Abstract
The output performance of triboelectric nanogenerators (TENGs) in various gas atmospheres can differ because of gaseous discharge. Here, a gas-enhanced enclosed cubic-TENG is designed and fabricated using the contact electrification between a fluorinated ethylene propylene thin film and a layer of conducting fabric. The effects of different gases including He, Ar, air, N2, CO2, CHF2Cl, and SF6 on the output performance of the cubic-TENG are systematically investigated. The highest voltage and current of 500 V and 11 µA, respectively, are obtained in the SF6 atmosphere and respectively represent increases of 67% and 120% compared with an air atmosphere. The output performance of the cubic-TENG is not affected by the ambient humidity. Finally, the cubic-TENG is demonstrated herein as an energy harvester and vibration sensor.
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