AI Article Synopsis
- * Research on CrOOH electrocatalysts for water oxidation has been limited due to their poor performance, but new Fe-doped CrOOH nanosheets on Ni foam (Fe-CrOOH/NF) show significant improvement in OER efficiency.
- * The study found that optimal performance occurs with specific levels of Fe doping, achieving low overpotentials of 259 mV for 20 mA in 1.0 M KOH, indicating promise for further development of Fe-doped OER electrocatalysts.
Article Abstract
The oxygen evolution reaction (OER) is a process in electrochemical water splitting with sluggish kinetics that needs efficient non-noble-metal electrocatalysts. There have been few studies of CrOOH electrocatalysts for water oxidation due to their low performance. Herein,synthesized Fe-doped CrOOH nanosheets on Ni foam (Fe-CrOOH/NF) were designed as electrocatalysts and performance in the OER was obviously improved. The effect of the amount of Fe doping was also investigated. Experiments revealed that the best performance of Fe-CrOOH/NF requires low overpotentials of 259 mV to reach 20 mA cmtogether with a turnover frequency of 0.245 sin 1.0 M KOH, which may suggest a new direction for the development of Fe-doped OER electrocatalysts.
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| http://dx.doi.org/10.1088/1361-6528/abf210 | DOI Listing |
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