Anisotropic tribology and electrification properties of slidingmode triboelectric nanogenerator with groove textures

作     者：Weixu YANG Jieyang WANG Xiaoli WANG Ping CHEN Weixu YANG;Jieyang WANG;Xiaoli WANG;Ping CHEN

作者机构：Department of Mechanical EngineeringUniversity of Science and Technology BeijingBeijing 100083China Department of Mechanical EngineeringBeijing Institute of TechnologyBeijing 100081China 

出 版 物：《Friction》 (摩擦（英文版）)

年 卷 期：2024年第12卷第8期

页      面：1828-1837页

核心收录：

学科分类：08[工学] 080203[工学-机械设计及理论] 0802[工学-机械工程] 

基　　金：supported by Beijing Natural Science Foundation(No.3224065) Guangdong Basic and Applied Basic Research Foundation(No.2021A1515110351) National Natural Science Foundation of China(No.51975042) 

主　　题：sliding-mode triboelectric nanogenerator groove textures direction angle performance anisotropy tribology&electrification properties 

摘      要：Sliding-mode triboelectric nanogenerator(S-TENG)is based on the coupling of triboelectrification and electrostatic induction,converting electrical energy from sliding *** micro-textures into the sliding surface,and adjusting the angle between the texture and sliding direction(direction angle)may achieve performance anisotropy,which provides novel ideas for optimizing the tribology and electrification performance of *** guide the performance optimization based on the anisotropy,in this paper,groove micro-textures were fabricated on the surface of S-TENG,and anisotropic tribology and electrification performance were obtained through changing the direction *** on the surface analysis and after-cleaning tests,the mechanism of the anisotropy was *** is shown that the anisotropy of friction coefficient can be attributed to the changes of texture edge induced resistance and groove captured wear debris,while the voltage anisotropy is due to the variations of debris accumulated on the sliding interface and the resulting charge *** the selected 0°–90°direction angles,S-TENG at angle of 90°exhibits relatively small stable friction coefficient and high open-circuit voltage,and thus it is recommended for the performance *** open-circuit voltage is not directly associated with the friction coefficient,but closely related to the wear debris accumulated on the sliding *** study presents a simple and convenient method to optimize the performance of S-TENG,and help understand the correlation between its tribology and electrical performance.