Skip to content
Back to outputs

A study of structural, electrical and electrochemical properties of PVdF-HFP gel polymer electrolyte films for magnesium ion battery applications

Research output: Contribution to journalArticle

Standard

A study of structural, electrical and electrochemical properties of PVdF-HFP gel polymer electrolyte films for magnesium ion battery applications. / Tang, Xin ; Muchakayala, Ravi; Song, Shenhua; Zhang, Zhong; Polu, Anji Reddy .

In: Journal of Industrial and Engineering Chemistry, 07.03.2016.

Research output: Contribution to journalArticle

Harvard

APA

Vancouver

Author

Tang, Xin ; Muchakayala, Ravi ; Song, Shenhua ; Zhang, Zhong ; Polu, Anji Reddy . / A study of structural, electrical and electrochemical properties of PVdF-HFP gel polymer electrolyte films for magnesium ion battery applications. In: Journal of Industrial and Engineering Chemistry. 2016.

Bibtex

@article{384c138890794705bbc8eeac6eddeecd,
title = "A study of structural, electrical and electrochemical properties of PVdF-HFP gel polymer electrolyte films for magnesium ion battery applications",
abstract = "New magnesium ion conducting polymer electrolyte films are developedand their experimental investigations are reported. The polymer electrolyte films arecomposed of various poly(vinylidene fluoride-co hexafluoropropylene):magnesium trifluoromethanesulfonate compositions (PVdF-HFP:Mg(Tf)2 in weight ratio) with different quantities of 1-ethyl-3-methylimidazolium trifluoromethanesulfonate ionic liquid (EMITf). X-ray diffraction reveals that the pristine PVdF-HFP polymer film possesses a semi-crystalline structure and its amorphicity increases with increasing Mg(Tf)2 and EMITf concentrations. From thermal analysis, the melting temperature (Tm), relative crystallinity (χc) and thermal stability of the 90PVdF-HFP:10Mg(Tf)2 gel polymer electrolyte film doped with 40 wt.% EMITf are obtained as 112°C, 21.8% and 355°C, respectively. The room-temperature ionic conductivity of the gel polymer electrolyte film increases with increasing EMITf concentration and reaches a high value of approximately 4.63×10-3 S cm-1 at 40 wt.% EMITf due to its amorphicity increase and interconnected pore structure. For the 40 wt.% EMITf electrolyte film, the temperature dependence of ionic conductivity follows the Arrhenius relation with an activation energy of 0.35 eV. The electrochemical stability window of the 40 wt.% EMITf electrolyte film is determined as ~4.8 V. The findings from this study are promising and have great potential for practical ionic device applications, particularly in rechargeable magnesium ion batteries.",
keywords = "Polymer electrolytes, Electrical properties, Ionic conductivity, Electrochemical properties, Magnesium ion batteries",
author = "Xin Tang and Ravi Muchakayala and Shenhua Song and Zhong Zhang and Polu, {Anji Reddy}",
year = "2016",
month = mar,
day = "7",
doi = "10.1016/j.jiec.2016.03.001",
language = "English",
journal = "Journal of Industrial and Engineering Chemistry",
issn = "1226-086X",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - A study of structural, electrical and electrochemical properties of PVdF-HFP gel polymer electrolyte films for magnesium ion battery applications

AU - Tang, Xin

AU - Muchakayala, Ravi

AU - Song, Shenhua

AU - Zhang, Zhong

AU - Polu, Anji Reddy

PY - 2016/3/7

Y1 - 2016/3/7

N2 - New magnesium ion conducting polymer electrolyte films are developedand their experimental investigations are reported. The polymer electrolyte films arecomposed of various poly(vinylidene fluoride-co hexafluoropropylene):magnesium trifluoromethanesulfonate compositions (PVdF-HFP:Mg(Tf)2 in weight ratio) with different quantities of 1-ethyl-3-methylimidazolium trifluoromethanesulfonate ionic liquid (EMITf). X-ray diffraction reveals that the pristine PVdF-HFP polymer film possesses a semi-crystalline structure and its amorphicity increases with increasing Mg(Tf)2 and EMITf concentrations. From thermal analysis, the melting temperature (Tm), relative crystallinity (χc) and thermal stability of the 90PVdF-HFP:10Mg(Tf)2 gel polymer electrolyte film doped with 40 wt.% EMITf are obtained as 112°C, 21.8% and 355°C, respectively. The room-temperature ionic conductivity of the gel polymer electrolyte film increases with increasing EMITf concentration and reaches a high value of approximately 4.63×10-3 S cm-1 at 40 wt.% EMITf due to its amorphicity increase and interconnected pore structure. For the 40 wt.% EMITf electrolyte film, the temperature dependence of ionic conductivity follows the Arrhenius relation with an activation energy of 0.35 eV. The electrochemical stability window of the 40 wt.% EMITf electrolyte film is determined as ~4.8 V. The findings from this study are promising and have great potential for practical ionic device applications, particularly in rechargeable magnesium ion batteries.

AB - New magnesium ion conducting polymer electrolyte films are developedand their experimental investigations are reported. The polymer electrolyte films arecomposed of various poly(vinylidene fluoride-co hexafluoropropylene):magnesium trifluoromethanesulfonate compositions (PVdF-HFP:Mg(Tf)2 in weight ratio) with different quantities of 1-ethyl-3-methylimidazolium trifluoromethanesulfonate ionic liquid (EMITf). X-ray diffraction reveals that the pristine PVdF-HFP polymer film possesses a semi-crystalline structure and its amorphicity increases with increasing Mg(Tf)2 and EMITf concentrations. From thermal analysis, the melting temperature (Tm), relative crystallinity (χc) and thermal stability of the 90PVdF-HFP:10Mg(Tf)2 gel polymer electrolyte film doped with 40 wt.% EMITf are obtained as 112°C, 21.8% and 355°C, respectively. The room-temperature ionic conductivity of the gel polymer electrolyte film increases with increasing EMITf concentration and reaches a high value of approximately 4.63×10-3 S cm-1 at 40 wt.% EMITf due to its amorphicity increase and interconnected pore structure. For the 40 wt.% EMITf electrolyte film, the temperature dependence of ionic conductivity follows the Arrhenius relation with an activation energy of 0.35 eV. The electrochemical stability window of the 40 wt.% EMITf electrolyte film is determined as ~4.8 V. The findings from this study are promising and have great potential for practical ionic device applications, particularly in rechargeable magnesium ion batteries.

KW - Polymer electrolytes

KW - Electrical properties

KW - Ionic conductivity

KW - Electrochemical properties

KW - Magnesium ion batteries

U2 - 10.1016/j.jiec.2016.03.001

DO - 10.1016/j.jiec.2016.03.001

M3 - Article

JO - Journal of Industrial and Engineering Chemistry

JF - Journal of Industrial and Engineering Chemistry

SN - 1226-086X

ER -

ID: 3588218