热响应式智能窗口与热储效应相结合
Tianle Cheng1, Xusheng Zhang1,2, Zeyu Niu1,2
1Department of Materials Science and Engineering, Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation (FSSEG), Southern University of Science and Technology (SUSTech), No. 1088, Xueyuan Rd., Shenzhen, Guangdong, 518055, China.
Small (Weinheim an der Bergstrasse, Germany)
|December 8, 2025
概括
这项研究引入了一种双层热响应智能窗口 (DLTS),该窗口将光控制与太阳能储热集成在一起. 这些先进的智能窗户积极管理能源,为建筑物提供显著的能源节约.
科学领域:
- 材料科学 材料科学 材料科学
- 能源科学 能源科学
- 建筑技术 建筑技术 建筑技术
背景情况:
- 热敏智能窗户浪费太阳能,限制它们在碳中和建筑中的使用.
- 现有的智能窗户主要作为被动光调节器.
研究的目的:
- 开发一个双层热响应智能窗口 (DLTS),将光学调节与太阳能储热集成在一起.
- 增强建筑物主动能源管理系统中的智能窗户.
主要方法:
- 一个DLTS的制造,包括一个热色聚N-异烯酸胺 (PNIPAM) 层和一个可控制的超冷化六水合物 (CCH) 相变层.
- 调整PNIPAM的热反应温度 (Tr) 从7到70°C使用二甲基 (DMA) 和葡萄酸 (TA).
- 使用乙醇和尿素调整CCH的Tr从9到31°C,使其能够覆盖季节性温度变化.
主要成果:
- 实现了PNIPAM报告中最广泛的Tr范围,以及首个涵盖CCH季节性变化的Tr范围.
- 证明了CCH的超冷程度为50°C,在广泛的温度变化中保持透明度.
- 在CCH中报告了199 Jg-1的高潜热储存,可用于室内加热.
- 观察到显著的太阳能调制 (ΔTsol = 70.1%) 由于双层设计与匹配的Tr点.
结论:
- 通过将光学调节与太阳能储热相结合,DLTS将智能窗户转化为主动能源管理系统.
- 与普通玻璃相比,DLTS在HVAC系统中提供了显著的年度能源节约 (超过20%).
- 这项技术有可能提高碳中和建筑物的能源效率.
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