Zhengzhou Zhengyang Machinery Equipment Co., Ltd

Positive and negative electrode sheet processing system and process for lithium battery processing equipment

2020-08-26

Lithium battery processing equipment is also known as lithium battery pole piece processing equipment: Lithium batteries are mainly composed of a shell, a positive electrode, a negative electrode, an electrolyte and a diaphragm.

The positive electrode is formed by coating lithium cobalt oxide powder on both sides of the aluminum foil current collector through PVDF that has a bonding effect;

The structure of the negative electrode is similar to that of the positive electrode, consisting of carbon powder bonded to both sides of the copper foil current collector.

Lithium Battery Recycling Machine

Lithium Battery Recycling Machine

Lithium-ion batteries have significant advantages such as high voltage, large specific capacity, long life and no memory effect.

Since its commercialization, it has quickly occupied the power source market for portable electronic and electrical equipment, and its output has increased year by year.

The service life is about 2 years. If the discarded lithium battery is improperly handled, the lithium hexafluorophosphate, carbonate organic matter, cobalt,

Heavy metals such as copper will inevitably pose a potential pollution threat to the environment. On the other hand, cobalt, lithium, copper and plastics in waste lithium batteries are precious resources.

Has a very high recycling value. Therefore, scientific and effective treatment of waste lithium batteries not only has significant environmental benefits, but also has good economic benefits.

Principle of lithium battery processing equipment: The lithium battery processing equipment uses shredding equipment to shred the shell of the raw materials, and then crushes it to less than 10mm through a coarse shredder.

Then it enters the particle pulverizer for stripping and crushing, and then enters the micro powder classifier for separation treatment, and the tail ash is collected by the downstream cyclone separator and pulse dust collector.

This waste lithium battery positive and negative electrode sheet processing equipment is based on the positive and negative electrode structure of the lithium battery and the material characteristics of the constituent materials copper and carbon powder.

The combined process of hammer crushing, vibrating screening and airflow sorting is used to separate and recover the negative electrode constituent materials of waste lithium batteries. The complete set of equipment operates under negative pressure.

There is no dust leakage, and the metal separation effect is good.

Performance characteristics of lithium battery processing equipment:

1. The recycling of waste lithium batteries makes it play a greater economic benefit.

2. The recycling and sorting technology of lithium battery processing equipment improves the recycling efficiency of lithium batteries and achieves automatic sorting technology.

3. Lithium battery processing equipment can recycle all kinds of waste lithium batteries, including soft packs, plastic shells, hard shells, steel shell lithium batteries, etc.

In the past, the disposal of waste lithium batteries has always been a difficult problem. Poor disposal may cause harm to the environment and human body.

But now the use of lithium battery processing equipment effectively solves this problem. Not only does its processing do not harm the environment, but also the copper and aluminum recovered through the equipment

And other precious metals can be reused, greatly reducing the consumption of energy materials, and its use conforms to the current development trend of environmental protection.

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