The Function and Advantages of Charging and Discharging Aging Test of Lithium Battery PACK
With the rapid development of the battery industry, the definition of battery aging has quietly changed. Due to the high requirements for batteries, theoretically, the four steps of battery cell forming, capacity separation, testing, and aging require battery aging, and battery aging cabinets are also required in the PACK assembly line.
The battery aging cabinet, as the name suggests, is an important equipment for the battery aging process. The quality of battery aging determines the safety, stability, service life and battery performance of the battery in actual use. Therefore, battery pack testing machine is the core equipment in the battery quality control process.
The role of lithium battery charging and discharging
First, it can make the infiltration of the electrolyte better, which is conducive to the stability of the performance of the lithium battery pack.
Second, after the active materials in the positive and negative electrode materials are aged, some side effects can be accelerated, such as gas production, electrolyte decomposition, etc., so that the electrochemical performance of the lithium battery pack can be quickly stabilized.
Third, the consistency screening of lithium battery packs can be performed after a period of aging.
Advantages of charging and discharging aging tests on lithium batteries
1.Improve product reliability
The first reason for aging the battery pack is to improve the reliability of the product, so far there is no other alternative.
2.Predict the service life of the product battery pack
The aging test is mainly a high-current discharge aging test that simulates various harsh conditions of the product battery pack in the actual use process, and at the same time reasonably predicts the service life of the product according to the requirements of use.
3.To achieve a satisfactory pass rate
The aging test is to achieve a satisfactory pass rate, and almost all products must undergo aging before leaving the factory.
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