Advances in Solid Oxide Fuel Cells (SOFCs)

Dear Colleagues,

Solid Oxide Cells (SOCs), including Solid Oxide Fuel Cells (SOFCs) and Solid Oxide Electrolysis Cells (SOECs), represent one of the most efficient electrochemical technologies for sustainable power generation, energy storage, and green hydrogen production. Their high efficiency, fuel flexibility, and capability for reversible operation position SOCs as key components of future low-carbon energy systems. In recent years, substantial progress has been achieved in materials development, cell and stack design, manufacturing strategies, and system integration.

This Special Issue, “Advances in Solid Oxide Fuel Cells (SOFCs)”, aims to highlight recent breakthroughs in both conventional oxide-ion conducting SOCs and emerging protonic ceramic–based devices, including Protonic Ceramic Fuel Cells (PCFCs) and Protonic Ceramic Electrolysis Cells (PCECs), which enable reduced operating temperatures, enhanced durability, and integration to various chemical processes. This Special Issue will cover advances in functional materials for electrolytes, electrodes, and interconnects, as well as degradation phenomena, operando characterization, and innovative fabrication techniques, with particular emphasis on additive manufacturing and advanced printing technologies for SOC components and architectures.

Furthermore, this Special Issue will emphasize multiphysics modeling, digital twins, data-driven analysis, and AI-assisted approaches for materials discovery, microstructure optimization, performance enhancement, lifetime prediction, and system-level control. By bringing together experimental, theoretical, and computational research, this Special Issue seeks to provide a forward-looking perspective on the development of SOC and protonic ceramic technologies toward scalable, reliable, and cost-effective implementation.

Dr. Mariya E. Ivanova
Dr. Kwati Leonard
Dr. Aleksandar Staykov
Guest Editors

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