Thermochemical heat storage ability of  ZnSO 4  · 7H 2 O  as potential long‐term heat storage material | Zendy

Rehman Ata Ur | Zendy; Shah Muhammad Zahir | Zendy; Ali Aamir | Zendy; Zhao Tianyu | Zendy; Shah Rahim | Zendy; Ullah Ihsan | Zendy; Bilal Hazrat | Zendy; Khan Ahsan Riaz | Zendy; Iqbal Muhammad | Zendy; Hayat Asif | Zendy; Zheng Maosheng | Zendy

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Thermochemical heat storage ability of ZnSO 4 · 7H 2 O as potential long‐term heat storage material

Author(s) -

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

Publication year - 2020

Publication title -

international journal of energy research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.808

H-Index - 95

eISSN - 1099-114X

pISSN - 0363-907X

DOI - 10.1002/er.6077

Subject(s) - term (time) , chemistry , thermal energy storage , materials science , thermodynamics , physics , quantum mechanics

Summary ZnSO 4 ·7H 2 O is a promising thermochemical heat storage material. In this paper, we report a detailed thermodynamic study of ZnSO 4 ·7H 2 O based on hydration/dehydration, cyclicability, and water sorption performance. The TG‐DSC measurements reported that at below 120°C, 1747 and 1298 J g −1 enthalpy 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 ZnSO 4 after thermal treatment remains unchanged.

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