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Electrocatalytic Oxidation of Methanol on Nickel Doped Metal- Organic Frameworks MIL-110 Modified Glassy Carbon Electrode in Alkaline Medium

机译:碱性介质中镍掺杂的金属有机骨架MIL-110修饰的玻碳电极上甲醇的电催化氧化

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Nickel doped metal-organic frameworks MIL-110 catalysts were prepared by impregnation method.The as-prepared Ni/MIL-110 catalysts with different Ni content (10 wt.%, 20 wt.% and 30 wt.%) werecharacterized by XRD, SEM, elemental distribution analysis, N 2 adsorption-desorption and TEM.Ni/MIL-110 modified glassy carbon electrodes were employed to investigate the methanolelectrooxidation reaction (MOR) in 0.1 M NaOH by cyclic voltammetry (CV) and chronoamperometry(CA). Ni/MIL-110 shows good electrocatalytic acidity toward MOR and MOR reaction is underdiffusion controlled. And the catalytic rate constant is calculated to be 0.96 × 10 3 cm 3 mol -1 s -1 by CAanalysis.
机译:采用浸渍法制备了镍掺杂的金属有机骨架MIL-110催化剂。通过XRD表征了Ni含量分别为10wt。%,20wt。%和30wt。%的Ni / MIL-110催化剂。 SEM,元素分布分析,N 2吸附-脱附和TEM。采用Ni / MIL-110修饰的玻碳电极通过循环伏安法(CV)和计时电流法(CA)研究0.1 M NaOH中的甲醇电氧化反应(MOR)。 Ni / MIL-110对MOR表现出良好的电催化酸性,并且MOR反应的扩散控制不足。通过CA分析计算出催化速率常数为0.96×10 3 cm 3 mol -1 s -1。

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