Intellectual Property India Publishes Patent Application for A Solid-Glass-Electrolyte Coated Sodium Metal Anode, Method For Preparation Thereof, And A Room-Temperature Sodium-Sulfur Battery

MUMBAI, India, Aug. 10 -- Intellectual Property India has published a patent application (202411104597 A) filed by Indian Institute Of Technology Delhi on December 30, 2024, for A Solid-Glass-Electrolyte Coated Sodium Metal Anode, Method For Preparation Thereof, And A Room-Temperature Sodium-Sulfur Battery.

Inventors include Dr. Kumar, Vipin; Kashyap, Hemant Kumar; Singh, Rahul; and Zubair, Md. Osama.

The application for the patent was published on July 31, 2026, under issue no. 31/2026.

Abstract: The present invention provides a solid-glass-electrolyte coated sodium metal anode comprising (Na2O)x(SiO2)yYz, where x = 2-3, y = 5-6, and z = 1-1.5, and a method for growing the solid-glass-electrolyte over a sodium metal anode. The solid-glass-electrolyte coated sodium metal anode of the present invention is used in a room- temperature sodium-sulfur battery for energy storage that exhibits a stable cycle-life of over 100 cycles at a C-rate of C/40.

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