Investigation on capacity fading of aqueous MnO_2·nH_2O electrochemical capacitor

摘要

Cycle stability of MnO_2·nH_2O electrochemical capacitors (ECs) has been studied by using galvanostatic tests and electrochemical impedance spectroscopy (EIS). The extent of capacity fading, ranging from 5 to 30% in 1000 cycles, increases with current-ra