Advantages of ternary lithium battery:

　　1. High energy density, which can exceed 200WH/Kg; The voltage platform is high. The voltage platform is an important indicator of battery energy density, which determines the basic efficiency and cost of the battery. Therefore, the selection of battery materials is of great significance. The higher the voltage platform is, the greater the specific capacity is. It is certain that batteries with the same volume, weight and even the same ampere hour will have a longer range of life.

　　Disadvantages of ternary lithium battery

　　Low output efficiency: Tesla uses NCR18650A battery with a typical capacity of 3070mAH. The continuous discharge current can only reach 2C, and the discharge effect is best at 2C.

　　Fast capacity decay and short service life: Under the same charging and discharging current, the capacity of the battery for Tesla vehicles has declined from 0% to 100% every time. After 900 cycles, the capacity has declined to 55%. If the capacity is from 0% to 50% every time, the capacity can still maintain 70% even after 3000 cycles.

　　Poor safety: No matter which brand of ternary material lithium battery, there will be open fire after internal short circuit or positive material encounters water. Even if 18650 battery is protected by steel shell, it still cannot withstand extreme impact.

　　The elements are toxic (the temperature of the ternary lithium battery rises sharply after high power charging and discharging, and the oxygen released after high temperature is very easy to burn).

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