Difference between revisions of "Batteries"

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400 Wh / kg
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== 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/
 
* http://qz.com/158373/envia-the-mysterious-story-of-the-battery-startup-that-promised-gm-a-200-mile-electric-car/

Latest revision as of 17:58, 6 April 2016

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