Abstract
Redox chemistry mechanism method for direct recycling is explored in this work to relithiate End-of-Life (EoL) lithium-ion battery cathode material. Quinone-based redox mediators are used to restore lithium content in the EoL material. The redox mediator is reduced in the reaction and EoL is oxidized. These compounds can shuttle the charges very fast between lithium metal and the EoL. Electrochemical analysis and characterization of the relithiated cathode material are carried out to compare with the performance of pristine cathode material. This approach will potentially pave way for quality material recovery at a low cost. This project is part of ReCell which is a collaborative effort to develop efficient and economical recycle and reuse methods for EoL battery materials.
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