A phosphate additive for poly(ethylene oxide)-based gel polymer electrolytes

Robert V. Morford; Daniel T. Welna; Clay E. Kellam; Michael A. Hofmann; Harry R. Allcock

doi:10.1016/j.ssi.2006.01.014

A phosphate additive for poly(ethylene oxide)-based gel polymer electrolytes

Robert V. Morford, Daniel T. Welna, Clay E. Kellam, Michael A. Hofmann, Harry R. Allcock

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

21 Scopus citations

Abstract

The influence of an organophosphosphate additive on poly(ethylene oxide) lithium bis(trifluoromethylsulfonyl)imide-based gel polymer electrolytes for secondary lithium battery applications is described. Tris(2-(2-methoxyethoxy) ethyl)phosphate, is compared to the well known gel-battery component, propylene carbonate, through a study of complex impedance analysis, differential scanning calorimetry, and limiting oxygen index combustion analysis. The conductivities of the gels at low concentrations of tris(2-(2-methoxyethoxy)ethyl)phosphate (1.9-4.2 mol%) are higher to those of propylene carbonate-based systems with the same concentration. Despite micro-phase separation at high concentrations of tris(2-(2-methoxyethoxy)ethyl)phosphate (7.0-14.9 mol%), the conductivities remain comparable to systems that use propylene carbonate. The addition of tris(2-(2-methoxyethoxy)ethyl)phosphate to poly(ethylene oxide) gives increased fire retardance, while the addition of propylene carbonate to poly(ethylene oxide) results in increased flammability.

Original language	English (US)
Pages (from-to)	721-726
Number of pages	6
Journal	Solid State Ionics
Volume	177
Issue number	7-8
DOIs	https://doi.org/10.1016/j.ssi.2006.01.014
State	Published - Mar 15 2006

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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title = "A phosphate additive for poly(ethylene oxide)-based gel polymer electrolytes",

abstract = "The influence of an organophosphosphate additive on poly(ethylene oxide) lithium bis(trifluoromethylsulfonyl)imide-based gel polymer electrolytes for secondary lithium battery applications is described. Tris(2-(2-methoxyethoxy) ethyl)phosphate, is compared to the well known gel-battery component, propylene carbonate, through a study of complex impedance analysis, differential scanning calorimetry, and limiting oxygen index combustion analysis. The conductivities of the gels at low concentrations of tris(2-(2-methoxyethoxy)ethyl)phosphate (1.9-4.2 mol%) are higher to those of propylene carbonate-based systems with the same concentration. Despite micro-phase separation at high concentrations of tris(2-(2-methoxyethoxy)ethyl)phosphate (7.0-14.9 mol%), the conductivities remain comparable to systems that use propylene carbonate. The addition of tris(2-(2-methoxyethoxy)ethyl)phosphate to poly(ethylene oxide) gives increased fire retardance, while the addition of propylene carbonate to poly(ethylene oxide) results in increased flammability.",

author = "Morford, {Robert V.} and Welna, {Daniel T.} and Kellam, {Clay E.} and Hofmann, {Michael A.} and Allcock, {Harry R.}",

note = "Funding Information: We thank the Pennsylvania State University for partial support of this research.",

year = "2006",

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doi = "10.1016/j.ssi.2006.01.014",

language = "English (US)",

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T1 - A phosphate additive for poly(ethylene oxide)-based gel polymer electrolytes

AU - Morford, Robert V.

AU - Welna, Daniel T.

AU - Kellam, Clay E.

AU - Hofmann, Michael A.

AU - Allcock, Harry R.

N1 - Funding Information: We thank the Pennsylvania State University for partial support of this research.

PY - 2006/3/15

Y1 - 2006/3/15

N2 - The influence of an organophosphosphate additive on poly(ethylene oxide) lithium bis(trifluoromethylsulfonyl)imide-based gel polymer electrolytes for secondary lithium battery applications is described. Tris(2-(2-methoxyethoxy) ethyl)phosphate, is compared to the well known gel-battery component, propylene carbonate, through a study of complex impedance analysis, differential scanning calorimetry, and limiting oxygen index combustion analysis. The conductivities of the gels at low concentrations of tris(2-(2-methoxyethoxy)ethyl)phosphate (1.9-4.2 mol%) are higher to those of propylene carbonate-based systems with the same concentration. Despite micro-phase separation at high concentrations of tris(2-(2-methoxyethoxy)ethyl)phosphate (7.0-14.9 mol%), the conductivities remain comparable to systems that use propylene carbonate. The addition of tris(2-(2-methoxyethoxy)ethyl)phosphate to poly(ethylene oxide) gives increased fire retardance, while the addition of propylene carbonate to poly(ethylene oxide) results in increased flammability.

AB - The influence of an organophosphosphate additive on poly(ethylene oxide) lithium bis(trifluoromethylsulfonyl)imide-based gel polymer electrolytes for secondary lithium battery applications is described. Tris(2-(2-methoxyethoxy) ethyl)phosphate, is compared to the well known gel-battery component, propylene carbonate, through a study of complex impedance analysis, differential scanning calorimetry, and limiting oxygen index combustion analysis. The conductivities of the gels at low concentrations of tris(2-(2-methoxyethoxy)ethyl)phosphate (1.9-4.2 mol%) are higher to those of propylene carbonate-based systems with the same concentration. Despite micro-phase separation at high concentrations of tris(2-(2-methoxyethoxy)ethyl)phosphate (7.0-14.9 mol%), the conductivities remain comparable to systems that use propylene carbonate. The addition of tris(2-(2-methoxyethoxy)ethyl)phosphate to poly(ethylene oxide) gives increased fire retardance, while the addition of propylene carbonate to poly(ethylene oxide) results in increased flammability.

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DO - 10.1016/j.ssi.2006.01.014

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SN - 0167-2738

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ER -

A phosphate additive for poly(ethylene oxide)-based gel polymer electrolytes

Abstract

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