CPC H01M 10/0565 (2013.01) [C08F 290/141 (2013.01); H01M 10/0525 (2013.01); H01M 50/411 (2021.01); H01M 50/417 (2021.01); C08F 12/14 (2013.01); C08F 20/14 (2013.01); H01M 2300/0065 (2013.01); H01M 2300/0082 (2013.01)] | 16 Claims |
1. A solid polymer electrolyte comprising:
a multifunctional acrylate-based polymer;
a C2 to C10 polyalkylene oxide;
a lithium salt; and
a non-aqueous solvent, which is present in a solid state at room temperature and is homogeneously mixed within the solid polymer electrolyte through a melting process, and wherein the non-aqueous solvent comprises dimethyl sulfone,
wherein the multifunctional acrylate-based polymer and the polyalkylene oxide form a semi-interpenetrating polymer network (semi-IPN), and
wherein the multifunctional acrylate-based polymer, the C2 to C10 polyalkylene oxide, the lithium salt and the non-aqueous solvent together are present in an amount of more than 70% by weight of solids, based on a total weight of the electrolyte.
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14. A method of manufacturing the electrolyte according to claim 1 comprising:
(1) mixing an electrolyte composition comprising a multifunctional acrylate-based polymer monomer, a C2 to C10 polyalkylene oxide, a lithium salt and a non-aqueous solvent;
(2) melting the electrolyte composition at 100° C. to 150° C. and
(3) photopolymerizing the melted electrolyte composition to obtain the electrolyte.
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