Abstract
The sulfonated graphene nanosheet-supported platinum (s-Pt/GNS) catalyst synthesized via a simple thermal-treatment in the presence of concentrated sulfuric acid was reported in this study. Influence of sulfonation on its structural, surface, morphological and catalytic characteristics of as-prepared s-Pt/GNS was explored using X-ray diffractometer, Raman spectrometry, zeta potential analyzer, scanning and transmission electron microscopes, and cyclic voltammetry. For the oxygen reduction reaction, the current density generated from the s-Pt/GNS at 0.6 V was approximately 32.5 A g-1 Pt, which was about 193% higher than that of original Pt/GNS. © 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
| Original language | English |
|---|---|
| Pages (from-to) | 14205-14210 |
| Number of pages | 6 |
| Journal | International Journal of Hydrogen Energy |
| Volume | 37 |
| Issue number | 19 |
| DOIs | |
| Publication status | Published - 1 Oct 2012 |
| Externally published | Yes |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Graphene
- In situ chemical reaction
- Oxygen reduction reaction
- Platinum catalyst
- Sulfonation
- Thermal treatment
ASJC Scopus subject areas
- Renewable Energy, Sustainability and the Environment
- Fuel Technology
- Condensed Matter Physics
- Energy Engineering and Power Technology
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