Fig. 4: Electrochemical performance of the N-CNTs@MC//MnO@CNTs full coin cell.
From: Ampere-hour-scale soft-package potassium-ion hybrid capacitors enabling 6-minute fast-charging
a CV curves of N-CNTs@MC//MnO@CNTs full cell at 10, 20, 50, 100 and 200 mV s−1. b Charge/discharge curves of N-CNTs@MC//K, MnO@CNTs//K half cells and N-CNTs@MC//MnO@CNTs full cell. c Charge-discharge curves of N-CNTs@MC//MnO@CNTs full cell at different specific currents. d Rate performance of N-CNTs@MC//MnO@CNTs full cell at various specific currents. e Fast charge (blue) and discharge (red) curves of N-CNTs@MC//MnO@CNTs full cell. f The long-term cycle performance of N-CNTs@MC//MnO@CNTs full cell at 10 A g−1. g Self-discharging performance of the N-CNTs@MC//MnO@CNTs full cell in comparison to the mesoporous carbon//soft carbon (MC//SC) potassium-ion-based full.
