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Article
Multidisciplinary Sciences
Xun Sun et al.
Summary: In this study, an isolated Fe-Co heteronuclear diatomic catalyst is reported for high efficiency bifunctional catalysis in lithium-sulfur batteries. The Fe-Co diatomic catalytic materials supported by hollow carbon spheres achieve high-efficiency catalysis for the conversion of polysulfides and the decomposition of Li2S simultaneously. The excellent bifunctional catalytic activity originates from the diatomic synergy between Fe and Co atoms.
NATURE COMMUNICATIONS
(2023)
Article
Chemistry, Physical
Sha Li et al.
Summary: Researchers have developed a carbon-supported single-atom catalyst (SAC) for lithium-sulfur batteries. The catalyst not only immobilizes lithium polysulfide (LiPS) but also promotes sulfur redox reactions, leading to improved battery performance. The SACs showed high durability and areal capacities, even under harsh conditions.
ENERGY STORAGE MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Yifan Ding et al.
Summary: A generic and simple material strategy has been presented to fabricate advanced mediator for improved sulfur electrochemistry. The Li-S cells derived from this strategy exhibit impressive cyclic performances and durable areal capacity, indicating the potential for rationalizing the design and modulation of reliable polysulfide mediators in Li-S batteries.
Article
Engineering, Chemical
Zhenxin Zhao et al.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Jin-Lin Yang et al.
Summary: Atomically dispersed Ni-N4 and Fe-N4 dual sites coanchored on porous hollow carbon nanocages (Ni-Fe-NC) are fabricated and deployed as the sulfur host for Li-S battery, demonstrating high energy density, prolonged lifespan, and low polarization.
Article
Chemistry, Multidisciplinary
Xiaomin Zhang et al.
Summary: This study reports nitrogen (N)-anchored single-atom catalysts (SACs) on highly ordered N-doped carbon nanotube arrays as the sulfur host for fast redox conversion in lithium-sulfur (Li-S) batteries. The synergistic enhancement effect induced by adjacent single atoms with interatomic distances <1 nm further accelerates the rapid multi-step reaction of sulfur at high sulfur loadings. The obtained Li-S batteries exhibit outstanding cycle stability and high capacity, contributing to the development of practically viable Li-S batteries.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Physical
Fanchao Zhang et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Multidisciplinary
Weiqi Yao et al.
Summary: In this study, a P-doped nickel tellurium electrocatalyst was used as a functional layer on the separator of high-performance Li-S batteries, which successfully addressed the shuttle effect and sluggish polysulfide conversion kinetics. The combination of MSC nanosheets and P-doped NiTe2-x electrocatalyst improved the cyclability, rate performance, and areal capacity of the Li-S battery, while reducing the electrolyte/sulfur usage ratio.
ADVANCED MATERIALS
(2022)
Article
Multidisciplinary Sciences
Jie Lei et al.
Summary: The authors propose a polyoxometalate/multilayer graphene composite as a bifunctional electrocatalyst to improve the performance of Li-S batteries. The composite demonstrates efficient polysulfides adsorption and reduced activation energy for polysulfides conversion, making it an effective electrocatalyst. In experimental tests, the composite exhibits good cycling stability and high specific capacity in Li-S batteries.
NATURE COMMUNICATIONS
(2022)
Review
Chemistry, Multidisciplinary
Ziwei Liang et al.
Summary: The practical applications of lithium-sulfur batteries face limitations due to issues like lithium dendrite growth and polysulfide shuttling, but these hurdles can be mitigated by using single-atom catalysts (SACs) to enhance electrode materials performance. This review systematically summarizes recent progress in SACs for Li-metal anodes, S cathodes, and separators, highlighting their potential to improve energy-storage devices.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yifan Ding et al.
Summary: In this study, high-loading capacity Fe single-atom catalysts were prepared on a 3D hierarchical C3N4 structure using a biotemplated synthesis method. These catalysts promoted dual-directional sulfur redox and achieved durable cyclic performance and high areal capacity in practical Li-S batteries. This work offers a promising solution to optimize the carbonaceous support and coordination environment of single-atom catalysts, ultimately elevating dual-directional sulfur redox in Li-S batteries.
ADVANCED MATERIALS
(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
Energy & Fuels
Guangmin Zhou et al.
Summary: The authors analyze key Li-S cell parameters, propose an energy density calculation, and discuss the design targets for practical high-performance Li-S batteries.
Article
Chemistry, Multidisciplinary
Ting Huang et al.
Summary: A new type of single-atomic iron mediator with a designed FeN3P1 coordination structure is reported to boost bidirectional polysulfide conversion. The substitution by one P atom at the first-coordination shell of Fe center is found to strengthen adsorption toward sulfur species and reduce energy barrier for Li2S decomposition. The bidirectional electrocatalytic behavior for polysulfide conversion via FeN3P1 mediator is confirmed by electrokinetic analysis. This strategy offers an example in probing the correlation between the definitive structure of single atoms and their catalytic performance in Li-S chemistry.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Mengyang Chen et al.
