Posts Tagged ‘4680’:

2021-09-01 Tab Vs Tabless Cell Design

From FB TSLA Shareholders group discussion about why the big 4680 cells need their design to be tabless for fast charging. Jeffrey Levine From what I’ve found, the reason why the 18650 cells are capable of handling the highest current is that the ‘jellyroll’ is shorter than 2170 or larger cells. A single tab handles

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2020-11-17 Tesla Batteries And Supply Constraints

The manufacturing of Electric Vehicles and grid scale storage are constrained by the amounts of batteries that can be supplied by the battery makers around the world. The early Tesla EVs used the ubiquitous 18650 lithium ion cells, something like 6000 per vehicle. In order to reduce costs and weight Tesla went to the larger

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