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Pre-concentration of graphite and LiCoO2 in spent lithium-ion batteries using enhanced gravity concentrator
The pre-concentration of electrode material of spent lithium-ion battery has great significance on the resource utilization and environmental protection. The feasibility of separation of graphite and LiCoO2 based on density difference using the enhanced gravity concentrator was verified in this paper. Combustion characteristics of LiCoO2 and graphite were used to propose a simple evaluation index of separation efficiency. Separation tests were carried out to specify the influence of operatingdoi:10.5277/ppmp1817 fatcat:5mrydflyfzc5zbw37pdp255xoe