fig12

Figure 12. (A) Flow cell used in electrochemical tests; (B) FE values of CO₂RR products on Ga₁-F/Cu₂O-2; (C) C₂₊ product yield rates at different applied current densities of F/Cu₂O, Ga₁-F/Cu₂O-1, Ga₁-F/Cu₂O-2, and Ga₁-F/Cu₂O-3. This figure is quoted with permission from Wang et al. Copyright (2024) John Wiley and Sons^[151]; (D) FEs of H₂, C₁, and C₂₊ on Cu_xO and various B-Cu_xO samples measured with H-cell; (E) FEs of CO₂RR products on Cu_xO and 5% B-Cu_xO measured with flow cells. This figure is quoted with permission from Yang et al. Copyright (2024) Elsevier^[152]; (F) FE_C2H4 for the 3D CTPI (tetrahydro-phenanthrolinium/SSC-modified Cu NPs on Cu/PTFE) as well as 3D CI (SSC modified-Cu NPs on Cu/PTFE); (G) j_C2H4 for 3D CTPI (tetrahydro-phenanthrolinium/SSC-modified Cu NPs on Cu/PTFE) and 3D CI (SSC modified-Cu NPs on Cu/PTFE); (H) Full-cell energy efficiency and j_C2H4 with different CO₂ concentrations; (I) Durability measurement of 3D CTPI catalyst at 220 mA cm^-2.This figure is quoted with permission from Ozden et al. Copyright (2020) American Chemical Society^[166]. FE: Faradaic efficiency; CO₂RR: CO₂ reduction reaction; NPs: nanoparticles; 3D: three-dimensional; PTFE: polytetrafluoroethylene; CTPI: catalyst/tetrahydro-phenanthrolinium/ionomer; SSC: short-side-chain.