Ion conduction mechanism in non-aqueous polymer electrolytes based on oxalic acid: Effect of plasticizer and polymer

Harinder Pal Singh Missan; P. P. Chu; S. S. Sekhon

doi:10.1016/j.jpowsour.2005.10.078

Ion conduction mechanism in non-aqueous polymer electrolytes based on oxalic acid: Effect of plasticizer and polymer

Harinder Pal Singh Missan, P. P. Chu, S. S. Sekhon

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

Non-aqueous proton-conducting polymer electrolytes in the film form are synthesized through the complexation of oxalic acid (OA) and polyvinylidenefluoride-co-hexafluoro propylene (PVdF-HFP). Interestingly, the addition of a small amount of the basic component dimethylacetamide (DMA) gives rise to a three-order increase in conductivity. The value is found to depend on the concentrations of the weak acid and DMA in the electrolytes. A maximum conductivity of 0.12 × 10^-3 S cm^-1 has been achieved at ambient temperature for electrolytes containing 40 wt.% OA with DMA. The observed increase in conductivity is considered to be due to interactions taking place between the high dielectric polymer media, the acid and the basic plasticizer. These interactions are confirmed from fourier transform infra red (FTIR) studies and supported by differential scanning calorimetry (DSC) measurements. Apart from providing acid-base interaction, the base DMA also improves the surface morphology and reduces the pore volume, both of which help to retain the acid-base complex within the membrane.

Original language	English
Pages (from-to)	1472-1479
Number of pages	8
Journal	Journal of Power Sources
Volume	158
Issue number	2 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.jpowsour.2005.10.078
State	Published - 25 Aug 2006

Keywords

Acid-base interaction
Ion aggregates
Ionic conductivity
Oxalic acid
Polymer electrolyte
Solid-state battery

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10.1016/j.jpowsour.2005.10.078

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title = "Ion conduction mechanism in non-aqueous polymer electrolytes based on oxalic acid: Effect of plasticizer and polymer",

abstract = "Non-aqueous proton-conducting polymer electrolytes in the film form are synthesized through the complexation of oxalic acid (OA) and polyvinylidenefluoride-co-hexafluoro propylene (PVdF-HFP). Interestingly, the addition of a small amount of the basic component dimethylacetamide (DMA) gives rise to a three-order increase in conductivity. The value is found to depend on the concentrations of the weak acid and DMA in the electrolytes. A maximum conductivity of 0.12 × 10-3 S cm-1 has been achieved at ambient temperature for electrolytes containing 40 wt.% OA with DMA. The observed increase in conductivity is considered to be due to interactions taking place between the high dielectric polymer media, the acid and the basic plasticizer. These interactions are confirmed from fourier transform infra red (FTIR) studies and supported by differential scanning calorimetry (DSC) measurements. Apart from providing acid-base interaction, the base DMA also improves the surface morphology and reduces the pore volume, both of which help to retain the acid-base complex within the membrane.",

keywords = "Acid-base interaction, Ion aggregates, Ionic conductivity, Oxalic acid, Polymer electrolyte, Solid-state battery",

author = "Missan, {Harinder Pal Singh} and Chu, {P. P.} and Sekhon, {S. S.}",

note = "Funding Information: The authors are grateful to Prof. S. Chandra (BHU) for his interest in the present work, to CSIR New Delhi for financial support in the form of research project No. 03(962)02/EMR II, and to RSIC, Punjab University Chandigarh for FTIR measurements. Financial support from the National Science Council (Taiwan) under contract No. NSC 94-2811-M-008-008 is also acknowledged.",

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T1 - Ion conduction mechanism in non-aqueous polymer electrolytes based on oxalic acid

T2 - Effect of plasticizer and polymer

AU - Missan, Harinder Pal Singh

AU - Chu, P. P.

AU - Sekhon, S. S.

N1 - Funding Information: The authors are grateful to Prof. S. Chandra (BHU) for his interest in the present work, to CSIR New Delhi for financial support in the form of research project No. 03(962)02/EMR II, and to RSIC, Punjab University Chandigarh for FTIR measurements. Financial support from the National Science Council (Taiwan) under contract No. NSC 94-2811-M-008-008 is also acknowledged.

PY - 2006/8/25

Y1 - 2006/8/25

N2 - Non-aqueous proton-conducting polymer electrolytes in the film form are synthesized through the complexation of oxalic acid (OA) and polyvinylidenefluoride-co-hexafluoro propylene (PVdF-HFP). Interestingly, the addition of a small amount of the basic component dimethylacetamide (DMA) gives rise to a three-order increase in conductivity. The value is found to depend on the concentrations of the weak acid and DMA in the electrolytes. A maximum conductivity of 0.12 × 10-3 S cm-1 has been achieved at ambient temperature for electrolytes containing 40 wt.% OA with DMA. The observed increase in conductivity is considered to be due to interactions taking place between the high dielectric polymer media, the acid and the basic plasticizer. These interactions are confirmed from fourier transform infra red (FTIR) studies and supported by differential scanning calorimetry (DSC) measurements. Apart from providing acid-base interaction, the base DMA also improves the surface morphology and reduces the pore volume, both of which help to retain the acid-base complex within the membrane.

AB - Non-aqueous proton-conducting polymer electrolytes in the film form are synthesized through the complexation of oxalic acid (OA) and polyvinylidenefluoride-co-hexafluoro propylene (PVdF-HFP). Interestingly, the addition of a small amount of the basic component dimethylacetamide (DMA) gives rise to a three-order increase in conductivity. The value is found to depend on the concentrations of the weak acid and DMA in the electrolytes. A maximum conductivity of 0.12 × 10-3 S cm-1 has been achieved at ambient temperature for electrolytes containing 40 wt.% OA with DMA. The observed increase in conductivity is considered to be due to interactions taking place between the high dielectric polymer media, the acid and the basic plasticizer. These interactions are confirmed from fourier transform infra red (FTIR) studies and supported by differential scanning calorimetry (DSC) measurements. Apart from providing acid-base interaction, the base DMA also improves the surface morphology and reduces the pore volume, both of which help to retain the acid-base complex within the membrane.

KW - Acid-base interaction

KW - Ion aggregates

KW - Ionic conductivity

KW - Oxalic acid

KW - Polymer electrolyte

KW - Solid-state battery

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SN - 0378-7753

VL - 158

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JO - Journal of Power Sources

JF - Journal of Power Sources

IS - 2 SPEC. ISS.

ER -

Ion conduction mechanism in non-aqueous polymer electrolytes based on oxalic acid: Effect of plasticizer and polymer

Abstract

Keywords

UN SDGs

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