fig31
From: Applications of flexible polyimide: barrier material, sensor material, and functional material
Figure 31. (A) Cyclic performance of batteries using PP, PI and Al2O3-PI diaphragms at constant current charge/discharge (1c/1c)[149]; (B) Ac impedance spectra of liquid electrolyte soaked Celgard film, P nanofiber nonwoven fabric and polyaniline /PI composite film at 25 °C[148]; (C) Mechanism of PI nanofiber membrane coated with porous layer by in situ self-bonding and micro-cross-linking[150]; (D) Ignition test of PE, PI and API diaphragms soaked in electrolyte[151].
