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Advantages of Lithium Iron Phosphate Cells over Other Batteries

Lithium iron phosphate cells and manganese acid lithium, cobalt acid lithium and ternary lithium cells are the branch of lithium ion batteries. Its performance is mainly suitable for power applications. It is called lithium iron phosphate power cell, also known as lithium iron cell.


Therefore, the advantage of lithium iron phosphate cells mainly refers to the comparison with other battery in power applications, which will mainly compare them with the relative advantages of ternary lithium batteries and lead-acid cells.


Ⅰ. High-temperature resistance of lithium iron phosphate cells over ternary lithium batteries


The high-temperature performance of lithium iron phosphate cells is better, which can resist the high temperature of 350℃ to 500℃. And manganese acid lithium and cobalt acid lithium are usually only about 200℃, and the material of the modified ternary lithium batteries is decomposed at 200℃.


Ⅱ. Lithium iron phosphate cells have longer life


The cycling life of lithium iron phosphate cells for sale is longer than that of lead-acid cells and ternary lithium batteries, and "long life" in lead-acid cells is only 300 times, and the most is 500 times.


The ternary lithium batteries can reach 2000 times. It is actually applied to about 1,000 and capacity attenuates to 60%. The real life of lithium iron phosphate cells is up to 2000 times, and 95% of capacity remains, and the cycling life is more than 3000 times.


Ⅲ. Lithium iron phosphate cells have more advantages than lead-acid batteries


1. Large capacity


The monomer can be made into 5Ah-1000Ah (1Ah=1000 mAh), and the lead-acid battery 2V monomer is usually 100Ah-150Ah, whose variation section is small.


2. Lightweight


The volume of lithium iron phosphate cells with the same capacity is 2/3 of the lead-acid battery volume, and the weight is 1/3 of the latter.


3. Fast charge ability


The starting current of lithium iron phosphate cell is up to 2C, achieving high rate charging. Lead-acid battery current generally requires between 0.1C and 0.2C, and cannot achieve fast-charge performance.


4. Environmental protection


The lead-acid battery has a large amount of heavy metal, such as lead, producing waste liquid. The lithium iron phosphate cell does not contain any heavy metals and has no pollution in production and use.


5. High-cost performance


Although the lead-acid battery is inexpensive, its purchase fee is lower than that of the lithium iron phosphate cells. But it is less economical than the lithium iron phosphate cell in service life and daily maintenance. The actual application results show that the cost price of lithium iron phosphate cells is 4 times more than the lead-acid battery.


The application of lithium iron phosphate cells is mainly based on the direction of power, but in theory, it can also extend to more fields, which is determined by the various advantages shown in the above comparison.


If the energy density and discharge ratio is increased, the traditional application of lithium iron phosphate cells into other types of lithium batteries is also entirely possible.

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