4680 Thermal Design and Management // Why Ribbon Cooling is Better
发布时间 2022-10-05 16:06:32 来源
摘要
This video covers the thermal design and management for the 4680, how the tabless electrode helps, and why ribbon cooling is better. A battery pack is only as good as its weakst thermal link.
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Dirty Tesla on Cell Failure of a Tesla
https://www.youtube.com/watch?v=ZEIdQGlA5As&t=488s
Prediction of Thermal Issues for Larger Format 4680 Cylindrical Cells and Their Mitigation with Enhanced Current Collection
https://iopscience.iop.org/article/10.1149/1945-7111/abd44f/meta
Optimal cell tab design and cooling strategy for cylindrical lithium-ion batteries
https://www.sciencedirect.com/science/article/abs/pii/S0378775321001403
Surface Cooling Causes Accelerated Degradation Compared to Tab Cooling for Lithium-Ion Pouch Cells
https://iopscience.iop.org/article/10.1149/2.0361609jes
Cell-matching and balancing (Battery University)
https://batteryuniversity.com/article/bu-803a-cell-matching-and-balancing
*Timeline*
00:00 Intro
00:50 Why is Thermal Management Important?
01:09 Battery Pack // Weakest Link
02:08 Cell Matching & Battery Management Software
03:43 Battery Cell // Weakest Link
04:23 The 'Thermal Supply Chain'
05:40 Nissan Leaf vs Model S
06:05 Thermals and Form Factor
06:57 Cooling // How I got it Wrong
14:03 Role of the Tabless Electrode
18:48 Current Collector Plates
19:42 Summary
Intro Music by Dyalla: Homer Said
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