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Facile synthesis of polypyrrole/graphene nanosheet-based nanocomposites as catalyst support for fuel cells

Published online by Cambridge University Press:  28 January 2011

Burcu Saner
Affiliation:
Faculty of Engineering and Natural Sciences, Sabanci University Orhanli, Tuzla, Istanbul 34956, Turkey
Selmiye Alkan Gürsel
Affiliation:
Faculty of Engineering and Natural Sciences, Sabanci University Orhanli, Tuzla, Istanbul 34956, Turkey
Yuda Yürüm
Affiliation:
Faculty of Engineering and Natural Sciences, Sabanci University Orhanli, Tuzla, Istanbul 34956, Turkey
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Abstract

The integration of catalyst metals into the graphene-based composites can be a new way to ensure thermal and electronic conductivities of the catalyst support materials in polymer electrolyte membrane fuel cells. In this work, graphene nanosheets were synthesized via a mild and safer chemical route including three major steps: graphite oxidation, ultrasonic treatment and chemical reduction. Then, polypyrrole was coated on graphene nanosheets by in-situ polymerization to fabricate polypyrrole/graphene nanosheet-based nanocomposites as the catalyst supports. Pt nanoparticles were uniformly dispersed on the surface of nanocomposites by sonication technique.

Type
Research Article
Copyright
Copyright © Materials Research Society 2011

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Facile synthesis of polypyrrole/graphene nanosheet-based nanocomposites as catalyst support for fuel cells
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