Fig. 4: Structure and electrochemical properties of the pouch cells.
a Schematic illustration of the quasi-solid-state rechargeable Li-O2 pouch cell. b Photograph of the quasi-solid-state rechargeable Li-O2 pouch cell. c Rate performance of the quasi-solid-state rechargeable Li-O2 pouch cell. d Galvanostatic discharge-charge curves of the quasi-solid-state rechargeable Li-O2 pouch cell with a cutoff capacity of 1000 mAh/g at a current density of 1000 mA/g. e A prototype quasi-solid-state Li-O2 pouch cell without an aluminum-laminated film case in flat and rolled forms. f Comparison of energy densities with the commercial iPhone 6 Li-ion polymer battery based on the full discharge curve (Figure S11, Supporting Information)16
