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

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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

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Publication details

The article was received on 07 Mar 2017, accepted on 10 Apr 2017 and first published on 11 Apr 2017


Article type: Paper
DOI: 10.1039/C7TA02041D
Citation: J. Mater. Chem. A, 2017, Advance Article
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    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, Advance Article , DOI: 10.1039/C7TA02041D

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