METHOD OF SELECTIVELY REMOVING ALUMINUM FROM WASTE ELECTRODE AND A METHOD OF REMOVING METAL COMPONENTS FROM THE WASTE ELECTRODE USING THE METHOD

A method of removing aluminum from a waste electrode. The method includes comminuting the waste electrode containing a waste current collector and an electrode active material. The method further includes screening the comminuted waste electrode to collect the electrode active material. The method…

LITHIUM RECOVERY METHOD

The present invention relates to a method for efficiently recovering valuable metals from end-of-life waste batteries in a dry smelting manner and, more specifically, to a lithium recovery method wherein a flux and a sulfur component are mixed with pulverized or smashed waste lithium battery cells…

METHOD FOR PREPARING BATTERY-GRADE GRAPHITE BY USING MIXED WASTE OF POSITIVE AND NEGATIVE ELECTRODE MATERIALS OF FAILED LITHIUM-ION BATTERY AS RAW MATERIAL

Preparing battery-grade graphite including: 1) placing mixed waste electrode materials of a failed lithium-ion battery in a muffle furnace, and performing low-temperature roasting surface modification in an air atmosphere yielding a powder; 2) forming a slurry of the powder, placing the slurry in a…

METHOD FOR RECYCLING WASTE LITHIUM-ION SECONDARY BATTERY AND RAW MATERIAL FOR LITHIUM-ION SECONDARY BATTERY POSITIVE ELECTRODE MATERIAL OBTAINABLE THEREBY

A method for recycling a waste lithium-ion secondary battery includes (a) loading an object to be heat-treated, which is at least a part of a waste lithium-ion secondary battery including a positive electrode material, into a heat-treatment furnace, (b) increasing the temperature inside the…

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