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Hydrophobic silica-shelled shape-stabilized phase change materials for durable, leakage-resistant cementitious mortars
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DOI:10.1016/j.dibe.2026.100995.png)
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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