CPC H01M 50/44 (2021.01) [D01D 5/003 (2013.01); D01F 1/10 (2013.01); H01M 10/052 (2013.01); H01M 10/0565 (2013.01); H01M 50/40 (2021.01); H01M 50/403 (2021.01); H01M 50/426 (2021.01); H01M 50/431 (2021.01); H01M 50/434 (2021.01); H01M 50/489 (2021.01); H01M 50/497 (2021.01); H01M 10/0525 (2013.01); H01M 2300/0082 (2013.01); H01M 2300/0094 (2013.01)] | 11 Claims |
1. A lithium ion conducting composite polymer electrolyte separator, comprising:
an activated nanofiber mat, comprising:
a nanofiber mat, comprising:
multiple layers of electrospun nanofibers, comprising:
a polymer having one or more polar halogen groups;
a lithium-containing solid or liquid electrolyte; and
from 10 to 20 weight percent of nanoparticle filler based on total weight of the lithium ion conducting composite polymer electrolyte separator, comprising fumed silica, nanoparticle silicon dioxide, and one or more of nanoparticle titanium dioxide, nanoparticle vanadium oxide, and nanoparticle boron trioxide; and
an activation solution comprising a liquid electrolyte, soaked in the nanofiber mat.
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