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首页> 外文期刊>RSC Advances >Electrochemical synthesis of dimethyl carbonate from CO2 and methanol over carbonaceous material supported DBU in a capacitor-like cell reactor
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Electrochemical synthesis of dimethyl carbonate from CO2 and methanol over carbonaceous material supported DBU in a capacitor-like cell reactor

机译:在电容器样电池反应器中,在碳质材料中使用CO 2和甲醇二甲基碳酸二甲酯的电化学合成

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摘要

Electro-assisted dimethyl carbonate (DMC) formation from CO2 and methanol over carbonaceous material supported 1,8-diazabicyclo-[5.4.0]undec-7-ene (DBU) was first performed under solvent-free conditions in a capacitor-like cell reactor designed by our group. The effects of applied voltage modes and conductivities of the catalysts on the catalytic performances were fully investigated. The experiment results demonstrated that the catalytic activities can be obviously boosted when the voltages were applied to the catalyst fixed-bed. The constant working potential presented better catalytic activity than the metabolic voltages, and the higher conductivity of catalysts leads to a better catalytic performance. Furthermore, the supported DBU displayed good recyclable properties in the specially designed electrochemical apparatus. We proposed a reaction mechanism of the electrocatalysis for DMC formation.
机译:从CO 2和甲醇的电辅助二甲基碳酸酯(DMC)形成在负载1,8-diazabiyClO-[5.4.0] UDEC-7-ENE(DBU)的含有1,8-diazabidclo-[5.4.0] UNDEC-7-ENE(DBU)的溶剂条件下在电容器样细胞中进行 由我们的小组设计的反应堆。 催化剂对催化剂对催化性能的施加电压模式和电导率的影响得到了全面研究。 实验结果表明,当将电压施加到催化剂固定床时,可以明显提高催化活性。 恒定的工作电位呈现比代谢电压更好的催化活性,并且催化剂的较高导电性导致更好的催化性能。 此外,支持的DBU在特殊设计的电化学设备中显示出良好的可回收性质。 我们提出了DMC形成的电常分的反应机理。

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  • 来源
    《RSC Advances 》 |2016年第46期| 共7页
  • 作者单位

    Sun Yat Sen Univ Sch Mat Sci &

    Engn State Key Lab Optoelect Mat &

    Technol Key Lab Low Carbon Chem &

    Energy Conservat Guangd Guangzhou 510275 Guangdong Peoples R China;

    Sun Yat Sen Univ Sch Mat Sci &

    Engn State Key Lab Optoelect Mat &

    Technol Key Lab Low Carbon Chem &

    Energy Conservat Guangd Guangzhou 510275 Guangdong Peoples R China;

    Sun Yat Sen Univ Sch Mat Sci &

    Engn State Key Lab Optoelect Mat &

    Technol Key Lab Low Carbon Chem &

    Energy Conservat Guangd Guangzhou 510275 Guangdong Peoples R China;

    Sun Yat Sen Univ Sch Mat Sci &

    Engn State Key Lab Optoelect Mat &

    Technol Key Lab Low Carbon Chem &

    Energy Conservat Guangd Guangzhou 510275 Guangdong Peoples R China;

    Sun Yat Sen Univ Sch Mat Sci &

    Engn State Key Lab Optoelect Mat &

    Technol Key Lab Low Carbon Chem &

    Energy Conservat Guangd Guangzhou 510275 Guangdong Peoples R China;

    Sun Yat Sen Univ Sch Mat Sci &

    Engn State Key Lab Optoelect Mat &

    Technol Key Lab Low Carbon Chem &

    Energy Conservat Guangd Guangzhou 510275 Guangdong Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学 ;
  • 关键词

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