Abstract
Polymer Electrolyte Membrane Fuel Cells (PEMFCs) are the most appropriate type of fuel cells for application in vehicles due to their low operational temperature and high-power density. In this paper, a zero-dimensional, steady state thermodynamic modeling for an automotive 90kW PEMFC system has been built up in order to investigate the effects of operating parameters such as vehicle acceleration and operating pressure on the size of the system elements, heat and water system constitution, fuel consumption, and efficiency. A dynamic model was formed for the fuel cell power system in MATLAB. Power output and power losses of the system were investigated at 3atm operation pressures.
Highlights
PEM (Proton Exchange Membrane or Polymer Electrolyte Membrane) fuel cells are considered candidates for automotive applications due to their low operational temperature and highpower density
Many research attempts for automotive applications focus on Polymer Electrolyte Membrane Fuel Cells (PEMFCs) due to their capacity of higher power density and faster start-up compared to other fuel cell types
Water and heat management for PEMFCs is one of the key technical issues that must be resolved in order to be used in automotive applications
Summary
PEM (Proton Exchange Membrane or Polymer Electrolyte Membrane) fuel cells are considered candidates for automotive applications due to their low operational temperature and highpower density. The cell level fields investigate the effects of parameters such as pressure, rate of flow, temperature, humidity, and membrane heaviness on the performance of the fuel cell stack [5,6,7,8,9]. Authors in [10] studied the PEM fuel cell engine system which is used in transportation applications This system consists of a compressor, humidifiers, pressure regulator, hydrogen storage tank, cooling system, heat exchanger and the fuel cell stack. The model was developed in [11] in order to study the water and thermal management and balance of the fuel cell stack. The model was developed in order to study water and thermal management and the balance of the fuel cell stack of an automotive PEM fuel cell system with a maximum power of 90kW. Biberci & Celik: Dynamic Modeling and Simulation of a PEM Fuel Cell (PEMFC) during an
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