Today's video is to make a correction to the layers I suggested in the Tesla Tabless Electrode Patent video. It turns out that Tesla's electrodes ARE coated on both sides already.
I also provide a bit more information on my heat estimates mentioned in the last video. These estimates were a middle of the road estimate. Depending on the use case, this could be more or less heat generation.
00:00 - Introduction 00:25 - Why a separate video 00:57 - The Error 02:29 - Thoughts on heat 03:52 - The next video
Which next generation battery pack is best and are there any advantages to each design? That's the topic for today: A pack level analysis of the BYD Blade vs CATL Qilin vs Tesla 4680 Structural batteries. In short, they're all awesome packs that just happen to take different approaches based on the strategies of the companies that designed them.
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*Timeline*
00:00 Intro
02:05 Why am I Leaving out GM and Ford?
04:25 Basic Design Analysis: Blade / Qilin / 4680
05:49 Caveats and Why I didn’t Include Charge Speed
07:58 Rigidity Analysis
09:32 Energy Density
11:02 Cooling Analysis
11:42 What do I Mean by Safety?
14:20 Safety Analysis
17:27 Cost Analysis
19:43 Initial Summary Table
20:30 Full Table with Commentary
24:16 Final Table: Tesla’s Perspective
26:37 Summary
Intro Music by Dyalla: Homer Said
...
https://www.youtube.com/watch?v=bc0GxGS2x54
This video covers how the Tesla Structural Battery Pack works - the key points. The following video will cover how I think the battery pack is manufactured from the cell up.
Can Crush Video: https://www.youtube.com/watch?v=b0YJgr9u0HQ
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*Timeline*
00:00 Intro
00:58 Vehicle Structure
02:21 Conventional Pack
03:22 Structural Pack
06:53 Polar Moment of Inertia
07:51 General Layout
10:12 Modularity
11:01 Recycling
11:42 Negative Mass
13:24 Summary
#BattChat #BatteryTwitter
Intro Music by Dyalla: Homer Said
...
https://www.youtube.com/watch?v=f1Q3ccjhvqQ
In the Tesla Q3 2023 earnings call, Drew Baglino made a statement about the 4680 production ramp that contained a lot of new information. Today I’m going to break down what he said line-by-line, what the implications are for the 4680 ramp, and what the impact could be on Tesla’s Cost of Goods sold.
In short, after 3 years of waiting, it appears 4680 cell production is finally poised to deliver on the exponential growth and cell cost reductions that were teased at Battery Day.
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*Timestamps*
00:00 Introduction
01:00 4680 Production Growth Rate
02:05 Texas is now the Home of the 4680
02:41 4680 Quality Control and Cost
04:41 4680 Production Starts on Line 2 in Texas
05:48 Converting to 100% Cybertruck Cells
10:53 Phase 2 Expansion Plans
11:48 4680 Capacity Plans for all Locations
13:32 Kato Road Skunkworks
16:32 4680 Ramp // Plans vs Reality
18:23 Projecting the 4680 Production Ramp
18:59 Will the 21% Month over Month Improvement Rate Continue?
21:03 Phase 2 Aligns with my Projections
22:42 Where will the Cells be Used?
25:19 How Much will the 4680 Reduce Vehicle Cost of Goods Sold?
28:29 Closing Thoughts
Intro Music by Dyalla: Homer Said
...
https://www.youtube.com/watch?v=B_q_BzZ7FpQ
Apple's Toshiba SCIB Battery - Lithium Titanate. This livestream follows the Hyperchange Livestream where Gali broke the news!
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*Timeline*
#BattChat #BatteryTwitter
Intro Music by Dyalla: Homer Said
...
https://www.youtube.com/watch?v=DS28us0cv0A
Tesla's Q1 2023 earnings call from a battery perspective! The major topics this time around were grid storage, the progress of 4680 production, and the state of the lithium market.
