Figure 6

Contact angles of 1.0 M LiPF₆ in EC/DMC liquid electrolyte on Celgard separator after (a) 5 s, (b) 90 s, and (c) the photo after 60 s, and contact angles of 1.0 M LiPF₆ in EC/DMC electrolyte on ep-PBIPE membrane after (d) 5 s, (e) 10 s, and (f) the image after 60 s wetting.