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中国无机分析化学:2019,9(3):58-62
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水系体系中CO2在稀土(Nd)(Ⅲ)双酞菁修饰电极上的电催化还原研究
(赤峰学院 化学化工学院)
Electrocatalytic Reduction of CO2 at Rare Earth (Nd) (III) Diphthalocyanine Modified Electrode in Aqueous Solution
(Chifeng University)
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投稿时间:2019-01-17    修订日期:2019-05-07
中文摘要: 摘 要 目的:本研究旨在探讨CO2在稀土(Nd)(Ⅲ)双酞菁修饰电极上的电催还原行为。方法:通过滴涂法将稀土(Nd)(Ⅲ)双酞菁担载在玻碳电极上制备成它的修饰电极,在水溶液中利用循环伏安、红外光谱法等方法研究制备的修饰电极对CO2的电催化还原性能。结果表明,本研究所制备的稀土(Nd)(Ⅲ)双酞菁修饰电极对CO2的电催化还原有较高的活性,还原电流随修饰量增加而变大,修饰电极的还原电流与溶液的PH值有关,随着pH变大,还原峰向负方向移动。结论:实验结果表明,稀土(Nd)(Ⅲ)双酞菁修饰电极对二氧化碳电化学还原具有很好的电催化活性,在该修饰电极上,CO2可在较正的电位下被还原。
Abstract:Abstract Objective: The aim of this study was to investigate the electrocatalytic reduction of CO2 at rare earth (Nd) (III) diphthalocyanine modified electrodes. Methods: Rare earth (Nd) (III) diphthalocyanine was loaded on glassy carbon electrode by dropping coating method to prepare its modified electrode. The electrocatalytic reduction performance of the modified electrode for CO2 was studied by cyclic voltammetry and infrared spectroscopy in aqueous solution. The results show that the rare earth (Nd) (III) diphthalocyanine modified electrode prepared in this study has high activity for the electrocatalytic reduction of CO2. The reduction current increases with the increase of the modification amount. The reduction current of the modified electrode is related to the PH value of the solution. With the increase of pH, the reduction peak moves to the negative direction. Conclusion: the experimental results show that the rare earth (Nd) (III) diphthalocyanine modified electrode has good electrocatalytic activity for the electrochemical reduction of carbon dioxide. On the modified electrode,CO2 can be reduced at a relative positive potential.
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基金项目:内蒙古自治区高等学校科学研究项目(项目编号:NJZY16259);赤峰学院科研服务地方项目(项目编号:cfxyfd201703);赤峰学院2018年度大学生创新训练项目(项目编号:2018DC-36);内蒙古自然科学基金项目(项目编号:2017MS0519)资助。
引用文本:
乌兰其其格,龙梅,刘艳红,黄永刚,段雪琴,李佳佳,赵薇薇.水系体系中CO2在稀土(Nd)(Ⅲ)双酞菁修饰电极上的电催化还原研究[J].中国无机分析化学,2019,9(3):58-62.
Wu Lan Qi Qi Ge,Long Mei,Liu yan hong,Huang yong gang,Duan xue qin,Li jia jia,Zhao wei wei.Electrocatalytic Reduction of CO2 at Rare Earth (Nd) (III) Diphthalocyanine Modified Electrode in Aqueous Solution[J].Chinese Journal of Inorganic Analytical Chemistry,2019,9(3):58-62.

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