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Novel core/shell CoSe2@PPy nanoflowers for high-performance fiber asymmetric supercapacitors

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Abstract

Nanostructured CoSe2 chrysanthemum flower are synthesized via a simple hydrothermal route. The highly hierarchical and electrochemically active material is electrodeposited with PPy to produce high performance CoSe2@PPy core/shell structured electrodes. A flexible fiber asymmetric supercapacitor (FASC) assembled from a CoSe2@PPy core/shell positive electrode and an electrochemically activated carbon fiber (EACF) negative electrode exhibits high volumetric energy density, superior flexibility and long lifespan. The resulting FASC has been used to power a mini-scale flexible photodetector, demonstrating great potential for the development of high performance energy storage devices.

Graphical abstract: Novel core/shell CoSe2@PPy nanoflowers for high-performance fiber asymmetric supercapacitors

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Publication details

The article was received on 04 Mar 2018, accepted on 28 Apr 2018 and first published on 30 Apr 2018


Article type: Paper
DOI: 10.1039/C8TA02056F
Citation: J. Mater. Chem. A, 2018, Advance Article
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    Novel core/shell CoSe2@PPy nanoflowers for high-performance fiber asymmetric supercapacitors

    Q. Wang, Y. Ma, X. Liang, D. Zhang and M. Miao, J. Mater. Chem. A, 2018, Advance Article , DOI: 10.1039/C8TA02056F

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