MUMBAI, India, Sept. 28 -- Intellectual Property India has published a patent application (202621038872 A) filed by Sage Green Industries Pvt Ltd on March 29, 2026, for A Method For Recovery Of High-Purity Black Mass From Lithium-Ion Batteries Scrap.
Inventors include Khurana, Karan; and Malviya, Anurag.
The application for the patent was published on September 25, 2026, under issue no. 39/2026.
Abstract: The present invention relates to a comprehensive mechanical recycling method for selective recovery of high-purity black mass ( 95% active materials) from spent 18650 format NMC lithium-ion cells. The method employs a novel controlled electrochemical discharge stage utilizing 6.0% w/v sodium chloride solution to safely neutralize residu...