At present, mobile battery residue is classified as electronic waste, and the amount of waste treatment is increasing. At present, battery residue is mainly landfilled or incinerated, which causes pollution to health and environment. According to the research, some batteries can be recycled, but the recycling of batteries has not been paid enough attention at present. The purpose of this study is to recover lithium ion from battery residue, formulate the process of recovering lithium from battery residue, and use environmentally friendly substances or solvents to start with battery separation and size reduction. 25ml/l, circulating for 20min minutes at 70°C, rotating speed at 300 rpm, solid-liquid ratio at 25g/l, precipitating with 5ml/l sodium bicarbonate for 4 hours at 95°C, rotating speed at 300 rpm.
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