Journal
CHEMISTRYSELECT
Volume 2, Issue 30, Pages 9878-9881Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/slct.201701892
Keywords
CoFe2O4 octahedron; CV; Graphene; ORR; LSV
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Funding
- Youth Innovation Promotion Association of CAS
- Shanxi Scholarship Council of China [2016141]
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Efficient catalysts are required to promote oxygen reduction reaction (ORR) in order to implant ORR-involved clean energy technologies such as fuel cells and metal-air batteries. In this study, (111) facet-exposed CoFe2O4 nano-octahedrons crystals (NOCs) were grown on graphene via facile hydrothermal method and investigated as catalyst for ORR. The as-made CoFe2O4 NOCs-graphene composite exhibits very high activity towards ORR, meanwhile, excellent durability and very good tolerance to methanol were observed, which verifies the importance of exposing active facets of non-precious metal-based catalysts and also demonstrates its high potentials of replacing precious Pt for practical applications.
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