Journal
CHEMICAL COMMUNICATIONS
Volume 52, Issue 75, Pages 11215-11218Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cc06165f
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Funding
- National Science Foundation (NSF) [DMR-1437263]
- Office of Naval Research (ONR) [N00014-15-1-2146]
- U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Science and Engineering [DE-SC0008055]
- Electron Imaging Center of Nanomachines at CNSI
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1623947] Funding Source: National Science Foundation
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Herein, we report a one-step synthesis method for octahedral Pt-Ni-Co ternary catalysts with tunable compositions and fixed shapes. Impressively, the composition optimized octahedral PtNi0.55Co0.1/C demonstrated a significant improvement in ORR activity compared to those of previously reported Pt-Ni-Co alloy octahedra, showing an outstanding specific activity of 5.05 mA cm(-2) and a mass activity of 2.80 mA mu g(Pt)(-1), which are around 20.2 times and 14.7 times higher than those of the commercial Pt/C catalyst (0.25 mA cm(-2) and 0.19 mA mu g(Pt)(-1)).
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