New energy battery recovery into a problem dismantling process complex and safety hazard

　　Author ：Iflowpower – Portable Power Station Supplier

In recent years, my country's new energy automotive industry has ushered in the rapid rise and has become a huge market in the new energy auto industry. However, with a large number of new energy vehicles invested in the market, the flow of subsequent waste batteries and recycling problems has attracted extensive attention. Once the power lithium-ion battery is "reported", there must be relatively perfect methods to deal with it.

Otherwise, energy-saving and environmentally friendly new energy automotive industries can be very likely to suffer. The dismantling process of waste batteries is complex and safety hazards due to domestic batteries in size and structural standards, there is no uniform regulation, and now there are all domestic battery manufacturers. Since the battery system is designed to be complete, it is impossible to use the same set of dismantling flow lines, resulting in extreme inconvenience when the battery is dismantled.

If automated disassembly, the battery pack and module in the current size, the shape is different, has a high demand for the flexibility of the production line, resulting in too high cost of disposal. It is basically based on manual dismantling, and the skill level of workers directly affects battery recovery process efficiency. At the same time, since the battery pack itself has high energy, there may be a variety of security issues such as short circuit, leakage, thereby causing fire or explosion, leading to people casualties and property damage.

Therefore, we must carefully study the problem of safety and efficiency during battery pack dismantling. Battery remaining life and battery status cannot be systematically assessing the use of quality tests, including safety assessment, cycle life test, etc. Reuse.

However, if the power battery does not have a complete data record during service, the re-use process performs battery life prediction, accuracy may decline, the consistency of the battery cannot be guaranteed, and the test equipment, test fees, test time, analysis modeling, etc. Cost will increase. Due to the internal resistance, electrochemical characteristics, thermal characteristics of different batteries, the inconsistency and reliability of the battery may not be guaranteed, if some problems have not been verified during the screening process, and they will be used again, will be new Increase security risks for the entire battery system.

So, how to do fast loss and accurate detection, is the key to the trapezing utilization. Battery system integration technology is not mature due to the connection between the cells is usually laser welding or other rigid connecting processes, it is difficult to do without loss of dismantling, and the power storage battery step is most reasonable to disassemble the module level. However, battery modules produced by different batchs and even different manufacturers must be mixed in the same system.

It is necessary to consider and address the following system integration technology - Group technology: according to the material system, capacity, internal resistance, surplus cycle life, etc. Return the battery module to group and create a database. The group parameter setting is reasonable.

If the parameter setting range is too large, the module is discrete, and the system has a large system performance and life; if the parameter setting range is too small, the group is too strict, which will result in Matching small modules, system integration difficulties. System Flexible Design: Design the system structure to fully consider the size, weight, and string parallel numbers that may have different modules, so it should be a large elasticity in space, which is both compatible with different modules. Consider fastening and reliability, and consider elasticity and quick loading and unloading.

Battery recycling and then use economic owe the so-called so-called, people have no serious, there must be near worry. This is also the development of an industry. As everyone knows, my country's new energy vehicles have extremely fast, and even some people use "big leap forward" to describe.

Fortunately, more and more people have seen the short board in the development of new energy vehicles. It has seen the hidden worry, among which the powerful lithium-ion battery recycling is the hardenal injury that must face the entire industry. Pre-treatment must be carried out before the automotive power lithium ion battery recovery, including discharge, dismantling, pulverization, sorting.

After dismantling, the plastic and metal housing can be recycled, but the cost is high, because the residual voltage is still more dangerous; the battery housing is in order to safely, the package is in the form of non-disassembly, open a lot of Fiscumber. In terms of the pre-treatment link, it is definitely a competent sale. Even if the lithium ion battery, the positive material is also a five-flowers, the mainstream is lithium cobaltate, lithium manganese acid, lithium nickel-cobalt-oxanate, lithium iron phosphate, etc.

Using a solution of acid-base solution, then the metal oxide is extracted with a variety of chemical procedures. However, the ingredients of these oxides are different, and the mixture is more difficult. In advance, according to the positive electrode material, the cost is not low.

Recycling the positive metal, which is already the most profitable one of the battery recovery lines.