期刊
CHEMICAL COMMUNICATIONS
卷 54, 期 9, 页码 1077-1080出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cc08895g
关键词
-
资金
- National Nature Science Foundation of China [21575071, 21575137]
Exploitation of efficient and earth-abundant electrocatalysts for the oxygen evolution reaction (OER) is of great importance. Herein, we report that the formation of an amorphous Mn-Co-P shell on MnCo2O4 can boost its OER activity in alkaline media. The core-shell Mn-Co-P@MnCo2O4 nanowire array on Ti mesh (Mn-CoP@MnCo2O4/Ti) shows excellent electrochemical catalytic activity and requires an overpotential of 269 mV to drive 10 mA cm(-2) in 1.0 M KOH, which is 93 mV less than that for the MnCo2O4 nanoarray. Notably, this catalyst also shows strong long-term electrochemical durability with its activity being maintained for at least 100 h and achieves a high turnover frequency of 1.06 s(-1) at an overpotential of 450 mV.
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