Electro-Conversion of Carbon Dioxide to Valuable Chemicals in a Membrane Electrode Assembly

Zhenyu Jin, Yingqing Guo and Chaozhi Qiu
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Zhenyu Jin: School of Environmental & Safety Engineering, Changzhou University, Changzhou 213164, China
Yingqing Guo: School of Environmental & Safety Engineering, Changzhou University, Changzhou 213164, China
Chaozhi Qiu: Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Fukuoka 812-8582, Japan

Sustainability, 2022, vol. 14, issue 9, 1-24

Abstract: Electro-conversion of carbon dioxide (CO 2 ) into valuable chemicals is an efficient method to deal with excessive CO 2 in the atmosphere. However, undesirable CO 2 reaction kinetics in the bulk solution strongly limit current density, and thus it is incompetent in market promotion. Flow cell technology provides an insight into uplifting current density. As an efficient flow cell configuration, membrane electrode assembly (MEA) has been proposed and proven as a viable technology for scalable CO 2 electro-conversion, promoting current density to several hundred mA/cm 2 . In this review, we systematically reviewed recent perspectives and methods to put forward the utilization of state-of-the-art MEA to convert CO 2 into valuable chemicals. Configuration design, catalysts nature, and flow media were discussed. At the end of this review, we also presented the current challenges and the potential directions for potent MEA design. We hope this review could offer some clear, timely, and valuable insights on the development of MEA for using wastewater-produced CO 2 .

Keywords: electro-conversion; carbon dioxide; membrane electrode assembly (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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