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Enhanced Electrocatalytic Activity of Cobalt-Doped Ceria Embedded on Nitrogen, Sulfur-Doped Reduced Graphene Oxide as an Electrocatalyst for Oxygen Reduction Reaction
| Content Provider | MDPI |
|---|---|
| Author | Sridharan, Manickam Maiyalagan, Thandavarayan Panomsuwan, Gasidit Techapiesancharoenkij, Ratchatee |
| Copyright Year | 2021 |
| Description | N, S-doped rGO was successfully synthesized and embedded Co-doped $CeO_{2}$ via hydrothermal synthesis. The crystal structure, surface morphology and elemental composition of the prepared catalyst were studied by XRD, Raman spectra, SEM, TEM and XPS analyses. The synthesized electrocatalyst exhibits high onset and halfwave potential during the ORR. This result shows that a combination of N- and S-doped rGO and Co-doped $CeO_{2}$ leads to a synergistic effect in catalyzing the ORR in alkaline media. $Co–CeO_{2}$/N, S–rGO displays enhanced ORR performance compared to bare $CeO_{2}$. The superior stability of the prepared catalyst implies its potential applications beyond fuel cells and metal–air batteries. |
| Starting Page | 6 |
| e-ISSN | 20734344 |
| DOI | 10.3390/catal12010006 |
| Journal | Catalysts |
| Issue Number | 1 |
| Volume Number | 12 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-12-22 |
| Access Restriction | Open |
| Subject Keyword | Catalysts Co–ceo2 N and S Doping Oxygen Vacancy Orr Fuel Cell |
| Content Type | Text |
| Resource Type | Article |
