期刊
CHEMICAL COMMUNICATIONS
卷 54, 期 12, 页码 1533-1536出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cc08423d
关键词
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资金
- National Natural Science Foundation of China [21775054, 21601064, 21575050]
- National Key Scientific Instrument and Equipment Development Project of China [21627809]
- Taishan Scholar Foundation of Shandong Province [ts20130937]
- Natural Science Foundation of Shandong Province [ZR2016JL013, ZR2016BQ10]
Energy conversion and storage systems such as water splitting metal-air batteries require high-performance and durable oxygen evolution reaction (OER) catalysts. Herein, we report the in situ development of self-standing Co3O4 nanorods array on Co foil (Co3O4 NA/CF) as a 1D OER catalyst electrode. Such Co3O4 NA/CF only needs overpotential of 308 mV to drive a geometrical catalytic current density of 15 mA cm(-2) in 1.0 M KOH with good long-term electrochemical durability. In addition, this catalyst achieves a high turnover frequency of 0.646 mol O-2 s(-1) at overpotential of 410 mV.
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