Renewable-emodin-based wearable supercapacitors

With the increasing dependency of human life on wearable electronics, the development of corresponding energy-storage devices is being insensitively pursued. Considering the special usage locations of wearable energy-storage devices, the safety and non-toxicity of electrode materials adopted should...

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Bibliographic Details
Published inNanoscale Vol. 9; no. 4; pp. 1423 - 1427
Main Authors Hu, Pengfei, Chen, Tinghan, Yang, Yun, Wang, Hua, Luo, Zihao, Yang, Jie, Fu, Haoran, Guo, Lin
Format Journal Article
LanguageEnglish
Published England 01.01.2017
Subjects
Devices
Electronics
Energy storage
Flexibility
Nanostructure
Product safety
Supercapacitors
Wearable
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Summary:With the increasing dependency of human life on wearable electronics, the development of corresponding energy-storage devices is being insensitively pursued. Considering the special usage locations of wearable energy-storage devices, the safety and non-toxicity of electrode materials adopted should be of concern. In this work, a novel all-solid-state wearable supercapacitor based on the renewable-biomolecule emodin, naturally derivable from traditional Chinese herbal rhubarb or Polygonum cuspidatum, was successfully fabricated. Such supercapacitors exhibited excellent charge storage and rate capability with great flexibility and could be integrated into wearable electronics. As a proof of concept, a strap-shaped supercapacitor was fabricated, and it was capable of powering an electronic watch. Our work will promote the development of safe wearable electronics.
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ISSN:2040-3364
2040-3372
DOI:10.1039/c6nr09190c