Tesla's current 2170 cells in the form of the Panasonic 6752 units supplied in US-manufactured Tesla Model 3 cars have an energy density of 260 Wh/kg. StoreDot claims its silicon-dominant battery chemistry will enable 400-450 Wh/kg, which could mean an almost doubling of range for the same weight.

Do Teslas use Lithium batteries?

Tesla is changing the battery chemistry it uses in all its standard-range electric vehicles to a version with a lithium-iron-phosphate (LFP) cathode, the automaker said Wednesday in its third-quarter investor deck.

Who is Tesla's battery supplier?

CATL, a major battery manufacturer and one of Tesla's main battery suppliers, is raising a whopping $9 billion to accelerate its production. Over a relatively short period of time, CATL has emerged as the world's largest battery cell manufacturer for electric vehicles.