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As batteries improve from here, if the packs stay the same energy, the weight and cost will continue to drop. Reduced weight mean more range. That why the Bolt gets 238 range out of a 60kWh battery.The 100 kWh battery will be good enough as soon as they fill in the gaps on the super charger map, until then.....
Seems very unlikely, it does seem likely that they will stop at this cell count but if chemistry improves by 5% it's not likely that they will then reduce cell count by 5% to compensate. 315*1.05 = 331... These improvements are really starting to add up. Possibly what he means is that they'll increase cycle life/charge speed/power density rather than energy density given the choice...Apologize if posted before but EM dropped this nugget a few hours ago:
'I think we will probably stop at 100 kWh on battery size'
I can't see them getting much weight reduction. The car already is aluminum.As batteries improve from here, if the packs stay the same energy, the weight and cost will continue to drop. Reduced weight mean more range. That why the Bolt gets 238 range out of a 60kWh battery.
With enough weight reduction, the Model S could get probably get 400 miles of range from 100 kWh pack, which I think is a very reasonable range to stop at.
Fewer battery cells, and correspondingly less (or, at least, lighter) cell management hardware?I can't see them getting much weight reduction.
yeah i botched it, but I think the point is made.Did you mean "depreciates"? And, if so, did you mean how little it depreciates?
For such vehicles might it make more sense to have two smaller batteries rather than one bigger one? Seems like a lot less100kWh is fine for sedans, but 100 kWh is not nearly enough for the Model X or any future truck-like vehicles that can be used for towing.
It's not the chassis or body, It's the battery weight. That is why as energy density rises, maintaining the same kWh will still delivery higher performance and longer range. Within the constraints of currently expected technology advances with higher silicon levels in anodes, nano-technolgies and others, we still should see energy density rise by 25% or so in the next couple of years with cost reductions of 50% or so per kWh. At a minimum we ought to expect vehicle weight to drop by 15% or so, coupled with improved electrical efficiency in inverters, ancillary reductions in energy use by converting to 48V a/c with the rest of the industry and so on.I can't see them getting much weight reduction. The car already is aluminum.
For such vehicles might it make more sense to have two smaller batteries rather than one bigger one? Seems like a lot less
development would be required for that solution. Something like an EV pickup truck would certainly have room.
100kWh is fine for sedans, but 100 kWh is not nearly enough for the Model X or any future truck-like vehicles that can be used for towing.
For such vehicles might it make more sense to have two smaller batteries rather than one bigger one? Seems like a lot less
development would be required for that solution. Something like an EV pickup truck would certainly have room.