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Meeting 2025 TMS Annual Meeting & Exhibition
Symposium REWAS 2025: Sustainable End-of-Life Management and Recycling Solutions for Batteries, Wind Turbines, and Photovoltaics
Presentation Title A Separation-Free and Purification-Free Method for Direct Production of Lithium-Rich Solution from Industrial-Grade Lithium-Ion Battery Waste
Author(s) Tianyu Zhao, Yeonuk Choi
On-Site Speaker (Planned) Tianyu Zhao
Abstract Scope This paper presents a separation-free, purification-free method for directly producing lithium-rich solutions from industrial-grade mixed lithium-ion battery waste. This waste includes components such as lithium iron phosphate, copper foil, aluminum foil, graphite, nickel, cobalt, and manganese. The separation-free aspect eliminates the need for physical powder separation during pretreatment, allowing for the selective leaching of lithium directly from the mixed waste. Additionally, the study explores using acid and hydrogen peroxide to separate lithium from six impurity elements (iron, nickel, cobalt, manganese, copper, and aluminum). Under optimized conditions, the lithium leaching rate exceeds 96%, while all impurity elements remain below 1%. The purification-free aspect is due to the excellent leaching selectivity, resulting in a solution containing almost no other metal ions besides lithium. This method demonstrates strong lithium extraction capability and excellent leaching selectivity, offering promising industrial application prospects while also streamlining processes and reducing costs.
Proceedings Inclusion? Planned:
Keywords Hydrometallurgy, Recycling and Secondary Recovery, Extraction and Processing

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Preliminary Study on the Recycling of Oxide-Based Solid-State Electrolytes
A Separation-Free and Purification-Free Method for Direct Production of Lithium-Rich Solution from Industrial-Grade Lithium-Ion Battery Waste
Advancing Circular Economy: Copper Recovery from E-Waste at Aurubis' New US Facility
Assessing Circular Economy in Photovoltaics: Life Cycle Perspective of Material Recovery, Reuse, and Remanufacturing
Barriers and Opportunities for Recycling Wind Turbine Blades in the United States
Critical Metals Recovery Via Multistep Pyrolysis of Spent Li-Ion Battery
Decommissioning, Characterization and Proposed Recycling Route of a Used Na-ZnCl2 Battery Cell
End-of-Life Recycling of Lithium-Ion Batteries in India
Enhancing Graphite Flotation Efficiency in The Presence of PVDF Binder via Surface Modifications by Ultrasound and UV Irradiation
Evaluating the Use of Wind Blade Residue and Recycled Aggregate in Low-Strength Concrete
Formation and Stability of Hydrides During Hydrogenation of NdFeB Magnets
Leaching Studies of LiCoO2 Cathode Powder in Phosphoric Acid Medium
Lithium Extraction from Wastewater of Li-ion Battery Direct-Recycling via Electrodialysis
Opportunities and Challenges in Lithium-Ion Battery Recycling: Emphasis on Pretreatment and Pyrometallurgical Processing
Optimizing Early-Stage Lithium Recovery: Investigating Oxalic Acid Leaching of Black Mass from End-of-Life NMC 622 Batteries
Photovoltaic Waste Management: Technologies and Strategies to Recycle c-Si and CI(G)S PV Waste
Pilot-Scale Hydrometallurgical Recycling of NMC Blackmass
Re-Use of Wind Turbine Blades as Pedestrian Bridges in Beaverbrook Park
Recycling of Lithium-Ion Batteries Cathode Material Using Supercritical Fluid Extraction
Recycling of Raw-Crushed Wind-Turbine Blade for Concrete Production: Mechanical and Durability Performance
Recycling of Solar Wafers Through Acid Leaching and Vacuum Refining
Reductive Leaching Investigation of Li-NMC Cathode Material Related to Spent Battery Recycling
Reductive Leaching of Cathode Active Material from Li-Ion Batteries and Recovery of Copper Reductant
Reviews and Perspectives: Selective Leaching—A Promising Approach for Recycling Lithium Iron Phosphate Batteries
Solubilities of Lithium, Nickel, and Cobalt Oxides in Deep Eutectic Solvents
Solvo-Metallurgical Process for the Extraction of Lithium from End-of-Life Electric Vehicle Lithium-Ion Batteries
Supply Risk Aware Alloy Discovery and Design
Sustainable Route for Nd Recycling from End-of-Life NdFeB Magnet Using a Deep Eutectic Solvent
Synergistic Processing of Mixed LFP-NMC Black Mass for Improved Recycling Operations
Upcycling Spent Battery Cathodes into Steel with Green Hydrogen

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