Table 1.

Summary of characteristics of some representative commonly used separators that have been industrialized

Separator	Brand	Thickness (μm)	Porosity (%)	Pore size (μm)	Electrolyte contact angle	Ionic conductivity (mS cm–1) at RT
PP	Celgard 2400	25	41	0.043	–	–
PP	Celgard 2500	25	55	0.091	> 90°	–
PE	Hipore	16	41	–	–	0.61
PE	Senior	9	43	0.045	> 50°	1.04
Cellulose	Cellulion	20	63	2.44	–	0.90
PI		20	91	–	10°	1.71