Fig. 8
From: Reversible intercalation of methyl viologen as a dicationic charge carrier in aqueous batteries

Rate performance and the reaction kinetics. a Rate performance and CE of MV2+ storage in PTCDA from 100 mA g−1 to 2000 mA g−1; b The GCD potential profiles of the PTCDA electrode tested at different current rates; c The GITT potential profile of the PTCDA electrode in the 31st charge process; d Diffusion coefficients calculated from the GITT potential profiles as a function of SOC during the 31st charge