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EEVblog #1340 - New Tesla 4680 Battery Cell EXPLAINED

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Published on Oct 02, 2020
Dave explains why Tesla have switched from a 2170 cell to a bigger 4680 cell announced at Battery Day. What is the new tabless technology and what are the thermal cell and battery pack implications?
Discussion on Lithium Ion battery cell construction, chemistry, manufacture, thermal design, internal resistance, heat sinking, and how cylindrical cells compare to large pouch cell construction.
Tesla Patent: https://patents.google.com/patent/US20200144676A1/en?oq=20200144676
PLEASE read the pinned comment before replying.
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#Tesla #BatteryDay #4680
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