Affiliation:
1. Key Laboratory of Marine Environmental Corrosion and Bio‐fouling Institute of Oceanology Chinese Academy of Sciences Qingdao 266071 China
2. Open Studio for Marine Corrosion and Protection Pilot National Laboratory for Marine Science and Technology (Qingdao) 168 Wenchi Middle Road Qingdao 266237 China
3. University of Chinese Academy of Science Beijing 100049 China
4. Stata Key Laboratory of Power Transmission Equipment and System Security and New Technology Chongqing University Chongqing 400044 P. R. China
Abstract
AbstractThe Internet of Things (IoT) is poised to accelerate the construction of smart cities. However, it requires more than 30 billion sensors to realize the IoT vision, posing great challenges and opportunities for industries of self‐powered sensors. Triboelectric nanogenerator (TENG), an emerging new technology, is capable of easily converting energy from surrounding environment into electricity, thus TENG has tremendous application potential in self‐powered IoT sensors. At present, TENG encounters a bottleneck to boost output for large‐scale commercial use if just by promoting triboelectric charge generation, because the output is decided by the triboelectric charge dynamic equilibrium between generation and decay. To break this bottleneck, the strategy of reducing triboelectric charge decay to enhance TENG output is focused. First, multiple mechanisms of triboelectric charge decay are summarized in detail with basic theoretical principles for future research. Furthermore, recent advances in reducing triboelectric charge decay are thoroughly reviewed and outlined in three aspects: inhibition and application of air breakdown, simultaneous inhibition of air breakdown and triboelectric charge drift/diffusion, and inhibition of triboelectric charge drift/diffusion. Finally, challenges and future research focus are proposed. This review provides reference and guidance for enhancing TENG output.
Funder
National Natural Science Foundation of China
Subject
Mechanical Engineering,Mechanics of Materials,General Materials Science
Cited by
33 articles.
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