Highlights<'/> One-step facile hydrothermal synthesis of Fe_2O_3@LiCoO_2 composite as excellent supercapacitor electrode materials
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首页> 外文期刊>Applied Surface Science >One-step facile hydrothermal synthesis of Fe_2O_3@LiCoO_2 composite as excellent supercapacitor electrode materials
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One-step facile hydrothermal synthesis of Fe_2O_3@LiCoO_2 composite as excellent supercapacitor electrode materials

机译：一步法水热合成Fe_2O_3 @ LiCoO_2复合材料作为优良的超级电容器电极材料

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Highlights•Fe2O3@LiCoO2composites successfully fabricated by facile hydrothermal route.•Fe2O3@LiCoO2shows unique surface morphology with large surface area and superior conductivity.•Fe2O3@LiCoO2electrode exhibit excellent supercapacitor performances.•Fe2O3@LiCoO2electrode shows superior cycling stability with retention of 108%.AbstractHerein, for the first time, we demonstrate the fabrication of Fe2O3@LiCoO2hybrid nanostructures on Ni foam substrate by facile one-step hydrothermal technique. Morphological studies reveal that aggregated Fe2O3nanoflakes anchored on the surface of sphere-like LiCoO2nanoflakes. Electrochemical studies are used to examine the performance of the supercapacitor electrodes. The composite Fe2O3@LiCoO2electrode exhibited excellent electrochemical performance than Fe2O3and LiCoO2electrodes, such as a low charge transfer resistance, a high specific capacitance of 489 F g−1at 5 mA cm−2and an enhanced capacity retention of 108% over 3000 cycles at 15 mA cm−2. The composite Fe2O3@LiCoO2holds great promise for electrochemical applications due to well-defined hierarchical morphology, synergetic effect of Fe2O3and LiCoO2, enhanced electrical conductivity, efficient electrolyte penetration and fast electron transfer.
机译： 突出显示 • Fe 2 O 3 @LiCoO 2 通过简便的热液路线成功地制成了复合材料。 • Fe 2 O 3 @LiCoO 2 显示独特的表面形态，具有较大的表面积和优异的导电性。< / ce：para> • Fe 2 O 3 @LiCoO 2 电极表现出优异的超级电容器性能。 • Fe 2 O 3 @LiCoO 2 电极显示出优异的循环性能稳定性，保留率为108％。 < ce：abstract xmlns：ce =“ http://www.elsevier.com/xml/common/dtd” xmlns =“ http://www.elsevier.com/xml/ja/dtd” id =“ abs0010” view = “ all” class =“ author”> 摘要 此处，我们首次展示了Fe 2 O 3 @LiCoO 2 混合纳米结构。形态学研究表明，聚集的Fe 2 O 3 纳米片锚定在球形表面上LiCoO 2 nanoflakes。电化学研究用于检查超级电容器电极的性能。复合Fe 2 O 3 @LiCoO 2 电极比Fe 2 O 3 和LiCoO 2 电极，例如低电荷转移电阻，489 specificF g -1的高比电容ce：sup>在5µmA cm − 2 ，在15µmA cm −2 。复合Fe 2 O 3 @LiCoO 2 由于定义明确的分层形态，Fe 2 O 3 和LiCoO 2 ，可增强电导率，有效的电解质渗透和快速的电子转移。

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