Plant for recycling of lithium ion battery

Based on the material characteristics of the positive and negative structure of lithium battery and its constituent materials copper and carbon powder, the recycling plant for recycling of lithium battery adopts a combination of hammer crushing, vibratory screening and airflow sorting process to separate and recycle the negative constituent materials of lithium battery. Application scope: lithium battery positive and negative, 18650 lithium battery, cylindrical lithium battery, ternary lithium battery, end-of-life automotive lithium battery, lithium iron phosphate battery, power lithium battery and other waste lithium batteries.

Lithium battery is mainly composed of shell, positive, negative, electrolyte and diaphragm, which is composed of lithium cobaltate powder coated on both sides of the aluminum foil collector through PVDF that plays a bonding role; negative structure is similar to positive, composed of carbon powder bonded to both sides of the copper foil collector. Lithium-ion battery has the significant advantages of high voltage, high specific capacity, long life and no memory effect, etc. Since its commercialization, it has rapidly occupied the power source market of portable electronic and electrical equipment, and the output is increasing year by year. With a service life of about 2 years, the end-of-life lithium batteries, such as improper disposal, the lithium hexafluorophosphate, organic carbonate and cobalt, copper and other heavy metals contained in them will certainly pose a potential pollution threat to the environment. On the other hand, the cobalt, lithium, copper and plastic in waste lithium batteries are valuable resources with high recovery value. Therefore, the scientific and effective treatment of waste lithium batteries not only has significant environmental benefits, but also has good economic benefits.

At present, the research on the resourceization of waste lithium batteries mainly focuses on the recovery of high-value positive precious metals cobalt and lithium, and the separation and recovery of negative materials is rarely reported. In order to alleviate the increasingly serious problem of resource shortage and environmental pollution caused by rapid economic development, it has become a global consensus to recycle all components of waste materials.

The copper in the negative of waste lithium battery (content of about 35%) is an important production material widely used, and the carbon powder adhered to it can be used as an additive for plastics and rubber. Therefore, the effective separation of waste lithium battery negative constituent materials to realize the resourceization of waste lithium batteries and eliminate their corresponding environmental impact has a driving role. Commonly used methods for waste lithium battery resource recovery include hydrometallurgy, pyrometallurgy and mechanical-physical methods. Compared with wet and pyro-metallurgical methods, the mechanical-physical method does not require the use of chemical reagents and consumes less energy, which is an environmentally friendly and method. Based on the negative structure characteristics of lithium batteries, the waste lithium battery recycling equipment uses a combination of crushing and screening and airflow sorting process to separate and enrich them to achieve the separation and recovery of waste lithium battery negative copper, aluminum and carbon powder.

Waste lithium battery recycling equipment crushing process equipment for processing lithium-ion batteries simplifies the traditional recycling process of positive and negative materials in waste lithium-ion batteries, without adding any chemicals and without considering the problem of new pollutants, Jiu Dong environmental protection provides a complete set of lithium battery crushing equipment processing process equipment flow line to achieve sustainable development of waste lithium-ion batteries, so separation and recycling of waste lithium-ion batteries in Positive and negative metal utilization is a promising prospect.

Lithium battery recycling equipment working principle.

Discharge: set up a discharge facility in the workshop to release the power in the used lithium batteries and spread out the discharged batteries to dry naturally.

Dismantling: dismantling the used lithium battery by a combination of manual and machine, separating the dismantled shell, aluminum foil, copper sheet, etc. according to the material.

Crushing: The dismantled battery materials containing metals are crushed for subsequent processing. The crushing facility is equipped with a dust collection device, so there is no pollution to the outside world.

Separation: The crushed battery material pieces and black powder are separated, and the copper and aluminum foil metal is separated from the black powder to achieve 99.8% purity.

SUNY GROUP lithium battery crushing and processing process equipment device uses physical method to achieve the separation and collection of the components in the battery, using fully automated physical machine recovery process without introducing any chemical reagents, with high efficiency of electrolyte recovery, dust is effectively collected, with green low-carbon, environmental protection and energy saving, easy to industrialize and other characteristics.