New energy lithium battery recycling technology process and equipment

Release Time：2022-11-19 Source：Lithium Battery Recycling Machine Share：

        The rapid development of the new energy industry has a huge impact on the environment and resource load, and poses a very big challenge to the power battery industry. General Secretary Xi Jinping proposed the goal of "double carbon", not only for environmental considerations, but also from the economic level - carbon reduction means reducing costs for the industry chain. The new energy lithium battery recycling  equipment technology can reduce the development of minerals and other resources, and recover the recyclable valuable metals and other lithium battery waste such as plastic shells, positive and negative electrode powder from the used lithium batteries. This lithium battery recycling technology is applicable to waste square batteries, round batteries and soft pack batteries.

        New energy vehicle lithium battery recycling process technology flow

        Lithium battery recycling technology includes feeding system, oxygen-poor crushing system, electrolyte oxygen-poor thermal volatilization system, sorting system, diaphragm dry cleaning system, high-speed friction decomposition system, closed screening system, specific gravity sorting system, secondary use of charged sorting electricity, volatile electrolyte, cracking gas, vacuuming, sorting and friction exhaust gas integrated combustion utilization system, exhaust gas waste heat recycling again, oxygen-free cracking system The system is used to treat and purify the exhaust gas, and to cool the cracked material.


          Lithium battery recycling technology equipment contains various systems have been tested, the stability of the operation of each equipment all do static balance and dynamic balance, can be placed directly on the plane. The equipment is automatically controlled, only 3-6 people are needed to operate, through each sorting system the material is divided into 7 categories: 1 iron, 2 positive and negative electrode powder 3 stainless steel copper block aluminum block plastic shell, 4 copper particles, 5 aluminum particles, 6 plastic film, 7 plastic type. The full set of equipment without direct combustion, chemical materials and water. It is a new process of environmental re-cycling project promoted by the state, replacing the original manual and water selection. The equipment has the characteristics of stable operation, low noise, easy installation, long life, simple operation, easy maintenance, etc.
 

 
        Finally, a lithium battery charging points of attention: do not overcharge the battery when charging


        Lithium battery overcharge will generate heat and gas, heat, including ohmic heat and heat generated by side reactions, of which ohmic heat accounts for the main. Battery side reactions triggered by overcharging, the first is the excess lithium embedded in the negative electrode, in the negative electrode surface will grow lithium dendrites (N / P ratio will affect the starting SOC of lithium dendrite growth). Secondly, excess lithium is removed from the cathode, causing the collapse of the cathode structure, giving off heat and releasing oxygen. Oxygen will accelerate the decomposition of the electrolyte, and the internal pressure of the cell keeps rising, and the safety valve opens after a certain level. The contact between the active material and air will further generate more heat.

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