5. Pore Size and Roughness Analysis Results of 15 wt.% PVDF/LiCl Electrospun Nanofiber Membrane (ENM15*), Heat-Treated (HT, 150 °C for 6 h, 70 Pa) and Hot-Pressed at 10 MPa and Different Temperatures (t_HP = 6 min; R_q: Root Mean Square Roughness).

	Pore size (μm)				Roughness (nm)
THP (°C)	Min.	Max.	Mode	Mode freq (%)	Rq
HT	0.71	2.85	2.37	24	N/A
25 °C	0.71	2.38	0.79	58	400 ± 100
60 °C	0.19	0.89	0.40	67	360 ± 90
80 °C	0.12	0.67	0.40	79	280 ± 30
120 °C	<d.l.	0.19			250 ± 90