FTIR studies of PEMA/PVdF-HFP blend polymer electrolyte system incorporated with LiCF3SO3 salt

Sim, L.N.; Majid, S.R.; Arof, A. K.

doi:10.1016/j.vibspec.2011.11.005

Cited by 213 publications

(94 citation statements)

References 28 publications

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“…However, solid polymer electrolyte using different polymer hosts such as PEO, PVA, PMMA, PVDF possesses very low ionic conductivity which excludes it from practical applications. 5 As an alternative substitute to replace liquid electrolytes, there has been a great interest in gel polymer electrolytes (GPEs). The GPEs are important electrolyte candidates due to their ionic conductivity of the order of 10 À4 to 10 À3 S cm À1 .…”

Section: Introductionmentioning

confidence: 99%

Ionic conductivity and relaxation studies in PVDF-HFP:PMMA-based gel polymer blend electrolyte with LiClO₄salt

Gohel

Kanchan

2018

J. Adv. Dielect.

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Poly(vinylidene fluoride-hexafluropropylene) (PVDF-HFP) and poly(methyl methacrylate) (PMMA)-based gel polymer electrolytes (GPEs) comprising propylene carbonate and diethyl carbonate mixed plasticizer with variation of lithium perchlorate (LiClO 4 ) salt concentrations have been prepared using a solvent casting technique. Structural characterization has been carried out using XRD wherein diffraction pattern reveals the amorphous nature of sample up to 7.5 wt.% salt and complexation of polymers and salt have been studied by FTIR analysis. Surface morphology of the samples has been studied using scanning electron microscope. Electrochemical impedance spectroscopy in the temperature range 303-363 K has been carried out for electrical conductivity. The maximum room temperature conductivity of 2.83Â10 À4 S cm À1 has been observed for the GPE incorporating 7.5 wt.% LiClO 4 . The temperature dependence of ionic conductivity obeys the Arrhenius relation. The increase in ionic conductivity with change in temperatures and salt content is observed. Transport number measurement is carried out by Wagner's DC polarization method. Loss tangent (tan ) and imaginary part of modulus (M 00 ) corresponding to dielectric relaxation and conductivity relaxation respectively show faster relaxation process with increasing salt content up to optimum value of 7.5 wt.% LiClO 4 . The modulus (M 00 ) shows that the conductivity relaxation is of non-Debye type (broader than Debye peak).

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Section: Introductionmentioning

confidence: 99%

Ionic conductivity and relaxation studies in PVDF-HFP:PMMA-based gel polymer blend electrolyte with LiClO₄salt

Gohel

Kanchan

2018

J. Adv. Dielect.

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“…Recently, PVdF-HFP polymer electrolytes based on lithium salts have been extensively investigated owing to the advantageous inherent properties of PVdF-HFP copolymer such as good electrochemical stability, non-combustibility, high dielectric constant [9,[13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Ionic conductivity and transport properties of poly(vinylidene fluoride-co-hexafluoropropylene)-based solid polymer electrolytes

Abreha

Subrahmanyam²,

Kumar

2016

Chemical Physics Letters

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“…Besides its good mechanical stability and easy film fabrication, it is possible to obtain a gel polymer electrolyte from the copolymer that shows conductivity as high as 10 − 3 S cm −1 [5]. Many scientific reports dealing with gel electrolytes with PVdF-HFP polymer matrix have been published [6][7][8][9]. The GPE system based on PVdF-HFP and lithium bis(trifluoromethanesulfonimide) (LiN(CF 3 SO 2 ) 2 ) salt was studied by Kim et al [9].…”

Section: Introductionmentioning

confidence: 99%

Lithium ion conduction and ion–polymer interaction in PVdF-HFP based gel polymer electrolytes

et al. 2014

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FTIR studies of PEMA/PVdF-HFP blend polymer electrolyte system incorporated with LiCF3SO3 salt

Cited by 213 publications

References 28 publications

Ionic conductivity and relaxation studies in PVDF-HFP:PMMA-based gel polymer blend electrolyte with LiClO₄salt

Ionic conductivity and relaxation studies in PVDF-HFP:PMMA-based gel polymer blend electrolyte with LiClO₄salt

Ionic conductivity and transport properties of poly(vinylidene fluoride-co-hexafluoropropylene)-based solid polymer electrolytes

Lithium ion conduction and ion–polymer interaction in PVdF-HFP based gel polymer electrolytes

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FTIR studies of PEMA/PVdF-HFP blend polymer electrolyte system incorporated with LiCF3SO3 salt

Cited by 213 publications

References 28 publications

Ionic conductivity and relaxation studies in PVDF-HFP:PMMA-based gel polymer blend electrolyte with LiClO4salt

Ionic conductivity and relaxation studies in PVDF-HFP:PMMA-based gel polymer blend electrolyte with LiClO4salt

Ionic conductivity and transport properties of poly(vinylidene fluoride-co-hexafluoropropylene)-based solid polymer electrolytes

Lithium ion conduction and ion–polymer interaction in PVdF-HFP based gel polymer electrolytes

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Ionic conductivity and relaxation studies in PVDF-HFP:PMMA-based gel polymer blend electrolyte with LiClO₄salt

Ionic conductivity and relaxation studies in PVDF-HFP:PMMA-based gel polymer blend electrolyte with LiClO₄salt