Fig. 5: Electrochemical performance of the N-CNTs@MC//MnO@CNTs Ah pouch cell.
From: Ampere-hour-scale soft-package potassium-ion hybrid capacitors enabling 6-minute fast-charging
a The photograph of a N-CNTs@MC sheet and the exhibition of its flexibility (inset). b The optical images of the N-CNTs@MC sheets interconnected with an Al tag and MC//MnO@CNTs sheets with a Ni tag and the separator interlayer. c The photograph of a winding soft pack cell before electrolyte injecting and sealing. d The photograph of the pouch cell powering a cell phone. e Charge-discharge curve of the N-CNTs@MC//MnO@CNT Ah pouch cell. f Fast charging profiles of the pouch cell g Rate performance and h corresponding CE of the Ah pouch cell under different rates. i Cycle stability of the pouch cell with charging under 10 C and discharging under 1 C for 200 cycles.
