http://paultan.org/2012/10/10/nec-develops-tech-to-improve-li-ion-capaci...
NEC has announced a new formulation that can increase the range of EVs by up to 30%. If Panasonic can do the same, my (upcoming P5058) 60kWh Model S could near 300 miles (230 mi range estimated x 30% = 299). Even at a real-world 200 miles, we could be talking about 260 miles with such a battery.
The latter. And/or weight of battery required to hold a given charge.
+1Tiebreaker for Mr. Fusion!
constraint,
The problem is that all these 30% improvements aren't available for sale so no one knows what the price will be--it's assumed they will be no more than the battery they are comparing against. There is generally about one of these announcement per week, but rather less actual production.
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