Where do all the used lithium batteries end up?
Release Time：2022-11-21 Source：Battery Recycling Machine Share：
In 2022, the state has formulated a number of policies to promote power battery recycling, while also carrying out pilot work on power battery recycling in a number of cities, the purpose of which is to regulate the power battery recycling industry and do a good job of power battery recycling. It so happens that 2022 is also the point in time when new energy vehicle power batteries will enter large-scale retirement. So where did such a huge number of power lithium batteries go?
Waste power lithium battery recycling main destination: secondary use and disassembly and recycling
In addition to the huge scale of output value, the link between power battery production and recycling can also reduce the current cost of power batteries, especially the recycling of nickel cobalt manganese, copper, aluminum, lithium and other key battery metals, can help stabilize the supply and price of these raw materials. It can also avoid the environmental pollution caused by the heavy metals in power batteries due to irregular recycling.
For used power batteries, there are two main feasible treatment methods.
First, secondary use, the power battery retired from the electric vehicle, in good battery condition, can be used in power station energy storage, grid energy storage and other related fields as a carrier of electrical energy storage, to play the residual value. Poor product consistency and remaining life and battery status can not be systematically assessed
Second, disassembly and recycling, force lithium battery cathode materials are mainly lithium cobaltate, lithium manganate, lithium nickel cobalt manganate, lithium iron phosphate, etc.. Leaching with acid and alkali solutions, and then a variety of chemical procedures to extract the metal oxides. The power battery is discharged and dismantled to extract raw materials, especially the recovery of the main elements of the battery such as nickel cobalt manganese, copper, aluminum and lithium, to achieve the recycling of battery materials and reduce manufacturing costs.
At present, mainly lithium iron phosphate batteries can play the residual value through secondary use, while the ternary material batteries are due to the absence of standardized technical indicators in the early state, resulting in the uneven technical standards of the pre-production of ternary material batteries, such as for secondary use requires testing of the battery, the test process is risky, so the ternary material batteries are still mainly disassembled.
The rapid growth of new energy vehicle sales has brought a rapid rise in the amount of power battery scrap, and the battery recycling market has a bright future. In the face of the arrival of more and more used lithium batteries, it is very important to establish a set of perfect and healthy battery recycling system, which is the only way to make reasonable use of used lithium batteries, recycling, maximizing the value of batteries and also reducing the current battery manufacturing costs.
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