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Written by Ben Pfaff on 2024-08-18 at 17:03

When I see photos of EV batteries, they're cylindrical, like AA batteries. Why? Wouldn't a shape that tesselates pack better?

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Written by ggdupont on 2024-08-19 at 06:16

@blp from what I remember from my brief experience in the battery industry: the form factor is mostly optimised for an easy production process.

The loss is packing space is usually used to manage temperature (i.e. not fully lost space)

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