Sodium Ion Conduction of Perfluorosulfonate Ionomer/ Poly(oxyethylene) Composite Films

Shinji Takeoka; Kohji Horiuchi; Shin Yamagata; Eishun Tsuchida

doi:10.1021/ma00008a043

Sodium Ion Conduction of Perfluorosulfonate Ionomer/ Poly(oxyethylene) Composite Films

Shinji Takeoka, Kohji Horiuchi, Shin Yamagata, Eishun Tsuchida^*

^*Corresponding author for this work

School of Advanced Science and Engineering

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

14 Citations (Scopus)

Abstract

A composite film of Na⁺-form Nafion and diendoacetylated poly(osyethylene) (M_w = 400) (POE₄₀₀e) was cast from a dimethylformamide solution at 120 °C. The ionic conductivity of this thin film was measured. The resulting film showed good flexibility, transparency, and no leakage of POE_400E up to the POE incorporation of 55 wt %. At this composition, sodium ionic conductivity was 1.0 ✕ 10^‒6 S cm^‒1, which is relatively high as a single-ion conductor because of the high dissociation of the sodium perfluorosulfonate groups. The ionic conductivity increases with POE incorporation. This can be explained from a decrease in the glass transition temperature (T_g) of POE regions and the connection of ion clusters swollen by POE.

Original language	English
Pages (from-to)	2003-2006
Number of pages	4
Journal	Macromolecules
Volume	24
Issue number	8
DOIs	https://doi.org/10.1021/ma00008a043
Publication status	Published - 1991 Apr 1

ASJC Scopus subject areas

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

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title = "Sodium Ion Conduction of Perfluorosulfonate Ionomer/ Poly(oxyethylene) Composite Films",

abstract = "A composite film of Na+-form Nafion and diendoacetylated poly(osyethylene) (Mw = 400) (POE400e) was cast from a dimethylformamide solution at 120 °C. The ionic conductivity of this thin film was measured. The resulting film showed good flexibility, transparency, and no leakage of POE400E up to the POE incorporation of 55 wt %. At this composition, sodium ionic conductivity was 1.0 ✕ 10‒6 S cm‒1, which is relatively high as a single-ion conductor because of the high dissociation of the sodium perfluorosulfonate groups. The ionic conductivity increases with POE incorporation. This can be explained from a decrease in the glass transition temperature (Tg) of POE regions and the connection of ion clusters swollen by POE.",

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T1 - Sodium Ion Conduction of Perfluorosulfonate Ionomer/ Poly(oxyethylene) Composite Films

AU - Takeoka, Shinji

AU - Horiuchi, Kohji

AU - Yamagata, Shin

AU - Tsuchida, Eishun

PY - 1991/4/1

Y1 - 1991/4/1

N2 - A composite film of Na+-form Nafion and diendoacetylated poly(osyethylene) (Mw = 400) (POE400e) was cast from a dimethylformamide solution at 120 °C. The ionic conductivity of this thin film was measured. The resulting film showed good flexibility, transparency, and no leakage of POE400E up to the POE incorporation of 55 wt %. At this composition, sodium ionic conductivity was 1.0 ✕ 10‒6 S cm‒1, which is relatively high as a single-ion conductor because of the high dissociation of the sodium perfluorosulfonate groups. The ionic conductivity increases with POE incorporation. This can be explained from a decrease in the glass transition temperature (Tg) of POE regions and the connection of ion clusters swollen by POE.

AB - A composite film of Na+-form Nafion and diendoacetylated poly(osyethylene) (Mw = 400) (POE400e) was cast from a dimethylformamide solution at 120 °C. The ionic conductivity of this thin film was measured. The resulting film showed good flexibility, transparency, and no leakage of POE400E up to the POE incorporation of 55 wt %. At this composition, sodium ionic conductivity was 1.0 ✕ 10‒6 S cm‒1, which is relatively high as a single-ion conductor because of the high dissociation of the sodium perfluorosulfonate groups. The ionic conductivity increases with POE incorporation. This can be explained from a decrease in the glass transition temperature (Tg) of POE regions and the connection of ion clusters swollen by POE.

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Sodium Ion Conduction of Perfluorosulfonate Ionomer/ Poly(oxyethylene) Composite Films

Abstract

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