Fig. 3: Electrochemical performance of Li-CO2 batteries with CNTs and solid RM(II)-BTC cathode.
From: Boosting a practical Li-CO2 battery through dimerization reaction based on solid redox mediator

a The CV plots of CNTs and solid RM(II)-BTC cathode in Ar and CO2 atmosphere. b Full deep discharge/charge profiles of CNTs and solid RM(II)-BTC cathode under Ar and CO2 at a current density of 100 mA g−1. c Comparison of the galvanostatic discharge/charge profiles of CNTs and solid RM(II)-BTC cathode with a fixed capacity of 1000 mAh g−1 at 100 mA g−1. d Comparison of the galvanostatic discharge/charge profiles of solid RM(II)-BTC at various current densities. e Comparison of the galvanostatic discharge/charge profiles of CNTs (without RM), soluble RM and solid RM(II)-BTC at high current densities (1000 and 1500 mA g−1). f Cycling behavior of solid RM(II)-BTC cathode for the selected cycles under CO2 at a current density of 500 mA g-1 and curtailing capacity of 1000 mAh g-1. g Cycling performance for pouch Li-CO2 batteries with solid RM(II)-BTC cathode at 200 mA g-1 within 200 mAh g-1, along with red LED lights powered by this device in CO2 glove box as insets. h Cycling behavior of the fabricated pouch battery of solid RM(II)-BTC cathode for the selected cycles under CO2 at a current of 200 mA g-1 and curtailing capacity of 200 mAh g-1.