Intellectual Property India Publishes Patent Application for Composite Solid Electrolyte Membrane, Manufacturing Method Therefor, And All-Solid-State Battery Comprising Same

MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202617001307 A) filed by Lg Energy Solution, Ltd. on January 06, 2026, for Composite Solid Electrolyte Membrane, Manufacturing Method Therefor, And All-Solid-State Battery Comprising Same.

Inventors include Kim, Donghyeon; Cho, Kuk Young; Hah, Hoejin; Kim, Minjae; and Seo, Junhyeok.

The application for the patent was published on October 02, 2026, under issue no. 40/2026.

Abstract: The present invention relates to a composite solid electrolyte membrane, a manufacturing method therefor, and an all-solid-state battery comprising same, the composite solid electrolyte membrane comprising: a solid electrolyte membrane including a solid electrolyte and a binder; and an ionic liquid, wherein the solid electrolyte membrane includes a plurality of pores, the ionic liquid is impregnated in the plurality of pores, and the anion of the ionic liquid is (CF3SO2)2N-.

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