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Catalyst-electrolyte interface chemistry for electrochemical CO(2)reduction
- Title
- Catalyst-electrolyte interface chemistry for electrochemical CO(2)reduction
- Authors
- Sa, Young Jin; Lee, Chan Woo; Lee, Si Young; Na, Jonggeol; Lee, Ung; Hwang, Yun Jeong
- Ewha Authors
- 나종걸
- SCOPUS Author ID
- 나종걸
- Issue Date
- 2020
- Journal Title
- CHEMICAL SOCIETY REVIEWS
- ISSN
- 0306-0012
1460-4744
- Citation
- CHEMICAL SOCIETY REVIEWS vol. 49, no. 18, pp. 6632 - 6665
- Publisher
- ROYAL SOC CHEMISTRY
- Indexed
- SCIE; SCOPUS
- Document Type
- Review
- Abstract
- The electrochemical reduction of CO(2)stores intermittent renewable energy in valuable raw materials, such as chemicals and transportation fuels, while minimizing carbon emissions and promoting carbon-neutral cycles. Recent technoeconomic reports suggested economically feasible target products of CO(2)electroreduction and the relative influence of key performance parameters such as faradaic efficiency (FE), current density, and overpotential in the practical industrial-scale applications. Furthermore, fundamental factors, such as available reaction pathways, shared intermediates, competing hydrogen evolution reaction, scaling relations of the intermediate binding energies, and CO(2)mass transport limitations, should be considered in relation to the electrochemical CO(2)reduction performance. Intensive research efforts have been devoted to designing and developing advanced electrocatalysts and improving mechanistic understanding. More recently, the research focus was extended to the catalyst environment, because the interfacial region can delicately modulate the catalytic activity and provide effective solutions to challenges that were not fully addressed in the material development studies. Herein, we discuss the importance of catalyst-electrolyte interfaces in improving key operational parameters based on kinetic equations. Furthermore, we extensively review previous studies on controlling organic modulators, electrolyte ions, electrode structures, as well as the three-phase boundary at the catalyst-electrolyte interface. The interfacial region modulates the electrocatalytic propertiesviaelectronic modification, intermediate stabilization, proton delivery regulation, catalyst structure modification, reactant concentration control, and mass transport regulation. We discuss the current understanding of the catalyst-electrolyte interface and its effect on the CO(2)electroreduction activity.
- DOI
- 10.1039/d0cs00030b
- Appears in Collections:
- 공과대학 > 화공신소재공학과 > Journal papers
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