Tesla battery researcher unveils new cell that could last 1M miles
>> The new battery tested is a Li-Ion battery cell with a next-generation “single crystal” NMC cathode and a new advanced electrolyte.<p>If this is anything like growing single-crystal parts for aircraft, it won't be cheap.  The real question should be whether these new battery modules will last twice as long while remaining less than twice as expensive.<p>>> Controlling the charge to less than 100% state-of-charge also helps push the longevity.<p>Um, that is cheating.  Running any battery at less than capacity will extend its life.  You could put two batteries in the car, run them at 50% or alternate between them, and get double the life.  No prizes for that.