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A review of solid oxide cell technologies for power, fuel, and reversible energy storage
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| 7.05 MB | Adobe PDF |
Orientador(es)
Resumo(s)
Solid oxide cell (SOC) technologies, encompassing solid oxide fuel cells (SOFCs), solid oxide electrolysis cells
(SOECs), and reversible solid oxide cells (rSOCs), are emerging as key components in the transition to sustainable
energy systems due to their high operating efficiency, fuel flexibility, carbon–neutral fuel production potential,
and compatibility with renewable energy sources. This work reviews current SOC technologies for renewable
electricity generation and sustainable fuel production, examining their working principles and system configurations. Recent advances in materials, stack design, and control strategies are reviewed alongside significant
challenges in material stability, dynamic response, electrode degradation, thermal management, and scalability.
The paper highlights demonstration projects and provides an economic feasibility analysis of each SOC technology. Among electrolysis technologies, SOEC has higher capital expenditure (CAPEX) and operational expenditures (OPEX), but lower hydrogen production costs. A Strengths, Weaknesses, Opportunities, and Threats
(SWOT) analysis reveals that SOEC possesses high hydrogen production efficiency, while SOFC offers great
flexibility in fuel usage. However, it also points out that thermal stress and component degradation are significant challenges that need to be addressed. For rSOC, the analysis highlights the advantages of flexibility for twoway operation, along with concerns about stack cell degradation. The review also identifies innovation pathways
needed to transition these systems from advanced prototypes to reliable components of decarbonised energy
infrastructure, focusing on cost-effective materials development, electrode optimisation, and enhanced mathematical modelling
Descrição
Palavras-chave
Electrolysis technologies Fuel cell technologies rSOC Renewable electricity renewable fuels