4680 Thermal Design and Management // Why Ribbon Cooling is Better

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. 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 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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