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2019 | OriginalPaper | Chapter

Enhanced Electrocatalytic Activity and Durability of PtRu Nanoparticles Decorated on rGO Material for Ethanol Oxidation Reaction

Authors : Esra Kuyuldar, Hakan Burhan, Aysun Şavk, Buse Güven, Ceren Özdemir, Sultan Şahin, Anish Khan, Fatih Şen

Published in: Graphene Functionalization Strategies

Publisher: Springer Singapore

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Abstract

Direct ethanol fuel cells (DEFCs) use ethanol as a fuel to obtain energy in a low temperature. This makes them one of the most important among fuel cells. However, in order to increase the efficiency of these fuel cells, highly effective catalysts should be developed. These catalysts may be of a wide variety of nanoparticles like platinum-based nanoparticles as a most efficient fuel cell catalyst. Generally, the nanoparticles related to the catalyst are obtained using functionalized carbon derivatives. The catalyst obtained in this study shows a higher electrocatalyst activity than the Pt and demonstrates excellent electrocatalytic performance for ethanol oxidation reaction. In this chapter, the reduced graphene oxide was used as a support and a composite material was obtained by synthesizing platinum–ruthenium nanoparticles (PtRu@rGO) with the help of chemical reduction method. The resultant PtRu@rGO nanoparticles were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), and Raman spectroscopy. The electrochemical activity of the catalyst was determined using chronoamperometry (CA) and cyclic voltammetry (CV) techniques for ethanol oxidation reaction. The results showed that the prepared nanocomposite has a high catalytic activity for alcohol oxidation reaction.

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Metadata
Title
Enhanced Electrocatalytic Activity and Durability of PtRu Nanoparticles Decorated on rGO Material for Ethanol Oxidation Reaction
Authors
Esra Kuyuldar
Hakan Burhan
Aysun Şavk
Buse Güven
Ceren Özdemir
Sultan Şahin
Anish Khan
Fatih Şen
Copyright Year
2019
Publisher
Springer Singapore
DOI
https://doi.org/10.1007/978-981-32-9057-0_16

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