Lithium phosphate battery that can work normally at 40 degrees

source:other news release time:2023-05-16 Hits: Popular:Lithium-ion battery wholesale

I believe that many friends know that the lithium iron phosphate battery has two great advantages compared to the ternary lithium battery, that is, the cycle life and energy density. Under the experimental conditions, after 5,000 lithium iron phosphate batteries cycle, the remaining capacity is 84%, and the initial capacity of more than 80%after 1c cycle is 5,000 times; after 3900 times of ternary lithium battery cycle, the remaining capacity is only 66 left 66 remaining. %, 1C cycle after 2500 times, dropped to 80%of the initial capacity. In addition, the energy density of lithium iron phosphate battery is 120Wh/kg, which has basically reached the ultimate theory, while the energy density of the ternary battery is 180Wh/kg, and there will be a lot of room for improvement in the future.

However, the only place in the only beauty of lithium iron phosphate batteries is that the low temperature effect is particularly bad. At low temperature conditions (temperature below -10 ° C), lithium iron phosphate batteries have declined very quickly. After less than 100 charging and discharge cycles, the battery capacity will drop to 20%of the initial capacity. Essence

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The development of traditional lithium-ion battery pack technology is slow, and the space for furthe