Difference between revisions of "Batteries"

Latest revision as of 17:58, 6 April 2016

Two factors influence the feasibility of a battery type:

see the calculation at http://www.withouthotair.com/cA/page_261.shtml how the first factor influences the achievable range of an elecrical vehicle powered by a battery.

There have been several companies claiming that they are close to the 400 Wh / kg target

Envias 400 Wh / kg claim was used to convince automotive companies like GM but the claim was exaggerated

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 Two factors influence the feasibility of a battery type:
 * How many Wh / kg can the battery store?
 * What is the Price per kWH
 see the calculation at http://www.withouthotair.com/cA/page_261.shtml how the first factor influences the achievable range of an elecrical vehicle powered
 by a battery.
+$240-$280 per kWH for a Tesla according to http://www.torquenews.com/2250/what-makes-tesla-s-batteries-so-great
+== 400 Wh / kg ==
+There have been several companies claiming that they are close to the 400 Wh / kg target
+=== Envia ===
+Envias 400 Wh / kg claim was used to convince automotive companies like GM but the claim was exaggerated
+* https://chargedevs.com/features/we-need-more-energy-envia-systems-400-whkg-li-ion-cells/
+* http://qz.com/158373/envia-the-mysterious-story-of-the-battery-startup-that-promised-gm-a-200-mile-electric-car/