Fig. 2
Half-cell electrochemical characterization of MnHCMn vs. SHE. a The reaction potential profile of the MnHCMn electrode vs. SHE at a 1C rate. Electrolyte is 1 M NaClO4, 90% MeCN, 10% water. b The cycle life and coulombic efficiency of the MnHCMn electrode during 1C–1C cycling between –0.5 and –0.9 V
