先进的生物灵感个人温度调节织品用于户外辐射冷却
K M Faridul Hasan1, Jianheng Chen1, Siru Chen1
1School of Energy and Environment, City University of Hong Kong, Kowloon 999077, Hong Kong.
ACS applied materials & interfaces
|January 1, 2025
概括
研究人员开发了一种新型智能织品,PAC@T,灵感来自火鸟的羽毛. 这种织品提供了卓越的辐射冷却,与传统面料相比降低了6.1°C的温度,提供了无能源的个人温度调节.
科学领域:
- 材料科学 材料科学 材料科学
- 织工程 织工程 织工程
- 纳米技术纳米技术
背景情况:
- 辐射冷却织品对于个人热舒适和减轻全球变暖带来的热应激至关重要.
- 将有效的辐射冷却集成到可扩展的织材料中以进行温度调节,这带来了重大挑战.
- 最佳的冷却需要具有精确控制光学特性和光谱选择性的织品.
研究的目的:
- 以自然温度调节为灵感,开发一种具有增强辐射冷却性能的新型智能织品.
- 创建一个可扩展和耐用的织材料,以有效的个人温度调节.
- 研究开发的智能织品的光学和热性质.
主要方法:
- 从聚烯和颗粒制造纳米孔隙无材料.
- 无材料与纤维素棉针织布的整合,使用电和热压.
- 智能织元面料 (PAC@T) 的光学特性,多孔性和热性能的表征.
主要成果:
- 开发的PAC@T表现出高的太阳反射率 (95%) 和中红外 (MIR) 发射率 (91.8%).
- PAC@T证明了水蒸气传输和蒸发率的提高,提高了佩戴者的舒适度.
- 与传统织品相比,智能织品实现了显著的冷却效果,降低了6.1°C的温度.
结论:
- 开发的PAC@T为个人温度调节提供了卓越的冷却效率,耐用性和无能量运行.
- 该材料是从可访问的原材料中合成的,使用一种潜在的可扩展过程.
- 在个人热管理的智能织品中,PAC@T对工业应用具有重大前景.
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