Toyota Mirai 2 - Fuel Cell System Evaluation

Receive detailed measurement results and data from fuel cell system performance during driving cycle testing!

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Description

Content Fuel Cell System Testing:

- Measurement of voltage, current, temperature, pressure, volume flow based on P&ID plan 

- Data acquisition system: INCA

- Measurement of legislation cycles (WLTP & NEDC) on roller dynamometer test bench at: 

  • official, ambient temperature (25°C / 23°C)

  • cold start (-7°C)

  • warm condition (35°C)

- Measurement on roller dynamometer test bench at different low temperatures and driving modes (Frost-start characterization)

- Fuel Cell stack & system mapping and efficiency investigations: 

  • Generation of fuel cell stack polarization curves via successive stack load increase (velocity increase) 

  • Starting from 0 km/h to max. velocity, with each load step being hold until stabilization of the systems temperatures, flow levels and output power is reached

  • Start up and shut down investigations by measurement of the different components' operation procedures

- Fuel Cell System frost start characterization at -30°C:

  • Pre-conditioning of the vehicle in a specific climate chamber

  • Gas pedal tip-in and measurement of the energy flows to determine the systems performance related to operation temperature

Deliverables:

- Fuel Cell System and Fuel Cell Stack investigations regarding:

  • Performance, efficiency, operation strategy, heat up strategy, start up and shut down procedure

- Analysis of the Fuel Cell systems operation under frost start conditions

- Report in *.pdf-format

- Raw Data

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Technical Data

Data sheet

Vehicle Type
Passenger cars
OEM
Toyota
Segment
PC E/F
Propulsion Type
FCEV
Fuel Type
Hydrogen
Peak Power in kW
134
Model Year
2021
Battery Capacity in kWh
1.24

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