Bifunctional Catalysts for Oxygen Electrodes
A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Electrocatalysis".
Deadline for manuscript submissions: closed (15 November 2020) | Viewed by 4594
Special Issue Editors
Interests: metal-air batteries; iron-air batteries; bifunctional catalysts, oxygen electrocatalysis, synthesis of carbon-based materials; fuel cells catalysts and electrochemical systems; low temperature fuel cells
Interests: energy and environment; catalysis; carbon materials; graphene; carbon nanofibers; electrochemistry; fuel cells; water electrolysis; carbon dioxide electro-reduction
Special Issues, Collections and Topics in MDPI journals
Interests: pd-ni catalysts; carbon nanofibers; alkaline medium; CO oxidation; methanol oxidation; direct methanol fuel cells
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Collleagues,
The development of bifunctional materials that are able to catalyze oxygen-related reactions, i.e., the oxygen reduction (ORR) and the oxygen evolution (OER) reaction, is still a challenge for the progress of energy conversion and storage devices such as metal–air batteries or unitized regenerative fuel cells. These devices represent a promising future for a clean and sustainable conversion and storage of energy. Regenerative fuel cells produce H2 and O2 when acting as water electrolysers and provide electricity when acting as fuel cells fed with H2. On the other hand, metal–air batteries are envisaged as next-generation batteries, with extraordinary high energy densities, being promising systems for portable, mobile or stationary applications. Oxygen electrodes can be very lightweight and thin because the active material, oxygen, does not need to be stored inside the cell. However, these electrodes are restricted by the poor reaction kinetics and low activity of many catalysts towards the oxygen evolution and reduction reactions.
In addition, it is a challenge to maintain the chemical and mechanical stability of the catalyst and supporting materials at oxidizing currents under the strong alkaline conditions commonly used, and under gas evolution. This Special Issue aims to cover the most recent advances and developments regarding bifunctional catalysts as oxygen electrodes.
Dr. Cinthia Alegre
Dr. David Sebastián
Prof. Dr. María Jesús Lázaro Elorri
Guest Editors
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Keywords
- Metal–air batteries
- Fuel cells
- Oxygen reduction and/or evolution reactions
- Hydrogen oxidation and/or evolution reactions
- Advances in the design and synthesis of electrocatalysts
- Supports for bifunctional electrocatalysts
- Transition metal catalysts
- Water splitting
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