Enhancing the carbon yield of cellulose based carbon fibres with ionic liquid impregnates

Byrne,N, Chen,J and Fox,B 2014, Enhancing the carbon yield of cellulose based carbon fibres with ionic liquid impregnates, Journal of materials chemistry A, vol. 2, pp. 15758-15762, doi: 10.1039/c4ta04059g.

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Title Enhancing the carbon yield of cellulose based carbon fibres with ionic liquid impregnates
Author(s) Byrne,N
Journal name Journal of materials chemistry A
Volume number 2
Start page 15758
End page 15762
Total pages 5
Publisher Royal Society of Chemistry
Place of publication Cambridge, Eng.
Publication date 2014
ISSN 2050-7488
Keyword(s) Science & Technology
Physical Sciences
Chemistry, Physical
Energy & Fuels
Materials Science, Multidisciplinary
Materials Science
Summary Here we show that ionic liquids (ILs), protic or aprotic in nature containing a phosphate anion, can be used as effective impregnating compounds resulting in a 50% improvement of the carbon yield of cellulose based carbon fibres and a 70 °C reduction in the onset of the depolymerization temperature. Using 13C NMR and FTIR spectra, we characterize the carbonized fibres with and without IL impregnates. The oxidative step in the formation of carbon fibres from cellulose precursors is very important in determining the final material properties, as such we examine this stage and show that the IL reduces the onset of the cellulose depolymerization temperature while improving the oxidative stability. This study highlights the ability of ILs to act as novel impregnates which can successfully reduce the formation of tar and volatile substances during carbonization of cellulose based carbon fibres resulting in an improved carbon yield and significant cost savings due to reduced maintenance and wear of equipment. This journal is
Language eng
DOI 10.1039/c4ta04059g
Field of Research 091205 Functional Materials
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Persistent URL http://hdl.handle.net/10536/DRO/DU:30069265

Document type: Journal Article
Collection: Institute for Frontier Materials
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