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*Timeline*
00:00 Introduction
00:44 Grid Storage and Master Plan Part 3
05:40 4680 Progress - Drew's Answer Part I
06:44 Battery Day Expectations
07:49 Cell Design and Cell Factory
09:00 Anode Material
09:54 4680 Progress - Drew's Answer Part II
11:16 Lithium & Cathode Material
13:50 Dry & Wet Commissioning
14:52 4680 Progress - Drew's Answer Part III
15:35 Cell-to-Vehicle Integration
16:21 4680 Progress - Drew's Answer Part IV
16:55 Production Yields and Rates
18:39 CT Ramp & 1000 Pack/wk/qtr Goal
20:51 4680 Model Y - Take the Win
21:25 4680 Progress - Drew's Answer Part V
21:50 CT Cost Targets & Interim Summary
22:59 Lithium Cost
26:05 Quick Summary and Next Video Tease
Intro Music by Dyalla: Homer Said
...
https://www.youtube.com/watch?v=xE96zxopXIs
As a result of testing by UC San Diego, I've confirmed the 4680 uses synthetic anode. The question is, what are the implications of that? To answer that question, today I’m going to walk you through the analysis done by UC San Diego, the differences between synthetic and natural graphite anodes, why Tesla may have chosen synthetic graphite, and what that choice could mean for Tesla’s supply chain.
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*Timeline*
00:00 Introduction
01:34 Clarifying Terminology
02:31 Graphite Analysis by UC San Diego // Scanning Electron Microscope Inspection
04:46 Graphite Analysis by UC San Diego // X-Ray Diffraction
07:28 Natural vs Synthetic Anode // Production
08:51 Natural vs Synthetic Anode // Performance and Cost
10:17 Why did Tesla Choose Synthetic? // Some Perspective
11:56 Why did Tesla Choose Synthetic? // Technical and Supply Chain Reasons
19:52 Odds and Ends // Silicon, Talga, Novonix
21:22 Summary
Intro Music by Dyalla: Homer Said
...
https://www.youtube.com/watch?v=xQjXT3QoBhI
Are sodium ion batteries a viable chemistry for vehicles? Yes, but there are some catches. Today I'll run you through my analysis.
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*Timeline*
00:00 Introduction
01:15 Sodium Ion for Vehicles vs Grid Storage
03:44 Sehol E10X // Why Ultra-Compact?
05:07 BYD Seagull Example // Na vs LFP and Cost
07:30 Range of Model 3 with Sodium Ion
11:16 Sodium Ion for the ‘Robotaxi’
15:48 Sodium Ion // Projecting Market Share
18:54 Summary
Intro Music by Dyalla: Homer Said
...
https://www.youtube.com/watch?v=y3pkHZ01_wc
For extreme scaling, Tesla will need extreme volumes of raw materials. The video will explore the battery materials strategies that Tesla can use to maintain a 50% growth rate.
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*Timeline*
00:00 Introduction
02:45 Thanks to RK and BMI
03:34 The Materials Challenge
11:32 What I Mean by Strategy
12:12 The State of Nickel
15:10 Explainer: Agreement Types
16:44 The State of Nickel Continued
18:43 Nickel: First Five Strategic Lessons
23:11 Lithium: Three More Strategies
28:47 Recycling as Part of Tesla’s Strategy
32:06 CO2 Emissions as Part of Tesla’s Strategy
32:52 Full Summary and Additional Points
#BattChat #BatteryTwitter
Intro Music by Dyalla: Homer Said
...
https://www.youtube.com/watch?v=5GYobz2NSc4
Is the Tesla V4 Supercharger Megawatt Charging for the Masses? I think so, and this video I'll explain the technology involved and why the Megacharger may be a separate product.
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00:00 Intro
01:16 On Board Charging vs DC Fast Charge
02:42 Supercharger Version History
04:03 Why a Megacharger AND V4 Supercharger
09:16 1 MWh+ // Back of the Napkin Math
11:26 V4 Supercharger // Engineering for 5x Power
17:56 The Limiting Factors for Charge Rate
19:08 V4 Impact on Current Line-Up
20:05 V4 is for the LR Cybertruck // Min 500 kW Required
21:39 Elon’s 300kW Comment
22:14 Summary
Intro Music by Dyalla: Homer Said
...
https://www.youtube.com/watch?v=PpbXvVwzrAA