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What is the number of Li-ion battery life cycles?
Release time:
2021-10-25
The frequency of the circulation system of rechargeable batteries is different from that of fake and inferior rechargeable batteries. Fake and inferior rechargeable batteries are designed, manufactured and manufactured according to the frequency of the circulation system in the instructions of the rechargeable battery manufacturer, while the frequency of the circulation system of fake and inferior rechargeable batteries is sometimes not easy to appear within 50 times.
According to the quality of rechargeable batteries and lithium battery materials, clear lithium-ion battery life cycle times:
1. ternary material lithium ion battery can cycle about 800 times.
The cycle frequency of the 2. lithium iron phosphate battery is about 2500 times.
The frequency of the circulation system of 3. rechargeable batteries is different from that of fake rechargeable batteries. Fake rechargeable batteries are designed, manufactured and manufactured according to the frequency of the circulation system in the instructions of the rechargeable battery manufacturer, while the frequency of the circulation system of fake rechargeable batteries is sometimes not easy to appear within 50 times.
The basic theoretical service life of the ternary lithium battery is about 800 cycles, which is in the middle of the commercial rechargeable lithium battery. Lithium iron phosphate battery has about 2000 times, and lithium titanate can complete the 10000 cycle system. Today's popular manufacturers of lithium batteries have promised more than 500 times of service in their ternary cell specifications. However, due to consistency problems, it is very important that the working voltage and internal resistance cannot be completely consistent, and the service life of the circulation system is about 400 times after the lithium battery cells are matched into lithium battery packs.
Under normal circumstances, the frequency of the circulation system of the ternary lithium battery is about 500~1000 times. Assuming that the new energy vehicle travels 300km in a detailed circulation system, it also means that the frequency of the circulation system of the rechargeable battery will be exhausted after 150,000~300,000 kilometers.
There are many elements that endanger the service life of the lithium battery cycle system, but the direct reason is that the total number of lithium iron phosphate participating in the kinetic energy transmission continues to decrease. It must be emphasized that the total output of lithium elements in rechargeable batteries has not decreased, but less and less lithium iron phosphate has been activated. They are restricted to other places or in the safe channels of thematic activities, and cannot participate in the whole charging process of circulatory system batteries at will. Therefore, we only need to understand the trend of lithium iron phosphate, which should have participated in the redox reaction, to understand the principle of volume reduction, and to take certain effective measures purposefully to slow down the development trend of lithium battery volume reduction and increase the service life of its circulation system.
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