LiFePO4 Prismatic Cells

Lithium iron phosphate(LiFePO4 or LFP) prismatic cells are a cell that encapsulates in a prismatic case. The shell of the LFP prismatic cell is mostly made of aluminum alloy, plastic and other materials. The main internal structure includes the shell, top cover, positive plate, negative plate, diaphragm and safety components. Use a  winding or stacking technique. It has the advantages of high safety, long cycle life, rate discharge, and high-temperature resistance. Its share in the global battery market reached 63.6% in the first quarter of 2022, and it is considered a new generation of lithium-ion batteries.

There is no specific length, width or height limit for LiFePO4 prismatic cells, unlike cylindrical cells such as 18650, 2170, and 4680 and shapes of different sizes can be directly produced according to different needs.

LFP prismatic cells have a reasonable space utilization rate. Even if the batteries inside the battery pack must be laid in multiple layers, they can be stacked together tightly without wasting much space.

At the same time, in terms of heat control, LiFePO4 prismatic cell has a good heat dissipation advantage because of its flat shape. Its shell can directly transfer heat outward, and the cooling system inside the battery pack can absorb and transfer the heat to the outside to reduce the probability of thermal runaway.

LFP prismatic cells are mainly used in energy storage systems and electric vehicles. They are not suitable for small devices such as e-bikes and cell phones. Therefore, they are more suitable for medium-power traction (AGV, E-mobility) and heavy-duty (marine traction) applications.

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