How to recycling the pole powder material on lithium-ion batteries

Release Time：2022-11-21 Source：Lithium Battery Recycling Machine Share：

        Based on the structure of lithium-ion battery powder and its constituent materials copper, aluminum and the material characteristics of the positive and negative materials, a combination of hammer vibration crushing, vibratory screening and airflow sorting process is used to separate and recover the positive and negative constituent materials of waste lithium batteries. The advantages of using this process are as follows

Advantages of the process (the main promotion process) ;

        1. Inert gas protection crushing and volatilization, no explosion risk, to ensure production stability, safety and environmental protection, and charged in volatile cracking when the discharge heat to achieve the re-use of electricity, but also to reduce the discharge equipment input.

        2. Highly closed production, without any exhaust gas and dust leakage, to ensure the personal safety of the operator;

        3. Full resource utilization, plastic diaphragm and metal sorting out all kinds of utilization: evacuated waste gas heat volatile gas, each sorting excess waste gas and cracking gas for comprehensive combustion for heating, combustion tail waste heat electrolyte volatile reuse, combustion tail gas by simple treatment to meet the standard discharge, a variety of resources to be comprehensive and reasonable use.


 
        4. Because of the presence of oxygen-free cracking and chlorine-free, there is no dioxin generation, simple combustion tail gas treatment, low investment in waste gas treatment, low treatment cost, no need to increase the heat storage and combustion equipment.

        5. The volatile pyrolysis of lithium hexafluorophosphate (LIPF6) produces hydrogen fluoride, and the anhydrous hydrogen fluoride reacts with Fe, Al, Ni, Mg and other metals to form a protective film of fluoride insoluble in chlorine fluoride, so the solid and gaseous hydrogen fluoride is not corrosive.

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