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首页> 外文期刊>Applied Surface Science >Investigation of hydrogen evolution activity for the nickel, nickel-molybdenum nickel-graphite composite and nickel-reduced graphene oxide composite coatings
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Investigation of hydrogen evolution activity for the nickel, nickel-molybdenum nickel-graphite composite and nickel-reduced graphene oxide composite coatings

机译：镍，镍-钼-镍-石墨复合材料和还原镍的氧化石墨烯复合涂层的析氢活性研究

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摘要

The nickel, nickel-molybdenum alloy, nickel-graphite and nickel-reduced graphene oxide composite coatings were obtained by the electrodeposition technique from a nickel sulfate bath. Nanocrystalline molybdenum, graphite and reduced graphene oxide in nickel coatings promoted hydrogen evolution reaction in 0.5 M H2SO4 solution at room temperature. However, the nickel-reduced graphene oxide composite coating exhibited the highest electrocatalytic activity for the hydrogen evolution reaction in 0.5 M H2SO4 solution at room temperature. A large number of gaps between 'cauliflower' like grains could decrease effective area for hydrogen evolution reaction in slight amorphous nickel-molybdenum alloy. The synergistic effect between nickel and reduced graphene oxide promoted hydrogen evolution, moreover, refined grain in nickel-reduced graphene oxide composite coating and large specific surface of reduced graphene oxide also facilitated hydrogen evolution reaction. (C) 2016 Elsevier B.V. All rights reserved.
机译：通过电沉积技术从硫酸镍浴中获得镍，镍-钼合金，镍-石墨和镍还原的氧化石墨烯复合涂层。镍涂层中的纳米晶态钼，石墨和还原的氧化石墨烯在室温下于0.5 M H2SO4溶液中促进了氢的释放反应。然而，在室温下，镍还原的氧化石墨烯复合涂层在0.5 M H2SO4溶液中对氢的析出反应表现出最高的电催化活性。 “花椰菜”状晶粒之间的大量缝隙会降低轻微的非晶态镍钼合金中氢析出反应的有效面积。镍与还原的氧化石墨烯之间的协同作用促进了氢的释放，此外，镍还原的氧化石墨烯复合涂层中的细化晶粒和还原的氧化石墨烯的大比表面积也促进了氢的释放反应。 （C）2016 Elsevier B.V.保留所有权利。

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  • 来源
    《Applied Surface Science》 |2016年第15期|353-358|共6页
  • 作者

    Lv Jinlong; Liang Tongxiang; Wang Chen;

  • 作者单位

    Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing Key Lab Fine Ceram, Zhongguancun St, Beijing 100084, Peoples R China|Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China;

    Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing Key Lab Fine Ceram, Zhongguancun St, Beijing 100084, Peoples R China|Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China;

    Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing Key Lab Fine Ceram, Zhongguancun St, Beijing 100084, Peoples R China|Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Alloy; Hydrogen evolution; Electrode position; Surface morphology; Graphene;

    机译：合金;氢析出;电极位置;表面形态;石墨烯;

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