Polymer solid acid composite membranes for fuel-cell applications

Dane A. Boysen; Calum R I Chisholm; Sossina M. Haile; Sekharipuram R. Narayanan

doi:10.1149/1.1393947

Polymer solid acid composite membranes for fuel-cell applications

Dane A. Boysen, Calum R I Chisholm, Sossina M. Haile, Sekharipuram R. Narayanan

Materials Science and Engineering

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

69 Scopus citations

Abstract

A systematic study of the conductivity of polyvinylidene fluoride (PVDF) and CsHSO₄ composites, containing 0 to 100% CsHSO₄, has been carried out. The polymer, with its good mechanical properties, served as a supporting matrix for the high proton conductivity inorganic phase. The conductivity of composites exhibited a sharp increase with temperature at 142°C, characteristic of the superprotonic phase transition of CsHSO₄. At high temperature (160°C), the dependence of conductivity on vol % CsHSO₄ was monotonic and revealed a percolation threshold of approx. 10 vol %. At low temperature (100°C), a maximum in the conductivity at approx. 80 vol % CsHSO₄ was observed. Results of preliminary fuel cell measurements are presented.

Original language	English (US)
Pages (from-to)	3610-3613
Number of pages	4
Journal	Journal of the Electrochemical Society
Volume	147
Issue number	10
DOIs	https://doi.org/10.1149/1.1393947
State	Published - Oct 2000

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Renewable Energy, Sustainability and the Environment
Condensed Matter Physics
Surfaces, Coatings and Films
Electrochemistry
Materials Chemistry

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title = "Polymer solid acid composite membranes for fuel-cell applications",

abstract = "A systematic study of the conductivity of polyvinylidene fluoride (PVDF) and CsHSO4 composites, containing 0 to 100% CsHSO4, has been carried out. The polymer, with its good mechanical properties, served as a supporting matrix for the high proton conductivity inorganic phase. The conductivity of composites exhibited a sharp increase with temperature at 142°C, characteristic of the superprotonic phase transition of CsHSO4. At high temperature (160°C), the dependence of conductivity on vol % CsHSO4 was monotonic and revealed a percolation threshold of approx. 10 vol %. At low temperature (100°C), a maximum in the conductivity at approx. 80 vol % CsHSO4 was observed. Results of preliminary fuel cell measurements are presented.",

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T1 - Polymer solid acid composite membranes for fuel-cell applications

AU - Boysen, Dane A.

AU - Chisholm, Calum R I

AU - Haile, Sossina M.

AU - Narayanan, Sekharipuram R.

PY - 2000/10

Y1 - 2000/10

N2 - A systematic study of the conductivity of polyvinylidene fluoride (PVDF) and CsHSO4 composites, containing 0 to 100% CsHSO4, has been carried out. The polymer, with its good mechanical properties, served as a supporting matrix for the high proton conductivity inorganic phase. The conductivity of composites exhibited a sharp increase with temperature at 142°C, characteristic of the superprotonic phase transition of CsHSO4. At high temperature (160°C), the dependence of conductivity on vol % CsHSO4 was monotonic and revealed a percolation threshold of approx. 10 vol %. At low temperature (100°C), a maximum in the conductivity at approx. 80 vol % CsHSO4 was observed. Results of preliminary fuel cell measurements are presented.

AB - A systematic study of the conductivity of polyvinylidene fluoride (PVDF) and CsHSO4 composites, containing 0 to 100% CsHSO4, has been carried out. The polymer, with its good mechanical properties, served as a supporting matrix for the high proton conductivity inorganic phase. The conductivity of composites exhibited a sharp increase with temperature at 142°C, characteristic of the superprotonic phase transition of CsHSO4. At high temperature (160°C), the dependence of conductivity on vol % CsHSO4 was monotonic and revealed a percolation threshold of approx. 10 vol %. At low temperature (100°C), a maximum in the conductivity at approx. 80 vol % CsHSO4 was observed. Results of preliminary fuel cell measurements are presented.

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Polymer solid acid composite membranes for fuel-cell applications

Abstract

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