Issue 31, 2017

Printing assembly and structural regulation of graphene towards three-dimensional flexible micro-supercapacitors

Abstract

Flexible, high-performance miniature supercapacitors that offer reliable energy storage and output are desirable for use in portable and wearable electronics. Herein, we developed micro-supercapacitors with three-dimensional electrodes by printing assembly of graphene. By controlling the microstructures and macroscopic architectures of the graphene electrodes, superior electrochemical performance was achieved; especially, we demonstrated an advancement to address the limitation of areal capacitance. The unique three-dimensional graphene structure also provides this new class of micro-supercapacitors with exceptional mechanical flexibility. With these remarkable features, facile integration of the micro-supercapacitor array into flexible printed circuits was demonstrated. This printing assembly approach will pave the way to explore energy storage systems with diverse structures and extended functionalities.

Graphical abstract: Printing assembly and structural regulation of graphene towards three-dimensional flexible micro-supercapacitors

Supplementary files

Article information

Article type
Paper
Submitted
07 Mas 2017
Accepted
10 Eph 2017
First published
11 Eph 2017

J. Mater. Chem. A, 2017,5, 16281-16288

Printing assembly and structural regulation of graphene towards three-dimensional flexible micro-supercapacitors

W. Li, Y. Li, M. Su, B. An, J. Liu, D. Su, L. Li, F. Li and Y. Song, J. Mater. Chem. A, 2017, 5, 16281 DOI: 10.1039/C7TA02041D

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