一个灵活的滚动式三电纳米发电机,具有生物盖结构,用于低速度的水流能量收集
Jiacheng Zhang1,2,3, Hengyu Li2,4, Jianlong Wang2,4
1Guangzhou Institute of Blue Energy, Guangzhou, 510555, China.
Small (Weinheim an der Bergstrasse, Germany)
|January 6, 2025
概括
这项研究介绍了一种耐用的滚动 triboelectric 纳米发电机 (GFR-TENG),它从低速度的水流中收集能量. 它的创新设计确保了传感器的长期稳定发电.
科学领域:
- 收集能源 收集能源
- 材料科学 材料科学 材料科学
- 三元电纳米发电机
背景情况:
- 从低速水流中获取能量,对长期稳定性带来了重大挑战.
- 现有的方法经常遭受磨损,限制其运行寿命.
研究的目的:
- 开发一台灵活的滚动 triboelectric纳米发电机 (GFR-TENG),能够稳定地从稳定,低速的水流中收集能量.
- 提高用于水下能源应用的 triboelectric 纳米发电机的耐用性和水力动力性能.
主要方法:
- 设计了一个GFR-TENG,使用柔性空心化乙烯 (FEP) 管作为介电材料,以确保滚动摩擦并最大限度地减少磨损.
- 整合了生物鱼甲覆盖结构,以优化水力动力性能.
- 测试了GFR-TENG在1700,000个循环中的耐用性,以及其在低水速 (0.22 m/s) 和不同沉浸深度的能量收集能力.
主要成果:
- GFR-TENG表现出了卓越的耐用性,在1,700,000个循环后保持了超过95%的性能.
- 与标准轮子相比,生物盖结构提高了24.54%的旋转频率.
- 在0.22m/s的低水流速度和不同沉浸深度实现了稳定的能量采集.
结论:
- GFR-TENG为收集低速水流能量提供了一种新且非常耐用的解决方案.
- 该设备成功为无线传感器供电,证明了其在开放通道环境中的实际应用潜力.
- 生物设计显著提高了纳米发电机的能量收集效率和寿命.
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