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US 11,387,489 B2Granted
Polymer electrolyte and preparation method therefor
AssigneesLG Energy Solution, Ltd., Postech Academy-Industry Foundation
InventorsDaeil Kim, Moon Jeong Park, Jonghyun Chae, Yeonju Lee, Lucia Kim, Ha Young Jung, Gyuha Jo
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Abstract
A polymer electrolyte including a poly(ethylene oxide) (PEO) containing polymer; and a lithium salt, wherein a terminal of the poly(ethylene oxide) containing polymer is substituted with a sulfur compound functional group, a nitrogen compound functional group or a phosphorus compound functional group, and a method for preparing the same and a battery containing the same.
Claims11
A polymer electrolyte comprising:
- a poly(ethylene oxide) containing polymer;
- and
- a lithium salt,
- wherein the poly(ethylene oxide) containing polymer is represented by formula 2 or formula 3 below:
- wherein n is a repeating unit of an integer of 10 to 120, and R is an alkyl chain having 1-4 carbon atoms.
2 more elements
Dependencies are inferred from the claim text.