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Hydrophobic silica-shelled shape-stabilized phase change materials for durable, leakage-resistant cementitious mortars

delete2026-07-27
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OA
AI
Y
Yue Zhao
D
Di Zhu
Q
Qiao Wang *
X
Xiaomao Wang
W
Wei Zhou
X
Xiang Ji
X
Xiaolin Chang
DOI:10.1016/j.dibe.2026.100995delete
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Abstract

Abstract

En 中文
• Surfactant-free self-assembly formed a hydrophobic silica shell on SSPCMs. • Leakage at 60 °C was reduced to 0.12% after 4 h. • Shell-coated SSPCM mortar showed lower water uptake and chloride diffusion. • A denser particle–matrix interface was evidenced by BSE/EDS and nanoindentation. • After 500 cycles, latent-heat loss of the coated system was only 1.8%.
Keywords:
Phase change material
Cementitious mortar
Silica shell
Durability
Thermal buffering
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Developments in the Built Environment cover
Developments in the Built Environment
IF:
8.2
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985
Citations:
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wuhan university
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Papers: 5.7W
Citations: 70
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