From Glass Waste to High-Performance Solid Composite Electrolytes for Sustainable Solid-State Lithium Batteries

Abstract

High-alkali glass fiber is repurposed from a passive separator into an electrochemically active scaffold within a solid composite electrolyte. Its multication-doped silicate surface helps to dissociate lithium salts, accelerate ion transport, suppress interfacial resistance, and homogenize Li plating, delivering high-voltage, thermally robust, and low-cost solid-state lithium batteries poised for scalable, sustainable manufacturing.