The influence of membrane electrode assembly’s pressing on PEM fuel cell’s performance
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Federico Perdomo
Abstract
The performance of a fuel cell depends on multiple factors, one of the most important being the preparation of the membrane electrode assembly (MEA). In the present work, MEAs constituted by gas diffuser electrodes (GDE) were pressed with carbon supported platinum catalysts. As solid electrolyte, a commercial polymeric membrane from Nafion was used, which was pressed at two GDE with loads of 5 and 1.5 mg/cm2 of catalyst at different temperatures and pressures for a fixed period of time. The assembly was characterized electrochemically using linear sweep voltammetry and electrochemical impedance spectroscopy at three different potentials. Also, the behavior when reversing the supply of hydrogen and oxygen to the GDE was studied. The results of the study showed a great dependence of the charge transfer resistance with the temperature, being secondary the dependence with the pressure in the range of temperature and pressure analyzed. Likewise, changes were observed in the open circuit potential after varying the temperature, pressure and catalyst load, hence affecting its maximum power and efficiency at that point.
Acknowledgement
Authors acknowledge CSIC-UdelaR, PEDECIBA and ANII for the financial support. C.Z., E.T., and V.D. are researchers at PEDECIBA/United Nations.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: None declared.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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Articles in the same Issue
- Frontmatter
- Review
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- Articles
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- The influence of membrane electrode assembly’s pressing on PEM fuel cell’s performance
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Articles in the same Issue
- Frontmatter
- Review
- Nanoreactors: properties, applications and characterization
- Articles
- Numerical simulation of the particle-wall collision strength and swirling effect on the performance of the axial flow cyclone separator
- Development and experimental validation of reactor kinetic model for catalytic cracking of eugenol, a potential bio additive fuel blend
- Effect of flue gas components on the NO removal and element mercury oxidation performance of Mn-modified low-temperature catalyst
- CFD analysis and RSM optimization of obstacle layout in Tesla micromixer
- Non-invasive morphological characterization of cellular loofa sponges using digital microscopy and micro-CT
- Residence time distribution studies on recycle reactor with recirculation
- The influence of membrane electrode assembly’s pressing on PEM fuel cell’s performance
- Oxidative hydrolysis of Fe(Ⅱ) in the process of hydrothermal synthesis of hematite
- Parametric numerical study and optimization of mass transfer and bubble size distribution in a gas-liquid stirred tank bioreactor equipped with Rushton turbine using computational fluid dynamics
