Method for recovering valuable metals from waste lithium manganese oxide battery
A technology of old lithium manganate and valuable metals, which is applied in the field of waste power battery recycling, can solve the problems of high technical difficulty, difficulty in ensuring batch consistency and complexity of recycled preparation materials, and achieve simple process, low cost, and metal The effect of high purity
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[0025] Example 1:
[0026] Such as figure 1 As shown, the method for recovering valuable metals from waste lithium manganate batteries of this embodiment includes the following steps:
[0027] A: First use special discharge equipment to discharge the waste lithium manganate battery, remove the outer packaging and shell of the battery with a shear or cutting machine, take out the battery core, and use a shredder to crush the waste lithium manganate battery cells to 0.5~5cm 2 Size fragments
[0028] B: Soak the cell fragments with N,N-dimethylformamide organic solvent, the solid-liquid ratio of cell fragments to solvent is 0.05~1kg / L, and perform mechanical stirring and intermittent ultrasonic vibration treatment at the same time, soaking time is 5 hours ;
[0029] C: After the cell fragments after immersion treatment are separated from the solvent by filtration, they are washed, filtered, dried and screened by vibration, and clean aluminum, copper, nickel foil and diaphragm are obtai...
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