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Controlling the C2+ product selectivity of electrochemical CO reduction on an electrosprayed Cu catalyst

Journal of Materials Chemistry A, ISSN: 2050-7496, Vol: 8, Issue: 13, Page: 6210-6218
2020
  • 48
    Citations
  • 0
    Usage
  • 64
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    48
    • Citation Indexes
      48
  • Captures
    64

Article Description

Cu catalysts prepared by modifying bulk Cu foils have achieved high performance for value-added C2+ compounds from electrochemical CO reduction (CORR) but the transformation of active sites can be affected by the bulk substrate, which make it complex to design the catalyst. Herein, we newly introduce a simple electrospray pyrolysis method to take advantage of a facile wet-chemical synthesis applicable on non-copper substrates, such as a porous carbon paper, and demonstrate highly enhanced selectivity for CH production from CORR. The electrosprayed copper oxide on the carbon paper showed uniquely improved C2 selectivity compared with that on the copper substrate. The improved performance is proposed to be related to the presence of Cu mixed state and retention of morphology of the electrosprayed catalyst on the carbon paper, showing the importance of the substrate. In addition, the C2 product selectivity can be tuned by the electrospray synthesis time as it affects the size of the surface nanostructure as well as the porosity of the catalyst, which can provide an effective way to regulate the C2/C1 ratio.

Bibliographic Details

Si Young Lee; Sang Youn Chae; Hyejin Jung; Chan Woo Lee; Dang Le Tri Nguyen; Hyung Suk Oh; Byoung Koun Min; Yun Jeong Hwang

Royal Society of Chemistry (RSC)

Chemistry; Energy; Materials Science

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