![]() ![]() These days, most laptops are too thin to house cylinder cells, so they use lipo pouch cells instead. Originally, cylindrical cells were used in laptops. This makes them a lot safer and easier to work with. Unlike many other battery formats, the cylinder cell does not swell. Compared to prismatic cells, cylindrical cells are small and can be easily packed into just about any shape.Īlso, because of their small size, several canister cells can be put in series to achieve far higher voltages than would be provided by a single prismatic cell taking up the same space. What Are Cylindrical CellsĪ cylindrical cell is a battery cell that is encased in a strong metal canister. We will also briefly dive into the main differences between the two types of cells. In this article we will explain which is best for a particular application cylindrical or prismatic cells. Also, there are more chemistry options when using cylindrical cells, as prismatic cells are almost exclusively LiFePO4 batteries. Cylindrical cells are, however, much less expensive and a lot easier to get a hold of compared to prismatic cells. Prismatic cells offer nearly 100 percent packing efficiency in square and rectangular battery compartments. While the hexagonal packing of cylindrical cells nets a 90.69% packing efficiency, a 10 percent loss is a lot to cope with. There are several factors, however, that once taken into consideration, paint a picture of a prismatic future.Ĭylindrical cells take up more space than prismatic cells because they are round. The cylindrical format has been the most popular type of battery cell because it is the lowest cost and fastest to produce. ![]() There are cylindrical cells, prismatic cells, and pouch cells. Cylindrical or prismatic cells? Which is the best option? When it comes to lithium batteries, there are 3 physical formats. ![]()
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