Porous Composite for Bipolar Plate in Low Emission Hydrogen Fuel Cells

• Autorzy: Wlodarczyk R.

Identyfikatory

DOI

10.12911/22998993/79853

• Języki publikacji: EN

Abstrakty

EN

The paper presents the results of graphite-stainless steel composites for the bipolar plates in low-temperature fuel cells. The sinters were performed by powder metallurgy technology. The influence of technological parameters, especially molding pressure were examined. Following the requirements formulated by the DOE concerning the parameters of the materials, it indicated by the value of the parameters. The density, flowability, particle size of graphite and stainless steel powders have been evaluated. Composites have been tested by microstructure and phase analysis, properties of strength, functional properties: wettability, porosity, roughness. The special attention was paid to the analysis of corrosion resistance obtained sinters and influence of technological parameters on the corrosion. Corrosion tests were carried out under conditions simulating the environment of the fuel cell under anode and cathode conditions. The effect of pH solution during working of the cell on corrosion resistance of composites have been evaluated. Contact resistance depends on roughness of sinters. Low ICR determined high contact area GDL-BP and high electrical conductivity on the contact surface. The ICR in anode conditions after corrosion tests are not change significantly; composite materials can be used for materials for BP in terms of H₂.

Słowa kluczowe

EN

fuel cells; bipolar plates; graphite composites; structural analysis; corrosion resistance

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2018
• Tom: Vol. 19, nr 1
• Strony: 225--232
• Opis fizyczny: Bibliogr. 22 poz., rys., tab.

Twórcy

autor

Wlodarczyk R.

• Department of Energy Engineering, Faculty of Infrastructure and the Environment, Czestochowa University of Technology, Poland

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).