期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 6, 期 5, 页码 6117-6125出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.7b04784
关键词
Oxygen evolution; Electrocatalysis; Alkoxides; Microspheres
资金
- National Natural Science Foundation of China [21771147, 51572227]
- Sichuan Youth Science and Technology Foundation [2013JQ0012]
- Major Cultivating Foundation of Education Department of Sichuan Province [17CZ0036]
- CWNU [17YC007, 17YC017]
- Innovative Research Team of CWNU [CXTD2017-1]
Herein, we report a simple solvothermal process to synthesize a series of FexNi1-x-glycerolates (FeNiGly, x = 0, 0.25, 0.5, 0.75, and 1) and explore them as high-performance electrocatalysts for oxygen evolution reaction (OER) in alkaline media. These FeNiGly samples bear unique structures of hierarchical microspheres assembled by the interlaced ultrathin nanosheets or loosely aggregated nanoparticles, which ensure the electrocatalytic systems more efficient and accessible for the OER process. The FeNiGly exhibits an excellent OER activity with quite low overpotential of similar to 320 and similar to 380 mV to achieve the current density of 10 and 50 mA cm(-2) in 1.0 M KOH solutions, respectively. Moreover, the FeNiGly also presents a good durability in alkaline electrolytes. The superior OER performance would be associated with the unique structures and strong electronic interaction between Fe and Ni in the FeNiGly.
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