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Experimental study on the performance of a new thermochromic powder-enabled temperature adaptive paints for improving building efficiency

Author

Listed:
  • Song, Ge
  • Wang, Wenfang
  • Cheng, Zixin
  • Wang, Xiaonan
  • Gong, Yanfeng
  • Zhang, Kai

Abstract

The present study proposes a temperature adaptive paint (TAP) based on the market available thermochromic powders. The microscopic morphology, optical properties, and phase transition behavior of the TAP were characterized, and then experimental setups were constructed to demonstrate the capacities of the thermal response and thermal environment regulation for the TAP. Finally, a typical two-story residential building was modeled via EnergyPlus to analyze the energy savings potential of employing the TAP in thirty-four provincial capital cities across five distinct climatic zones in China. The results showed that buildings employing TAP can achieve an 11.6%-22.8% reduction in annual space conditioning loads compared to original buildings.

Suggested Citation

  • Song, Ge & Wang, Wenfang & Cheng, Zixin & Wang, Xiaonan & Gong, Yanfeng & Zhang, Kai, 2026. "Experimental study on the performance of a new thermochromic powder-enabled temperature adaptive paints for improving building efficiency," Renewable Energy, Elsevier, vol. 264(C).
    • Handle: RePEc:eee:renene:v:264:y:2026:i:c:s096014812600409x
    DOI: 10.1016/j.renene.2026.125584
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