Emerging direct current triboelectric nanogenerator for high-entropy mechanical energy harvesting

作     者：CHEN Jie GUO RuiLong GUO HengYu CHEN Jie;GUO RuiLong;GUO HengYu

作者机构：College of Physics and Electronic EngineeringChongqing Normal UniversityChongqing 401331China Department of Applied PhysicsChongqing UniversityChongqing 401331China 

出 版 物：《Science China(Technological Sciences)》 (中国科学（技术科学英文版）)

年 卷 期：2024年第67卷第5期

页      面：1297-1316页

核心收录：

学科分类：080801[工学-电机与电器] 0808[工学-电气工程] 07[理学] 070205[理学-凝聚态物理] 08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0702[理学-物理学] 

基　　金：supported by the Postdoctoral Science Foundation(Grant No.2023M730419) the Ministry of Education“Chunhui Plan”Cooperative Scientific Research Project(Grant No.HZKY20220206) the Scientific and Technology Research Program of Chongqing Municipal Education Commission(Grant Nos.KJQN202100522,KJQN202200514 and KJQN202100514) the Natural Science Foundation of Chongqing(Grant No.cstc2021jcyj-msxmX0746) the Dr.“Through Train”Scientific Research Program(Grant No.CSTB2022BSXM-JCX0091) 

主　　题：TENG direct current working mechanisms output performance limitations optimization strategies 

摘      要：In the era of the Internet of Things(IoT),the provision of sustainable power to distributed,mobile,and low-power-consumption electronic devices is a critical *** overcome this challenge,the triboelectric nanogenerator(TENG),a highly efficient high-entropy mechanical energy harvesting device,was developed in *** device enables the direct conversion of irregular and low-frequency mechanical energy into pulsed alternating current(AC)***,the incompatibility of most electronic devices with AC signals necessitates rectifier circuits or generators that deliver direct current(DC)*** recent years,DC-TENGs have undergone extensive development,achieving significant milestones in various application fields while also facing crucial challenges that require *** this review,three categories of DC-TENG devices with distinct operating mechanisms are comprehensively explored:multiphase coupling,mechanical rectification,and air *** typical structures and working mechanisms are thoroughly discussed,and specific output performance limitations,along with corresponding optimization strategies,are ***,the applications of DC-TENGs in various scenarios are ***,the challenges faced by DC-TENGs and potential solutions are analyzed to guide further advancements in this technology.