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Influence of temperature on ionic liquid-based gel polymer electrolyte prepared by electrospun fibrous membrane

J. K. Kim ; J. H. Ahn ; Per Jacobsson (Institutionen för teknisk fysik, Kondenserade materiens fysik)
Electrochimica Acta (0013-4686). Vol. 116 (2014), p. 321-325.
[Artikel, refereegranskad vetenskaplig]

Ionic liquid gel polymer electrolytes (ILPEs) based on electrospun P(VdF-HFP) membrane were prepared by incorporating RTILs, BMImTESI or BMImBF(4). A suitable BMIm cation based ionic liquid with lithium salt and influence of temperature on electrochemical performance was investigated. The BMImTFSI-based polymer electrolyte with LiTFSI salt showed better electrochemical properties and the properties increase with increasing the operation temperature to 40 degrees C, to 140 mAh g(-1) discharge capacity at 1 C-rate. However, after 40 degrees C the properties remained the same even when the temperature was increased at high current density.

Nyckelord: Gel polymer electrolyte, Electrospun membrane, Ionic liquid electrolyte, Ion coordination, Electrochemical performance, LITHIUM BATTERIES, POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE), ELECTROCHEMICAL PROPERTIES, TRANSPORT-PROPERTIES, SOLID ELECTROLYTES, LIFEPO4 CATHODE, BIS(TRIFLUOROMETHANESULFONYL)IMIDE, CONDUCTIVITY, COMPOSITE, PAN



Denna post skapades 2014-03-21.
CPL Pubid: 195382

 

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Institutioner (Chalmers)

Institutionen för teknisk fysik, Kondenserade materiens fysik (1900-2015)

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Fysik

Chalmers infrastruktur