一个基于羊毛和堆叠接口之间的旋转摩擦的滚筒式 triboelectric 纳米发电机,用于全方位的风能采集
Xiaonan Su1, Yuxiang Su1,2, Hongjun Yan3
1School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan 316022, China. syx@zjou.edu.cn.
Nanoscale
|December 19, 2024
概括
一个新的滚筒型 triboelectric纳米发电机 (R-TENG) 通过旋转摩擦有效地收集风能. 该设备为微电子设备和物联网 (IoT) 提供动力,展示了实际的能量收集能力.
科学领域:
- 收集能源 收集能源
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
背景情况:
- 越来越多的对可持续能源的需求为微电子设备和物联网 (IoT) 提供动力.
- 需要高效的风能采集器,能够在各种条件下运行.
研究的目的:
- 开发一台高性能滚筒型 triboelectric纳米发电机 (R-TENG) 进行有效的风能采集.
- 优化R-TENG设计以提高功率输出和能量转换效率.
主要方法:
- 在滚筒式 triboelectric纳米发电机中利用羊毛和堆叠接口之间的旋转摩擦.
- 使用羊毛减少磨损和可调节输出,并结合导电层和底部功率单元来增强电荷生成和能量转换.
- 在900rpm的电机转速下测试R-TENG性能,并评估其驱动LED和充电电容的能力.
主要成果:
- 获得的即时开放电路电压 (V_OC) 为1504V,短路电流 (I_SC) 为67.24μA,传输电荷 (Q_SC) 为157.4nC.
- 记录的最大输出功率为14.58 mW,功率密度为11.7 W m−3.
- 成功为720个LED供电,并在78秒内将2000μF电容器充电到1.5V.
结论:
- 堆叠的PTFE/FKM/羊毛R-TENG显示了风能采集的显著输出性能.
- R-TENG是收集来自各个方向的风能以供电电子设备和充电电容器在现实应用中的有前途的解决方案.
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