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Synthesis of Sodium Poly[4-styrenesulfonyl(trifluoromethylsulfonyl)imide]-co-ethylacrylate] Solid Polymer Electrolytes

Li, Jiaye, Zhu, Haijin, Wang, Xiaoen, Armand, Michael, Macfarlane, Douglas R. and Forsyth, Maria 2015, Synthesis of Sodium Poly[4-styrenesulfonyl(trifluoromethylsulfonyl)imide]-co-ethylacrylate] Solid Polymer Electrolytes, Electrochimica acta, vol. 175, pp. 232-239, doi: 10.1016/j.electacta.2015.03.075.

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Title Synthesis of Sodium Poly[4-styrenesulfonyl(trifluoromethylsulfonyl)imide]-co-ethylacrylate] Solid Polymer Electrolytes
Author(s) Li, Jiaye
Zhu, HaijinORCID iD for Zhu, Haijin orcid.org/0000-0001-6352-7633
Wang, Xiaoen
Armand, Michael
Macfarlane, Douglas R.
Forsyth, MariaORCID iD for Forsyth, Maria orcid.org/0000-0002-4273-8105
Journal name Electrochimica acta
Volume number 175
Start page 232
End page 239
Total pages 8
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-09-01
ISSN 0013-4686
Keyword(s) Electrolyte
Polymer
Sodium Battery
Summary Sodium-based batteries are being considered to replace Li-based batteries for the fabrication of large-scale energy storage devices. One of the main obstacles is the lack of safe and conductive solid Na-ion electrolytes. A Na-ion polymer based on the (4-styrenesulfonyl(trifluromethylsulfonyl) imide anion, Na[STFSI], has been prepared by a radical polymerization process and its conductive properties determined. In addition, a number of multi-component polymers were synthetized by co-reaction of two monomers: Na[STFSI] and ethyl acrylate (EA) at different ratios. The structural and phase characterizations of the polymers were probed by various techniques (DSC, TGA, NMR, GPC, Raman, FTIR and Impedance spectroscopy). Comparative studies with blends of the homopolymers Na[PSTFSI] and poly(ethylacrylate) (PEA) have also been performed. The polymers are all thermally stable up to 300°C and the ionic conductivity of EA copolymers and EA blends are about 1-3 orders of magnitude higher than that of Na[PSTFSI]. The highest conductivity measured at 100°C was found for Na[PSTFSI-blend-5EA] at 7.9 × 10-9 S cm-1, despite being well below its Tg. Vibrational spectroscopy indicates interaction between Na+ and the EA carbonyl groups, with a concomitant decrease in the sulfonyl interaction, facilitating Na+ motion, as well as lowering Tg.
Notes Polymer Electrolytes Selection of papers from the 14th International Symposium (ISPE-14) 24-29 August 2014, Geelong, VIC, Australia
Language eng
DOI 10.1016/j.electacta.2015.03.075
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
Copyright notice ©2015, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30078732

Document type: Journal Article
Collection: Institute for Frontier Materials
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