Constrained C2 adsorbate orientation enables CO-to-acetate electroreduction

Jian Jin, Joshua Wicks, Qiuhong Min, Jun Li, Yongfeng Hu, Jingyuan Ma, Yu Wang, Zheng Jiang, Yi Xu, Ruihu Lu, Gangzheng Si, Panagiotis Papangelakis, Mohsen Shakouri, Qunfeng Xiao, Pengfei Ou, Xue Wang, Zhu Chen, Wei Zhang, Kesong Yu, Jiayang Song, Xiaohang Jiang, Peng Qiu, Yuanhao Lou, Dan Wu, Yu Mao, Adnan Ozden, Chundong Wang, Bao Yu Xia, Xiaobing Hu, Vinayak P. Dravid, Yun-Mui Yiu, Tsun-Kong Sham, Ziyun Wang, David Sinton, Liqiang Mai (), Edward H. Sargent () and Yuanjie Pang ()
Additional contact information
Jian Jin: Huazhong University of Science and Technology
Joshua Wicks: University of Toronto
Qiuhong Min: Huazhong University of Science and Technology
Jun Li: Shanghai Jiao Tong University
Yongfeng Hu: University of Saskatchewan
Jingyuan Ma: Chinese Academy of Sciences
Yu Wang: Chinese Academy of Sciences
Zheng Jiang: Chinese Academy of Sciences
Yi Xu: University of Toronto
Ruihu Lu: Huazhong University of Science and Technology
Gangzheng Si: Huazhong University of Science and Technology
Panagiotis Papangelakis: University of Toronto
Mohsen Shakouri: University of Saskatchewan
Qunfeng Xiao: University of Saskatchewan
Pengfei Ou: University of Toronto
Xue Wang: University of Toronto
Zhu Chen: University of Toronto
Wei Zhang: Wuhan University of Technology
Kesong Yu: Wuhan University of Technology
Jiayang Song: Huazhong University of Science and Technology
Xiaohang Jiang: Huazhong University of Science and Technology
Peng Qiu: Huazhong University of Science and Technology
Yuanhao Lou: Huazhong University of Science and Technology
Dan Wu: Huazhong University of Science and Technology
Yu Mao: The University of Auckland
Adnan Ozden: University of Toronto
Chundong Wang: Huazhong University of Science and Technology
Bao Yu Xia: Huazhong University of Science and Technology
Xiaobing Hu: Northwestern University
Vinayak P. Dravid: Northwestern University
Yun-Mui Yiu: Western University
Tsun-Kong Sham: Western University
Ziyun Wang: The University of Auckland
David Sinton: University of Toronto
Liqiang Mai: Wuhan University of Technology
Edward H. Sargent: University of Toronto
Yuanjie Pang: Huazhong University of Science and Technology

Nature, 2023, vol. 617, issue 7962, 724-729

Abstract: Abstract The carbon dioxide and carbon monoxide electroreduction reactions, when powered using low-carbon electricity, offer pathways to the decarbonization of chemical manufacture1,2. Copper (Cu) is relied on today for carbon–carbon coupling, in which it produces mixtures of more than ten C2+ chemicals3–6: a long-standing challenge lies in achieving selectivity to a single principal C2+ product7–9. Acetate is one such C2 compound on the path to the large but fossil-derived acetic acid market. Here we pursued dispersing a low concentration of Cu atoms in a host metal to favour the stabilization of ketenes10—chemical intermediates that are bound in monodentate fashion to the electrocatalyst. We synthesize Cu-in-Ag dilute (about 1 atomic per cent of Cu) alloy materials that we find to be highly selective for acetate electrosynthesis from CO at high *CO coverage, implemented at 10 atm pressure. Operando X-ray absorption spectroscopy indicates in situ-generated Cu clusters consisting of

Date: 2023
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DOI: 10.1038/s41586-023-05918-8

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