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Issue 12, 2018
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Effects of ammonolysis and of sol–gel titanium oxide nitride coating on carbon fibres for use in flexible supercapacitors

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Abstract

Smooth titanium oxide nitride coatings have been deposited on carbon fibres using a non-oxide sol–gel method based on self-condensation of titanium alkylamide species. Both the coating and a nitridation of the fibres resulting from the coating process increase the capacitance of the fibres measured in aqueous acid conditions, with significant redox capacitance contributions. When flexible symmetric capacitors were made from the coated fibres and an acid gel electrolyte they provided competitive energy and power densities. Their capacitance was retained very effectively on bending up to 180°.

Graphical abstract: Effects of ammonolysis and of sol–gel titanium oxide nitride coating on carbon fibres for use in flexible supercapacitors

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Publication details

The article was received on 21 Dec 2017, accepted on 30 Jan 2018 and first published on 12 Mar 2018


Article type: Paper
DOI: 10.1039/C7TA11142H
Citation: J. Mater. Chem. A, 2018,6, 5208-5216
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    Effects of ammonolysis and of sol–gel titanium oxide nitride coating on carbon fibres for use in flexible supercapacitors

    J. Zhang, A. L. Hector, S. Soulé, Q. Zhang and X. Zhao, J. Mater. Chem. A, 2018, 6, 5208
    DOI: 10.1039/C7TA11142H

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