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Transparent wood with heat shielding and high fire safety properties for energy saving applications

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Listed:
  • Hu, Xin
  • Zhang, Yingbo
  • Cai, Wei
  • Ming, Yang
  • Yu, Rujun
  • Yang, Hongyu
  • Noor, Nuruzzaman
  • Fei, Bin

Abstract

Improving the energy efficiency of buildings is critical to achieving net-zero and addressing the global energy and climate crises. By adopting simple spin-coating, a solar-blocking coating (Cs0.33WO3) was prepared on transparent wood (TW). Meanwhile, a liquid and transparent flame retardant (BPDP) was employed to enhance its fire safety. The chemical composition, physical morphology, the thermal stability, and the fire safety of the resulting heat-shielding TW were analyzed using FTIR, XRD, SEM, TGA, and Cone, respectively. Field tests and simulations were conducted to evaluate the solar-blocking capacity and energy-saving potential of the heat-shielding. The char yield (CY) of heat-shielding TW was increased from 7.3 % to 17.1 % due to the catalytic carbonization effect of BPDP and inorganic coating. The heat-shielding TW demonstrated significant solar-blocking capabilities, with a 46.63 % reduction in solar transmission compared to the original TW. The interior surface temperature (Ts) of the heat-shielding TW model was 10.2 °C lower than that of normal glass, indicating its remarkable heat shielding performance. Energy-saving simulations based on experimental findings revealed that such heat-shielding TW achieved energy savings of 9.6 %, 7.7 %, and 6.2 % in Hong Kong, Shanghai, and Singapore, respectively, when compared to traditional glazing glass. Overall, the prepared heat-shielding TW shows promise as a novel candidate for window applications, offering improved energy efficiency.

Suggested Citation

  • Hu, Xin & Zhang, Yingbo & Cai, Wei & Ming, Yang & Yu, Rujun & Yang, Hongyu & Noor, Nuruzzaman & Fei, Bin, 2023. "Transparent wood with heat shielding and high fire safety properties for energy saving applications," Renewable Energy, Elsevier, vol. 219(P1).
    • Handle: RePEc:eee:renene:v:219:y:2023:i:p1:s0960148123013411
    DOI: 10.1016/j.renene.2023.119426
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    References listed on IDEAS

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    1. Cuce, Erdem & Riffat, Saffa B., 2015. "A state-of-the-art review on innovative glazing technologies," Renewable and Sustainable Energy Reviews, Elsevier, vol. 41(C), pages 695-714.
    2. Ye, Hong & Meng, Xianchun & Long, Linshuang & Xu, Bin, 2013. "The route to a perfect window," Renewable Energy, Elsevier, vol. 55(C), pages 448-455.
    3. Hu, Xin & Zhang, Yingbo & Zhang, Jing & Yang, Hongyu & Wang, Faming & Bin Fei, & Noor, Nuruzzaman, 2022. "Sonochemically-coated transparent wood with ZnO: Passive radiative cooling materials for energy saving applications," Renewable Energy, Elsevier, vol. 193(C), pages 398-406.
    4. Furszyfer Del Rio, Dylan D. & Sovacool, Benjamin K. & Foley, Aoife M. & Griffiths, Steve & Bazilian, Morgan & Kim, Jinsoo & Rooney, David, 2022. "Decarbonizing the glass industry: A critical and systematic review of developments, sociotechnical systems and policy options," Renewable and Sustainable Energy Reviews, Elsevier, vol. 155(C).
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