Cited by 166CO2 Reduction Techniques and CatalystsCarbon dioxide utilization in catalysisElectrocatalysts for Energy Conversion

Stable and Highly Efficient Electrochemical Production of Formic Acid from Carbon Dioxide Using Diamond Electrodes

Natsui, Keisuke, Iwakawa, Hitomi, Ikemiya, Norihito, Nakata, Kazuya, Einaga, Yasuaki·2018·Angewandte Chemie International Edition

Abstract

High faradaic efficiencies can be achieved in the production of formic acid (HCOOH) by metal electrodes, such as Sn or Pb, in the electrochemical reduction of carbon dioxide (CO 2). However, the stability and environmental load in using them are problematic. The electrochemical reduction of CO 2 to HCOOH was investigated in a flow cell using boron‐doped diamond (BDD) electrodes. BDD electrodes have superior electrochemical properties to metal electrodes, and, moreover, are highly durable. The faradaic efficiency for the production of HCOOH was as high as 94.7 %. Furthermore, the selectivity for the production of HCOOH was more than 99 %. The rate of the production was increased to 473 μmol m−2 s−1 at a current density of 15 mA cm−2 with a faradaic efficiency of 61 %. The faradaic efficiency and the production rate are almost the same as or larger than those achieved using Sn and Pb electrodes. Furthermore, the stability of the BDD electrodes was confirmed by 24 h operation.

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Crossref · 10.1002/anie.201712271

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Authors
Natsui, K., Iwakawa, H., Ikemiya, N., Nakata, K., & Einaga, Y.
Affiliations
  • Keio University (JP)
  • Tokyo University of Science (JP)
Corresponding author
Einaga, Yasuaki
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2018-02-05
Volume
57
Issue
10
Pages
2639-2643
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W2790117107
Cited by
166
References
35
Citations by year
2026: 9 · 2025: 18 · 2024: 17 · 2023: 15 · 2022: 17 · 2021: 23 · 2020: 18 · 2019: 30 · 2018: 19
FWCI
5.19
Type
journal article
Language
en
Open access
closed
Locations
  • Angewandte Chemie International Edition (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
  • Physical Sciences › Chemical Engineering › Process Chemistry and Technology › Carbon dioxide utilization in catalysis
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
Keywords
electrochemical CO2 reduction, formate production, boron-doped diamond electrode, Faradaic efficiency, electrode stability, flow cell, product selectivity, electrocatalysis

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