articleNature CommunicationsJan 30, 2023GOLD OA

Stabilizing copper sites in coordination polymers toward efficient electrochemical C-C coupling

YLYongxiang LiangJZJiankang ZhaoYYYang YuSHSung‐Fu HungJLJun Li

University of Science and Technology of China · The University of Sydney · +3 more institutions

PubMed
Indexed incrossrefdoajpubmed

Abstract

Abstract Electroreduction of carbon dioxide with renewable electricity holds promise for achieving net-zero carbon emissions. Single-site catalysts have been reported to catalyze carbon-carbon (C-C) coupling—the indispensable step for more valuable multi-carbon (C 2+ ) products—but were proven to be transformed in situ to metallic agglomerations under working conditions. Here, we report a stable single-site copper coordination polymer (Cu(OH)BTA) with periodic neighboring coppers and it exhibits 1.5 times increase of C 2 H 4 selectivity compared to its metallic counterpart at 500 mA cm − 2 . In-situ/operando X-ray absorption, Raman, and infrared spectroscopies reveal that the catalyst remains structurally…

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Topics & keywords

Topics
Keywords
  • Electrochemistry
  • Catalysis
  • Copper
  • Materials science
  • Electrolysis
  • Raman spectroscopy
  • Chemical engineering
  • Inorganic chemistry
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