A self-healable and highly stretchable supercapacitor based on a dual crosslinked polyelectrolyte
By Yan Huang, M. Zhong, Yan Huang, Minshen Zhu, Zengxia Pei, Zifeng Wang, Qi Xue, Xu-Ming Xie, Chunyi Zhi. Nature Communications, 2015
637 citations recorded by the source corpus.
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. Materials for wearable energy storage devices should be mechanically durable. Here, the authors report a supercapacitor composed of polyacrylic acid dual cross-linked by hydrogen bonding and vinyl hybrid silica nanoparticles which is self-healable and retains performance when stretched up to 600%.
Subfields: Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials, Polymers and Plastics
View Paper: https://www.semanticscholar.org/paper/b21684e6c2cb933ab995470fef99e732458da4dc
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Citations in the corpus
- Transparent and stretchable triboelectric nanogenerator for self-powered tactile sensing (2019, background): “texts including transistors [2,3], strain sensors [4,5], energy storage devices [6,7], and displays [8].”
- Review of recent achievements in self-healing conductive materials and their applications (2017, background): “Huang and coworkers [92] designed an intrinsic self-healing electrolyte based on hydrogen bonding.”