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Erschienen in:
2023 | OriginalPaper | Buchkapitel
Fuel Cell System Development for Heavy Duty Application
verfasst von : Stephan Schnorpfeil, Arne Kotowski, Hauke Sötje, Guido Hartmann
Erschienen in: Heavy-Duty-, On- und Off-Highway-Motoren 2022
Verlag: Springer Fachmedien Wiesbaden
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Abstract
Fuel Cell propulsion systems offer high energy density and short refueling times. These are the key facts for their application to heavy-duty vehicles. In the fuel cell propulsion system the layout of the fuel cell system itself is crucial. Based on the requirements like lifetime – and efficiency targets as well as package boundary conditions the components in the fuel cell system like stack and the so called BoP (Balance of plant) components such as compressor, hydrogen gas injector and humidifier are defined. Besides this the high temperature – and low temperature circuits and the high voltage system with DCDC’s and bleeding resistor are specified.
The paper describes the fundamental aspects and processes for defining the layout of a fuel cell system with all its subcomponents. Starting with 1D simulation the BoP components and their interactions are optimized for overall high system efficiency and performances. The system packaging ensures the integration in the heavy-duty vehicle and the connection to the vehicle air intake – and hydrogen storage system, high voltage architecture and thermal management. The software of the fuel cell system adjusts the system actuators based on the targeted fuel cell system state like idle, nominal power, peak power and transient operation. Finally, the system is tested on the fuel cell test bench.