Decommissioned lithium battery recycling machinery technology and process

Release Time：2022-11-14 Source：Lithium Battery Recycling Machine Share：

        The battery capacity of electric vehicle power battery will gradually decay and the performance will gradually decline in the process of use. When the capacity of the power battery decays to less than 80%, it needs to be replaced with a new automotive power battery, and the retired power battery is recycled. China's new energy vehicle sales have been increasing since 2015, and then maintain a rapid growth trend, combined with the current average service life of automotive power batteries is about 5-8 years, it can be inferred that the early promotion of domestic new energy vehicles power batteries have entered the end-of-life period, and with the vigorous promotion of new energy vehicles in recent years, sales have achieved rapid growth, we expect that in the next 2-3 years power batteries will usher in a large scale retirement wave. The demand for recycling of retired power batteries is becoming more and more urgent. Doing a good job of power battery recycling, the development of new energy vehicle industry can return from "green to green".


        Retired power battery recycling technology and process Lithium battery recycling machinery  equipment

        A set of mature retired power battery recycling technology and process will reduce a lot of unnecessary environmental pollution and waste lithium battery resources can be recovered and recycled. If a large number of retired power batteries are not treated or not treated properly, they will seriously pollute the environment, endanger human health, and may also produce safety hazards. Nickel, cobalt and manganese of ternary materials and lithium iron phosphate in the positive electrode materials of power batteries are easy to react with acid to generate heavy metal ions, while nickel cobalt manganese and nickel cobalt aluminum show strong alkalinity in the aqueous environment, causing pollution to water bodies and soil; graphite powder in the negative electrode materials, because of its small particles, easy to produce dust pollution.
 


        After the treatment of lithium battery recycling treatment machinery  equipment, these materials can be sorted out

        Most of the organic solvents in the electrolyte are alcohols, which are easily absorbed by human skin and volatile inhalation, causing harm to human body; the solutes in the electrolyte, such as lithium hexafluorophosphate, are highly corrosive and can produce toxic gas hydrogen fluoride (HF) in contact with water or high temperature, which can cause irritation to human tissues, mucous membranes and upper respiratory tract through skin and breathing, and have serious corrosive effects on animals and plants. In addition, due to the large size of the end-of-life battery pack, there is a certain amount of electricity, and the materials used have certain special characteristics, in a certain temperature, humidity and poor contact conditions prone to spontaneous combustion or explosion. Therefore, for waste power batteries if not properly recycled will probably lead to more serious environmental pollution and safety hazards.

        Under the influence of the Russian-Ukrainian conflict, the price of lithium battery raw materials has risen sharply to improve the economic value of recycling used power batteries, helping to improve the profitability of recycling enterprises. In particular, the rapid rise in the price of lithium carbonate so that the original does not have the value of dismantling lithium iron phosphate can be profitable, a large number of battery recycling companies in 2021 began to layout lithium iron phosphate recycling, through the recovery of used batteries to extract lithium carbonate materials. Another perspective, China's lithium battery raw materials dependence on foreign countries is very high, the future recycling of batteries will gradually become an important source of raw material supply of power batteries, will to a certain extent to alleviate the pressure of tight supply of upstream raw materials.


        A perfect recycling system is also the key to power battery recycling. Automobile manufacturers, power battery manufacturers, scrap car dismantling enterprises, 4S stores, and power exchange mode operators will all become the main channels for power battery recycling in the future. The linkage of the whole industry chain will help improve the recycling efficiency of used power batteries, promote the increasing scale of power battery recycling and promote the benign development of the recycling industry. Domestic power battery recycling technology is also steadily improving.

        Now there are two ways to recycle retired used batteries: gradual utilization and disassembly and recycling. Regardless of which battery recycling reuse pathway is a certain positive significance to the sustainable development of the environment. Power battery recycling is a necessary solution to social and environmental issues, and is an indispensable part of promoting the sustainable development of the new energy vehicle industry. The market penetration rate of new energy vehicles continues to rise, the sales volume enters a rapid growth phase, the ownership of new energy vehicles continues to grow, and it is expected that in the next 2-3 years, the power battery will usher in a large-scale retirement wave, and the demand for recycling of used power batteries is becoming more and more urgent. China's power battery recycling industry is still in its initial stage, along with the penetration rate of new energy vehicles will continue to climb, the future development of the power battery recycling industry has huge space, it is expected that by 2025 the amount of waste power battery recycling will reach a million tons, the recycling market size of 50 billion yuan, is expected to become the next windfall industry.

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