fig6

Figure 6. Composite materials for MEGT. (A) Schematic diagram of the device assembly and its porous GO composite structure^[82]. Reproduced with permission. Copyright 2019, Royal Society of Chemistry; (B) Schematic of the preparation process for flexible device based on PA-CPD^[47]. Reproduced with permission. Copyright 2023, John Wiley & Sons; (C) Illustration of the fabrication process for functional electric generation layer^[59]. Reproduced with permission. Copyright 2024, John Wiley & Sons; (D) Working principle of polyelectrolyte double-layer devices^[36]. Reproduced under CC BY license from Debasis Maity, 2023, Advanced Science; (E) Schematic diagram of the self-gradient moisture power generation device^[35]. Reproduced with permission. Copyright 2025, John Wiley & Sons; (F) Diagram of the LS-Al³⁺-PAA hydrogel structure^[127]. Modified from 127, Copyright Royal Society of Chemistry, 2023. MEGT: Moisture-electric generation textile; GO: graphene oxide; PA-CPD: phytic acid-carbonized polymer dot; LS: lignin sulfonate; PAA: polyacrylic acid; PAAS: sodium polyacrylate; LM: liquid metal; PVC: polyvinyl chloride; SHMEG: self-gradient hydrogel-based moisture-induced electric generator; MBAA: N,N′-methylene-bis(acrylamide); PAM: polyacrylamide; AA: acrylic acid; APS: ammonium persulfate.