Membranes for Fuel Cells
A special issue of Membranes (ISSN 2077-0375).
Deadline for manuscript submissions: closed (31 May 2020) | Viewed by 7462
Interests: solid state ionics; membranes; electroceramics; solid oxide fuel cells; structure characterization
Electrolytes are very important components in fuel cells, as they are responsible for ion selection and transport to react in the electrode.
Fuel cells based on polymer electrolyte membranes (PEMs) play an important role in applications, such as power sources for portable electronics, distributed power generation, and electric vehicles. A good PEM must present high proton conductivity, excellent mechanical strength, mechanical, chemical and electrochemical stability, low fuel or oxidant crossover, and be manageable for fabrication in membrane electrode assemblies.
Solid oxide fuel cells based on oxygen ion conductors (SOFC) and protonic conduction electrolytes (PCFC) are promising candidates for green energy production as they present high efficiency, long-term stability and fuel flexibility. Membranes based on oxygen-electron conductors have been studied the last few decades for oxygen extraction from air, as well as for direct partial oxidation of natural gas. Similarly, membranes based on mixed proton–electron conducting oxides have been widely studied in recent years for application as hydrogen separation membranes and for different catalytic membrane reactors applications. The materials and composites with the highest mixed conductivity values, at high temperatures (500–1000 °C), and stable in operation conditions (high temperature and different atmospheres), are also promising candidates as electrodes in SOFC or PCFC.
This Special Issue, “Membranes for Fuel Cells”, will be a perfect forum to bring together the latest results obtained by key laboratories focused on membranes and membrane materials with applications in fuel cell research and development.
Dr. Cecilia Solís
Dr. María Balaguer
Manuscript Submission Information
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- fuel cell
- oxygen transport membrane
- hydrogen membrane
- composite membrane