Scalable synthesis of freestanding sandwich-structured graphene/polyaniline/graphene nanocomposite paper for flexible all-solid-state supercapacitor

Scientific Reports
Fei XiaoYunqi Liu

Abstract

We reported a scalable and modular method to prepare a new type of sandwich-structured graphene-based nanohybrid paper and explore its practical application as high-performance electrode in flexible supercapacitor. The freestanding and flexible graphene paper was firstly fabricated by highly reproducible printing technique and bubbling delamination method, by which the area and thickness of the graphene paper can be freely adjusted in a wide range. The as-prepared graphene paper possesses a collection of unique properties of highly electrical conductivity (340 S cm(-1)), light weight (1 mg cm(-2)) and excellent mechanical properties. In order to improve its supercapacitive properties, we have prepared a unique sandwich-structured graphene/polyaniline/graphene paper by in situ electropolymerization of porous polyaniline nanomaterials on graphene paper, followed by wrapping an ultrathin graphene layer on its surface. This unique design strategy not only circumvents the low energy storage capacity resulting from the double-layer capacitor of graphene paper, but also enhances the rate performance and cycling stability of porous polyaniline. The as-obtained all-solid-state symmetric supercapacitor exhibits high energy density, high ...Continue Reading

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Citations

Aug 22, 2016·Journal of Colloid and Interface Science·Xin XiDongqing Wu
Aug 16, 2016·ACS Applied Materials & Interfaces·Yufeng ZhaoZi-Feng Ma
Feb 23, 2017·Chemistry, an Asian Journal·Amrita De AdhikariGanesh Chandra Nayak
Feb 18, 2016·Chemistry, an Asian Journal·Liangti QuTong Xu
Feb 6, 2018·Chemical Society Reviews·Deepak P DubalPedro Gomez-Romero
Feb 6, 2018·Advanced Materials·Zhitao ZhangHuisheng Peng
Feb 27, 2018·Advanced Materials·Tian LvTao Chen
Feb 8, 2018·Chemical Society Reviews·Fang YiZhongfan Liu
Jun 3, 2016·Advanced Materials·Beatriz Mendoza-Sánchez, Yury Gogotsi
Mar 1, 2020·Polymers·Samarjeet Singh SiwalVijay Kumar Thakur
Jun 13, 2019·Nature Communications·Weiqian TianMahiar M Hamedi
Nov 1, 2017·Nanoscale Horizons : the Home for Rapid Reports of Exceptional Significance in Nanoscience and Nanotechnolgy·Yating HuJohn Wang
Jun 21, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Wen HeHan Qiang
Sep 15, 2016·Nanoscale Horizons : the Home for Rapid Reports of Exceptional Significance in Nanoscience and Nanotechnolgy·Pan XiongXin Wang

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Methods Mentioned

BETA
ESR
Scanning electron microscopy

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