Significance for recycling of waste power phosphate battery recycling.lithium ion golf cart batteries Manufacturing

　　Because lithium iron phosphate power batteries have the advantages of higher energy, long cycle life, and good safety performance, they are widely used on various electric vehicles, and the average service life of lithium iron phosphate power batteries is about 3 years. Behind production means that a large number of abandoned iron phosphate batteries are generated every year.

　　Lithium iron phosphate power battery composition mainly includes positive chips, negative chips, electrolytes, and diaphragm. The production of orthopedics is to mix lithium iron phosphate, conductive, adhesive, and acetylene black, and then coated on aluminum foil. The negative electrode is mainly mixed with activated carbon materials and adhesives. Made in the foil, the electrolyte in the battery is mainly composed of organic solvents and electrolyte lithium salts. The diaphragm is mainly polyolefin microres.

　　After disassembly waste batteries, they can mainly obtain metal shells, aluminum foils, copper foils, plastic diaphragms, metal shells and plastic diaphragms are uniformly recovered and specialized, while aluminum foil and copper foil sheets are different. Resource recovery.

　　At the same time, before processing the electrodes of lithium iron phosphate battery, the corresponding pre -processing needs to be performed according to its internal composition characteristics, which mainly includes discharge of battery residual electricity capacity, battery disassembly, and metal shell crushing.

　　During discharge processing, different types of batteries are used to use different processing methods. Small batteries with less electrical capacity can be used to lose the battery by soaking the electrolyte. The medium and large batteries such as power batteries may be relatively large because their residual power may be relatively large. Usually, discharge equipment is used for discharge processing, and the battery is disassembled after the power is exhausted. The waste batteries are treated under the low temperature conditions generated by liquid nitrogen, so that they are disassembled after the loss.

　　At present, laboratory trials are often hand -disassembled and divided into positive and negative poles, and then recycling separately. In addition, some scholars adopt the method of crushing the battery as a whole, and then separate according to the physical characteristics of the material composition material after being completely crushed.

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