The additive effect of zwitterion and nano-particles on ion dissociation in polyelectrolytes

Byrne, N., Pringle, J. M., Tiyapiboonchaiya, C., MacFarlane, D. R. and Forsyth, M. 2005, The additive effect of zwitterion and nano-particles on ion dissociation in polyelectrolytes, Electrochimica acta, vol. 50, no. 13, pp. 2733-2738.

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Title The additive effect of zwitterion and nano-particles on ion dissociation in polyelectrolytes
Author(s) Byrne, N.
Pringle, J. M.
Tiyapiboonchaiya, C.
MacFarlane, D. R.
Forsyth, M.
Journal name Electrochimica acta
Volume number 50
Issue number 13
Start page 2733
End page 2738
Publisher Elsevier Science Pub. Co.
Place of publication New York, N.Y.
Publication date 2005-04-30
ISSN 0013-4686
1873-3859
Keyword(s) ion dissociation
polyelectrolyte
conductivity
diffusion
Zwitterion
TiO2
Summary To realise the battery potential of gel polyelectrolytes greater ion dissociation, ultimately leading to higher conductivities, must be achieved. Higher conductivities will result through increasing the ion-dissociating properties of the gel polyelectrolyte. The poor degree of ion dissociation arises as the active ion tends to remain in close proximity to the backbone charge. Nano-particle inorganic oxides, and zwitterionic compounds have been shown to act as dissociation enhancers in certain polyelectrolyte systems. In an attempt to further increase ion dissociation the addition of both TiO2 nano-particles and a zwitterionic compound based on 1-butylimidazolium-3-N-(butanesulphonate) were added to the gel polyelectrolyte system poly (Li-2-acrylamido-2-methyl-1-propane sulphonate-co-N,N′-dimethylacrylamide), poly(Li-AMPS-co-DMAA) to determine if a synergistic effect occurs. Two different solvents were used to determine the breadth of applicability of the additive effect. The use of both dissociators resulted in the maximum ionic conductivity being achieved at lower nano-particle concentrations when compared to an identical system without zwitterion.
Language eng
Field of Research 039999 Chemical Sciences not elsewhere classified
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2004, Elsevier Ltd.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30030083

Document type: Journal Article
Collection: Institute for Technology Research and Innovation
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