Facile synthesis of supported CuNi nano-clusters as an electrochemical CO reduction catalyst with broad potential range.

Chem Commun (Camb)

State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.

Published: November 2023

AI Article Synopsis

  • A nitrogen-doped carbon-supported CuNi bimetallic nanocluster catalyst, known as CuNi-NC, was synthesized using an easy method derived from ZIF.
  • This catalyst showed a maximum Faradaic efficiency (FE) of 96.3% and maintained an FE above 90% over a wide potential range of 600 mV, thanks to its adjustable pore size distribution.
  • Density functional theory studies indicated that *COOH is preferentially formed during the catalytic process, highlighting the catalyst's effective performance.

Article Abstract

A nitrogen-doped carbon-supported CuNi bimetallic nanocluster catalyst (CuNi-NC) was first synthesized a facile ZIF-derived method. With a synergistic effect between Cu and Ni, the catalyst exhibited a maximum FE of 96.3%. FE is higher than 90% in a broad potential range of 600 mV, which was ascribed to the controllable pore size distribution. Density functional theory further demonstrated the preferred formation of *COOH in the catalytic process.

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http://dx.doi.org/10.1039/d3cc03758dDOI Listing

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