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Material design strategies for low-temperature, high-efficiency solid oxide fuel cells

Sudair AhmadGovt Degree College Lundkhwar , Abdul Wali Khan University , Mardan , KPK , PakistanShah Rukh BegumGovt Degree College Lundkhwar , Abdul Wali Khan University , Mardan , KPK , PakistanAmbreen GulDepartment of Chemistry , University of Malakand , Dir Lower, Malakand , KPK , PakistanMahmood D. AljabriDepartment of Chemistry, University College in Al-Jamoum , Umm Al-Qura University , Makkah 21955 , Saudi ArabiaChirag G. MakvanaDepartment of Chemistry, Faculty of Science , Gokul Global University , Sidhpur , Gujarat , IndiaH. R. ManjunathDepartment of Physics, School of Engineering and Technology , JAIN (Deemed to be University) , Bangalore , Karnataka , IndiaGazal SharmaCentre for Research Impact and Outcome , Chitkara University , Rajpura , Punjab , IndiaLalita ChopraDepartment of Chemistry, University Institute of Sciences , Chandigarh University , Mohali , Punjab , IndiaMavlanov FakhraddinTechnical Faculty , Urgench State University , Urgench , UzbekistanShahab KhanDepartment of Chemistry , University of Malakand , Dir Lower, Malakand , KPK , PakistanKhaled Fahmi FawyDepartment of Chemistry, Faculty of Science , King Khalid University , P.O. Box 9004 , Abha 61413 , Saudi ArabiaMohammed Muzibur RahmanCenter of Excellence for Advanced Materials Research & Chemistry Department, Faculty of Science , King Abdulaziz University , Jeddah 21589 , Saudi Arabia
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Аннотация

Abstract Fuel cells are emerging as a clean, efficient, and versatile energy technology capable of converting chemical energy directly into electricity with minimal environmental impact. Low- and intermediate-temperature solid oxide fuel cells (LT-/IT-SOFCs) have gained significant attention due to their potential for high efficiency and fuel flexibility at reduced operating temperatures. This review focuses on recent advances in material design strategies for fuel cells, emphasizing electrolytes, anodes, and cathodes. High-performance electrolyte materials, including perovskite-based, doped ceria/zirconia, and proton-conducting oxides, have demonstrated enhanced ionic conductivity, structural stability, and durability under low-temperature operation. Ni-based cermet anodes, perovskite anodes, and transition-metal-modified composites have improved fuel utilization, carbon tolerance, and electrochemical activity. Material innovations such as multi-element doping, nanostructuring, and thin-film engineering have been important in achieving higher power densities and long-term stability.

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