fig5

Figure 5. (A) Crystal structures (B) CO2 adsorption isotherms at a temperature 298 K, and (C) discharge voltage curve at 50 mA g-1 with a limited voltage of 2.0 V of different MOF samples (Reproduced with permission[47]. Copyright 2018, The Royal Society of Chemistry). (D) Illustration of the TTCOF-2H catalysts in Li-CO2 batteries. (E) Long-term cycling stability of different cathode catalysts at 300 mA g-1. (F) CO2 binding energy on TAPP-M (M = Cu, Ni, Co, Mn) molecules. (G)Free energy profiles (ΔG) for Li2CO3 nucleation and Cn generation with the different reaction pathways on the TAPP-Mn molecule at U = 0 V (Reproduced with permission[49]. Copyright 2021, American Chemical Society). (H) Crystal texture of HOF-FJU-1. (I) Adsorption energies for Li+ and TFSI- with HOF-FJU-1, and schematic illustration of CO2 and Li+. (J) Ex-situ FTIR spectra of HOF-FJU-1 based cathode (Reproduced with permission[53]. Copyright 2023, Wiley-VCH).