Enhancing the Electrochemical Reduction of CO2by Controlling the Flow Conditions: An Intermittent Flow Reduction System with a Boron-Doped Diamond Electrode

Irkham, Shinichi Nagashima, Mai Tomisaki, Yasuaki Einaga

研究成果: ジャーナルへの寄稿学術誌査読

5 被引用数 (Scopus)

抄録

Electrochemical CO2 reduction using an intermittent flow cell system with boron-doped diamond (BDD) as the working electrode is presented. A stop-start motion of the flow conditions in the intermittent cell is created using a piston pump, and this considerably increases the rate of electrochemical conversion of CO2 to HCOOH compared to a continuous flow system. The system works by stopping the flow of the electrolytes at a controlled frequency, which allows for sufficient time for more CO2 anion radicals (intermediate species) to be reduced into HCOOH instead of being washed away from the surface of the electrode. The findings presented here provide an important basis from which the design of CO2 reduction systems for industrial-scale applications can be started.

本文言語英語
ページ(範囲)5298-5303
ページ数6
ジャーナルACS Sustainable Chemistry and Engineering
9
15
DOI
出版ステータス出版済み - 4月 19 2021
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 化学 (全般)
  • 環境化学
  • 化学工学(全般)
  • 再生可能エネルギー、持続可能性、環境

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