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Porous‐Resin‐Supported Calcium Sulfate Materials for Thermal Energy Storage
Author(s) -
Huang Hongyu,
Li Jun,
Osaka Yugo,
Wang Chenguang,
Kobayashi Noriyuki,
He Zhaohong,
Deng Lisheng
Publication year - 2016
Publication title -
energy technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.91
H-Index - 44
eISSN - 2194-4296
pISSN - 2194-4288
DOI - 10.1002/ente.201600174
Subject(s) - porosity , materials science , thermal energy storage , dehydration , chemical engineering , reactivity (psychology) , particle (ecology) , durability , energy storage , sulfate , particle size , calcium , composite material , chemistry , metallurgy , thermodynamics , medicine , biochemistry , alternative medicine , oceanography , pathology , geology , physics , power (physics) , engineering
A new porous‐resin‐supported calcium sulfate (CaSO 4 ‐PSM) material with high‐density and high reactivity for chemical heat storage is developed and characterized. The newly developed CaSO 4 ‐PSM exhibits a higher reactivity than normal CaSO 4 . Furthermore, the particle diameter is an important factor for the development of new chemical thermal energy storage (CTES) material. CaSO 4 ‐PSM exhibits good performance in the hydration and dehydration processes when used as a CTES material. The hydration reaction rate of the particle with a diameter of 75 μm is 13.3 times of that of 750 μm, whereas, the dehydration reaction velocity is approximately 1.5 times higher. This finding is due to more abundant favorable pore channels for vapor transport and a larger specific surface area. Aggregation of the CaSO 4 particles before and after repetitive operations can be eliminated, and a good durability of the new porous supported thermal energy storage material of CaSO 4 can be obtained.