Schematic illustration of the dual-waste co-upcycling strategy (IMAGE)
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This work introduces a sustainable co-recycling strategy that transforms spent LMO cathodes into highly active photothermal catalysts for efficient polyester depolymerization. Lithium deficiency in spent LMO enhances Mn3+/Mn4+ redox properties, boosting adsorption and catalytic activity—achieving up to 17.5-fold higher efficiency than pristine LMO. This work establishes a sustainable pathway for upcycling both LIBs and plastic waste, demonstrating remarkable scalability and sustainability implications.
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©Science China Press
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