Lithium battery gradient utilization and resource recovery
Release Time：2022-11-21 Source：Battery Recycling Machine Share：
At the end of 2020, China's new energy vehicle fleet reaches 4.92 million units. In the same year, the sales of new energy passenger cars in Europe exceeded 1.367 million, surpassing China to win the global new energy sales champion in 2020. With the continuous increase of new energy vehicle ownership, power batteries will enter the stage of large-scale retirement, and the cumulative retirement of power batteries will reach 90.5 GWh in 2022. through gradual utilization can further improve the value chain of the whole life cycle of power batteries, give full play to the performance of power batteries and tap the incremental value of batteries.
As the quality of power battery improves and the number of cycles increases, the proportion of secondary use in retired batteries gradually increases. At the same time, with the continuous progress of the gradient utilization technology, the gradient utilization is developing in the direction of more safety and reliability.
So what exactly is the gradient utilization of lithium batteries?
Ladder utilization originally refers to a used product has reached the original design life, and then through other methods to restore all or part of its function of the continued use of the process, and the process belongs to the basic same level or downgrade the application of the way. "Ladder utilization" and "gradient utilization, step utilization, downgrade use" is basically the same in concept, but can not be regarded as renovation use.
The lithium battery recycling and step utilization is the high power used lithium battery, after the sub-inspection of small power use. Until the end of life. If it is not clear, such as toy cars removed from the battery, the remote control can be used again!" The ad of Nanfu battery explains in a simple and understandable way what is battery laddering. Power lithium battery capacity decay to 80%, not suitable for continued service in the vehicle, the soon to be retired power battery used in other areas such as energy storage as a carrier of electrical energy to use, so as to give full play to the residual value.
Lithium battery resource recovery is to discharge and dismantle the retired battery to refine the raw material, so as to achieve recycling.
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