Figure 12.

(a) Schematic of the operation of a flexible belt-shaped Li-air battery using 4% SiO₂–LiI GPE with rGO/Li anode in ambient air; (b) photographic profile of a LED driven by this cell under bending conditions; discharge and charge curves obtained at a current density of 100 mA g⁻¹ (c) with a fixed capacity of 1000 mAh g⁻¹ and (d) under full discharge/charge conditions; (e) voltage at the discharge/charge terminal at a current density of 100 mA g⁻¹ and a fixed capacity of 500 mAh g⁻¹ as a function of cycle number. Reproduced with permission from [419]. Copyright 2018 Royal Society of Chemistry.