热色液凝具有高传导度调制和快速响应,用于灵活的智能窗户
Fan Jiang1, Kui Yu1, Roland Kieffer1
1Department of Bionanoscience, Kavli institute of Nanoscience, Delft University of Technology, Van der Maasweg 9, Delft, The Netherlands.
Communications materials
|November 7, 2025
概括
研究人员开发了一种新的热色液凝,用于节能智能窗户. 这种灵活的材料可以快速调整其色调以控制阳光,为各种应用提供耐用性和效率.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 可持续能源 可持续能源
背景情况:
- 越来越多的环境问题需要节能解决方案.
- 热色智能窗户被动调节阳光,但现有的技术缺乏热耐用性和机械强度.
- 在智能窗口应用中,快速过渡温度低于30°C是理想的.
研究的目的:
- 为智能窗户开发一种耐用且高效的热色液凝.
- 在人类舒适区内创建具有快速,可逆热色特性的材料.
- 评估热色水凝的机械稳定性和大规模生产可行性.
主要方法:
- 从聚N,N-二甲基甲基酸和2,2,2-三甲基酸组装一个热色凝.
- 描述水凝的热色过渡温度,反应时间和可逆性的特征.
- 评估机械性能,包括应变耐受性和长期循环稳定性 (超过10,000个循环).
- 测量太阳能和光透射率调制的测量.
主要成果:
- 一种新的热色凝成功合成并形成柔性膜.
- 水凝表现出快速 (~3s) 和可逆的度,高于可调节的过渡温度在人类舒适区内.
- 该材料在500%的应变下保持了热色特性,并且显示了太阳 (70.6%) 和光 (85.7%) 传导率的高调节.
- 智能窗膜在超过10,000个加热/冷却周期中显示出稳定性.
结论:
- 开发的水凝为节能智能窗户提供了一个有前途的解决方案,因为它具有快速响应,耐用性和可调节性质.
- 它的灵活性,机械强度和高效的光调节使其适用于建筑,汽车和可穿戴应用.
- 这种材料促进了被动温度调节技术的发展.
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