Optimizing the interface compatibility of transparent wood for green phase-change thermal storage

IF 3.1 2区农林科学 Q1 FORESTRY

Wood Science and Technology Pub Date : 2025-04-05 DOI:10.1007/s00226-025-01650-w

Jichun Zhou, Wei Xu

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引用次数: 0

Abstract

Phase-change transparent wood (TW/DO-OTS) has the characteristics of energy storage, light transmission and regulates environmental temperature by absorbing or releasing energy during the phase-change process, in line with the double carbon goal. This research proposes an optimization of the interfacial compatibility of TW/DO-OTS, aiming to further improve the photothermal performance and mechanical strength of the samples. The wood templates were obtained by removing lignin in the wood, then the wood templates were modified by octadecyl trichlorosilane (OTS) solution, and finally TW/DO-OTS was prepared by introducing dodecanol/epoxy resin (DO/EP). The setting of OTS processing parameters is the key step of interface optimization, which is determined by single-factor experiment and response surface method. The TW/DO-OTS obtained through interface optimization has the transmittance of 92.50%, the melting temperature of 25.54 °C, and the melting latent heat of 88.96 J/g. It has good dimensional stability and high tensile strength. The energy storage of TW/DO-OTS is jointly provided by dodecanol inside the wood cell cavity and the cell wall. This wood-based green composite with light temperature responsiveness will become an ideal material choice for energy-saving buildings, temperature sensors, and cold chain transportation packaging in the future.

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优化透明木绿色相变储热的界面相容性

相变透明木（TW/DO-OTS）具有储能、透光的特性，在相变过程中通过吸收或释放能量调节环境温度，符合双碳目标。本研究提出对TW/DO-OTS的界面相容性进行优化，旨在进一步提高样品的光热性能和机械强度。通过去除木材中的木质素得到木模板，然后用十八烷基三氯硅烷（OTS）溶液对木模板进行改性，最后通过引入十二醇/环氧树脂（DO/EP）制备TW/DO-OTS。OTS工艺参数的设置是界面优化的关键步骤，通过单因素试验和响应面法确定。通过界面优化得到的TW/DO-OTS透过率为92.50%，熔化温度为25.54℃，熔化潜热为88.96 J/g。具有良好的尺寸稳定性和较高的抗拉强度。TW/DO-OTS的能量储存是由木胞腔和细胞壁内的十二醇共同提供的。这种具有光温响应性的木质绿色复合材料将成为未来节能建筑、温度传感器和冷链运输包装的理想材料选择。

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来源期刊

Wood Science and Technology 工程技术-材料科学：纸与木材

CiteScore

5.90

自引率

5.90%

发文量

审稿时长

3 months

期刊介绍： Wood Science and Technology publishes original scientific research results and review papers covering the entire field of wood material science, wood components and wood based products. Subjects are wood biology and wood quality, wood physics and physical technologies, wood chemistry and chemical technologies. Latest advances in areas such as cell wall and wood formation; structural and chemical composition of wood and wood composites and their property relations; physical, mechanical and chemical characterization and relevant methodological developments, and microbiological degradation of wood and wood based products are reported. Topics related to wood technology include machining, gluing, and finishing, composite technology, wood modification, wood mechanics, creep and rheology, and the conversion of wood into pulp and biorefinery products.