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Method and a device for charging electric vehicles

  • US 8,344,686 B2
  • Filed: 09/01/2011
  • Issued: 01/01/2013
  • Est. Priority Date: 03/03/2009
  • Status: Active Grant
First Claim
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1. A method for charging electric vehicles, comprising:

  • connecting an electric vehicle to a charging station for receiving electric energy,determining at least a state of charge of a battery and a desired duration of charge in the vehicle,determining the energy required for fully charging the battery in the vehicle,transmitting at least information concerning the required energy and the duration of charge to the charging station by the vehicle,receiving in the vehicle different power supply offer adapted to the information, which power supply offer has been determined from among a plurality of different power supply offers by means of the charging station using the information received,selecting one of the adapted power supply offers in the vehicle andtransmitting information concerning the selected power supply offer from the vehicle to the charging station.

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