
Designing a cost-effective process that is ready for implement prior to the time frame of 2025-2030 is urgent for recovering valuable materials from the end-of-life lithium-ion (EoL Li-ion) batteries. This is because (1) Power generation utilities are teaming up with Li-ion battery energy storage to move towards achieving carbon neutrality; and (2) The recent year-on-year increase in EV registrations is estimated to be around 40%.[1] In this scenario, with the assumption that the average lifespan of Li-ion batteries is 8-10 years, by 2030, about 200 kilotons of EOL Li-ion batteries will need to be recycled to support environmental conservation efforts.[2] To address this urgency, a thermal process assisted by fluidization using CLC as principle was developed at UKy by utilizing a fuel reactor to recover the metals from the EOL Li-ion battery followed by separating the individual species in a stirred reactor. Such a process offers the advantages versus the existing technologies, which is no in need of strong acids and reducing agents in the process. In this meeting, UKy will present (1) the metal recovery results using a bench-scale process, (2) improving the process performance by altering the operating parameters, e.g., temperature, etc., and (3) disclosing the underlying mechanisms for decomposing lithium oxides under reducing environments. Reference: [1] https://www.iea.org/reports/global-ev-outlook-2020 [2] https://spectrum.ieee.org/lithiumion-battery-recycling-finally-takes-off-in-north-america-and-europe
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