gPROMS simulation of automotive power plant system start ... · 5/3/2017 · gPROMS simulation of...
Transcript of gPROMS simulation of automotive power plant system start ... · 5/3/2017 · gPROMS simulation of...
© 2016 Process Systems Enterprise Limited
gPROMS simulation of automotive power plant system start‐up from ‐25°C with H2 combustion
Zbigniew UrbanJorge Aguerrevere
Hannover Messe 2017Technical Forum
© 2016 Process Systems Enterprise Limited
Established Customer BaseAmericasAir ProductsAir LiquideBP ChemicalsCarus CorporationCB&IConocoPhillipsDuPontExxonMobilIneos • InfineumKBR • Praxair
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APACGS E&C
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Hyundai HIJGC • KIOST
KRICT • LG ChemLotte Chemical
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Samnam PetrochemicalSamsung BP • SCG • SKC
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Ajinomoto DSP • DensoHonda • KIER
Samsung ElectronicsSamsung SDI
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Toyota Motor Company
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4Detailed stack designH2, O2concentration Water condensation
gFUELCELL – a single solution for stack and system design
Design and optimisation of complete system for commercial applications,dynamic simulation of drive cycles
3Stack performance in a simplesystem, water management,deactivation, design decisions
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Cell potential (V)
I (A/cm2)
1 Data based validation of MEA
Single Cell Experiments
Stack Experiments
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Start‐up from ‐25°C using catalytic combustion
Benefits Fast start‐up from very low temperatures
Challenges Stack must reach above‐freezing temperatures fast enough
to prevent ice formation from damaging MEA Reaction must be controlled to stop internal stack
temperature from getting too high and damaging MEA, but inlet and outlet temperature measurements cannot be used to control internal temperature
© 2016 Process Systems Enterprise Limited
FC system flowsheet
H2 Injection into cathode line
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Start‐up potentially leading to MEA damage
Inlet and outlet Temperatures areboth low
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Start‐up potentially leading to MEA damage
Local temperaturetoo high
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Scenarios for Hydrogen Injection Start‐up
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Normalised Direction of Coolant Flow
Catalyst Temperature for Different Start-ups
Coolant flow too low ( 78s start-up ) Coolant flow too high ( 68s start-up ) Optimised coolant flow ( 68s start-up )
© 2016 Process Systems Enterprise Limited
Thank you for listening
We welcome any questions now, but you are invited to stand E65 for further discussion
© 2016 Process Systems Enterprise Limited
Can you explain why this happens?