The function and characteristics of lithium iron phosphate battery in integrated solar street lamp? Comparison and difference with other batteries?

The positive electrode materials of lithium-ion batteries mainly include lithium cobaltate, lithium manganate, lithium nickelate, ternary materials, lithium iron phosphate, and the like. The lithium iron phosphate battery refers to a lithium-ion battery using lithium iron phosphate as a positive electrode material.

Improvement in safety performance:
The P-O bond in the lithium iron phosphate crystal is stable and difficult to decompose, and does not collapse or heat like a lithium cobaltate or form a strong oxidizing substance even at a high temperature or overcharge, and thus has good safety.

Life improvement:
The long-life lead-acid battery has a cycle life of about 300 times, and the highest is 500 times. The lithium iron phosphate power battery has a cycle life of more than 2000 times, and the standard charge (5-hour rate) can be used up to 2000 times.


High-temperature performance:
The peak temperature of lithium iron phosphate can reach 350 ° C -500 ° C while lithium manganate and lithium cobaltate are only around 200 ° C. Wide operating temperature range (-20C--+75C), high-temperature resistance, lithium iron phosphate electric heating peak up to 350 °C-500 °C and lithium manganate and lithium cobaltate only around 200 °C.

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High capacity:
5AH-1000AH (single)

No memory effect:
The lithium iron phosphate battery does not have this phenomenon, no matter what state the battery is in, it can be used with the charge, no need to discharge and recharge first.


Lightweight and small size:
The volume of the lithium iron phosphate battery of the same specification capacity is 2/3 of the volume of the lead-acid battery, and the weight is 1/3 of the lead-acid battery.

Environmental protection:
The battery is generally considered to be free of any heavy metals and rare metals (Ni-MH batteries require rare metals), non-toxic (SGS certified), non-polluting, in line with European RoHS regulations, is an absolute green battery certificate.