Issue 15, 2014
From the journal:

Nanoscale

Bismuth oxide nanotubes–graphene fiber-based flexible supercapacitors†

Karthikeyan Gopalsamy,a   Zhen Xu,a   Bingna Zheng,a   Tieqi Huang,a   Liang Kou,a   Xiaoli Zhaoa  and  Chao Gao*a  

* Corresponding authors

a MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, 38 Zheda Road, Hangzhou 310027, P. R. China
E-mail: chaogao@zju.edu.cn

Abstract

Graphene–bismuth oxide nanotube fiber as electrode material for constituting flexible supercapacitors using a PVA/H3PO4 gel electrolyte is reported with a high specific capacitance (Ca) of 69.3 mF cm−2 (for a single electrode) and 17.3 mF cm−2 (for the whole device) at 0.1 mA cm−2, respectively. Our approach opens the door to metal oxide–graphene hybrid fibers and high-performance flexible electronics.

Graphical abstract: Bismuth oxide nanotubes–graphene fiber-based flexible supercapacitors

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Article information

DOI
https://doi.org/10.1039/C4NR02615B
Article type
Communication
Submitted
13 May 2014
Accepted
04 Jun 2014
First published
06 Jun 2014

Nanoscale, 2014,6, 8595-8600

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Bismuth oxide nanotubes–graphene fiber-based flexible supercapacitors

K. Gopalsamy, Z. Xu, B. Zheng, T. Huang, L. Kou, X. Zhao and C. Gao, Nanoscale, 2014, 6, 8595 DOI: 10.1039/C4NR02615B

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