Fig. 2.
a Schematic illustration of the preparation process of Ov–TiO2–T (T = 550, 600, 650 and 700). b Schematic diagrams of the reaction mechanisms for the photo-assisted Li–O2 batteries with Ov–TiO2-650. Reproduced with permission [78].
Copyright 2022, Elsevier. c Schematic illustrating the process of making ink and 3D printed air cathode for Li–O2 batteries. d Schematic diagram of the discharge mechanisms for photo-assisted Li–O2 batteries with the gCNTO/rGO/CNTs photocathode. Reproduced with permission [79]. Copyright 2024, Royal Society of Chemistry