材料科学
可再生能源
热能储存
生物复合材料
储能
透射率
聚碳酸酯
相变材料
复合材料
工艺工程
热的
复合数
光电子学
生态学
功率(物理)
物理
量子力学
气象学
电气工程
生物
工程类
作者
Céline Montanari,Hui Chen,Matilda Lidfeldt,Josefin Gunnarsson,Peter Olsén,Lars A. Berglund
出处
期刊:Small
[Wiley]
日期:2023-03-27
卷期号:19 (28)
被引量:8
标识
DOI:10.1002/smll.202301262
摘要
The sustainable development of functional energy-saving building materials is important for reducing thermal energy consumption and promoting natural indoor lighting. Phase-change materials embedded in wood-based materials are candidates for thermal energy storage. However, the renewable resource content is usually insufficient, the energy storage and mechanical properties are poor, and the sustainability aspect is unexplored. Here a novel fully bio-based transparent wood (TW) biocomposite for thermal energy storage, combining excellent heat storage properties, tunable optical transmittance, and mechanical performance is introduced. A bio-based matrix based on a synthesized limonene acrylate monomer and renewable 1-dodecanol is impregnated and in situ polymerized within mesoporous wood substrates. The TW demonstrates high latent heat (89 J g-1 ) exceeding commercial gypsum panels, combined with thermo-responsive optical transmittance (up to 86%) and mechanical strength up to 86 MPa. The life cycle assessment shows that the bio-based TW has a 39% lower environmental impact than transparent polycarbonate panels. The bio-based TW holds great potential as scalable and sustainable transparent heat storage solution.
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