An efficient, formic acid selective CO2electrolyzer with a boron-doped diamond cathode

Jinglun Du; Andrea Fiorani; Yasuaki Einaga

doi:10.1039/d1se00309g

An efficient, formic acid selective CO₂electrolyzer with a boron-doped diamond cathode

Jinglun Du, Andrea Fiorani, Yasuaki Einaga

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

We fabricated a CO2 electrolyzer in order to investigate the energy requirements and the electrical-to-chemical energy conversion efficiency obtained when using boron-doped diamond as the cathode. The main product in the electrochemical reduction of CO2 using a boron-doped diamond electrode is formic acid, with a faradaic efficiency of 96%. The electrical-to-chemical energy conversion efficiency was investigated at various bias voltages, and it reached 43%, very close to the predicted maximum value, at a cell voltage of 3 V. If the secondary products, hydrogen and carbon monoxide, are also considered, the total electrical-to-chemical energy conversion efficiency was as much as 45%. This journal is

Original language	English
Pages (from-to)	2590-2594
Number of pages	5
Journal	Sustainable Energy and Fuels
Volume	5
Issue number	10
DOIs	https://doi.org/10.1039/d1se00309g
Publication status	Published - 2021 May 21

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Fuel Technology
Energy Engineering and Power Technology

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1039/d1se00309g

Cite this

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title = "An efficient, formic acid selective CO2electrolyzer with a boron-doped diamond cathode",

abstract = "We fabricated a CO2 electrolyzer in order to investigate the energy requirements and the electrical-to-chemical energy conversion efficiency obtained when using boron-doped diamond as the cathode. The main product in the electrochemical reduction of CO2 using a boron-doped diamond electrode is formic acid, with a faradaic efficiency of 96%. The electrical-to-chemical energy conversion efficiency was investigated at various bias voltages, and it reached 43%, very close to the predicted maximum value, at a cell voltage of 3 V. If the secondary products, hydrogen and carbon monoxide, are also considered, the total electrical-to-chemical energy conversion efficiency was as much as 45%. This journal is ",

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note = "Funding Information: A. F. acknowledges the Japan Society for the Promotion of Science (Fellowship ID No. P19333) and Grant-in-Aid for JSPS Fellows (19F19333). Also, this work was partially supported by Grant-in-Aid for Scientic Research A 19H00832 and the New Energy and Industrial Technology Development Organization (NEDO) P16002 (to Y. E.). Publisher Copyright: {\textcopyright} The Royal Society of Chemistry.",

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PY - 2021/5/21

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N2 - We fabricated a CO2 electrolyzer in order to investigate the energy requirements and the electrical-to-chemical energy conversion efficiency obtained when using boron-doped diamond as the cathode. The main product in the electrochemical reduction of CO2 using a boron-doped diamond electrode is formic acid, with a faradaic efficiency of 96%. The electrical-to-chemical energy conversion efficiency was investigated at various bias voltages, and it reached 43%, very close to the predicted maximum value, at a cell voltage of 3 V. If the secondary products, hydrogen and carbon monoxide, are also considered, the total electrical-to-chemical energy conversion efficiency was as much as 45%. This journal is

AB - We fabricated a CO2 electrolyzer in order to investigate the energy requirements and the electrical-to-chemical energy conversion efficiency obtained when using boron-doped diamond as the cathode. The main product in the electrochemical reduction of CO2 using a boron-doped diamond electrode is formic acid, with a faradaic efficiency of 96%. The electrical-to-chemical energy conversion efficiency was investigated at various bias voltages, and it reached 43%, very close to the predicted maximum value, at a cell voltage of 3 V. If the secondary products, hydrogen and carbon monoxide, are also considered, the total electrical-to-chemical energy conversion efficiency was as much as 45%. This journal is

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