期刊
NANOSCALE
卷 9, 期 4, 页码 1423-1427出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6nr09190c
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资金
- National Natural Science Foundation of China [51502009, 51532001]
- National Key Basic Research Program of China [2014CB31802]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry [37728802]
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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