Fig. 2: Schematics illustrating the properties and characterization methods of solid RM(II)-BTC cathode.
From: Boosting a practical Li-CO2 battery through dimerization reaction based on solid redox mediator
a N2 adsorption-desorption isotherms of solid RM(II)-BTC cathode at 77 K. b Pore size distributions of solid RM(II)-BTC cathode. c CO2 adsorption isotherms of solid RM(II)-BTC and CNTs at 298 K. Insets: the unit cell structure diagram of solid RM(II)-BTC that is a structural unit containing two Cu atoms. The gray, red, and cyan balls represent C, O, and Cu(II), respectively. d XRD pattern, (e) FT-IR spectroscopy, (f) XPS survey, (g, h) SEM images and (i) SEM image and EDS spectroscopy of solid RM(II)-BTC cathode.
