Figure 15. (A) SEM image of MFC/rGO/SnO2 paper-based
electrode.[122] (B) Preparation process and physical photo of
FCP-NiCO2O4 paper-based electrode.
[124] (C) Preparation process of
CNF/Co3O4 paper-based electrode.
[125] (D) Paper-based electrode prepared based on CNT impregnation.
[126] (E) SEM images of paper and LIG. [128] (F) Preparation
process of paper-based LIG devices. (G) NaHCO3 chemical
foaming mechanism and CV curves of paper-based devices. [129]