EEVblog 1340 - New Tesla 4680 Battery Cell EXPLAINED

Dave explains why Tesla have switched from a 2170 cell to a bigger 4680 cell announced at Battery Day. What is the new tabless technology and what are the thermal cell and battery pack implications? Discussion on Lithium Ion battery cell construction, chemistry, manufacture, thermal design, internal resistance, heat sinking, and how cylindrical cells compare to large pouch cell construction. Tesla Patent: PLEASE read the pinned comment before replying. Forum: Subscribe on Library: @eevblog:7 EEVblog Web Site: The 2nd EEVblog Channel: EEVdiscover: Support the EEVblog through Patreon! AliExpress Affiliate: Buy anything through that link and Dave gets a commission at no cost to you. Donate With Bitcoin & Other Crypto Currencies! T-Shirts: #Tesla #BatteryDay #4680 Теги: eevblog,video,battery day,tesla battery day,tesla news,tesla battery day 2020,tesla battery day highlights,tesla battery day news,tesla battery cell,tesla battery pack,tesla battery,tesla 4680,tesla 4680 cell,tesla 2170,tesla 2170 cell,battery,tesla cell,elon musk,model 3,battery chemistry,battery chemistry explained,battery construction,construction of battery cell,lithium ion,lithium ion battery,lithium ion cell manufacturing,battery production