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06/14/18
Wolfsburg (D)
Technology

A science in its own right: The rapid-charging system for the I.D. R Pikes Peak

A science in its own right: The rapid-charging system for the I.D. R Pikes Peak
  • Battery in the I.D. R Pikes Peak must be charged within 20 minutes, according to regulations  
  • Sophisticated strategy for rapid charging protects battery from overheating
  • Glycerol used to generate charging current in environmentally-sound manner with no harmful substances

The corresponding paragraph in the regulations for the Pikes Peak International Hill Climb is clear: Should a participant in the most famous hill climb in the world be forced to suspend their run for safety reasons – for example, should it suddenly start to hail or another car require recovering – they have exactly 20 minutes, in which to prepare for their second attempt and to return to the start line. “This time frame was a crucial factor when configuring the battery for the I.D. R Pikes Peak,” says François-Xavier Demaison, Technical Director at Volkswagen Motorsport. “Furthermore, the charging strategy and independent mobile power supply are also important aspects of the rapid-charging system.”

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