Metallic core–shell nanoparticles(MCSNs)have attracted significant research interest in electrochemical energy conversion owing to their distinctive microstructures and superior catalytic performances.By rationally d...Metallic core–shell nanoparticles(MCSNs)have attracted significant research interest in electrochemical energy conversion owing to their distinctive microstructures and superior catalytic performances.By rationally designing a metallic core with a specific surface(shell),synergistic interactions between the core and the shell,benefiting from the intrinsic strain,ligand,geometric,and ensemble effects,can endow multi-metallic CSNs with highly enhanced activity,selectivity,and stability in electrocatalytic reactions,compared to their monometallic counterparts.In this review,we outline the key breakthroughsDespe cially in the past 5 yearsDof MCSNs,focusing on their precise design/synthesis,intrinsic effects arising from core–shell interactions,state-of-the-art characterization techniques,and exceptional performance in critical electrochemical reactions,including water splitting,oxygen reduction reaction(ORR),CO_(2)reduction reaction(CO_(2)RR),N_(2)/NO_(3)-reduction reaction(N_(2)RR/NO_(3)RR),and small organic molecule electrooxidations.We further discuss the ongoing challenges and opportunities for MCSNs,particularly in achieving computationally guided design/atomic-precision synthesis,enabling scalable production,and advancing in situ or operando characterization methods.We hope that the present review will inspire chemists working in this field to develop new MCSNs for sustainable energy applications.展开更多
基金supported by funds provided by the National Natural Science Foundation of China(22201294)Guangdong Basic and Applied Basic Research Foundation(2023A1515012370)+4 种基金Guangdong Pearl River Talent Program(2023QN10C361)HighLevel Talents Program of the CAS(E344021001)Clean Energy Joint International Laboratory(E3G1041001)Shenzhen Science and Technology Program(KQTD20221101093647058)SIAT Innovation Fund for Excellent Young Scientists(E3G0071001)。
文摘Metallic core–shell nanoparticles(MCSNs)have attracted significant research interest in electrochemical energy conversion owing to their distinctive microstructures and superior catalytic performances.By rationally designing a metallic core with a specific surface(shell),synergistic interactions between the core and the shell,benefiting from the intrinsic strain,ligand,geometric,and ensemble effects,can endow multi-metallic CSNs with highly enhanced activity,selectivity,and stability in electrocatalytic reactions,compared to their monometallic counterparts.In this review,we outline the key breakthroughsDespe cially in the past 5 yearsDof MCSNs,focusing on their precise design/synthesis,intrinsic effects arising from core–shell interactions,state-of-the-art characterization techniques,and exceptional performance in critical electrochemical reactions,including water splitting,oxygen reduction reaction(ORR),CO_(2)reduction reaction(CO_(2)RR),N_(2)/NO_(3)-reduction reaction(N_(2)RR/NO_(3)RR),and small organic molecule electrooxidations.We further discuss the ongoing challenges and opportunities for MCSNs,particularly in achieving computationally guided design/atomic-precision synthesis,enabling scalable production,and advancing in situ or operando characterization methods.We hope that the present review will inspire chemists working in this field to develop new MCSNs for sustainable energy applications.
