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Lithium Iron Phosphate - LiFePO₄

Sep. 25, 2021Canada

Lithium iron phosphate (LFP) is an inorganic compound with the formula LiFePO4. It is a gray, red-grey, brown or black solid that is insoluble in water. The material has attracted attention as a component of lithium iron phosphate batteries, a type of Li-ion battery. This battery chemistry is targeted for use in power tools, electric vehicles, solar energy installations and more recently large grid-scale energy storage. It is also used in OLPC XO education laptops.

LFP batteries have an operating voltage of 3.3 V, charge density of 170 mAh/g, high power density, long cycle life and stability at high temperatures. LFP's major commercial advantages are that it poses few safety concerns such as overheating and explosion, as well as long cycle lifetimes, high power density and has a wider operating temperature range. Power plants and automobiles use LFP.

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