fig8

Figure 8. (A) Schematic of a G-LCF composite fibre for shape deformation mechanism with reversible percolation. Schematic of a composite fibre for shape deformation mechanism with reversible percolation; (B) Actuation strain and concurrent electrical current change at the single-fibre level of G0.3-LCF induced by different NIR intensities under a constant stress. (A and B) are reprinted with permission from Ref.^[104], Copyright © 2022 Springer Nature; (C) The CNF/G composites as wearable sensors with excellent performance, such as thermal management, EMI shielding, health monitoring, and Joule heating; (D) TC values of CNF/G composites at different contents of mGNPs; (E) Schematic diagram of the heat transfer model for CNF/G composites. (C-E) are reprinted with permission from Ref.^[105], Copyright © 2024 John Wiley and Sons; (F) Thickness evolution of GF-TIM after compressive cycles under the same compressive strain. Reproduced with permission^[106], Copyright © 2024, American Chemical Society; (G) EMI SE of CNF/G composites with different mGNPs contents; (H) Photographs of EMI shielding ability of paper and CNF/G28 composite for wireless charging of smartphones. (G and H) are reprinted with permission from Ref.^[105], Copyright © 2024 John Wiley and Sons; (I) PN0.85GC-900’s reflection loss presentation in the frequency range of 2-18 GHz with varying thicknesses (1-5 mm). Reproduced with permission^[107], Copyright © 2022 Springer Nature; (J) Demonstration of the EMI shielding performance of GNF@tCu. A piece of non-shielding paper is taken as comparison (middle); (K) EMI SE and specific shielding effectiveness of GNFs with a thickness of 20 μm under different electroless plating duration. (J and K) are reprinted with permission from Ref.^[108], Copyright © 2025 Elsevier. G-LCF: Graphene liquid crystal elastomer fibre; NIR: near-infrared; CNF/G: cellulose nanofibers/graphene nanoplatelets composite; EMI: electromagnetic interference; TC: thermal conductivity; mGNPs: modified graphene nanoplatelets; GF-TIM: graphene fiber-based thermal interface material; SE: shielding effectiveness; GNFs: graphene nanofibers; LCE: liquid crystal elastomer; G-LCE: graphene liquid crystal elastomer; LC: liquid crystalline; EM: electromagnetic; RL: reflection loss.