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