基于丝纤维素的灵活的三电纳米发电机,具有温度调节和自动供电监控的热管理能力
Shiyu Lu1, Shuai Zheng1, Qin Li1
1College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China.
Nano letters
|November 27, 2024
概括
研究人员开发了先进的柔性膜,用于调节温度的自动供电传感器. 这些材料提供冷却和绝缘,改善热舒适性,并使可靠的监控.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 收集能源 收集能源
背景情况:
- 灵活的 triboelectric 纳米发电机 (TENGs) 为监控提供自给自足的能量,但受到影响热舒适度的温度波动的限制.
- 开发具有集成温度调节的TENG对于实际以人为中心的应用至关重要.
研究的目的:
- 创建灵活的复合纳米纤维薄膜,增强 triboelectric 性能和有效的温度调节能力.
- 调查这些片在自动供电监控和热舒适感应方面的潜力.
主要方法:
- 使用高效的电吹 (EBS) 技术制造二氧化-丝纤维蛋白@相变微囊纳米纤维薄膜 (TiO 2 -SF@PCM NFs).
- 评估了开发的纳米纤维薄膜的 triboelectric 输出,温度调节 (冷却和绝缘),以及长期稳定性.
主要成果:
- TiO -SF@PCM NF 显示出优异的 triboelectric 输出 (峰值功率为 ~272 μW/m) 和稳定性超过 1000 个周期.
- 实现了大约10°C的显著冷却效果和大约2.2°C的绝热效果.
- 当应用于汽车模型时,证明了22°C的大量冷却效应.
结论:
- 开发的TiO -SF@PCM NF为可扩展生产先进柔性材料提供了一个有前途的战略.
- 这些片有效地结合了自动供电传感与卓越的温度调节,适用于热舒适度监测.
- 该研究强调了这些复合纳米纤维薄膜在下一代以人为中心的监控系统中的潜力.
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