Multiwalled carbon nanotubes (MWNTs) have been synthesized by the pyrolysis of acetylene using hydrogen decrepitated Mischmetal based alloy hydride catalyst. Structural, morphological, and vibrational characterizations have been carried out using X-ray powder diffraction, scanning electron microscopy, transmission electron microscopy, high resolution transmission electron microscopy (HRTEM), Raman spectroscopy, and Fourier transform infrared spectroscopy (FTIR) spectroscopy. Pt-supported MWNTs (Pt/MWNTs) have been prepared by chemical reduction method using functionalized MWNTs. Composites of Pt/MWNTs and Pt/C in different weight proportions have been used as electrocatalysts for oxygen reduction reaction in proton exchange membrane fuel cell (PEMFC) and the performance on the accessibility of Pt electrocatalysts for the oxygen reduction reaction in PEMFC has been systematically studied. The cyclic voltammetric studies of the electrodes have been performed in order to understand the factors influencing the elecetrocatalytic activity and fuel cell performance and the results have been discussed.
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April 2010
This article was originally published in
Journal of Fuel Cell Science and Technology
Research Papers
Performance of Proton Exchange Membrane Fuel Cells Using Pt/MWNT–Pt/C Composites as Electrocatalysts for Oxygen Reduction Reaction in Proton Exchange Membrane Fuel Cells
A. Leela Mohana Reddy,
A. Leela Mohana Reddy
Department of Physics, Alternative Energy Technology Laboratory,
Indian Institute of Technology Madras
, Chennai 600 036, India
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M. M. Shaijumon,
M. M. Shaijumon
Department of Physics, Alternative Energy Technology Laboratory,
Indian Institute of Technology Madras
, Chennai 600 036, India
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N. Rajalakshmi,
N. Rajalakshmi
Centre for Fuel Cell Technology
, 120 Manipakkam Main Road, Medavakkam, Chennai 601 302, India
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S. Ramaprabhu
S. Ramaprabhu
Department of Physics, Alternative Energy Technology Laboratory,
e-mail: ramp@iitm.ac.in
Indian Institute of Technology Madras
, Chennai 600 036, India
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A. Leela Mohana Reddy
Department of Physics, Alternative Energy Technology Laboratory,
Indian Institute of Technology Madras
, Chennai 600 036, India
M. M. Shaijumon
Department of Physics, Alternative Energy Technology Laboratory,
Indian Institute of Technology Madras
, Chennai 600 036, India
N. Rajalakshmi
Centre for Fuel Cell Technology
, 120 Manipakkam Main Road, Medavakkam, Chennai 601 302, India
S. Ramaprabhu
Department of Physics, Alternative Energy Technology Laboratory,
Indian Institute of Technology Madras
, Chennai 600 036, Indiae-mail: ramp@iitm.ac.in
J. Fuel Cell Sci. Technol. Apr 2010, 7(2): 021001 (7 pages)
Published Online: December 30, 2009
Article history
Received:
August 10, 2006
Revised:
April 5, 2007
Online:
December 30, 2009
Published:
December 30, 2009
Citation
Reddy, A. L. M., Shaijumon, M. M., Rajalakshmi, N., and Ramaprabhu, S. (December 30, 2009). "Performance of Proton Exchange Membrane Fuel Cells Using Pt/MWNT–Pt/C Composites as Electrocatalysts for Oxygen Reduction Reaction in Proton Exchange Membrane Fuel Cells." ASME. J. Fuel Cell Sci. Technol. April 2010; 7(2): 021001. https://doi.org/10.1115/1.3176215
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