Graphene based nafion (r) nanocomposite membranes for proton exchange membrane fuel cells
Adigoppula, Vinay Kumar
Khan, Waseem Sabir
Anwar, Md. Rajib
Argun, Avni A.
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Adigoppula, Vinay Kumar; Khan, Waseem Sabir; Anwar, Rajib; Argun, Avni A.; Asmatulu, Ramazan. 2012. Graphene based nafion (r) nanocomposite membranes for proton exchange membrane fuel cells. ASME 2011 International Mechanical Engineering Congress and Exposition, vol. 1:Paper No. IMECE2011-62751:pp. 325-330, Advances in Aerospace Technology; Energy Water Nexus; Globalization of Engineering; Posters Denver, Colorado, USA, November 11–17, 2011
Nanocomposite proton-exchange membranes are fabricated by loading graphene nanoflakes into perfluoro sulfonic acid polymer (Nafion) solutions at controlled amounts (1-4 wt%) followed by electrical and thermal characterization of the resulting membranes. Electronic and ionic conductivity values of the nanocomposites, as well as their dielectric and thermal properties improve at increased graphene loadings. Owing to graphene's exceptionally high surface area to volume ratio and excellent physical properties, these nanocomposite are promising candidates for proton-exchange membrane fuel cell applications.
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