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Detection of flooding and drying inside a PEM fuel cell stackDebenjak, Andrej ...Proton Exchange Membrane (PEM) fuel cells are currently seen as the most suitable choice for implementation into daily-use applications. However, the PEM technology does not yet fulfil all the ... necessary requirements that the mass-market demands and proper strides towards elimination of remaining issues have to be taken. Hence, in this paper, the focus is made on water management faults, i.e. flooding and drying. More precisely, it deals with detection of them with the use of Electrochemical Impedance Spectroscopy (EIS). The EIS was successfully applied as a diagnostic tool to a fuel cell stack consisted of 80 cells without usage of any special purpose measurement equipment, where, in addition to the stack current, only voltage of the complete stack was measured. The paper describes the modifications that were made on the EIS to make it capable of handling the diagnostics of fuel cell stacks. The results of the experimental study show that the approach is successful in detecting the flooding and drying faults and that for detection only excitation signals with frequencies between 30 and 300 Hz are required. Based on the experimental data and conclusions, a diagnostic decision algorithm is proposed.Vir: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 59, no. 1, Jan. 2013, str. 56-64, SI 9)Vrsta gradiva - članek, sestavni delLeto - 2013Jezik - angleškiCOBISS.SI-ID - 26476327
Avtor
Debenjak, Andrej |
Gašperin, Matej, 1982- |
Pregelj, Boštjan |
Atanasijević-Kunc, Maja |
Petrovčič, Janko |
Jovan, Vladimir
Teme
PEM gorivne celice |
elektrokemična impedančna spektroskopija |
diagnostika |
poplavljanje |
izsuševanje |
PEM fuel cell system |
electrochemical impedance spectroscopy |
diagnostics |
flooding |
drying
vir: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 59, no. 1, Jan. 2013, str. 56-64, SI 9)
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Debenjak, Andrej | 34607 |
Gašperin, Matej, 1982- | 28479 |
Pregelj, Boštjan | 25655 |
Atanasijević-Kunc, Maja | 04142 |
Petrovčič, Janko | 04543 |
Jovan, Vladimir | 08351 |
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