A self-healable and highly stretchable supercapacitor based on a dual crosslinked polyelectrolyte

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Original languageEnglish
Article number10310
Pages (from-to)10310
Journal / PublicationNature Communications
Volume6
Online published22 Dec 2015
Publication statusPublished - 2015

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Abstract

Superior self-healability and stretchability are critical elements for the practical wide-scale adoption of personalized electronics such as portable and wearable energy storage devices. However, the low healing efficiency of self-healable supercapacitors and the small strain of stretchable supercapacitors are fundamentally limited by conventional polyvinyl alcohol-based acidic electrolytes, which are intrinsically neither self-healable nor highly stretchable. Here we report an electrolyte comprising polyacrylic acid dual crosslinked by hydrogen bonding and vinyl hybrid silica nanoparticles, which displays all superior functions and provides a solution to the intrinsic self-healability and high stretchability problems of a supercapacitor. Supercapacitors with this electrolyte are non-autonomic self-healable, retaining the capacitance completely even after 20 cycles of breaking/healing. These supercapacitors are stretched up to 600% strain with enhanced performance using a designed facile electrode fabrication procedure.

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A self-healable and highly stretchable supercapacitor based on a dual crosslinked polyelectrolyte. / Huang, Yan; Zhong, Ming; Huang, Yang et al.
In: Nature Communications, Vol. 6, 10310, 2015, p. 10310.

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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