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An Advanced Strategy to Enhance TENG Output: Reducing Triboelectric Charge Decay

机译：An Advanced Strategy to Enhance TENG Output: Reducing Triboelectric Charge Decay

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摘要

The Internet of Things (IoT) is poised to accelerate the construction of smartcities. However, it requires more than 30 billion sensors to realize the IoTvision, posing great challenges and opportunities for industries of selfpoweredsensors. Triboelectric nanogenerator (TENG), an emerging newtechnology, is capable of easily converting energy from surrounding environmentinto electricity, thus TENG has tremendous application potentialin self-powered IoT sensors. At present, TENG encounters a bottleneck toboost output for large-scale commercial use if just by promoting triboelectriccharge generation, because the output is decided by the triboelectric chargedynamic equilibrium between generation and decay. To break this bottleneck,the strategy of reducing triboelectric charge decay to enhance TENG output isfocused. First, multiple mechanisms of triboelectric charge decay are summarizedin detail with basic theoretical principles for future research. Furthermore,recent advances in reducing triboelectric charge decay are thoroughlyreviewed and outlined in three aspects: inhibition and application of airbreakdown, simultaneous inhibition of air breakdown and triboelectric chargedrift/diffusion, and inhibition of triboelectric charge drift/diffusion. Finally,challenges and future research focus are proposed. This review providesreference and guidance for enhancing TENG output.

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