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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Cobalt phosphide/carbon dots composite as an efficient electrocatalyst for oxygen evolution reaction
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Cobalt phosphide/carbon dots composite as an efficient electrocatalyst for oxygen evolution reaction

机译：磷化钴/碳点复合为氧气进化反应的有效电催化剂

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摘要

The oxygen evolution reaction (OER) is a promising energy conversion system, which has been studied a lot in recent years. However, owing to the high overpotential and sluggish kinetics of the OER, an efficient electrocatalyst is necessary to lower the overpotential and accelerate the reaction. In this paper, we report a cobalt phosphide (CoP)/carbon dots (CDs) composite as an electrocatalyst for the OER for the first time. A facile two-step method was used to synthesize the CoP/CDs composite and the concentration of CDs in the composite was further regulated. The experimental results show that when the amount of CDs in the composite is 6 mg (28.79 wt%C), the obtained CoP/CDs composite exhibits optimal electrocatalytic activity (with an overpotential of 400 mV in 1 M KOH at a current density of 10 mA cm(-2)) and high stability towards the OER. The good electrocatalytic activity of the composite is attributed to the small size of CoP and CDs and rapid electron transfer of CDs.
机译：氧气进化反应（Oer）是一个有前途的能量转换系统，近年来已经研究过很多。 然而，由于Oer的高度过电和缓慢的动力学，有效的电催化剂是降低过电位并加速反应所必需的。 在本文中，我们首次将磷化钴（COP）/碳点（CDS）复合为oer的电催化剂。 用于合成COP / CDS复合材料的容易两步方法，并进一步调节CDS中CD的浓度。 实验结果表明，当复合材料中的CD量为6mg（28.79wt％c）时，所获得的COP / CDS复合材料表现出最佳的电催化活性（在电流密度为10的1M KOH中的过电位为400mV MA CM（-2））和朝向伊尔的高稳定性。 复合材料的良好电催化活性归因于COP和CD的小尺寸和CD的快速电子转移。

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    Zhu Mengmeng; Zhou Yunjie; Sun Yue; Zhu Cheng; Hu Lulu; Gao Jin; Huang Hui; Liu Yang; Kang Zhenhui;

  • 作者单位

    Soochow Univ Inst Funct Nano &

    Soft Mat FUNSOM Jiangsu Key Lab Carbon Based Funct Mat &

    Devices Suzhou Peoples R China;

    Soochow Univ Inst Funct Nano &

    Soft Mat FUNSOM Jiangsu Key Lab Carbon Based Funct Mat &

    Devices Suzhou Peoples R China;

    Soochow Univ Inst Funct Nano &

    Soft Mat FUNSOM Jiangsu Key Lab Carbon Based Funct Mat &

    Devices Suzhou Peoples R China;

    Soochow Univ Inst Funct Nano &

    Soft Mat FUNSOM Jiangsu Key Lab Carbon Based Funct Mat &

    Devices Suzhou Peoples R China;

    Soochow Univ Inst Funct Nano &

    Soft Mat FUNSOM Jiangsu Key Lab Carbon Based Funct Mat &

    Devices Suzhou Peoples R China;

    Soochow Univ Inst Funct Nano &

    Soft Mat FUNSOM Jiangsu Key Lab Carbon Based Funct Mat &

    Devices Suzhou Peoples R China;

    Soochow Univ Inst Funct Nano &

    Soft Mat FUNSOM Jiangsu Key Lab Carbon Based Funct Mat &

    Devices Suzhou Peoples R China;

    Soochow Univ Inst Funct Nano &

    Soft Mat FUNSOM Jiangsu Key Lab Carbon Based Funct Mat &

    Devices Suzhou Peoples R China;

    Soochow Univ Inst Funct Nano &

    Soft Mat FUNSOM Jiangsu Key Lab Carbon Based Funct Mat &

    Devices Suzhou Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;无机化学;
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