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Abstract
This paper introduces a flexible moisture-powered supercapacitor (mp-SC) capable of self-charging and voltage stabilization using atmospheric moisture. The mp-SC integrates a polyelectrolyte-based moist-electric generator (MEG) and a graphene electrochemical capacitor (EC). The device demonstrates a self-charged high areal capacitance of 138.3 mF cm² and maintains 96.6% voltage for 120 hours. A large-scale device (72 mp-SC units) achieves a self-charged 60 V, powering various commercial electronics.
Publisher
Nature Communications
Published On
Jun 10, 2024
Authors
Lifeng Wang, Haiyan Wang, Chunxiao Wu, Jiaxin Bai, Tiancheng He, Yan Li, Huhu Cheng, Liangti Qu
Tags
moisture power
supercapacitor
self-charging
voltage stabilization
atmospheric moisture
energy storage
graphene

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