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Electrochemical codeposition of Pt/graphene catalyst for improved methanol oxidation

Title
Electrochemical codeposition of Pt/graphene catalyst for improved methanol oxidation
Authors
Woo, S[Woo, Seunghee]Lee, J[Lee, Jaeyoung]Park, SK[Park, Seung-Keun]Kim, H[Kim, Hasuck]Chung, TD[Chung, Taek Dong]Piao, YZ[Piao, Yuanzhe]
DGIST Authors
Kim, H[Kim, Hasuck]
Issue Date
2015-03
Citation
Current Applied Physics, 15(3), 219-225
Type
Article
Article Type
Article
Keywords
Carbon-Supported PtCatalysisCatalyst ActivityCatalytic OxidationCharge-Transfer RateCharge TransferElectrocatalystElectrocatalystsElectrocatalytic ActivityElectrochemical CodepositionElectrochemical ReductionsElectrodepositionElectrodeposition MethodsElectrolytic ReductionGalvanostaticsGlassy CarbonGrapheneMethanolMethanol OxidationOxidationPlatinumPulsed Galvanostatic Electrodeposition
ISSN
1567-1739
Abstract
Pt/graphene electrocatalyst was uniformly deposited on a glassy carbon substrate using a pulsed galvanostatic electrodeposition method, which facilitated the simultaneous electrochemical reduction of graphene oxide and formation of Pt nanoparticles. Compared to the commercial carbon-supported Pt electrocatalyst, the electrochemically reduced Pt/graphene (Pt/ERG) catalyst exhibited improved electrocatalytic activity for methanol oxidation due to the synergistic effects of an increase in the number of catalytic reaction sites and an enhancement of the charge transfer rate. © 2014 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/20.500.11750/2930
DOI
10.1016/j.cap.2014.12.022
Publisher
Elsevier B.V.
Files:
There are no files associated with this item.
Collection:
Energy Science and EngineeringETC1. Journal Articles


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