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Efficient electrocatalytic conversion of carbon monoxide to propanol using fragmented copper

  • Yuanjie Pang
  • , Jun Li
  • , Ziyun Wang
  • , Chih-Shan Tan
  • , Pei-Lun Hsieh
  • , Tao-Tao Zhuang
  • , Zhi-Qin Liang
  • , Chengqin Zou
  • , Xue Wang
  • , Phil De Luna
  • , Jonathan P. Edwards
  • , Yi Xu
  • , Fengwang Li
  • , Cao-Thang Dinh
  • , Miao Zhong
  • , Yuanhao Lou
  • , Dan Wu
  • , Lih-Juann Chen
  • , Edward H. Sargent
  • , David Sinton*
  • *Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

The renewable-energy-powered electrocatalytic conversion of carbon dioxide and carbon monoxide into carbon-based fuels provides a means for the storage of renewable energy. We sought to convert carbon monoxide—an increasingly available and low-cost feedstock that could benefit from an energy-efficient upgrade in value—into n-propanol, an alcohol that can be directly used as engine fuel. Here we report that a catalyst consisting of highly fragmented copper structures can bring C 1 and C 2 binding sites together, and thereby promote further coupling of these intermediates into n-propanol. Using this strategy, we achieved an n-propanol selectivity of 20% Faradaic efficiency at a low potential of −0.45 V versus the reversible hydrogen electrode (ohmic corrected) with a full-cell energetic efficiency of 10.8%. We achieved a high reaction rate that corresponds to a partial current density of 8.5 mA cm –2 for n-propanol.
Original languageEnglish
Pages (from-to)251-258
JournalNature Catalysis
Volume2
Issue number3
DOIs
Publication statusPublished - 1 Mar 2019
Externally publishedYes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy
  2. SDG 13 - Climate Action
    SDG 13 Climate Action

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