GM HydroGen3

HydroGen3
Overview
Manufacturer	Opel
Also called	Daewoo HydroGen3 Opel HydroGen3 Chevrolet HydroGen3
Production	2001-2006
Body and chassis
Class	Compact MPV
Body style	5-door MPV
Related	Opel Zafira A (first generation)
Powertrain
Engine	Fuel-cell with 94 kW
Dimensions
Wheelbase	2,694 mm (106 in)
Length	4,350 mm (171 in)
Width	1,750 mm (69 in)
Height	1,685 mm (66 in)
Chronology
Predecessor	HydroGen1
Successor	GM HydroGen4

HydroGen3 was an Opel hydrogen fuel cell concept vehicle used for testing in 2006. HydroGen3's 400-kilometer (250 mi) driving range is the highest of any fuel cell vehicle approved for public roads in Japan. The five seater front-wheel driven prototype is based on the Opel Zafira compact MPV.

Technical specifications

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• Fuel storage system: there are two hydrogen storage system used:
  1. liquid hydrogen: stainless steel liquefied hydrogen tank, installed ahead of rear axle under rear seat, length/diameter 1000/400 mm, capacity 68 L/4.6 kg, gross weight 90 kg (198 lb).
  2. compressed hydrogen at 700 bar.
• Fuel cell unit: 200 individual fuel cells wired in series, voltage 125-200 V, dimensions: 472×251×496 mm, active area: 800 cm², pressure: 1.5-2.7 bars, output: 94 kW, power density: 1.6 kW/L or 0.94 kW/kg.
• electric traction system: Three-phase asynchronous electric motor with integrated power electronics and planetary gear, operating voltage: 250-380 V, output: 60 kW, torque: 215 Nm, max. engine rpm: 12000, gear ratio: 8.67:1, gross weight: 92 kg (203 lb), dimensions: 4317×1742×1684 mm, vehicle curb weight: 1590 kg (target value), performance: acceleration 0–100 km/h: 16 s, top speed: 160 km/h (99 mph), operating range: 400 km.

See also

• HydroGen4
• List of fuel cell vehicles

References

External links

• "GM - GMability Advanced Technology: GM is First Automaker Approved to Drive a Liquid Hydrogen Vehicle on Japanese Roads". Archived from the original on 2007-02-10. Retrieved 2026-03-28.

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