fig5
Figure 5. (A) Schematic diagram of interface between two SPEs. (B) Polymer interfacial resistance (Rpi) with different Li salt contents at temperatures ranging from 25 to 90 °C. Reproduced with permission[65]. Copyright, ACS 2021. Schematics of (C) homogeneous composite polymer electrolyte and (D) gradient composite polymer electrolyte. Reproduced with permission[66]. Copyright, John Wiley and Sons 2021.
