<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The use of a graphite-stainless steel composite as bipolar plates (BP) in polymer electrolyte membrane fuel cells (PEMFCs) has been evaluated. The study covers measurements of mechanical properties, microstructural examination, analysis of surface profile, wettability, porosity and corrosion resistance of the composite. The corrosion properties of the composite were examined in 0.1 mol·dm−3 H2SO4 + 2 ppm F− saturated with H2 or with O2 and in solutions with different pH: in Na2SO4+ 2 ppm F− (pH = 1.00, 3.00, 5.00) at 80 °C. The performed tests indicate that the graphite modified with stainless steel can be a good choice to be used as a bipolar plate in PEM fuel cells.</p></abstract>

The use of a graphite-stainless steel composite as bipolar plates (BP) in polymer electrolyte membrane fuel cells (PEMFCs) has been evaluated. The study covers measurements of mechanical properties, microstructural examination, analysis of surface profile, wettability, porosity and corrosion resistance of the composite. The corrosion properties of the composite were examined in 0.1 mol·dm−3 H2SO4 + 2 ppm F− saturated with H2 or with O2 and in solutions with different pH: in Na2SO4+ 2 ppm F− (pH = 1.00, 3.00, 5.00) at 80 °C. The performed tests indicate that the graphite modified with stainless steel can be a good choice to be used as a bipolar plate in PEM fuel cells.

Properties of graphite-stainless steel composite in bipolar plates in simulated anode and cathode environments of PEM fuel cells

Department of Energy Engineering, Faculty of Environmental Engineering and Biotechnology, Czestochowa University of Technology, ul. Brzeznicka 60a, 42-200, Czestochowa, Poland

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The use of a graphite-stainless steel composite as bipolar plates (BP) in polymer electrolyte membrane fuel cells (PEMFCs) has been evaluated. The study covers...

Properties of graphite-stainless steel composite in bipolar plates in simulated anode and cathode environments of PEM fuel cells

Published Online: Oct 17, 2014

Page range: 487 - 497

DOI: https://doi.org/10.2478/s13536-014-0229-6

Keywords
powder metallurgy, sintering, graphite, bipolar plates, fuel cells, PEMFC

© 2014 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Properties of graphite-stainless steel composite in bipolar plates in simulated anode and cathode environments of PEM fuel cells

Published Online: Oct 17, 2014

Page range: 487 - 497

DOI: https://doi.org/10.2478/s13536-014-0229-6

Keywordspowder metallurgy, sintering, graphite, bipolar plates, fuel cells, PEMFC

© 2014 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
powder metallurgy, sintering, graphite, bipolar plates, fuel cells, PEMFC