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A Nafion-Ceria Composite Membrane Electrolyte for Reduced Methanol Crossover in Direct Methanol Fuel Cells

Author

Listed:
  • Parthiban Velayutham

    (CSIR—Central Electrochemical Research Institute-Madras Unit, CSIR Madras Complex, Taramani, Chennai 600113, India
    Academy of Scientific and Innovative Research (AcSIR), CSIR—Central Electrochemical Research Institute, Karaikudi 630003, India)

  • Akhila K. Sahu

    (CSIR—Central Electrochemical Research Institute-Madras Unit, CSIR Madras Complex, Taramani, Chennai 600113, India
    Academy of Scientific and Innovative Research (AcSIR), CSIR—Central Electrochemical Research Institute, Karaikudi 630003, India)

  • Sridhar Parthasarathy

    (Mesha Energy Solutions Pvt. Ltd., Yeshwanthpur, Bengaluru 560022, India)

Abstract

An alternative Nafion composite membrane was prepared by incorporating various loadings of CeO 2 nanoparticles into the Nafion matrix and evaluated its potential application in direct methanol fuel cells (DMFCs). The effects of CeO 2 in the Nafion matrix were systematically studied in terms of surface morphology, thermal and mechanical stability, proton conductivity and methanol permeability. The composite membrane with optimum filler content (1 wt. % CeO 2 ) exhibits a proton conductivity of 176 mS·cm −1 at 70 °C, which is about 30% higher than that of the unmodified membrane. Moreover, all the composite membranes possess a much lower methanol crossover compared to pristine Nafion membrane. In a single cell DMFC test, MEA fabricated with the optimized composite membrane delivered a peak power density of 120 mW·cm −2 at 70 °C, which is about two times higher in comparison with the pristine Nafion membrane under identical operating conditions.

Suggested Citation

  • Parthiban Velayutham & Akhila K. Sahu & Sridhar Parthasarathy, 2017. "A Nafion-Ceria Composite Membrane Electrolyte for Reduced Methanol Crossover in Direct Methanol Fuel Cells," Energies, MDPI, vol. 10(2), pages 1-13, February.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:2:p:259-:d:91031
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    Cited by:

    1. Khadijeh Hooshyari & Bahman Amini Horri & Hamid Abdoli & Mohsen Fallah Vostakola & Parvaneh Kakavand & Parisa Salarizadeh, 2021. "A Review of Recent Developments and Advanced Applications of High-Temperature Polymer Electrolyte Membranes for PEM Fuel Cells," Energies, MDPI, vol. 14(17), pages 1-38, September.
    2. Ke, Yuzhi & Yuan, Wei & Zhou, Feikun & Guo, Wenwen & Li, Jinguang & Zhuang, Ziyi & Su, Xiaoqing & Lu, Biaowu & Zhao, Yonghao & Tang, Yong & Chen, Yu & Song, Jianli, 2021. "A critical review on surface-pattern engineering of nafion membrane for fuel cell applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 145(C).
    3. Zhou, Jing & Cao, Jiamu & Zhang, Yufeng & Liu, Junfeng & Chen, Junyu & Li, Mingxue & Wang, Weiqi & Liu, Xiaowei, 2021. "Overcoming undesired fuel crossover: Goals of methanol-resistant modification of polymer electrolyte membranes," Renewable and Sustainable Energy Reviews, Elsevier, vol. 138(C).

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