Coordination Polymer Electrocatalysts Enable Efficient CO-to-Acetate Conversion

Coordination Polymer Electrocatalysts Enable Efficient CO-to-Acetate Conversion

© 2023 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 35(2023), 10 vom: 18. März, Seite e2209567
1. Verfasser: Luo, Mingchuan (VerfasserIn)
Weitere Verfasser: Ozden, Adnan, Wang, Ziyun, Li, Fengwang, Erick Huang, Jianan, Hung, Sung-Fu, Wang, Yuhang, Li, Jun, Nam, Dae-Hyun, Li, Yuguang C, Xu, Yi, Lu, Ruihu, Zhang, Shuzhen, Lum, Yanwei, Ren, Yang, Fan, Longlong, Wang, Fei, Li, Hui-Hui, Appadoo, Dominique, Dinh, Cao-Thang, Liu, Yuan, Chen, Bin, Wicks, Joshua, Chen, Haijie, Sinton, David, Sargent, Edward H
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article CO/CO2 reduction MEA acetate coordination polymers electrosynthesis
Beschreibung
Zusammenfassung:© 2023 Wiley-VCH GmbH.
Upgrading carbon dioxide/monoxide to multi-carbon C2+ products using renewable electricity offers one route to more sustainable fuel and chemical production. One of the most appealing products is acetate, the profitable electrosynthesis of which demands a catalyst with higher efficiency. Here, a coordination polymer (CP) catalyst is reported that consists of Cu(I) and benzimidazole units linked via Cu(I)-imidazole coordination bonds, which enables selective reduction of CO to acetate with a 61% Faradaic efficiency at -0.59 volts versus the reversible hydrogen electrode at a current density of 400 mA cm-2 in flow cells. The catalyst is integrated in a cation exchange membrane-based membrane electrode assembly that enables stable acetate electrosynthesis for 190 h, while achieving direct collection of concentrated acetate (3.3 molar) from the cathodic liquid stream, an average single-pass utilization of 50% toward CO-to-acetate conversion, and an average acetate full-cell energy efficiency of 15% at a current density of 250 mA cm-2
Beschreibung:Date Completed 13.03.2023
Date Revised 13.03.2023
published: Print-Electronic
Citation Status PubMed-not-MEDLINE
ISSN:1521-4095
DOI:10.1002/adma.202209567