NixCo3-xO4 nanowire arrays grown on carbon fiber cloth as efficient electrocatalysts for urea oxidation
NixCo3-xO4 nanowire arrays grown on carbon fiber cloth as efficient electrocatalysts for urea oxidation
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在碳纤维布上生长的 NixCo3-xO4 纳米线阵列作为尿素氧化的高效电催化剂
DOI：
10.1016/j.egypro.2017.12.528
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发表时间：
2017-12
期刊：
影响因子：
--
通讯作者：
Zucheng Wu
中科院分区：
文献类型：
--
作者：
Xu Yang;Wei Xu;Huimin Zhang;Zucheng Wu
Three-dimensional NixCo3-xO4nanowire arrays (NWAs) grown on carbon fiber cloth (CFC) are successfully fabricated by a simple hydrothermal method combined with a post annealing treatment, which are directly applied as binder-free electrodes for urea oxidation reaction (UOR). Remarkably, the Ni1.5Co1.5O4NWAs/CFC sample shows much higher catalytic activity, lower overpotential, better stability towards urea electro-oxidation compared to NiO synthesized by the similar procedure. The Ni1.5Co1.5O4electrode delivers a current density of 98.5 mA cm-2mg-1at 0.45 V (vs. Ag/AgCl) in 1 M KOH and 0.33 M urea electrolyte after 8-hour test. These nickel cobalt oxides electrodes with advanced architecture and desirable catalytic performance show great potential for the applications of urea electro-oxidation, including wastewater remediation, hydrogen production, sensors, and fuel cells.
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