茶叶科学2025，Vol.45Issue(1)：121-132,12.
茶渣基摩擦纳米发电机的性能优化及风力监测系统应用研究
Research on Performance Optimization of Tea Residue Powder-Based Triboelectric Nanogenerator and It's Application in Wind Monitoring System
摘要
Abstract
A new type of tea residue powder based triboelectric nanogenerator(TRP-TENG)was developed,and a smart wind monitoring device was developed based on it.During the experimental process,tea residue ultrafine powders with different degrees of fermentation were used as friction film materials to prepare different triboelectric nanogenerators.The differences in electrical output performance were tested and compared on a horizontal reciprocating stamping platform to find the optimal material for TRP-TENG and to optimize the device.On this basis,further testing and analysis were conducted on the optimized TRP-TENG in terms of frequency response,load characteristics,sustainability,and power supply capacity to evaluate its feasibility for application in wind monitoring devices.The experimental results show that the TRP-TENG developed with white tea residue as the material had the best electrical output performance,with an open-circuit voltage and short-circuit current of 9.1 V and 4.4 µA,respectively,and had a certain degree of stability.The contents of tea polyphenols and catechins in white tea residue were relatively high,while the contents of tea pigments were low.The corresponding TRP film had a loose and porous concave-convex surface microstructure,which could effectively increase the contact area and help improve the electrical output performance of TENG.This TRP-TENG could adapt to various vibration frequency working environments,and when the external resistance was 50 MΩ,the electrical output power reached 108.0 µW.At a driving frequency of 3 Hz,it could simultaneously light up 5 series connected commercial LED lights,and it could make the electronic timer work continuously for 15 s after charging the 10 µF capacitor for 5 min.In terms of application,a self-powered wind monitoring device was developed based on four series of connected TRP-TENG components.The test results show that this device has a significant response sensitivity to wind speed and can be applied to smart agriculture systems.关键词
茶渣/摩擦纳米发电机/能源收集/自供能传感器/智慧农业Key words
tea residue/triboelectric nanogenerator/energy collection/self-powered sensor/smart agriculture分类
农业科学引用本文复制引用
林东艺,黄冲,王未名,黄艳,冯新凯..茶渣基摩擦纳米发电机的性能优化及风力监测系统应用研究[J].茶叶科学,2025,45(1):121-132,12.基金项目
福建农林大学安溪茶学院国家级科研项目培育计划项目(ACKY2023006)、农业农村部资助项目"福建省安溪县现代农业产业园建设"(KMD18003A)、茶产业链科技创新与服务体系(K1520011A07) （ACKY2023006）
