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Physically motivated water modeling in control-oriented polymer electrolyte membrane fuel cell stack models [Elektronski vir]Du, Zhang Peng ...Polymer electrolyte membrane fuel cells (PEMFCs) are prone to membrane dehydration and liquid water flooding, negatively impacting their performance and lifetime. Therefore, PEMFCs require ... appropriate water management, which makes accurate water modeling indispensable. Unfortunately, available control-oriented models only replicate individual water-related aspects or use oversimplistic approximations. This paper resolves this challenge by proposing, for the first time, a control-oriented PEMFC stack model focusing on physically motivated water modeling, which covers phase change, liquid water removal, membrane water uptake, and water flooding effects on the electrochemical reaction. Parametrizing the resulting model with measurement data yielded the fitted model. The parameterized model delivers valuable insight into the water mechanisms, which were thoroughly analyzed. In summary, the proposed model enables the derivation of advanced control strategies for efficient water management and mitigation of the degradation phenomena of PEMFCs. Additionally, the model provides the required accuracy for control applications while maintaining the necessary computational efficiency.Source: Energies [Elektronski vir]. - ISSN 1996-1073 (Vol. 14, iss. 22, 2021, str. 1-20)Type of material - e-article ; adult, seriousPublish date - 2021Language - englishCOBISS.SI-ID - 85388035
Author
Du, Zhang Peng |
Kravos, Andraž, strojnik |
Steindl, Christoph |
Katrašnik, Tomaž |
Jakubek, Stefan |
Hametner, Christoph
Topics
fuel cells |
polymer electrolyte membrane |
control-oriented model |
physically motivated model |
water modeling |
liquid water effects |
analytical differentiable model |
gorivne celice |
protonska izmenjevalna membrana |
staranje platine |
mehanistično osnovan model |
vodno modeliranje |
pospešeni testi staranja
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Database name | Field | Year |
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Du, Zhang Peng | |
Kravos, Andraž, strojnik | 55317 |
Steindl, Christoph | |
Katrašnik, Tomaž | 23468 |
Jakubek, Stefan | |
Hametner, Christoph |
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