From The Limiting Factor.

Raw video from the teardown of Tesla’s Generation 2 4680, aka the ‘Cybercell’ with myself and Weikang Li and Weiliang Yao of UC San Diego. The specs and full results will come in a few weeks.

Thanks to Shirley Meng for organizing the funding!

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*Timeline*
00:00 Introduction
02:19 Pre-Teardown Chitchat
03:14 Pipe Cutter to Open the Cell
03:51 Copper Foil of the Anode // No Current Collector
05:21 Peeling the Can // It’s Thinner
05:51 Welded // No Gasket
06:16 Aluminum Foil of the Cathode // New Current Collector
08:15 Brainstorming on Current Collectors and Resistance
08:54 I Request Jelly-Roll vs Cell Can Weight
09:53 Nothing Surprising with the Jelly-Roll
10:39 Gen 1 vs Gen 2 Jelly-Roll Comparison
12:13 Cathode Jelly-Roll Measurements // Similar
12:59 Anode Jelly-Roll Measurements // Similar
13:34 Weight the Parts // Cell Can is ~20g Lighter!
14:39 Cell Can Measures ~10% Thinner (actually 33% as per the intro!)
16:59 Discussion About What’s Next for Testing

Intro Music by Dyalla: Homer Said