Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 25, Issue 67, Pages 15361-15366Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201903509
Keywords
electrocatalysis; morphology; oxygen evolution reaction; ternary compounds; transition metals
Categories
Funding
- National Special S&T Project on Water Pollution Control and Treatment [2017ZX07107002]
- Foundation of Tianjin Municipal Science and Technology Commission [18YFZCSF00500]
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Water splitting as a greatly desired technology to produce clean renewable energy, but is hampered by the sluggish oxygen evolution reaction. So, the development of highly active and durable water oxidation electrocatalysts is of primarily significance for energy conversion. Here, a facial strategy to synthesize FeCoNi nanohybrids with adjustable morphological structures by using fluorine is introduced. The morphology and electrocatalytic activity of the sample is determined by the innovative introduction of fluorine. Among them, the overpotential at 10 mA cm(-2) of the best sample is approximately 97 mV lower than the commercial RuO2 toward the oxygen evolution reaction in 1 m KOH. Additionally, the catalysts also have low Tafel slopes and remarkable stability.
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