Electric Vehicles

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Electric Vehicles are a key part of our tomorrow and how we get there. If we can get all the fossil fuel vehicles off our roads, out of our seas and out of our skies, we'll have a much better environment. This community is where we discuss the various different vehicles and news stories regarding electric transportation.

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Contrasting a BYD Blade prismatic cell and Tesla 4680 cylindrical cell with a teardown analysis of design and performance (www.cell.com)

submitted 5 months ago by Sunshine@lemmy.ca to c/electricvehicles@slrpnk.net

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[–] Sentau@discuss.tchncs.de 4 points 5 months ago* (last edited 5 months ago) (1 children)

This is specific heating per volume. Considering that the Tesla cell has ~80% more volumetric energy density (643.3 Wh/l vs 355.3 Wh/l), if normalize the specific heating per unit of charge (instead of volume), the BYD cell is now only around 10% better.

TLDR - the Tesla cell is 1.8 times the energy density so 2 times the heating for 1.8 times the charge added.

[–] cron@feddit.org 2 points 5 months ago

Thanks for your remark. It's easy to misinterpret technical papers like this one from OP.