Polymer electrolyte, lithium battery comprising the polymer electrolyte, method of preparing the polymer electrolyte, and method of preparing the lithium battery

摘要

A polymer electrolyte including: a lithium salt; an organic solvent; a fluorine compound; and a polymer of a monomer represented by Formula 1 below.
H2C═C—(OR)n—OCH═CH2  Formula 1;In Formula 1, R is a C2-C10 alkylene group, and n is in a range of about 1 to about 1000.

主权项

1. A polymer electrolyte comprising:
a lithium salt; an organic solvent comprising residual moisture; a fluorinated organic compound effective to provide a Protonic acid or a Lewis acid when contacted with moisture, wherein the fluorinated organic compound comprises at least one compound selected from the group consisting of:wherein, R1 to R3 are each independently a hydrogen atom or a C1 to C10 alkyl group that is unsubstituted or substituted with a fluorine atom, R4 to R9 are each independently a fluorine atom or a C1 to C10 alkyl group that is unsubstituted or substituted with a fluorine atom, and at least one of R4 to R9 is a fluorine atom; and
a polymer of a monomer represented by Formula 1 below:
H2C═HC—(OR1)n—OCH═CH2,  Formula 1 wherein R is a C2-C10 alkylene group, and n is in a range of from about 1 to about 1000.