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V3TiNi0.56Crx(x=0, 0.2, 0.4, 0.6)/NiMoW钒基复合析氢阴极电催化与耐蚀性能研究

杜金晶,  张轩,  周宇,  崔新新,  朱军,  左恒,  王斌,  鲍彦如,  刘景田,  郭悦豪

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文章导航 > 钢铁钒钛  > 2024 >  45(4): 48-53
杜金晶, 张轩, 周宇, 崔新新, 朱军, 左恒, 王斌, 鲍彦如, 刘景田, 郭悦豪. V3TiNi0.56Crx(x=0, 0.2, 0.4, 0.6)/NiMoW钒基复合析氢阴极电催化与耐蚀性能研究[J]. 钢铁钒钛, 2024, 45(4): 48-53. doi: 10.7513/j.issn.1004-7638.2024.04.008
引用本文: 杜金晶, 张轩, 周宇, 崔新新, 朱军, 左恒, 王斌, 鲍彦如, 刘景田, 郭悦豪. V3TiNi0.56Crx(x=0, 0.2, 0.4, 0.6)/NiMoW钒基复合析氢阴极电催化与耐蚀性能研究[J]. 钢铁钒钛, 2024, 45(4): 48-53. doi: 10.7513/j.issn.1004-7638.2024.04.008
shu
Du Jinjing, Zhang Xuan, Zhou Yu, Cui Xinxin, Zhu Jun, Zuo Heng, Wang Bin, Bao Yanru, Liu Jingtian, Guo Yuehao. Study on the corrosion resistance of vanadium-based V3TiNi0.56Crx (x=0, 0.2, 0.4, 0.6)/NiMoW composite cathode for hydrogen evolution[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(4): 48-53. doi: 10.7513/j.issn.1004-7638.2024.04.008
Citation: Du Jinjing, Zhang Xuan, Zhou Yu, Cui Xinxin, Zhu Jun, Zuo Heng, Wang Bin, Bao Yanru, Liu Jingtian, Guo Yuehao. Study on the corrosion resistance of vanadium-based V3TiNi0.56Crx (x=0, 0.2, 0.4, 0.6)/NiMoW composite cathode for hydrogen evolution[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(4): 48-53. doi: 10.7513/j.issn.1004-7638.2024.04.008
shu

V3TiNi0.56Crx(x=0, 0.2, 0.4, 0.6)/NiMoW钒基复合析氢阴极电催化与耐蚀性能研究

doi: 10.7513/j.issn.1004-7638.2024.04.008
  • 1.

    西安建筑科技大学冶金工程学院, 陕西 西安 710055

  • 2.

    陕西五洲矿业股份有限公司, 陕西 商洛 726000

基金项目: 陕西省科技厅区域创新能力引导计划资助项目（编号：2022QFY10-05）； 陕西省“两链融合”校企联合重点专项（编号：2022LL-JB-09）。
详细信息
    作者简介:

    杜金晶，1983年出生，女，博士，副教授，长期从事碱性电解水制氢方面的研究工作，E-mail：dujinzi@xauat.edu.cn

  • 中图分类号: TF125,TG139

Study on the corrosion resistance of vanadium-based V3TiNi0.56Crx (x=0, 0.2, 0.4, 0.6)/NiMoW composite cathode for hydrogen evolution

  • 1.

    School of Metallurgical Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, Shaanxi, China

  • 2.

    Shaanxi Wuzhou Mining Co., Ltd., Shangluo 726000, Shaanxi, China

    摘要
  • 摘要: 主要研究了金属元素Cr对钒基复合析氢阴极V3TiNi0.56Crx(x=0, 0.2, 0.4, 0.6)/NiMoW合金物相、形貌、电催化性能与耐腐蚀性能的影响。结果表明：随着合金基体材料中Cr含量增加，基体合金表面形成了钝化膜，能够使基体材料在电化学腐蚀的过程中产生钝化区。钒基复合析氢阴极的电催化能力略有下降，由极化曲线外推法计算得到自腐蚀电流减小3.61 mA/cm、自腐蚀电位正移0.154 V。长时间电解后，钒基复合析氢阴极表面形成的缝隙减少，电流密度变化幅度减小，说明掺杂金属元素Cr后，其耐蚀性能与长效稳定性均有所提高。
    Abstract: This article mainly studied the influence of Cr element on the electrocatalytic performance and corrosion resistance of vanadium-based V3TiNi0.56Crx(x=0,0.2,0.4,0.6)/NiMoW composite cathode for hydrogen evolution. The phase, morphology, electrocatalytic performance, and corrosion resistance of V3TiNi0.56Crx(x=0,0.2,0.4,0.6)/NiMoW alloy during the electrocatalytic process is analyzed. A passivation film is formed on the surface of the matrix alloy, which can create a passivation zone in the electrochemical corrosion process of the matrix material. It is considered to contain Ni and Cr interstitial substituents. The electrocatalytic ability of vanadium-based composite cathode for hydrogen evolution slightly decreases. The self-corrosion current decreases by 3.61 mA/cm and the self-corrosion potential shifts forward by 0.154 V, which is calculated by the polarization curve extrapolation method. After long-term electrolysis, the amount of gaps formed on its surface decrease, and only slight changes existed in the amplitude of current density change, indicating that its corrosion resistance and long-term stability have been improved.
    • HTML全文

  • 图  1  V3TiNi0.56合金和V3TiNi0.56Cr0.6合金的XRD谱

    Figure  1.  XRD spectra of V3TiNi0.56 and V3TiNi0.56Cr0.6 alloys

    下载: 全尺寸图片 幻灯片

    图  2  V3TiNi0.56合金(a)(b)和V3TiNi0.56Cr0.6合金(c)(d)表面SEM形貌

    Figure  2.  SEM images of V3TiNi0.56 alloy surface (a) (b) and V3TiNi0.56Cr0.6 alloy surface (c) (d)

    下载: 全尺寸图片 幻灯片

    图  3  V3TiNi0.56Crx(x=0, 0.2, 0.4, 0.6)/NiMoW复合阴极电化学性能对比

    (a) LSV曲线； (b)过电位；(c)Tafel斜率；(d)极化曲线

    Figure  3.  Comparison of electrochemical performance of V3TiNi0.56Crx (x=0, 0.2, 0.4, 0.6)/NiMoW composite cathode

    下载: 全尺寸图片 幻灯片

    图  4  V3TiNi0.56Crx(x=0, 0.2, 0.4, 0.6)/NiMoW复合阴极120 h长时间电解i-t曲线

    Figure  4.  The i-t curves of V3TiNi0.56Crx (x=0, 0.2, 0.4, 0.6)/NiMoW composite cathode for long-term electrolysis (120 h)

    下载: 全尺寸图片 幻灯片

    图  5  V3TiNi0.56/NiMoW(a)(b)和V3TiNi0.56Cr0.6/NiMoW (c)(d)复合阴极长时间电解表面SEM形貌

    Figure  5.  SEM images of V3TiNi0.56/NiMoW surface (a), (b) and V3TiNi0.56Cr0.6/NiMoW composite cathode surface (c), (d) in long-term electrolysis

    下载: 全尺寸图片 幻灯片
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    • 收稿日期:  2023-12-20
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