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Numerical study for diagnosing various malfunctioning modes in PEM fuel cell systems
- Source :
- International Journal of Hydrogen Energy. 45:11714-11732
- Publication Year :
- 2020
- Publisher :
- Elsevier BV, 2020.
-
Abstract
- The proton exchange membrane fuel cell (PEMFC) is promising technology for efficient power generation and has wide applications. In PEMFC development, it is important to diagnose malfunctions in a system with defective components and a PEMFC stack can act as an effective sensor to detect the various malfunctioning modes. Hence, the focus of this study is to analyze the response of a PEMFC under various malfunction conditions including humidifier, air blower, and coolant pump, catalyst layer degradation, and membrane aging based on 3D PEMFC simulations. Except for the coolant supply malfunction, other malfunctions exhibit similar behavior in terms of voltage drop and temperature rise, requiring more detailed measurement techniques such as Electrochemical Impedance Spectroscopy to identify the cause of malfunctions. In addition, measuring the relative humidity of the outlet gas may not provide sufficient information to distinguish the malfunction of the anode or cathode humidifier. The results of the study suggest fault detection and isolation methods under these malfunction conditions to prevent more severe failure of the PEMFC stack and system. An extensive multi-dimensional contour comprising temperature, relative humidity, liquid saturation, water content, and current density is also provided for the better analyzation of system malfunctioning behaviors.
- Subjects :
- Materials science
Renewable Energy, Sustainability and the Environment
Energy Engineering and Power Technology
Proton exchange membrane fuel cell
Hardware_PERFORMANCEANDRELIABILITY
02 engineering and technology
010402 general chemistry
021001 nanoscience & nanotechnology
Condensed Matter Physics
01 natural sciences
Fault detection and isolation
Automotive engineering
Cathode
0104 chemical sciences
law.invention
Anode
Coolant
Fuel Technology
Electricity generation
Stack (abstract data type)
law
0210 nano-technology
Voltage drop
Subjects
Details
- ISSN :
- 03603199
- Volume :
- 45
- Database :
- OpenAIRE
- Journal :
- International Journal of Hydrogen Energy
- Accession number :
- edsair.doi...........6d6e2e156a291776273faf5bccfc0ef3