FIGURE 2 Electrochemical performances of non-noble based and Cu
based-catalysts for CO2RR. (A) FE and (B) current
density of all different catalysts. (C) CO reduction pathways for CO and
formate formation. Reproduced with the
permission.[57] Copyright 2019, American Chemical
Society. (D) Schematics of the preparation of the Bi(PC-6c), Bi(DC-60s),
and Bi(DC-120s). (E) HCOO– FE at different
potentials. Reproduced with the permission.[58]Copyright 2017, Elsevier. (F) Total current densites and (G) partial
C2H4 current densities of n-CuNS, CuNS,
and CuNP. (H) FEs of n-CuNS for C2H4 and
H2 production. Reproduced with the
permission.[63] Copyright 2020, American Chemical
Society