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

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

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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 challenge.To overcome this challenge,the triboelectric nanogenerator(TENG),a highly efficient high-entropy mechanical energy harvesting device,was developed in 2012.This device enables the direct conversion of irregular and low-frequency mechanical energy into pulsed alternating current(AC)signals.However,the incompatibility of most electronic devices with AC signals necessitates rectifier circuits or generators that deliver direct current(DC)signals.In recent years,DC-TENGs have undergone extensive development,achieving significant milestones in various application fields while also facing crucial challenges that require solutions.In this review,three categories of DC-TENG devices with distinct operating mechanisms are comprehensively explored:multiphase coupling,mechanical rectification,and air breakdown.Their typical structures and working mechanisms are thoroughly discussed,and specific output performance limitations,along with corre-sponding optimization strategies,are identified.Furthermore,the applications of DC-TENGs in various scenarios are sum-marized.Finally,the challenges faced by DC-TENGs and potential solutions are analyzed to guide further advancements in this technology.

TENGdirect currentworking mechanismsoutput performance limitationsoptimization strategies

CHEN Jie、GUO RuiLong、GUO HengYu

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College of Physics and Electronic Engineering,Chongqing Normal University Chongqing 401331,China

Department of Applied Physics,Chongqing University,Chongqing 401331,China

Postdoctoral Science FoundationMinistry of Education"Chunhui Plan"Cooperative Scientific Research ProjectScientific and Technology Research Program of Chongqing Municipal Education CommissionScientific and Technology Research Program of Chongqing Municipal Education CommissionScientific and Technology Research Program of Chongqing Municipal Education CommissionNatural Science Foundation of ChongqingDr."Through Train"Scientific Research Program

2023M730419HZKY20220206KJQN202100522KJQN202200514KJQN202100514cstc2021jcyjmsxmX0746CSTB2022BSXM-JCX0091

2024

10.1007/s11431-023-2540-0

中国科学:技术科学(英文版)
中国科学院

中国科学:技术科学(英文版)

CSTPCDEI
影响因子：1.056
ISSN：1674-7321
年,卷(期)：2024.67(5)