fig6

Figure 6. Controllable assembly of 2D materials as 3D confinement host. (A) The graphic visualization of v-Ti₃C₂T_x electrodes. (B) Cross-section SEM image of v-Ti₃C₂T_x electrodes. Reproduced with permission^[153]. Copyright 2022, Wiley-VCH GmbH. (C) SEM image of SnSe@GF. (D) Electrochemical charge/discharge voltage curves of the symmetrical cells with pre-sodiated GF and SnSe@GF electrodes measured at an areal current of 1 mA cm⁻² and a capacity of 1 mAh cm⁻², over 2000 hours stable duration was recorded. Reproduced with permission^[154]. Copyright 2023, Elsevier. (E) Schematic of the synthesis of a-Ti₃C₂ MXene nanoribbon framework and d-Ti₃C₂ MXene nanosheet for K deposition. Reproduced with permission^[155]. Copyright 2020, Royal Society of Chemistry. (F) Schematic diagram of the preparation of a 3D-printed V₂CT_x/rGO-CNT microgrid aerogel electrode through bulk MXene etching and exfoliation, ink synthesis, 3D printing of the hydrogel, and post-treatment. Reproduced with permission^[158]. Copyright 2020, Royal Society of Chemistry.