Electrolyte, method of preparing the electrolyte, and lithium secondary battery comprising the electrolyte

The invention relates to an electrolyte, a method of preparing the electrolyte, and a lithium secondary battery comprising the electrolyte. The electrolyte including a copolymer including (i) an ion-conductive domain including an ion-conductive segment of the copolymer, wherein the ion-conductive segment includes a plurality of ion-conductive units, and (ii) a structural domain including a structural segment of the copolymer, wherein the structural segment includes a plurality of structural units, wherein the ion-conductive domain and the structural domain are covalently linked, and a polymer network phase coupled to the ion-conductive domain.