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Ruisong Li et al.
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ACTA PHYSICO-CHIMICA SINICA
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Jiheon Kim et al.
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Summary: This review summarizes the recent advances in graphene oxide-derived single-atom catalysts (GO-SACs) for sustainable electrochemical energy conversion, including their preparation strategies, electrochemical applications, and future prospects.
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Chang-Xin Zhao et al.
Summary: This research proposes a clicking confinement strategy to efficiently predisperse transition metal atoms and fabricate high-performance bifunctional oxygen electrocatalysts. The approach extends the methodology for the synthesis of catalytic materials and shows promising application prospects.
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Summary: This study proposes a facile approach for obtaining hierarchically porous cobalt-nitrogen codoped carbon for reversible oxygen reduction and evolution reactions. The catalyst exhibits outstanding bifunctional activity, high power density, and long-term durability, making it highly promising for rechargeable metal-air batteries. The research findings are of great significance for the development of low-cost oxygen electrocatalysts.
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Fei Chen et al.
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Peng Rao et al.
Summary: In this study, multiple single metal atoms were successfully anchored onto carbon supports as high-entropy single-atom catalysts using a movable typing method. This opens up a new approach for investigating highly efficient single-atom catalysts with multiple compositions.
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Linqian Wang et al.
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Chenchen Ma et al.
Summary: In this study, density functional theory was used to investigate the electrocatalytic mechanisms of dual-metal and tri-metal atoms anchored on graphene monolayer for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). The charge redistribution and catalytic activities were analyzed, and nitrogen-doped graphene configurations with excellent bifunctional activities were screened.
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Summary: This paper discusses the importance of developing efficient and robust electrochemical energy storage systems, as well as the role of single atom catalysts in improving device performance. Additionally, it summarizes the working principles and challenges of next-generation electrochemical energy storage and conversion devices.
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Zeng-Xi Wei et al.
Summary: Single-atom catalysts (SACs) have shown great potential in various catalytic fields due to their high atom utilization efficiency and catalytic activity, but fabricating SACs with high metal loading and investigating their reaction mechanisms remain significant challenges. This review highlights the recent developments and future research directions of SACs in thermal, electrocatalytic, and photocatalytic applications.
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Xixi Ji et al.
Summary: The study presents a highly efficient and stable oxygen evolution reaction catalyst with a multilayer-stacked hybrid structure for water electrolysis. The design of composite materials has improved electrocatalytic activity, offering new possibilities for water splitting.
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Zhaoqiang Li et al.
Summary: Oxygen-related electrocatalysis plays a central role in green-energy technologies. Metal-organic frameworks (MOFs) have drawn extensive attention as nonprecious oxygen electrocatalysts due to their tunable compositions. Various strategies have been developed to fabricate MOF-based electrocatalysts and regulate their active sites.
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Summary: The study successfully prepared nickel-cobalt single-atom dimers as high-performance pH-universal H-2 evolution electrocatalysts, demonstrating improved HER kinetics under alkaline/acidic conditions through rational structural design and preparation methods.
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Ruijie Gao et al.
Summary: The study focuses on loading platinum onto α-Fe2O3 to create a highly active and stable catalyst with dispersed Pt-Fe pair sites, which exhibits excellent catalytic performance and cycling stability in alkaline conditions.
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Zhaoyu Jin et al.
Summary: Regulating the site density of single-atom catalysts can significantly improve electrocatalysis performance, such as the oxygen reduction reaction. Strong interactions between adjacent Fe-N-4 moieties can enhance intrinsic ORR activity, with a marked improvement continuing until neighbouring Fe atoms approach as close as about 0.7 nm. Identifying the fundamental mechanism of the inter-site distance effect in Fe-N-4 catalysts may maximize the potential of densely populated SACs.
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Arunprasath Sathyaseelan et al.
Summary: The use of copper iron sulfide nanostructure as a bifunctional catalyst for the electrochemical hydrogen evolution and oxygen evolution reactions has shown excellent performance, providing a promising route for clean hydrogen fuel production.
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