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首页> 外文期刊>ChemPlusChem >Camphoric carbon-grafted Ni/NiO nanowire electrodes for high-performance energy-storage systems
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Camphoric carbon-grafted Ni/NiO nanowire electrodes for high-performance energy-storage systems

机译：用于高性能储能系统的樟树碳膜状Ni / NiO纳米线电极

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摘要

The present study provides the first report on the preparation and utilization of camphoric carbon nanobeads grafted onto Ni/NiO nanowires for rechargeable electrodes for energy-storage applications. These functionally graded nanowires were electrophoretically deposited onto nickel foils and processed into high-surface-area electrodes. A detailed study has been performed to elucidate the effect of carbon content, different electrolytes, and their concentrations on these nanowires. BET surface area analysis revealed that these grafted nanowires could exhibit a high surface area of about 106a m2 g-1, compared with pristine nanowires, which exhibited a surface area of about 45a m2 g-1. From the analysis of relevant electrochemical parameters, an intrinsic correlation between the capacitance, internal resistance, and the surface morphology has been deduced. Relative contributions of capacitive and diffusion-controlled processes underlying these thin-film electrodes have been mathematically modeled. These thin-film electrodes exhibited specific mass capacitance values as high as (1950±80) and (1140±60)a F g-1, as determined from cyclic voltammetry and charge discharge curves, respectively; t
机译：本研究提供了关于接枝到Ni / NiO纳米线上的樟脑碳纳米帽的制备和利用的第一报告，用于可充电电极，用于储能应用。这些功能梯度纳米线被电泳沉积在镍箔上并加工成高表面区域电极。已经进行了详细的研究以阐明碳含量，不同电解质的影响及其对这些纳米线的浓度。 BET表面积分析显示，与原始纳米线相比，这些接枝纳米线可以表现出约106A平方米G-1的高表面积，其表现出约45am2g-1的表面积。从相关电化学参数的分析中，推导出电容，内阻和表面形态之间的内在相关性。在数学上建模了这些薄膜电极下面的电容和扩散控制过程的相对贡献。这些薄膜电极分别表现出高于（1950±80）和（1140±60）的特定质量电容值和（1140±60）F G-1，分别由循环伏安法和电荷排出曲线确定; T.

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  • 来源
    《ChemPlusChem》 |2013年第10期|共8页
  • 作者

    ParavannoorA.; NairA.S.; RanjushaR.; PraveenP.; SubramanianK.R.V.; SivakumarN.; NairS.V.; BalakrishnanA.;

  • 作者单位

    Nanosolar Division Amrita Centre for Nanosciences and Molecular Medicine Ponekkara Kochi India;

    Nanosolar Division Amrita Centre for Nanosciences and Molecular Medicine Ponekkara Kochi India;

    Nanosolar Division Amrita Centre for Nanosciences and Molecular Medicine Ponekkara Kochi India;

    Nanosolar Division Amrita Centre for Nanosciences and Molecular Medicine Ponekkara Kochi India;

    Nanosolar Division Amrita Centre for Nanosciences and Molecular Medicine Ponekkara Kochi India;

    Nanosolar Division Amrita Centre for Nanosciences and Molecular Medicine Ponekkara Kochi India;

    Nanosolar Division Amrita Centre for Nanosciences and Molecular Medicine Ponekkara Kochi India;

    Nanosolar Division Amrita Centre for Nanosciences and Molecular Medicine Ponekkara Kochi India;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

    carbon; electrochemistry; nanostructures; nickel; supercapacitors;

    机译：碳;电化学;纳米结构;镍;超级电容器;

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