期刊
CHEMISTRYSELECT
卷 4, 期 4, 页码 1131-1137出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/slct.201802614
关键词
Co3O4 composite; electrocatalyst; high-efficient; MOF; oxygen evolution reaction (OER)
资金
- National Natural Science Foundation of China [21501155]
- Foundation of State Key Laboratory of Structural Chemistry [20170001]
Oxygen evolution reaction (OER) has gained wide attentions due to its important role in hydrogen production. Being one of the half reactions, the water oxidation was proved to be the key step to restrain the overall of water splitting. Herein, Co3O4 composites were successfully obtained by directly annealing a MOF-derived Co complex under air condition. The Co3O4 complex with a surface area of 34.7 m(2)/g and wider pore size distribution obtained at 350 degrees C was found to be the most active OER catalyst in 1 M KOH, an overpotential of 420 mV@10 mA/cm(2) with a Tafel slope of 55 mV/dec was detected. This simple and inexpensive approach makes it become a new candidate for OER.
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