期刊
NANO ENERGY
卷 84, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.nanoen.2021.105864
关键词
Contact electrification; Electrostatic breakdown; Gas atmosphere; Triboelectric nanogenerator; Direct-current
类别
资金
- National Key RAMP
- D Project from Minister of Science and Technology [2016YFA0202704]
- National Natural Science Foundation of China [61774016, 5151101243, 51561145021]
- China Postdoctoral Science Foundation [2019M660587]
- Beijing Municipal Science AMP
- Technology Commission [Z171100000317001, Z171100002017017, Y3993113DF]
The study presents a strategy for enhancing the output performance of DC-TENG in an oxygen atmosphere, resulting in an eight-fold increase in output power. This finding not only offers a new approach to improve the performance of DC-TENG, but also provides a novel insight into contact electrification from the perspective of gas atmosphere.
Gas breakdown is a common phenomenon in triboelectric nanogenerator (TENG) and a core limiting factor for pursuing high performance alternating-current TENG (AC-TENG) arising from contact electrification and electrostatic induction in atmosphere condition, and it is also especially crucial for elevating the output limit of the direct-current TENG (DC-TENG) from contact electrification and dielectric breakdown. Here, we propose a strategy for enhancing the output performance of DC-TENG among a wide range of atmosphere pressure in oxygen. Due to the elevation of both contact electrification and electrostatic breakdown, an oxygen-enhanced DC-TENG under ordinary pressure is realized with an eight-fold output power enhancement than that in atmospheric air. Our findings not only find a new method to enhance the output performance of DC-TENG, but also provide a novel insight of contact electrification from the perspective of gas atmosphere.
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