Physiochemical characteristics of solid electrolyte membranes for high-temperature PEM fuel cell

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1 Citation (Scopus)

Abstract

Proton exchange membrane fuel cell (PEMFC) is one of the most promising clean energy conversion devices, whereas polybenzimidazole (PBI) polymer consider the potential electrolyte membrane for high temperature. In this study, solid polymer electrolyte membranes were studied the physiochemical occurrences such as proton conductivity, ion transfer number, oxidative stability, tensile strength, TGA, and FTIR analysis. The PBI copolymer-1 was shown the maximum proton conductivity (6.52 mS/cm) and ion transfer number (0.9723) compared with the PBI copolymer-2 and Nafion specimens. Based on AFM results, the PBI copolymer-1 had low surface roughness and remarkable grain number which favorable for ion conductivity. Despite that, it had excellent chemical stability in terms of Fenton solution and maximum weight loss measured at 4.5% after treated 200 h. The PBI copolymer-1 had high thermal and mechanical strengths that demonstrated in tensile test and TGA analysis. Moreover, acid doped solid electrolyte membranes were successfully demonstrated in single cell, which exhibited at 99.75 mW/cm2 power density that can be recommended as a proton exchange membrane for high-temperature PEMFC application.

Original languageEnglish
Pages (from-to)371-386
Number of pages16
JournalInternational Journal of Electrochemical Science
Volume14
Issue number1
DOIs
Publication statusPublished - 1 Jan 2019

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Solid electrolytes
Fuel cells
Copolymers
Membranes
Proton conductivity
Proton exchange membrane fuel cells (PEMFC)
Ions
Electrolytes
Polymers
Temperature
Chemical stability
Energy conversion
Strength of materials
Protons
Ion exchange
Tensile strength
Surface roughness
Acids

Keywords

  • Acid doping
  • Fenton test
  • Ion transfer number
  • Nyquist plot
  • Polybenzimidazole

ASJC Scopus subject areas

  • Electrochemistry

Cite this

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abstract = "Proton exchange membrane fuel cell (PEMFC) is one of the most promising clean energy conversion devices, whereas polybenzimidazole (PBI) polymer consider the potential electrolyte membrane for high temperature. In this study, solid polymer electrolyte membranes were studied the physiochemical occurrences such as proton conductivity, ion transfer number, oxidative stability, tensile strength, TGA, and FTIR analysis. The PBI copolymer-1 was shown the maximum proton conductivity (6.52 mS/cm) and ion transfer number (0.9723) compared with the PBI copolymer-2 and Nafion specimens. Based on AFM results, the PBI copolymer-1 had low surface roughness and remarkable grain number which favorable for ion conductivity. Despite that, it had excellent chemical stability in terms of Fenton solution and maximum weight loss measured at 4.5{\%} after treated 200 h. The PBI copolymer-1 had high thermal and mechanical strengths that demonstrated in tensile test and TGA analysis. Moreover, acid doped solid electrolyte membranes were successfully demonstrated in single cell, which exhibited at 99.75 mW/cm2 power density that can be recommended as a proton exchange membrane for high-temperature PEMFC application.",
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T1 - Physiochemical characteristics of solid electrolyte membranes for high-temperature PEM fuel cell

AU - Haque, M. A.

AU - Sulong, Abu Bakar

AU - Herianto, Edy

AU - Loh, Kee Shyuan

AU - Husaini, Teuku

AU - Rosli, R.

PY - 2019/1/1

Y1 - 2019/1/1

N2 - Proton exchange membrane fuel cell (PEMFC) is one of the most promising clean energy conversion devices, whereas polybenzimidazole (PBI) polymer consider the potential electrolyte membrane for high temperature. In this study, solid polymer electrolyte membranes were studied the physiochemical occurrences such as proton conductivity, ion transfer number, oxidative stability, tensile strength, TGA, and FTIR analysis. The PBI copolymer-1 was shown the maximum proton conductivity (6.52 mS/cm) and ion transfer number (0.9723) compared with the PBI copolymer-2 and Nafion specimens. Based on AFM results, the PBI copolymer-1 had low surface roughness and remarkable grain number which favorable for ion conductivity. Despite that, it had excellent chemical stability in terms of Fenton solution and maximum weight loss measured at 4.5% after treated 200 h. The PBI copolymer-1 had high thermal and mechanical strengths that demonstrated in tensile test and TGA analysis. Moreover, acid doped solid electrolyte membranes were successfully demonstrated in single cell, which exhibited at 99.75 mW/cm2 power density that can be recommended as a proton exchange membrane for high-temperature PEMFC application.

AB - Proton exchange membrane fuel cell (PEMFC) is one of the most promising clean energy conversion devices, whereas polybenzimidazole (PBI) polymer consider the potential electrolyte membrane for high temperature. In this study, solid polymer electrolyte membranes were studied the physiochemical occurrences such as proton conductivity, ion transfer number, oxidative stability, tensile strength, TGA, and FTIR analysis. The PBI copolymer-1 was shown the maximum proton conductivity (6.52 mS/cm) and ion transfer number (0.9723) compared with the PBI copolymer-2 and Nafion specimens. Based on AFM results, the PBI copolymer-1 had low surface roughness and remarkable grain number which favorable for ion conductivity. Despite that, it had excellent chemical stability in terms of Fenton solution and maximum weight loss measured at 4.5% after treated 200 h. The PBI copolymer-1 had high thermal and mechanical strengths that demonstrated in tensile test and TGA analysis. Moreover, acid doped solid electrolyte membranes were successfully demonstrated in single cell, which exhibited at 99.75 mW/cm2 power density that can be recommended as a proton exchange membrane for high-temperature PEMFC application.

KW - Acid doping

KW - Fenton test

KW - Ion transfer number

KW - Nyquist plot

KW - Polybenzimidazole

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