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Critical Filler Concentration in Sulfated Titania-Added Nafion™ Membranes for Fuel Cell Applications

Author

Listed:
  • Mirko Sgambetterra

    (Chemistry Department, University of Roma La Sapienza, P.le Aldo Moro 5, 00185 Rome, Italy)

  • Sergio Brutti

    (Insitute for Complex Systems, National Research Council (ISC-CNR), via dei Taurini, 00185 Rome, Italy
    Science Department, University of Basilicata, v.le Ateneo Lucano 10, 85100 Potenza, Italy)

  • Valentina Allodi

    (Informatics Department, University of Verona, Strada le Grazie 15, 37134 Verona, Italy)

  • Gino Mariotto

    (Informatics Department, University of Verona, Strada le Grazie 15, 37134 Verona, Italy)

  • Stefania Panero

    (Chemistry Department, University of Roma La Sapienza, P.le Aldo Moro 5, 00185 Rome, Italy)

  • Maria Assunta Navarra

    (Chemistry Department, University of Roma La Sapienza, P.le Aldo Moro 5, 00185 Rome, Italy)

Abstract

In this communication we present a detailed study of Nafion™ composite membranes containing different amounts of nanosized sulfated titania particles, synthesized through an optimized one-step synthesis procedure. Functional membrane properties, such as ionic exchange capacity and water uptake (WU) ability will be described and discussed, together with thermal analysis, atomic force microscopy and Raman spectroscopy data. Also electrochemical properties such as proton conductivity and performances in hydrogen fuel cells will be presented. It has been demonstrated that a critical concentration of filler particles can boost the fuel cell performance at low humidification, exhibiting a significant improvement of the maximum power and current density delivered under 30% low-relative humidity ( RH ) and 70 °C with respect to bare Nafion™-based systems.

Suggested Citation

  • Mirko Sgambetterra & Sergio Brutti & Valentina Allodi & Gino Mariotto & Stefania Panero & Maria Assunta Navarra, 2016. "Critical Filler Concentration in Sulfated Titania-Added Nafion™ Membranes for Fuel Cell Applications," Energies, MDPI, vol. 9(4), pages 1-15, April.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:4:p:272-:d:67635
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    References listed on IDEAS

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    1. Kyungho Hwang & Jun-Hyun Kim & Sung-Yul Kim & Hongsik Byun, 2014. "Preparation of Polybenzimidazole-Based Membranes and Their Potential Applications in the Fuel Cell System," Energies, MDPI, vol. 7(3), pages 1-12, March.
    2. Abid Rabbani & Masoud Rokni, 2014. "Modeling and Analysis of Transport Processes and Efficiency of Combined SOFC and PEMFC Systems," Energies, MDPI, vol. 7(9), pages 1-21, August.
    3. Hohyoun Jang & Sabuj Chandra Sutradhar & Jiho Yoo & Jaeseong Ha & Jaeseung Pyo & Chaekyun Lee & Taewook Ryu & Whangi Kim, 2016. "Synthesis and Characterization of Sulfonated Poly(Phenylene) Containing a Non-Planar Structure and Dibenzoyl Groups," Energies, MDPI, vol. 9(2), pages 1-11, February.
    4. Hsiaokang Ma & Weiyang Cheng & Fuming Fang & Chinbing Hsu & Chengsheng Lin, 2014. "Compact Design of 10 kW Proton Exchange Membrane Fuel Cell Stack Systems with Microcontroller Units," Energies, MDPI, vol. 7(4), pages 1-17, April.
    5. Yang Xiao & Chongdu Cho, 2014. "Experimental Investigation and Discussion on the Mechanical Endurance Limit of Nafion Membrane Used in Proton Exchange Membrane Fuel Cell," Energies, MDPI, vol. 7(10), pages 1-11, October.
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    Cited by:

    1. Devin Fowler & Vladimir Gurau & Daniel Cox, 2019. "Bridging the Gap between Automated Manufacturing of Fuel Cell Components and Robotic Assembly of Fuel Cell Stacks," Energies, MDPI, vol. 12(19), pages 1-14, September.

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