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Article
Chemistry, Physical
Ziyao Li et al.
Summary: This study presents an atomic-level orbital coupling strategy to effectively regulate the electronic structures of ultra-small tri-metal Fe-Co-Ni nanoalloy particles. The nanoalloy hybrid material exhibited notable bi-functional catalytic performances toward the oxygen reduction reaction and oxygen evolution reaction, surpassing precious-metal-based and previously reported catalysts. In addition, the as-assembled Zn-air device displayed superior specific capacity, maximal power density, and impressive durability.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Chemistry, Multidisciplinary
Ruisong Li et al.
Summary: Binary single-atom catalysts (BSACs) outperform single atom catalysts (SACs) in oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). By using density functional theory (DFT) calculations, the researchers establish a notable volcano relationship between various transition metals and the bifunctional activity of Fe sites. They successfully synthesize atomically dispersed FeM catalysts (FeM-NC) using a movable type printing method and confirm their bifunctional activity through experimental data.
Article
Engineering, Environmental
Ruisong Li et al.
Summary: A general approach for the preparation of ternary single-atom catalysts (SACs) is provided, and the highly dispersed single atoms on the support are identified. The PtFeCo/NC catalyst exhibits significantly enhanced bifunctional activity for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER), as well as high stability. The introduction of Pt enables synergistic effects, leading to the modulation of adsorption strength of reaction intermediates and enhancing the ORR and OER activity.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Yanhui Yu et al.
Summary: Environmentally friendly energy storage and conversion technologies, like metal-air batteries and fuel cells, are considered promising solutions to address environmental concerns. The oxygen reduction reaction (ORR) is crucial for renewable energy conversion and plays a significant role. However, the complex process of the ORR limits its kinetics. This study proposes a method to fabricate a Co cluster-decorated catalyst, which exhibits improved ORR performance and shows potential as an alternative to Pt catalysts.
ACTA PHYSICO-CHIMICA SINICA
(2023)
Article
Chemistry, Physical
Ruisong Li et al.
Summary: Hydrogen, as a carbon-free energy carrier, is crucial for future clean energy. However, efficient production and combustion of hydrogen still requires precious metal-based catalysts. This study has developed a general movable printing method to synthesize various precious metal-based catalysts with high atomic utilization. These catalysts exhibit higher activities than their nanoparticle counterparts, especially for the superior mass activity of Ru-based catalysts.
Article
Chemistry, Multidisciplinary
Jiheon Kim et al.
Summary: Multi-metal oxide (MMO) materials have potential in catalyst design. However, understanding the (electro)catalytic activity of MMOs is limited due to their complex multi-element nature. This study synthesized uniform-sized multi-metal spinel oxide nanoparticles and systematically studied the contributions of each element to enhance the electrocatalytic oxygen reduction reaction (ORR) activity.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Tingting Cui et al.
Summary: The novel dual single-atom catalyst FeMn-DSAC exhibits remarkable bifunctional activities for ORR and OER, enabling efficient operation of the ZAB at ultra-low temperature of -40 degrees C with peak power density of 30 mW cm(-2) and up to 86% specific capacity retention compared to room temperature.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Multidisciplinary
Fatemeh Shahbazi Farahani et al.
Summary: The need for sustainable energy production and storage has led researchers to explore advanced functional materials. In this study, a reductive electrosynthesis method was used to prepare a trimetallic metal-organic framework (MOF) with excellent electrocatalytic and energy storage properties.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Review
Materials Science, Multidisciplinary
Jian-Bin Liu et al.
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.
Article
Chemistry, Physical
Kai Liu et al.
Summary: This study reports a facile one-pot synthesis method for high-performance electrocatalysts for oxygen reduction and oxygen evolution reactions, used as cathodes in metal-air batteries. The fabricated Pd-Pt-Ni trimetallic spiral nanosheets exhibit excellent electrocatalytic activity and rechargeability, achieved through template-directed growth and partial in situ oxidation. This work demonstrates the importance of atomic-level manipulation for designing high-performance energy conversion heterocatalysts.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Chemistry, Multidisciplinary
Xuyan Zhou et al.
Summary: Heteronuclear double-atom catalysts modify the charge density of active metal sites and enhance catalytic activities. CoFe-N-C exhibits exceptional ORR and OER electro-catalytic activities in alkaline media.
Article
Multidisciplinary Sciences
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.
Article
Chemistry, Physical
Zihan Meng et al.
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.
MATERIALS TODAY ENERGY
(2022)
Article
Chemistry, Multidisciplinary
Kun Wang et al.
Summary: A versatile molten salt-assisted pyrolysis strategy was developed to construct ultrathin, porous carbon nanosheets supported Co single-atom catalysts (SACs). The SACs exhibited excellent bifunctional activity and stability and outperformed commercial catalysts in metal-air batteries.
