Solid oxide cells(SOCs)have emerged as one of the key technologies for low-carbon energy transition due to their fuel flexibility and high system efficiency.However,their long-term deployment remains hindered by mater...Solid oxide cells(SOCs)have emerged as one of the key technologies for low-carbon energy transition due to their fuel flexibility and high system efficiency.However,their long-term deployment remains hindered by material degradation and interfacial instability under high-temperature and multi-atmospheric operating conditions.In particular,achieving a balance between catalytic activity and structural stability presents a major bottleneck in material design.High-entropy materials(HEMs),with their unique configurational entropy effect,multi-principal element synergy,and tunable local defect chemistry,offer a promising pathway to overcome these limitations.This perspective reviews recent advances in the application of HEMs in SOCs,including element selection and structure tuning,machine-learning-assisted design,in situ leaching and self-assembly engineering,and high-entropy coating strategies.Special attention is paid to how HEMs leverage their multi-elemental composition and defect regulation to enhance electrode performance,stabilize interfaces,and improve tolerance to poisoning species.We further highlight the potential of data-driven approaches for accelerating HEM screening and performance optimization,and discuss the integration of high-throughput experimentation with computational modeling to enable efficient exploration of the vast compositional space.Despite the remarkable progress,key challenges remain in achieving long-term stability and reliability across diverse operating scenarios.Future research should focus on precise control of non-equimolar compositions,development of cross-scale dynamic characterization techniques,and establishment of closed-loop frameworks that couple data-driven models with experimental feedback.These efforts will pave the way toward the rational design of high-performance,durable SOC systems.展开更多
基金supported by National Natural Science Foundation of China(U24A20542,52472210)Natural Science Foundation of Jiangsu Province(No.BK20221312)Postgraduate Research&Practice Innovation Program of Jiangsu Province(KYCX25_1706).
文摘Solid oxide cells(SOCs)have emerged as one of the key technologies for low-carbon energy transition due to their fuel flexibility and high system efficiency.However,their long-term deployment remains hindered by material degradation and interfacial instability under high-temperature and multi-atmospheric operating conditions.In particular,achieving a balance between catalytic activity and structural stability presents a major bottleneck in material design.High-entropy materials(HEMs),with their unique configurational entropy effect,multi-principal element synergy,and tunable local defect chemistry,offer a promising pathway to overcome these limitations.This perspective reviews recent advances in the application of HEMs in SOCs,including element selection and structure tuning,machine-learning-assisted design,in situ leaching and self-assembly engineering,and high-entropy coating strategies.Special attention is paid to how HEMs leverage their multi-elemental composition and defect regulation to enhance electrode performance,stabilize interfaces,and improve tolerance to poisoning species.We further highlight the potential of data-driven approaches for accelerating HEM screening and performance optimization,and discuss the integration of high-throughput experimentation with computational modeling to enable efficient exploration of the vast compositional space.Despite the remarkable progress,key challenges remain in achieving long-term stability and reliability across diverse operating scenarios.Future research should focus on precise control of non-equimolar compositions,development of cross-scale dynamic characterization techniques,and establishment of closed-loop frameworks that couple data-driven models with experimental feedback.These efforts will pave the way toward the rational design of high-performance,durable SOC systems.
