Different strategies to reduce the critical length scale of LCEs. (A) Schematic illustration of the electrospinning of LCE microfiber. Reprinted with permission from Ref [109]. (B) Schematic illustration of the preparation process of the PDA-modified MXene/LCE fiber by dry spinning. Reprinted with permission from Ref [111]. (C) Schematic illustration of fiber shaping and orientation using the multi-drawdown spinning technique. Scale bar: 1 mm. Reprinted with permission from Ref [112]. (D) Schematic diagram of the preparation of LM-LCE fiber via DIW printing. Reprinted with permission from Ref [117]. (E) Schematic illustration of 3D MEW-printed LCE microfibers and cross-scale structures. Reprinted with permission from Ref [121]. (F) Schematic illustration of fabricating ultrathin gold-film-coated LCE film. Reprinted with permission from Ref [122].