Boosting Production of HCOOH from CO 2 Electroreduction via Bi/CeO x

Formic acid (HCOOH) is one of the most promising chemical fuels that can be produced through CO electroreduction. However, most of the catalysts for CO electroreduction to HCOOH in aqueous solution often suffer from low current density and limited production rate. Herein, we provide a bismuth/cerium...

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Published in:Angewandte Chemie International Edition 2021-04, Vol.60 (16), p.8798-8802
Main Authors: Duan, Yan-Xin, Zhou, Yi-Tong, Yu, Zhen, Liu, Dong-Xue, Wen, Zi, Yan, Jun-Min, Jiang, Qing
Format: Article
Language:English
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Summary:Formic acid (HCOOH) is one of the most promising chemical fuels that can be produced through CO electroreduction. However, most of the catalysts for CO electroreduction to HCOOH in aqueous solution often suffer from low current density and limited production rate. Herein, we provide a bismuth/cerium oxide (Bi/CeO ) catalyst, which exhibits not only high current density (149 mA cm ), but also unprecedented production rate (2600 μmol h  cm ) with high Faradaic efficiency (FE, 92 %) for HCOOH generation in aqueous media. Furthermore, Bi/CeO also shows favorable stability over 34 h. We hope this work could offer an attractive and promising strategy to develop efficient catalysts for CO electroreduction with superior activity and desirable stability.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.202015713