通过β相编程进行多模传感的工程纤维素 triboelectric 材料
Ling-Zhi Huang1, Yan Ding2, Dan-Dan Li2
1Liaoning Key Lab of Lignocellulose Chemistry and Biomaterialsbo, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian, Liaoning 116034, China; Research Center of Biomass Clean Utilization, MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Key Laboratory of Lignocellulosic Chemistry, College of Materials Science and Technology, Beijing Forestry University, Beijing 100083, PR China.
International journal of biological macromolecules
|February 19, 2025
概括
研究人员开发了先进的纤维素基 triboelectric 材料用于能源采集. 这些材料增强了微电纳米发电机 (TENGs) 的灵敏,自动供电的传感器,使可穿戴电子和智能设备应用.
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:
- 纤维素材料对 triboelectric纳米发电机 (TENGs) 具有吸引力,因为它们的可持续性.
- 现有的基于纤维素的TENGs具有较低的表面电荷密度,限制了性能.
- 需要改进的纤维素材料来提高TENG的灵敏度和输出功率.
研究的目的:
- 功能化纤维素 triboelectric 材料,以提高自动供电传感器的性能.
- 为了研究电聚乙烯化物 (PVDF) 纳米纤维在多孔空气涂层纸 (AP) 中对材料性能的影响.
- 为各种应用开发高灵敏度,自动供电的传感器.
主要方法:
- 利用静电旋转来创建功能化的纤维素三电电层.
- 将电PVDF纳米纤维纳入多孔气层纸 (AP) 中,以形成复合材料.
- 根据开发的材料制造和测试了 triboelectric 纳米发电机 (TENG) 和自动供电的传感器.
主要成果:
- 该PVDF/12 wt%@AP复合材料表现出显著的电荷输出 (60.7 μC m−2) 和输出功率 (233.28 mW m−2).
- 开发的接触自传感器在特定压力范围内 (1.235.0 kPa) 显示出高灵敏度 (6.20 V kPa-1).
- 非接触式传感器成功地识别了物体并检测了人类的运动,并有可能用于无线传感器终端.
结论:
- 功能化的β相纤维素材料为高性能,自动供电的传感器提供了一个有希望的途径.
- 开发的材料推动了耐用,可穿戴的自动供电传感器系统的发展.
- 这些材料可以有效地从环境中捕获机械能量,用于实际应用.
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