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Journal of Solid State Electrochemistry

, Volume 22, Issue 9, pp 2757–2765 | Cite as

Electrochemical methanol reformation (ECMR) using low-cost sulfonated PVDF/ZrP membrane for hydrogen production

  • Manjula Narreddula
  • R. Balaji
  • K. Ramya
  • K. S. Dhathathreyan
  • N. Rajalakshmi
  • A. Ramachandraiah
Original Paper
  • 49 Downloads

Abstract

Polymer electrolyte membrane (PEM)-based electrochemical methanol reformation has gained interest as a practical way to produce hydrogen than water electrolysis due to its low operating voltages. Development of alternative PEM for this application is of considerable interest in order to reduce the cost as well as increase the system efficiency. Presently, a novel SPVDF/ZrP composite membrane was synthesized as proton exchange membrane for hydrogen production using electrochemical methanol reformation (ECMR). PVDF-co-HFP granules were defluorinated by alkali treatment followed by sulfonation using chlorosulfonic acid to prepare sulfonated polymer. Inorganic zirconium phosphate (ZrP) was further added to increase proton conductivity. The membranes were characterized for their physicochemical properties, mechanical strength, and thermal stability. The enhancement in proton exchange capacity and water uptake with adequate dimensional stability was observed with dehydrofluorination and impregnation of ZrP. A novel electrolyzer consisting of Pt-Ru/C as anode electrode, same format as anode as cathode electrode and the SPVDF/ZrP composite membrane was assembled and its performance was tested for hydrogen production. It was found that SPVDF/ZrP composite membrane showed good electrochemical cell performance of 0.65 V at 0.15 A cm−2 current density at ambient temperature and gives scope for operating ECMR cell at higher current densities for to increase the hydrogen production rate which is comparable to the performance of commercial Nafion® 117 membrane.

Keywords

Proton exchange membrane Sulfonated PVDF Zirconium phosphate Electrolysis Hydrogen generation 

Notes

Acknowledgements

The authors would like to thank The Director, ARCI, for his constant support and encouragement and the Department of Science and Technology, Government of India, for financial assistance. N. Manjula thanks ARCI for the ARCI fellowship under which this work was carried out.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Manjula Narreddula
    • 1
    • 2
  • R. Balaji
    • 1
  • K. Ramya
    • 1
  • K. S. Dhathathreyan
    • 1
  • N. Rajalakshmi
    • 1
  • A. Ramachandraiah
    • 2
  1. 1.Centre for Fuel Cell TechnologyInternational Advanced Research Centre for Powder Metallurgy and New Materials (ARCI), IIT M Research ParkChennaiIndia
  2. 2.Department of ChemistryNational Institute of TechnologyWarangalIndia

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