Toyota Mirai technical specifications vs FCHV-adv

mirai-vs-FCHV-adv

 

We take a look at the technical specifications for the Toyota Mirai with comparative values for the previous SUV-based FCHV-adv fuel cell vehicle. Toyota previously made FCHV-adv available in very limited numbers as a lease vehicle.

 

FUEL CELL STACK TOYOTA MIRAI TOYOTA FCHV-adv
Type Polymer electrolyte fuel cell Polymer electrolyte fuel cell
Humidification system Internal circulation External humidifier
Max. output (bhp/kW) 153/114 121/90
Volume-power density (kW/l) 3.1 1.4
Mass-power density (kW/kg) 2.0 0.83
Volume (l) 37 64
Weight (kg) 56 (cells + fastener) 108
Cells Number in one stack 370 (single line stacking) 400 (dual line stacking)
Thickness (mm) 1.34 1.68
Weight (g) 102 166
Flow channel 3D fine mesh Straight channel
Separator material Titanium Stainless steel
MOTOR
Type AC synchronous electric generator AC synchronous electric generator
Max. output (bhp/kW) 152/113 121/90
Max. torque (Nm) 335 260
HIGH-PRESSURE HYDROGEN TANKS
Number of tanks 2 4
Type Type 4 Type 4
Structure 3-layer
Materials Inner layer – plasticMiddle layer – carbon fibre-reinforced plasticSurface layer – plastic
Fuel Compressed hydrogen Compressed hydrogen
Max. filling pressure (MPa) 87.5 70
Nominal working pressure (MPa) 70
Storage density (wt%) 5.7 4.7
Total internal volume (l) 122.4 (60 front, 62.4 rear) 156
Hydrogen storage mass (kg) Approx. 5.0
Combined tank weight (kg, not including valve) 87.5
Refuelling time (min)3 Approx. 3
BATTERY
Type Nickel-metal hydride Nickel-metal hydride
FUEL CELL BOOST CONVERTER
Number of phases 4
Max. output voltage (V) 650
Volume (l) 13
PERFORMANCE
Cruising range (miles – approx.. figure prior to homologation) 300
Fuel consumption Tba
Max. speed (mph) 111 96
Acceleration 0-62mph (sec) 9.6
Acceleration 25-44mph (sec) 3.0
Cold start temperature tolerance (deg C) -30 -30
DIMENSIONS AND WEIGHTS
Length (mm) 4,890 4,735
Width (mm) 1,815 1,815
Height (mm) 1,535 1,685
Wheelbase (mm) 2,780
Track – front (mm) 1,535
Track – rear (mm) 1,545
Min. ground clearance (mm) 130
Interior length (mm) 2.040
Interior width (mm) 1,465
Interior height (mm) 1,185
Seats 4 5
Kerb weight (kg) 1,850 1,880
Coefficient of drag (Cd) 0.29

 

 

Click the following links to find out more about the Toyota Mirai.
Toyota Mirai fuel cell car: technical specs and release date
Toyota Mirai: Environmental performance and convenience
Toyota Mirai: Designed and equipped for safety
Toyota Mirai: Exterior and interior design
Toyota Mirai: Handling stability and outstanding quietness

Toyota Mirai: The future has arrived

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