Electrochemical codeposition of Pt/graphene catalyst for improved methanol oxidation |
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| Affiliation: | 1. Department of Chemistry, Seoul National University, Seoul 151-747, Republic of Korea;2. School of Environmental Science and Engineering, Ertl Center for Electrochemistry and Catalysis, Gwangju Institute of Science and Technology, Gwangju 500-712, Republic of Korea;3. Graduate School of Convergence Science and Technology, Seoul National University, Seoul 151-742, Republic of Korea;4. Department of Energy Systems Engineering, Daegu Gyeongbuk Institute of Science and Technology, Daegu 711-874, Republic of Korea;5. Advanced Institutes of Convergence Technology, Suwon 443-270, Republic of Korea |
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| 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. |
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| Keywords: | Pulsed galvanostatic electrodeposition Platinum Graphene Electrocatalyst Methanol oxidation |
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