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A novel polysulfone-based ternary nanocomposite membrane consisting of metal-organic framework and silica nanoparticles: As proton exchange membrane for polymer electrolyte fuel cells

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  • Ahmadian-Alam, Leila
  • Mahdavi, Hossein

Abstract

In this study, the preparation and characterization of a new ternary nanocomposite polymer electrolyte membrane containing sulfonated PSU, MOF and silica nanoparticles were investigated as a polymer electrolyte membrane. The encapsulation of imidazole in NH2MIL-53(Al) and sulfonic acid functionalization of silica have been developed to produce proton-conducting nanoparticles. In addition, photografting polymerization of AMPS from PSU and sulfonation of PSU backbone was designed to prepare PSU chains bearing sulfonic acid groups. The embedding of MOF/Si nanoparticles resulted in significant improvement of the mechanical and thermal properties of the prepared membranes. According to the result of proton conductivity, proton transport of the prepared nanocomposite membrane increases to 17 mS cm−1 by adding only 5% of sulfonic acid functionalized silica and imidazole-encapsulated MOF nanoparticles (at 70 °C). Also, this nanocomposite membrane showed a power density as high as 40.80 mW cm−2 at peak current density of 100.30 mA cm−2. The thermal and mechanical properties of these nanocomposite membranes were also studied.

Suggested Citation

  • Ahmadian-Alam, Leila & Mahdavi, Hossein, 2018. "A novel polysulfone-based ternary nanocomposite membrane consisting of metal-organic framework and silica nanoparticles: As proton exchange membrane for polymer electrolyte fuel cells," Renewable Energy, Elsevier, vol. 126(C), pages 630-639.
    • Handle: RePEc:eee:renene:v:126:y:2018:i:c:p:630-639
    DOI: 10.1016/j.renene.2018.03.075
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    Cited by:

    1. Xu, Jingmei & Zhang, Zhenguo & Yang, Kai & Zhang, Huixuan & Wang, Zhe, 2019. "Synthesis and properties of novel cross-linked composite sulfonated poly (aryl ether ketone sulfone) containing multiple sulfonic side chains for high-performance proton exchange membranes," Renewable Energy, Elsevier, vol. 138(C), pages 1104-1113.
    2. Xia, Qi & Zhao, Jianguo & Chen, Chen & Jin, Weiya, 2023. "Modeling of CO2/H2O Co-electrolysis using solar-driven SOEC coupled with ammonia-based chemical heat pump," Renewable Energy, Elsevier, vol. 212(C), pages 128-137.

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