引起温度的自动供电火灾警报基于p-n段同轴气凝纤维的E-织品用于消防服装中的积极防火
Hualing He1,2, Yi Qin1, Zhenyu Zhu1
1State Key Laboratory of New Textile Materials and Advanced Processing Technologies, School of Textile Science and Engineering, Wuhan Textile University, Wuhan, 430200, People's Republic of China.
Nano-micro letters
|October 13, 2023
概括
研究人员为消防员装备开发了自动供电的火灾预警织品. 这些热电 (TE) 织传感器通过从热中产生电压来提供主动防火,从而提高消防员的安全性.
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
- 可穿戴电子产品的电子产品
背景情况:
- 消防员的安全依赖于防护服,但需要积极的火灾预警系统.
- 目前的热电织品 (TET) 发展面临着灵活性,透气性和可制造性方面的挑战.
研究的目的:
- 为消防员服装创建自动供电,可调整和透气的基于织的热电火灾预警传感器.
- 为热电气凝纤维开发一种可扩展的制造方法.
主要方法:
- 利用同轴湿策略,用MXene和阿拉米德纳米纤维生产交替的p/n型热电气凝纤维.
- 通过将这些纤维合成阿拉米德织物来制造传感器,从而创建可穿戴的织品.
主要成果:
- 在300°C的温度差异下,实现了一种带有50 p-n对的热电织品,产生7.5 mV的开放电路电压和119.79 nW cm−2的功率密度.
- 证明了输出电压和温度之间的线性关系,用于消防报警计算.
- 确认了制造的传感器的透气性,机械稳定性和可穿戴性.
结论:
- 开发了一种生产灵活,高性能热电气凝纤维的新方法,用于火灾预警应用.
- 自动供电的火灾警报织品显示了与消防员防护服整合的巨大潜力,通过早期火灾检测提高了安全性.
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