Browsing by Author "Rodrigues, Marco-tulio F."

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    Recycling Li-ion batteries using green chemicals and processes
    (2023-02-28) Tran, Mai K.; Rodrigues, Marco-tulio F.; Babu, Ganguli; Gullapalli, Hemtej; Ajayan, Pulickel M.; Rice University; William Marsh Rice University; United States Patent and Trademark Office
    A process for extracting, recovering and recycling metals and materials from spent lithium ion batteries (LIB) that comprises the contacting battery waste products with a deep eutectic solvent, and leaching the metal from the battery waste product and extracting the metal into the deep eutectic solvent with heat and agitation. After the leaching and extracting, the process further includes recovering the dissolved metals ions from the deep eutectic solvent solution, followed by a step of regeneration of cathode materials.