Tesla is having its long-awaited battery day immediately, and on the occasion the corporate introduced a brand new battery cell format known as 4680.
The new cell is bigger, and has 5 occasions the power capability and 6 occasions the facility of the older 18650 cells.
When built-in right into a automobile, the improved power density might imply 16% longer vary. Tesla says the brand new cells are additionally 14% cheaper.
The cells characteristic a tab-less design, which ought to imply improved cooling.
Tesla additionally plans to construct a brand new cathode plant which is able to characteristic a brand new and simplified cathode design which is 76% cheaper, will likely be much less affected by nickel shortages, and which is able to produce zero wastewater.
Tesla additionally in the end desires to remove cobalt within the cathode, saying it should make batteries considerably cheaper. All this work will in the end halve the value per kw of batteries, and Musk stated would allow the corporate to supply a $25,000 EV.
Tesla plans to supply the cells themselves, however Musk warned yesterday to not anticipate mass manufacturing till nicely into 2022.
