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首页> 外文期刊>Advanced Functional Materials >Design of a Multilayered Oxygen-Evolution Electrode with High Catalytic Activity and Corrosion Resistance for Saline Water Splitting
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Design of a Multilayered Oxygen-Evolution Electrode with High Catalytic Activity and Corrosion Resistance for Saline Water Splitting

机译：具有高催化活性的多层氧化电极和盐水分裂耐腐蚀的多层氧化电极

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摘要

The realization of seawater electrolysis requires high-performing anode materials that should possess good catalytic activity, stability, and specificity for the oxygen evolution reaction (OER) as well as high resistance toward chloride corrosion. Herein, the design of a multilayered oxygen-evolution electrode is reported to meet the multiple needs of anode material for saline water splitting. The multilayered electrode is synthesized through direct thermal boronization of commercially available NiFe alloy plate with boron powder, followed by electrochemical oxidation. And this electrode is composed of the surface oxidized NiFeBx alloy layer, the NiFeBx alloy interlayer, and the NiFe alloy substrate. The boron species are present in the form of metaborate in the outermost oxidized NiFeBx layer, and their existence is conductive to the generation and stabilization of the catalytic active phase gamma-(Ni,Fe)OOH. The introduction of NiFeBx interlayer effectively prevents the excessive oxidative corrosion of the anode material in the electrolyte containing chloride ions.
机译：海水电解的实现需要高性能的阳极材料，该阳极材料应具有良好的催化活性，稳定性和氧气进化反应（Oer）的特异性以及对氯化物腐蚀的高抗性。这里，据报道，多层氧化电极的设计以满足盐水分裂的阳极材料的多种需求。通过使用硼粉末的市售NiFe合金板的直接热硼化，然后电化学氧化合成多层电极。并且该电极由表面氧化的NiFBX合金层，NiFebx合金中间层和NiFe合金基材组成。硼种类以最外层氧化的NiFebx层中的代谢形式存在，并且它们的存在是导向催化活性相γ-（Ni，Fe）OOH的产生和稳定。 NiFebx中间层的引入有效地防止了含有氯离子电解质中阳极材料的过度氧化腐蚀。

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  • 来源
    《Advanced Functional Materials》 |2021年第27期|2101820.1-2101820.9|共9页
  • 作者

    Li Jihong; Liu Yipu; Chen Hui; Zhang Zhankai; Zou Xiaoxin;

  • 作者单位

    Jilin Univ Coll Chem State Key Lab Inorgan Synth & Preparat Chem Changchun 130012 Peoples R China;

    Jilin Univ Coll Chem State Key Lab Inorgan Synth & Preparat Chem Changchun 130012 Peoples R China;

    Jilin Univ Coll Chem State Key Lab Inorgan Synth & Preparat Chem Changchun 130012 Peoples R China;

    Jilin Univ Coll Chem State Key Lab Inorgan Synth & Preparat Chem Changchun 130012 Peoples R China;

    Jilin Univ Coll Chem State Key Lab Inorgan Synth & Preparat Chem Changchun 130012 Peoples R China;

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  • 正文语种 eng
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  • 关键词

    anode material; electrolysis; oxygen evolution reaction; water splitting;

    机译：阳极材料;电解;氧气进化反应;水分裂;

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