期刊
ACS ENERGY LETTERS
卷 4, 期 4, 页码 952-959出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsenergylett.9b00333
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资金
- Zhejiang Provincial Natural Science Foundation of China [LR17B060003]
- Natural Science Foundation of China [21776248]
Designing nonprecious electrocatalysts with multiple active sites and prolonged durability in an integrated electrolyte toward water splitting is momentous for renewable energies being reserved in chemical fuels. Herein, we developed a method for synthesizing multimetallic hydroxide nanosheets by corroding nickel foam with chloride ions, which enabled the screening and discovery of various multimetallic hydroxide electrocatalysts toward oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). We discovered that Ni5Co3Mo-OH nanosheets exhibited electrocatalytic performances toward OER (eta(100) = 304 mV) and HER (eta(10 )= 52 mV). Moreover, Ni5Co3Mo-OH can be employed as active bifunctional catalysts toward overall water splitting with a low cell voltage of 1.43 Vat 10 mA.cm(-2) (1.60 Vat 100 mA.cm(-2)) and stable operation for 100 h (100 mA.cm(-2)). This work provides a method to develop multimetallic hydroxides for electrocatalysis and energy conversion.
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