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首页> 外文期刊>Advanced energy materials >Capturing Dissipation Charge in Charge Space Accumulation Area for Enhancing Output Performance of Sliding Triboelectric Nanogenerator
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Capturing Dissipation Charge in Charge Space Accumulation Area for Enhancing Output Performance of Sliding Triboelectric Nanogenerator

机译：Capturing Dissipation Charge in Charge Space Accumulation Area for Enhancing Output Performance of Sliding Triboelectric Nanogenerator

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摘要

The charge space-accumulation effect is one of most effective strategiesto boost output performance of the sliding mode triboelectricnanogenerator (TENG) with AC output, by which the shielding layergreatly prevents the air breakdown on the sliding interface and the blanktriboarea with charge dissipation on its surface promotes charge accumulation.However, charge dissipation speed depends on the properties ofmaterials and these charges are lost in the air. Herein, a novel strategy isproposed to capture dissipation charge in charge space accumulation areafor further enhancing output performance of the sliding TENG. DC outputelectrodes based on the coupling of triboelectrification and air-breakdownis designed on both sides of the slider to quickly and completely collectthe dissipation charge on the stator and accumulated charge on dielectrictribolayer of slider. Hence, the device has multichannel output toimprove output charge to 98%. A new recorded average power density of5.74 W m~(–2) Hz~(–1), 14 times higher than previously reported, is obtained.The coupling relationship between AC and DC output is systematicallystudied. This work provides a new idea for improving the output andenergy harvesting efficiency of TENGs.

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