Article
Chemistry, Multidisciplinary
Fei Chen et al.
Summary: In this study, single-atom iron anchored nitrogen-rich g-C3N4 nanotubes were designed and synthesized as catalysts for eliminating organic pollutants. Eco-friendly peracetic acid was used as the oxidant for Fenton-like reactions. The constructed heterogenous system achieved enhanced degradation of various organic contaminants over a wide pH range, exhibiting ultrahigh and stable catalytic activity. The study provides opportunities for significantly improving catalytic efficiency by developing novel catalysts with multiple active units.
ADVANCED MATERIALS
(2022)
Review
Multidisciplinary Sciences
Yuhui Chen et al.
Summary: Metal-air batteries have received much attention due to their high theoretical energy densities. However, they face scientific challenges such as metal dendrite formation/deformation and kinetics of redox mediators. Addressing these issues is crucial for improving battery performance.
Article
Multidisciplinary Sciences
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.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Physical
Subramanian Natarajan et al.
Summary: This study developed a sustainable recycling technology by reusing all components of spent LIBs for energy storage, conversion, and harvesting applications. Effective recycling of graphite anode and metallic aluminium cases allowed the production of graphene sheets for high-energy density supercapacitors. The spent cathode was regenerated as a novel bifunctional electrocatalyst for water splitting, while the metallic current collectors and polymeric separator were reused to construct a triboelectric nanogenerator.
Article
Chemistry, Physical
Linqian Wang et al.
Summary: To meet the increasing demand for sustainable energy sources, aqueous metal-air batteries have gained significant attention. However, their practical discharge performance falls short of expectations. This work presents an in-depth understanding of the working mechanism of aqueous metal-air batteries and recent advances in electrolyte development. The critical issues faced by conventional aqueous zinc-air, aluminum-air, and magnesium-air batteries are thoroughly discussed, along with potential solutions through electrolyte modification. Future research directions for electrolyte systems in aqueous metal-air batteries are also proposed.
ENERGY STORAGE MATERIALS
(2022)
Article
Chemistry, Physical
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.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Peng Rao et al.
Summary: This study reports a practical approach for the large-scale synthesis of SACs, where metal salts are transformed into single-metal atoms through plasma treatment and trapped by defective and nitrogenous sites of supports. The prepared SAC-Fe/NC shows remarkable ORR performance, and an adsorbent-induced spin-crossover ORR mechanism is proposed.
CELL REPORTS PHYSICAL SCIENCE
(2022)
Article
Electrochemistry
Peng Rao et al.
Summary: This study presents a single-atom catalyst, Co-SAC/NC, designed via a highly efficient plasma-bombing strategy, which exhibits robust ORR performance in an alkaline medium and excellent battery performance as an air-cathode catalyst in a zinc-air battery. Theoretical calculations reveal the structural evolution of the catalyst and the rate-determining step of the reaction.
Review
Chemistry, Multidisciplinary
Yuchao Wang et al.
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.
Review
Materials Science, Multidisciplinary
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.
Article
Multidisciplinary Sciences
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.
NATURE COMMUNICATIONS
(2021)
Review
Chemistry, Physical
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.
ADVANCED ENERGY MATERIALS
(2021)
Article
Multidisciplinary Sciences
Ashwani Kumar et al.
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.
NATURE COMMUNICATIONS
(2021)
Article
Energy & Fuels
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.
Article
Chemistry, Physical
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.
Article
Chemistry, Physical
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.
ACS APPLIED ENERGY MATERIALS
(2021)
Review
Chemistry, Multidisciplinary
Lulu Li et al.
CHEMICAL SOCIETY REVIEWS
(2020)
Review
Chemistry, Multidisciplinary
Hojin Jeong et al.
Article
Chemistry, Multidisciplinary
Defeng Qi et al.
Review
Chemistry, Physical
Xinlong Tian et al.
Article
Chemistry, Multidisciplinary
Xiaopeng Han et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2019)
Article
Chemistry, Multidisciplinary
Yu Wang et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2019)
Article
Multidisciplinary Sciences
Xinlong Tian et al.
Review
Materials Science, Multidisciplinary
Hao-Fan Wang et al.
Article
Chemistry, Multidisciplinary
Sufeng An et al.
Review
Chemistry, Multidisciplinary
Fangyi Cheng et al.
CHEMICAL SOCIETY REVIEWS
(2012)
Article
Electrochemistry
Adam Holewinski et al.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2012)
Article
Chemistry, Physical
SL Chen et al.
JOURNAL OF PHYSICAL CHEMISTRY B
(2004)
