Electrospun PVDF-HFP/BR Rubber Composites for High Performance Solid State Electrolytes

Jun Hong Lin; Yan Fu Huang; Hao Wei Wu; Jia Hua Li; Yu Ting Zeng

doi:10.4028/www.scientific.net/MSF.909.163

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HomeMaterials Science ForumMaterials Science Forum Vol. 909Electrospun PVDF-HFP/BR Rubber Composites for High...

Electrospun PVDF-HFP/BR Rubber Composites for High Performance Solid State Electrolytes

Abstract:

PVDF-HFP nanofibers are reinforced by (0, 10, 16 and 30wt% ) of butadiene rubber (BR) and are crosslinked by the UV curing during the electrospinning process. These electrospun clothes are soaked with 70wt% uptake of EMI-Tf ionic liquid for solid state electrolytes applications. These electrolytes are investigated by a broadband dielectric spectroscopy over a wide temperature range from-40 to 80 OC. It is found that the temperature dependence of conductivity of all the samples not only follow the VFT relation but also follow the Debye-Stokes-Einstein relation implying the coupling between the ionic conduction and the segmental motion of the polymer matrix. Also, the results indicated that the addition of butadiene rubber did not significantly affect the conduction behavior of the electrolyte. Moreover, the conductivity of all the electrospun cloth electrolytes is much higher than that of the solution casting film.

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5th Asia Conference on Mechanical and Materials Engineering

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Periodical:

Materials Science Forum (Volume 909)

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163-168

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.909.163

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Online since:

November 2017

Authors:

Jun Hong Lin*, Yan Fu Huang, Hao Wei Wu, Jia Hua Li, Yu Ting Zeng

Keywords:

Conductivity, Electrolyte, Ionic Liquid

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