Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 3, Issue 10, Pages 5402-5408Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta00158g
Keywords
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Funding
- Australian Research Council (ARC) through the ARC Discovery project [DP1093855]
- ARC Future Fellowship [FT110100800]
- ARC DECRA project [DE140100619]
- Ministry of Science and Technology [2012DFR40240]
- China Scholarship Council (CSC) [201306030039]
- Australian Research Council [DE140100619] Funding Source: Australian Research Council
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The design of highly efficient, robust and earth-abundant electrocatalysts for the oxygen evolution reaction (OER) is a prodigious challenge for the rapid growth of global energy demand. Herein, an active catalyst composed of porous graphene and cobalt oxide (PGE-CoO) has been synthesized, demonstrating high porosity, large specific surface area and fast charge transport kinetics. The catalyst also exhibits excellent electrochemical performance towards OER with a low onset potential and high catalytic current density. The enhanced catalytic activity could be ascribed to porous structure, high electroactive surface area and strong chemical coupling between graphene and CoO nanoparticles. Moreover, this OER catalyst also shows good stability in the alkaline solution. The high performance and strong durability suggest that the porous structured composite is favorable and promising for water splitting.
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