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Construction of hierarchical Prussian Blue Analogue phosphide anchored on Ni_2P@MoO_x nanosheet spheres for efficient overall water splitting

机译:锚定锚定的分层普鲁士蓝色模拟磷化物,用于高效整体水分裂的球体

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摘要

In response to the energy crisis, molybdenum-based catalyst has been proposed as a high-performance electrocatalytic material due to its low price and excellent HER performance. However, in contrast with its excellent HER performance, its poor OER performance often limits practical application as a high-performance overall water splitting catalyst. In this study, Prussian blue analogue (PBA) is grown in-situ on molybdenum-based nanosheet spheres by a simple and ingenious method and then subjected to phosphorization. The resulting composite catalyst exhibits highly efficient overall water splitting performance, overpotentials at current densities of 10 mA cm(-2) and 100 mA cm(-2) for the HER and OER are -61 mV and 268 mV, respectively. Moreover, an alkaline electrolyzer makes up by the catalyst both as positive and negative can reach a cell voltage 1.494 V at 10 mA cm(-2) for the overall water splitting. This method has provided a new strategy to effective combine PBA and molybdenum-based catalyst. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
机译:响应于能源危机,由于其低价格和优异的性能,已经提出了钼的催化剂作为高性能电催化材料。然而,与其出色的性能相比,其贫困的Oer性能通常将实际应用限制为高性能的整体水分裂催化剂。在这项研究中,普鲁士蓝色类似物(PBA)通过简单且巧妙的方法在基于钼的纳米片球上的原位生长,然后进行磷光化。所得复合催化剂具有高效的整体水分裂性能,其电流密度为10 mA cm(-2)和100 mA cm(-2)的过电位分别为-61mV和268mV。此外,由催化剂组成的碱性电解器作为正极和负数可以在10mA cm(-2)下达到电池电压1.494V,用于整个水分裂。该方法提供了一种有效结合PBA和基于钼的催化剂的新策略。 (c)2020氢能源出版物LLC。 elsevier有限公司出版。保留所有权利。

著录项

  • 来源
    《International journal of hydrogen energy》 |2020年第24期|13353-13364|共12页
  • 作者单位

    Jiangxi Univ Sci & Technol Fac Mat Met & Chem Ganzhou 341000 Peoples R China|Engn Res Ctr Hydrogen Energy Mat & Devices Ganzhou 341000 Peoples R China;

    Jiangxi Univ Sci & Technol Fac Mat Met & Chem Ganzhou 341000 Peoples R China|Engn Res Ctr Hydrogen Energy Mat & Devices Ganzhou 341000 Peoples R China;

    Jiangxi Univ Sci & Technol Fac Mat Met & Chem Ganzhou 341000 Peoples R China|Engn Res Ctr Hydrogen Energy Mat & Devices Ganzhou 341000 Peoples R China;

    Jiangxi Univ Sci & Technol Fac Mat Met & Chem Ganzhou 341000 Peoples R China|Engn Res Ctr Hydrogen Energy Mat & Devices Ganzhou 341000 Peoples R China;

    Jiangxi Univ Sci & Technol Fac Mat Met & Chem Ganzhou 341000 Peoples R China|Engn Res Ctr Hydrogen Energy Mat & Devices Ganzhou 341000 Peoples R China;

    Jiangxi Univ Sci & Technol Fac Mat Met & Chem Ganzhou 341000 Peoples R China|Engn Res Ctr Hydrogen Energy Mat & Devices Ganzhou 341000 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    HER; OER; Prussian blue analog; In-situ grown; Nickel foam; Nickel phosphide;

    机译:她;oer;普鲁士蓝色模拟;原位成长;镍泡沫;磷化镍;
  • 入库时间 2022-08-18 22:24:10

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