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The removal methods of iron and aluminum include the extraction method for removing iron and aluminum, and the direct precipitation method for removing iron and aluminum. These methods of removing iron and aluminum have the disadvantages of high parameter control requirements, high loss of nickel and cobalt valuable components, low removal efficiency of iron and aluminum, and difficult to guarantee product quality. PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC It can remove the iron (FE2O3) from the ternary lithium ions.

PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC

The PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC method for removing iron and aluminum from used mobile phone batteries. The nickel-cobalt and manganese elements in the ternary lithium ion battery are recovered by liquid phase method, including crushing the waste ternary lithium ion battery and leaching them out with acid, removing the iron and aluminum elements, and continuing to process the ternary cathode material precursor. In this method, after obtaining the acid immersion solution, iron powder was used to replace and remove copper, then oxidizer was added to the filtrate after the copper was immersed to remove iron, and finally the alkali solution was added to adjust the pH value and precipitation to remove iron and aluminum.

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The adjustment of the pH value of the alkali liquid species, the actual effect of aluminum removal is poor. Because it is difficult to ensure the quality of products, the secondary depth of aluminum removal is needed, and the loss of valuable components is more. Therefore, new PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC methods to recover iron-aluminum elements from ternary lithium-ion batteries need to be explored.

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