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Is lithium battery better than ternary or lithium iron phosphate? Advantages and disadvantages of lithium iron phosphate battery and ternary lithium battery
Release time:
2023-11-10 16:47
ThreeYuanLithium batteries and lithium iron phosphate batteries each have their own advantages. In the case of similar prices, you can choose according to the vehicle environment. If the local climate is relatively cold, then choose ternary lithium battery. Because the low temperature performance of the ternary lithium battery is good, even in the weather of minus 20 degrees, the heating performance can still reach more than 70%.
On the contrary, if the local climate is relatively hot, then you can choose lithium iron phosphate batteries. Because the lithium iron phosphate battery has good heat resistance, the thermal runaway temperature can reach more than 800 degrees, and spontaneous combustion will not occur in hot areas. The thermal runaway temperature of lithium batteries is only about 200 degrees, which is dangerous for hot areas.
As for the service life, the lithium iron phosphate battery will indeed be longer than the ternary lithium battery, but there is no need to worry about it. Because for family cars, whether it is a ternary lithium battery or a lithium iron phosphate battery material, the rated life of the power battery is far from the actual user's habits.
The advantages and disadvantages of lithium iron phosphate batteries and ternary lithium batteries
1. Energy density: The energy density of ternary lithium is about 1.7 times that of lithium iron phosphate, so the volume and weight of ternary lithium batteries will be smaller than that of lithium iron phosphate batteries, and the car load will be smaller.
2. Safety performance: Lithium iron phosphate batteries will perform better in the acupuncture test, and in high temperature environments, the stability will be much better than ternary lithium batteries, which also means that the natural proportion of ternary lithium batteries Larger.
3. Service life: In the process of power decay from 100 to 80%, the charge and discharge cycle life of lithium iron phosphate battery can reach more than 3500 times, while that of ternary lithium battery is only about 2500 times. And under the same number of cycles, the remaining capacity of the lithium iron phosphate battery will be more than that of the ternary lithium battery.
4. Low temperature performance: The limit working temperature of lithium iron phosphate battery is minus 20 degrees, while the ternary lithium battery is minus 30 degrees, and in the same low temperature environment, the attenuation of lithium iron phosphate battery will be higher than that of ternary lithium battery.
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