Electron or Ion Transport in Electrochemistry
A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Physical Chemistry and Chemical Physics".
Deadline for manuscript submissions: 30 August 2025 | Viewed by 66
Special Issue Editor
Special Issue Information
Dear Colleagues,
The development of sustainable energy is one of the major challenges facing our society. Devices based on solid oxide fuel cells (SOFCs) and solid oxide electrochemical cells (SOECs) can play a fundamental role. SOECs exploit the property of mixed electronic and ionic conductors to produce hydrogen fuel via water splitting or by reducing carbon dioxide (CO2) into carbon monoxide (CO); SOFCs produce electricity via the hydrogen fuel and oxygen, with water as waste. Mixed ionic and electronic conductors (MIECs) are attractive because of their enhanced conversion efficiency and much lower cost than noble metals, combined with their high oxygen ion conductivity and chemical stability in reducing environments such as CO2 and/or H2 atmospheres at high temperatures. MIECs have recently been proposed for SOFC and SOEC applications.
Electron and ion transport are fundamental processes in electrochemistry that control the efficiency and performance of various electrochemical systems, including batteries, fuel cells, and electrolyzers. Electron and ion transport interplay is crucial to maintaining charge balance and ensuring optimal electrochemical reactions. Recent advances in materials science have focused on enhancing these transport mechanisms.
This Special Issue aims to address the challenges related to the study, development, and applications of MIECs. Therefore, contributions addressing topics such as oxide ionic conductivity, photo-enhanced electronic ionic conductivity, electrochemical conversion, CO2 reduction, water splitting, and electrochemical devices for energy conversion and storage are welcome, as well as review articles aiming to provide a snapshot of the field.
Dr. Simone Sanna
Guest Editor
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Keywords
- solid oxide fuel cells
- mixed ionic and electronic conductors
- perovskite
- fluorite
- hydrogen
- CO2 reduction
- water splitting
- energy conversion and storage
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