大批基于Schottky结的灵活的三电纳米发电机来为绿色6G网络中的反射传播提供电力
Yilin He1, Amus Chee Yuen Goay2, Anthony Chun Yin Yuen3
1School of Mechanical and Manufacturing Engineering, University of New South Wales, Building J17, Kensington, Sydney, NSW, 2052, Australia.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|December 1, 2023
概括
这项研究介绍了使用矿纳米粒子在 triboelectric纳米发电机 (TENGs) 中显著提高输出功率的Schottky连接. 这些增强的TENG可以为无线电频率识别标签提供动力,改善可持续6G应用的无线通信范围.
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:
- 三电纳米发电机 (TENGs) 为收集机械能提供了一个有前途的途径.
- 提高TENG的输出性能和实际应用仍然是一个关键的挑战.
- 探索Schottky连接点,以增强TENGs中的电荷动态.
研究的目的:
- 开发一种新的方法,用于在TENG中构建Schottky节点,以提高它们的功率输出.
- 为了研究矿酸酸 (BZT) 核心/银外纳米颗粒在 triboelectric 层中的使用.
- 为了证明这些增强的TENGs在为反射传播通信 (BackCom) 系统的射频识别 (RFID) 标签提供动力的应用.
主要方法:
- 矿BZT核心/银外纳米颗粒的合成.
- 将纳米粒子嵌入到电聚乙烯化物-合-化 (PVDF-HFP) 纳米纤维中,以创建三极阴性层.
- 用复合材料和整洁纤维地毯制造和表征TENG.
- 整合TENGs与RFID标签用于BackCom系统测试.
主要成果:
- 与整洁地毯相比,使用复合纤维地毯的TENG显示出输出功率增加了>600%.
- 性能最好的TENG实现了1339V的开放电路电压,40μA的短路电流,以及47.9W m-2功率密度.
- 斯科特基交点改善了电荷载体密度和电荷传输速率.
- 使用TENG驱动的RFID标签将BackCom通信范围提高了386%.
结论:
- 新的Schottky交叉路口方法显著提高了TENG的性能.
- 这些高性能TENG为BackCom系统中的被动RFID标签提供了可行的能源.
- 这项技术通过扩大通信范围,为6G无线网络的超大规模连接提供了可持续的解决方案.
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