Modeling of a Novel Atmospheric SOFC/GT Hybrid Process and Comparison with State‐of‐the‐Art SOFC System Concepts. Issue 5 (23rd September 2020)

• Record Type: Journal Article
• Authors: Cardenas De La Cruz, C. T.; Herz, G.; Reichelt, E.; Jahn, M.
• Is Part Of: Fuel cells. Volume 20:Issue 5(2020)
• Page Start: 608
• Page End: 623
• Publication Date: 2020-09-23
• Subjects: Anode Off‐gas Recirculation -- Electric Efficiency -- SOFC/GT -- Solid Oxide Fuel Cell -- Sub‐atmospheric Gas Turbine; Fuel cells -- Periodicals; 621.312429
• DOI: 10.1002/fuce.201900142
• Languages: English
• ISSNs: 1615-6846

Abstract

Abstract: A novel concept for an atmospheric solid oxide fuel cell (SOFC) hybrid system applying a sub‐atmospheric gas turbine is proposed. Based on a developed process model suitable operating conditions are studied. The resulting performance is compared to different state‐of‐the‐art SOFC system concepts. The comparison shows that pressurized SOFC/GT systems offer the highest electric efficiency. The novel concept as well as a two‐stage SOFC system offer lower efficiencies, but still well above 60%. However, avoiding the complex system requirements of pressurized SOFC/GT systems, these concepts are promising for highly efficient electricity generation.