fig11

Figure 11. (A) Synthetic route for H-NTO microspheres and its corresponding (B) Rate performance at different temperatures; (C) Cycle performance. Quoted with permission from Meng et al.^[104]; (D) Synthesis of Li⁺ pre-inserted SEI layer; (E) Rate performance; (F) Cycling performance at 1.0 A·g^-1. Quoted with permission from Cha et al.^[106]. A-TNT: Anatase TiO₂ NTs (A-TNT); Li-TiO₂ NTs: Li⁺ inserted anatase TiO₂ NTs; Li-TiO₂ NTs-De: Li⁺ inserted/de-inserted anatase TiO₂ NTs; H-NTO: hollow Na₂Ti₃O₇; SEI: solid electrolyte interphase.