The car of the future - Alfred Rufer

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The car of the future - Alfred Rufer

  1. ?
  2. The Electric Car - Zero-emissions - Can be fed from RES
  3. Charging a 25kWh batteryPower[kW] Charge duration [minutes]
  4. Charging a 25kWh battery% Efficiency Charge duration [minutes]
  5. Li-ion
  6. Compressed Air Car- Zero-emissions- Can be fed from RES
  7. Energy on boardGasoline 50 kg 590 kWh (1) Li-ion 400 kg 53 kWh (10 x less)Pb-acid 200 kg 6 kWh (100 x less)Air, 300bar 200 l 7.8 kWhGasoline 1 l (eq.) 8.6 kWh 5385 km! world record
  8. PowerDRIVE Time CHARGEPower DRIVE RE-FILL
  9. The Concept (fast filling)Slow pre-charge of Fast transfer froma local reservoir local station to the carNearly isothermalcompression
  10. The Problem Heating-up the air in the car reservoir
  11. The SolutionRecirculating of the air afterequalized pressure allows :- Equalised (low) temperatures- High filling
  12. Benefits from the recirculation Strong reduction of the air temperature in the car through recirculation (filling-time adapted to the reduced-scale demo at EPFL)
  13. Benefits from the recirculation Strong increase of the air density In the car reservoir (filling-time adapted to the reduced-scale demo at EPFL)
  14. AIRCRYO / LN2

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