Novel Catalyst Materials for Low-Temperature Fuel Cells and Electrolyzers
A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Catalytic Materials".
Deadline for manuscript submissions: closed (30 April 2022) | Viewed by 43939
Special Issue Editors
Interests: electrocatalysis; electrolyzers; hydrogen; non-critical raw materials
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear colleagues,
Conventional electrocatalysts in low-temperature fuel cells and electrolyzers are based on the utilization of expensive and not-readily-available noble metals (especially platinum and palladium), deposited in the form of nanoparticles on carbonaceous support. This eliminates such systems from practical applications. Novel approaches have overcome this shortcoming:
- More efficient platinum-group metals (PGM): i) preparation of well-defined nanoparticles shapes (cubes, pyramids, octahedra, truncated structure, and dendrimers); ii) the addition of second, third, or more auxiliary metals to promote the electrochemical activity of the PGM; and iii) disordered structures from dealloying processes.
- Non-PGM catalysts: metals such as Ni, Co, Cu, Fe, Ru, Rh, and their oxides or mixed oxides, or organometallics, have been demonstrated to be active for these systems.
This Special Issue will focus on the investigation of these new catalysts, with an interest in their preparation methods and physico-chemical characterization, with regard to those studies that report a whole and detailed characterization, allowing for the correlation between physico-chemical properties and the electrochemical results. Our hope is to complete a set of manuscripts that provide an overall vision of the state-of-the-art in low-temperature fuel cells and electrolyzers.
Dr. Sabrina Campagna Zignani
Dr. José Joaquín Linares León
Guest Editors
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Keywords
- non-PGM catalysts
- fuel cells
- electrolyzers
- new technologies
- performance
- efficiency
- durability
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