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首页> 外文期刊>International journal of hydrogen energy >Boosting the oxygen evolution electrocatalysis of layered nickel hydroxidenitrate nanosheets by iron doping
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Boosting the oxygen evolution electrocatalysis of layered nickel hydroxidenitrate nanosheets by iron doping

机译：铁掺杂促进层状硝酸镍纳米片的析氧电催化。

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摘要

Development of earth-abundant electrocatalysts with high activities and strong duribilities for oxygen evolution reaction (OER) has received the increased interests for various sustainable energy storage and conversion systems. Herein, we report a novel non-noble metal electrocatalyst based on layered nickel hydroxidenitrate [Ni-3(NO3)(2)(OH)(4)] nano sheets and demonstrate that iron doping strategy greatly boosts their OER performances.. The spectroscopic investigation and cyclic voltammetry analysis confirm the favorable electronic interaction between nickel and iron in Ni3-xFex(NO3)(2)(OH)(4). The optimal Ni2.85Fe0.25(NO3)(2)(OH)(4) catalyst exhibits the earlier onset potential and smaller over potential at 10 mA cm(-2) compared with those of the state-of-the-art IrO2 in 1.0 M KOH solution. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
机译：对于氧释放反应（OER），具有高活性和高耐久性的富含地球的电催化剂的开发引起了人们对各种可持续能源存储和转化系统的日益增长的兴趣。本文中，我们报道了一种基于层状硝酸镍[Ni-3（NO3）（2）（OH）（4）]纳米片的新型非贵金属电催化剂，并证明了铁掺杂策略大大提高了它们的OER性能。研究和循环伏安法分析证实了Ni3-xFex（NO3）（2）（OH）（4）中镍和铁之间的良好电子相互作用。与最先进的IrO2相比，最佳的Ni2.85Fe0.25（NO3）（2）（OH）（4）催化剂在10 mA cm（-2）时表现出更早的起始电位和更小的过电位在1.0 M KOH溶液中。 （C）2019氢能出版物有限公司。由Elsevier Ltd.出版。保留所有权利。

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  • 来源
    《International journal of hydrogen energy》 |2019年第21期|10627-10636|共10页
  • 作者

    Liu Yaoyao; Han Ning; Jiang Jing; Ai Lunhong;

  • 作者单位

    China West Normal Univ, Coll Chem & Chem Engn, Chem Synth & Pollut Control Key Lab Sichuan Prov, Nanchong 637002, Peoples R China;

    Curtin Univ, WA Sch Mines Minerals Energy & Chem Engn WASM MEC, Perth, WA 6102, Australia;

    China West Normal Univ, Coll Chem & Chem Engn, Chem Synth & Pollut Control Key Lab Sichuan Prov, Nanchong 637002, Peoples R China|Curtin Univ, WA Sch Mines Minerals Energy & Chem Engn WASM MEC, Perth, WA 6102, Australia;

    China West Normal Univ, Coll Chem & Chem Engn, Chem Synth & Pollut Control Key Lab Sichuan Prov, Nanchong 637002, Peoples R China|Curtin Univ, WA Sch Mines Minerals Energy & Chem Engn WASM MEC, Perth, WA 6102, Australia;

  • 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

    Oxygen evolution; Doping; Electronic modulation; Nanosheet; Electrocatalysis;

    机译：析氧;掺杂;电子调制;纳米片;电催化;

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