Fig. 7.

a Schematic diagram of KTO/C. b SEM image of KTO/C-700. c Rate capacities of the obtained hybrids electrode. Reproduced with permission from Ref. [140]. Copyright 2020, Royal Society of Chemistry. d M-KTO nanoribbons’ schematic illustration. e M-KTO’s HRTEM image with the corresponding SAED patterns (inset). f M-KTO’s rate performance. g Long cycle capacities as well as C.E. of the obtained sample at 200 mA g⁻¹. Reproduced with permission from Ref. [92]. Copyright 2017, American Chemical Society