| 碱性介质中甲醇氧化红外光谱电化学循环伏吸研究 |
| FTIR Spectroelectrochemistry Cyclic Voltabsorptometry Studies of Oxidation of Methanol in Alkaline Media |
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| 摘要: 本文利用红外光谱电化学循环伏吸法，对碱性体系下甲醇在Pt电极上的氧化过程的中间产物进行分析和研究。结果表明，碱性体系中，CH3OH在Pt电极上具有较好的电化学活性，存在和在酸性体系中不同的反应机理。利用现场红外差谱对氧化过程的产物进行分析，对生成的产物进行指认，并未发现毒化中间产物COL的生成。运用红外光谱电化学循环伏吸及导数伏吸法，对生成的中间体的生成过程进行分析和指认，结果表明：CH3OH的氧化中间产物为HCOO-，在碱性体系下，会继续转化为CO2，CO32-和HCO3-。 |
| 关键词: 现场红外光谱 红外循环伏吸法 碱性介质 甲醇 |
| 基金项目: |
| Abstract: In this paper, infrared spectroelectrochemistry cyclic voltabsorptometry (CVA) technique was used to investigate the intermediate of methanol oxidation on Pt electrode in basic system. The result indicates that CH3OH shows a great electrochemical activity on Pt electrode in an alkaline media, which exists a different reaction mechanism in the acid media. By using the infrared difference spectra，we do not find the poisonous intermediate formation of COL. What is more, the use of IR CVA and DCVA (Derivative Cyclic Voltabsorptometry) can help us assign the possible intermediate products. We also believe that the intermediate formation of the methanol oxidation is HCOO-, and subsequent further oxidation of HCOO- to the final products: CO2, CO32- and HCO3-. |
| Keywords: in-situ FTIR IR spectroelectrochemistry cyclic voltabsorptometry alkaline media methanol |
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| 傅东祺,金葆康.碱性介质中甲醇氧化红外光谱电化学循环伏吸研究[J].无机化学学报,2010,26(11):2001-2005. |
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