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Why battery the prismatic Liion cell is the best choice(1)?

Why battery the prismatic Liion cell is the best choice(1)?
Why battery the prismatic Li-ion cell is the best choice(1)?

The disadvantage of the prismatic cell is slightly lower energy densities compared to the cylindrical equivalent. In addition, the prismatic cell is more expensive to manufacture and does not provide the same mechanical stability enjoyed by the cylindrical cell.


To prevent bulging when pressure builds up, heavier gauge metal is used for the container.

The manufacturer allows some degree of bulging when designing the battery pack. The prismatic cell is offered in limited sizes and chemistries and the capacities run from about 400mAh to 2000mAh. Because of the very large quantities required for mobile phones, custom prismatic cells are built to fit certain models. If the design requirements demand less than 4 mm, the best (and perhaps the only choice) is Li-ion polymer.

This is the most expensive option. The cost-to-energy ratio more than double. The benefit of this architecture is strictly slim geometry. There is little or no gain in energy density per weight and size over the 18650, even though the metal housing has been eliminated. More info: www.good-battery.com

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