MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202521078419 A) filed by Shah Dhara Sachin on August 19, 2025, for Scalable Industrial Process For Sustainable Recovery Of Battery-Grade Metals From Spent Lithium-Ion Batteries.
Inventor includes Shah Dhara Sachin.
The application for the patent was published on October 30, 2026, under issue no. 44/2026.
Abstract: A process for recovering battery-grade metals from spent lithium-ion battery black mass is disclosed. The process comprises leaching black mass in a glass-lined reactor using a sulfuric acid and hydrogen peroxide solution, followed by solid-liquid separation using an agitated Nutsche filter dryer to remove graphite and steel. The resulting ...