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Part 1: Tesla 4680 Teardown // Cell Disassembly // 4 hours in 1 hour
Part 1 of the Tesla 4680 Teardown where the cell is disassembled. The teardown took 4 hours and this video compresses that down to 1 hour. The data/characterization will be coming soon. The video is timestamped so you can jump around! Who loves you? ?
***Thanks to to Teardown Team at the LESC at UC San Diego!***
Weikang Li (me) (caption)
Yijie (Jackie) Yin (chief officer)
Varun Gupta (2nd officer)
And of course Shirley Meng for making it happen ?
***Thanks to COREY CODDINGTON for driving 40 hours round trip to deliver the cell from @HyperChange to UC San Diego!***
Patreon: https://www.patreon.com/thelimitingfactor
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*Timeline*
00:00 Introduction
03:02 Prep
04:19 Voltage Check (OCV)
05:17 Creating a Cut
07:04 Comments on Toughness
07:50 Prying Access to the Copper/Anode
13:17 Copper/Anode Finally Opens
16:31 Removing the Tabless Cover (Flower/Hubcap thing)
19:21 Tabless Electrode Exposed (Copper)
23:33 Cutting the Side Wall
27:57 Jelly Roll Removed and Tabless Electrode (Aluminum)
30:15 Removing Tape Wrap
31:45 No Tabless on Outer Wraps
33:45 Cleaning Up the Glovebox and Collecting Electrolyte Crystals
36:49 A Quick Look at the Aluminum ‘Flower’
37:48 Collecting Electrolyte, Cleaning, Unwrapping Jelly Roll
41:34 Notes on the Cathode
42:30 Folding Cathode
42:56 More Notes on Cathode
43:48 Folding and Measuring Anode
47:44 Cathode and Anode Lengths
47:59 Measuring Width (roughly 70mm)
49:25 Decision to Cut a Piece and Measure Outside Glovebox
49:31 Cutting a Piece
50:42 Discussion on Length and Cutting Coin Cells
52:33 Closing Notes on Day 1
53:37 Day 2 Start – General Discussion About Structure
57:43 Cutting Open the Sidewall to Access the Aluminum Top
01:01:17 Discussion of the Button, Plastic, Aluminum ‘Flower’
01:02:37 Attempting to Deconstruct Aluminum Top Further
01:04:34 More Discussion of the Button, Plastic, Aluminum ‘Flower’
01:06:45 Cutting a Piece of the Sidewall
01:07:29 Sidewall Thickness
01:08:24 Measuring the Thickness of Other Pieces
01:10:40 Comparing the Aluminum and Copper ‘Flower’
01:11:29 The Cell Can is Structural
01:12:19 When Can We Expect Results?
Long Road – Futuremono (YT Free Music)
Dance of the Mammoths - The Whole Other (YT Free Music)
Arp Ascent – DivKid (YT Free Music)
Pizzicato Traveling (Premium Beat)
Chilltronic – RKVC (YT Free Music)
Sad Past - Silent Partner (YT Free Music)
Metamorphism (Premium Beat)
Secret-universe (Premium Beat)
Ocean View – Dyalla (YT Free Music)
Dark Planets (Premium Beat)
#BattChat #BatteryTwitter
Intro Music by Dyalla: Homer Said
...
https://www.youtube.com/watch?v=S7fzvO5Ngbo
***Thanks to to Teardown Team at the LESC at UC San Diego!***
Weikang Li (me) (caption)
Yijie (Jackie) Yin (chief officer)
Varun Gupta (2nd officer)
And of course Shirley Meng for making it happen ?
***Thanks to COREY CODDINGTON for driving 40 hours round trip to deliver the cell from @HyperChange to UC San Diego!***
Patreon: https://www.patreon.com/thelimitingfactor
Paypal: https://www.paypal.com/paypalme/limitingfactor42069
Bitcoin: 3B3UXCZsnoPZxG6vYQ6npsF4TW8f5kK4LH
Teespring: https://teespring.com/stores/the-limiting-factor
Reddit: https://www.reddit.com/r/TLFBatteries/
Twitter: https://twitter.com/LimitingThe
*Timeline*
00:00 Introduction
03:02 Prep
04:19 Voltage Check (OCV)
05:17 Creating a Cut
07:04 Comments on Toughness
07:50 Prying Access to the Copper/Anode
13:17 Copper/Anode Finally Opens
16:31 Removing the Tabless Cover (Flower/Hubcap thing)
19:21 Tabless Electrode Exposed (Copper)
23:33 Cutting the Side Wall
27:57 Jelly Roll Removed and Tabless Electrode (Aluminum)
30:15 Removing Tape Wrap
31:45 No Tabless on Outer Wraps
33:45 Cleaning Up the Glovebox and Collecting Electrolyte Crystals
36:49 A Quick Look at the Aluminum ‘Flower’
37:48 Collecting Electrolyte, Cleaning, Unwrapping Jelly Roll
41:34 Notes on the Cathode
42:30 Folding Cathode
42:56 More Notes on Cathode
43:48 Folding and Measuring Anode
47:44 Cathode and Anode Lengths
47:59 Measuring Width (roughly 70mm)
49:25 Decision to Cut a Piece and Measure Outside Glovebox
49:31 Cutting a Piece
50:42 Discussion on Length and Cutting Coin Cells
52:33 Closing Notes on Day 1
53:37 Day 2 Start – General Discussion About Structure
57:43 Cutting Open the Sidewall to Access the Aluminum Top
01:01:17 Discussion of the Button, Plastic, Aluminum ‘Flower’
01:02:37 Attempting to Deconstruct Aluminum Top Further
01:04:34 More Discussion of the Button, Plastic, Aluminum ‘Flower’
01:06:45 Cutting a Piece of the Sidewall
01:07:29 Sidewall Thickness
01:08:24 Measuring the Thickness of Other Pieces
01:10:40 Comparing the Aluminum and Copper ‘Flower’
01:11:29 The Cell Can is Structural
01:12:19 When Can We Expect Results?
Long Road – Futuremono (YT Free Music)
Dance of the Mammoths - The Whole Other (YT Free Music)
Arp Ascent – DivKid (YT Free Music)
Pizzicato Traveling (Premium Beat)
Chilltronic – RKVC (YT Free Music)
Sad Past - Silent Partner (YT Free Music)
Metamorphism (Premium Beat)
Secret-universe (Premium Beat)
Ocean View – Dyalla (YT Free Music)
Dark Planets (Premium Beat)
#BattChat #BatteryTwitter
Intro Music by Dyalla: Homer Said
...
https://www.youtube.com/watch?v=S7fzvO5Ngbo
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