DataVXAdvanced MaterialsPaper
journal article·2023-03Open access

Coordination Polymer Electrocatalysts Enable Efficient CO‐to‐Acetate Conversion

Mingchuan Luo, Adnan Ozden, Ziyun Wang, Fengwang Li, Jianan Erick Huang, Sung‐Fu Hung, Yuhang Wang, Jun Li, Dae‐Hyun Nam, Yuguang C. Li, Yi Xu, Ruihu Lu, Shuzhen Zhang, Yanwei Lum, Yang Ren, Longlong Fan, Fei Wang, Hui‐hui Li, Dominique Appadoo, Cao‐Thang Dinh, Yuan Liu, Bin Chen, Joshua Wicks, Haijie Chen, David Sinton, Edward H. Sargent

Advanced Materials· Volume 35· Issue 10
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Abstract

Abstract 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.
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Research context

PolymersCatalysis & surfaces

OpenAlex topics: CO2 Reduction Techniques and Catalysts · Advanced battery technologies research · Carbon dioxide utilization in catalysis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Electrical and Computer Engineering University of Toronto 35 St, George Street Toronto Ontario M5S 1A4 Canada

Department of Mechanical and Industrial Engineering University of Toronto 5 King's, College Road Toronto Ontario M5S 3G8 Canada

School of Chemical Sciences The University of Auckland Auckland 1010 New Zealand

School of Chemical and Biomolecular Engineering and The University of Sydney Nano Institute The University of Sydney Sydney NSW 2006 Australia

Department of Applied Chemistry National Yang Ming Chiao Tung University Hsinchu 300 Taiwan

Institute of Materials Research and Engineering Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore 138634 Singapore

X‐ray Science Division Argonne National Laboratory Lemont Illinois 60439 USA

State Key Laboratory of Coal Conversion, Institute of Coal Chemistry Chinese Academy of Sciences Taiyuan 030001 P. R. China

Key Laboratory for Ultrafine Materials of Ministry of Education School of Chemical Engineering East China University of Science and Technology Shanghai 200237 China

Australian Synchrotron‐ANSTO Clayton VIC 3168 Australia

Funding

Natural Sciences and Engineering Research Council of Canada · University of Toronto · Office of Science · U.S. Department of Energy · Argonne National Laboratory · Canadian Light Source · Australian Research Council · Australian Government · Ministry of Science and Technology

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