Revealing High Oxygen Evolution Catalytic Activity of Fluorine-Doped Carbon in Alkaline Media

Oxygen evolution reactions (OER) are important reactions for energy conversion. Metal-free carbon-based catalysts potentially contribute to the catalytic materials for OER. However, it has been difficult to understand the intrinsic catalytic activity of carbon materials, due to catalyst decompositio...

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Published inMaterials Vol. 12; no. 2; p. 211
Main Authors Kim, Jeheon, Fukushima, Tomohiro, Zhou, Ruifeng, Murakoshi, Kei
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 10.01.2019
MDPI
Subjects
Aqueous solutions
Carbon
carbon materials
Catalysis
Catalytic activity
Chemical evolution
Electrochemical potential
Electrode polarization
Electrodes
Electrolytes
Evaluation
Fluorescence
Fluorine
kinetic product analysis
Kinetics
Mass spectrometry
Metal oxides
Methods
Noise levels
Oxidation
oxygen evolution reaction
Sensors
Shear flow
Japan
oxygen evolution reaction
kinetic product analysis
carbon materials
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Summary:Oxygen evolution reactions (OER) are important reactions for energy conversion. Metal-free carbon-based catalysts potentially contribute to the catalytic materials for OER. However, it has been difficult to understand the intrinsic catalytic activity of carbon materials, due to catalyst decomposition over the course of long-term reactions. Here, we report high oxygen evolution reaction catalytic activity of F-doped carbon in alkaline media. Intrinsic OER activity was evaluated from a combination of measurements using a rotating disk electrode and O₂ sensor. The F-doped carbon catalyst is a highly active catalyst, comparable to state-of-the-art precious-metal-based catalysts such as RuO₂.
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ISSN:1996-1944
1996-1944
DOI:10.3390/ma12020211