Effects of ammonolysis and of sol-gel titanium oxide nitride coating on carbon fibres for use in flexible supercapacitors
Effects of ammonolysis and of sol-gel titanium oxide nitride coating on carbon fibres for use in flexible supercapacitors
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.
5208-5216
Zhang, Junxian
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Hector, Andrew L.
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Soule, Samantha
f5b1ff97-bf20-4adb-ba1d-357254158d8f
Zhang, Qinghua
cbf9186a-53cc-431f-9def-e5261d6dc010
Zhao, Xin
d21edefe-ae69-47b2-a209-0c1580e3ed45
Zhang, Junxian
a75ca39b-d500-4d18-85bc-8d5f3cddd977
Hector, Andrew L.
f19a8f31-b37f-4474-b32a-b7cf05b9f0e5
Soule, Samantha
f5b1ff97-bf20-4adb-ba1d-357254158d8f
Zhang, Qinghua
cbf9186a-53cc-431f-9def-e5261d6dc010
Zhao, Xin
d21edefe-ae69-47b2-a209-0c1580e3ed45
Zhang, Junxian, Hector, Andrew L., Soule, Samantha, Zhang, Qinghua and Zhao, Xin
(2018)
Effects of ammonolysis and of sol-gel titanium oxide nitride coating on carbon fibres for use in flexible supercapacitors.
Journal of Materials Chemistry A, 6 (12), .
(doi:10.1039/c7ta11142h).
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.
Text
TiN_C flexible supercap 20180128
- Accepted Manuscript
Text
C7TA11142H reprint
- Version of Record
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Accepted/In Press date: 30 January 2018
e-pub ahead of print date: 12 March 2018
Identifiers
Local EPrints ID: 419595
URI: http://eprints.soton.ac.uk/id/eprint/419595
ISSN: 2050-7488
PURE UUID: 050d835e-8f34-48ce-a1f4-3a8586db5da2
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Date deposited: 13 Apr 2018 16:31
Last modified: 16 Mar 2024 06:10
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Author:
Junxian Zhang
Author:
Samantha Soule
Author:
Qinghua Zhang
Author:
Xin Zhao
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