In:
Catalysis Science & Technology, Royal Society of Chemistry (RSC), Vol. 11, No. 20 ( 2021), p. 6742-6749
Abstract:
Metals and their alloy-based electrocatalysts continue to attract considerable attention for electrochemical carbon dioxide reduction reactions (CO 2 RRs). In this work, cuprous oxide (Cu 2 O) was supported on N-doped flexible roughed graphite paper (NGP) to fabricate Cu 2 O/NGP self-supporting electrocatalysts for CO 2 RRs by electrodeposition and heat treatment. In the Cu 2 O/NGP electrocatalyst, NGP acted as a current collector and conducting channel, which can effectively transfer electrons from the active sites of Cu 2 O to NGP, and thus, enhance the catalytic performance of Cu 2 O/NGP for CO 2 RRs. The overall Faradaic efficiency of Cu 2 O/NGP for CO 2 RRs reached 96% at −0.9 V vs. reversible hydrogen electrode, of which 35% originated from yielding ethylene (C 2 H 4 ), suggesting its high activity and C 2 H 4 selectivity. Furthermore, the excellent stability of Cu 2 O/NGP over 10 h made it preferable as an effective electrocatalyst for CO 2 RRs. The good electrocatalytic performance could be attributed to the unique self-supporting structure and the synergetic effect between Cu 2 O and NGP.
Type of Medium:
Online Resource
ISSN:
2044-4753
,
2044-4761
Language:
English
Publisher:
Royal Society of Chemistry (RSC)
Publication Date:
2021
detail.hit.zdb_id:
2595090-3
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