Summary: The incorporation of Sm ions into Cu-SSZ-13 zeolites enhances the NH3-SCR performance by facilitating the formation of active [ZCu(2+)(OH)](+) ions and stabilizing them through electrostatic interaction, as evidenced by a series of experimental and theoretical studies.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Review
Chemistry, Physical
Zixiong Shi et al.
Summary: This article summarizes emerging strategies in the modulation of heterogeneous and homogeneous electrocatalysts, emphasizes the importance of deciphering bidirectional sulfur electrochemistry, and proposes a 3s electrocatalysis model to deepen understanding of the sulfur electrocatalytic mechanism.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Zihan Shen et al.
Summary: By studying the relationship between polysulfide adsorption ability and catalytic activity, researchers have discovered a volcano-shaped relationship. The study distinguishes between catalytic and anchoring effects, providing insights into the role of adsorption and catalyst passivation. These findings offer a rational viewpoint for designing and tuning the activity of Li-S catalysts.
Article
Chemistry, Multidisciplinary
Lianbo Ma et al.
Summary: A highly efficient electrocatalyst Fe/Co-N-HPC is constructed to capture and catalyze the conversion of polysulfides, thereby improving the performance of Li-S batteries, including outstanding rate capability and long-term cyclic stability.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Multidisciplinary Sciences
Baiyu Yang et al.
Summary: In this study, the authors successfully electrocatalytically reduced CO2 into high-value alcohols through the synergy between inorganic and organic phases. They found that copper complexes with higher intramolecular tension and coordination asymmetry exhibited higher catalytic activity. This study highlights the exploitation of structure-dependent electrochemical property to guide CO2 reduction pathways and provides a potential strategy for targeted alcohol synthesis by constructing organic/inorganic Cu hybrids.
NATURE COMMUNICATIONS
(2022)
Review
Chemistry, Physical
Lei Zhou et al.
Summary: Lithium-sulfur batteries have great potential but suffer from sluggish sulfur reduction reaction (SRR) kinetics, leading to poor sulfur utilization and impaired electrochemical performance. This review examines the critical issues of SRR in Li-S batteries, including the conversion mechanisms, reaction pathways, and recent advances in catalyst materials. Various characterization approaches for SRR are also discussed.
ADVANCED ENERGY MATERIALS
(2022)
Article
Engineering, Environmental
Zhenxin Zhao et al.
Summary: The researchers developed a Ni2P@NPG electrocatalyst to address the issues of shuttle effect and sluggish redox kinetics in lithium-sulfur batteries. The electrocatalyst reduces the accumulation of lithium polysulfides in the electrolyte and provides abundant conversion interfaces, resulting in improved cycling performance and rate capability of the batteries.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Multidisciplinary
Mu-Han Xu et al.
Summary: In this study, nitrogen-rich porous carbon nanotubes were used as the host material for the sulfur cathode in lithium-sulfur batteries. The resulting S@C composites showed a high specific capacity and improved cycling stability.
MATERIALS CHEMISTRY FRONTIERS
(2022)
Article
Chemistry, Multidisciplinary
Longbin Li et al.
Summary: This article summarizes the recent progress of dual-atom catalysts (DACs) in heterogeneous catalysis. The evolution of DACs from an unpopular discovery to a research hotspot is illustrated through a timeline. DACs are divided into three categories, and the potential active origins of DACs are revealed by comparing them with single-atom catalysts (SACs). The techniques for constructing DACs are systematically summarized. Furthermore, the underlying active origins of DACs in specific energy- and environment-related reactions are introduced in detail. The contribution of DACs to catalysis, particularly heterogeneous electrocatalysis, is affirmed, and the major challenges and development direction for DACs are discussed.
ACCOUNTS OF MATERIALS RESEARCH
(2022)
Article
Chemistry, Physical
Zhenxin Zhao et al.
Summary: The use of Fe3O4/HPC and FeP/HPC as dual-functional structure can enhance the immobilization and catalytic conversion of LiPS, ensuring uniform Li2S deposition and reducing dead sulfur in lithium-sulfur batteries.
Article
Chemistry, Multidisciplinary
Jingsheng Cai et al.
Summary: The ternary graphene-TiO2/TiN heterostructure is an efficient and robust electrocatalyst for accelerating sulfur redox kinetics, providing abundant anchoring points and sustained active sites for smooth bi-directional electrocatalysis.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Wuxing Hua et al.
Summary: Selective catalysis is proposed as a fundamental remedy for the shuttle effect of soluble lithium polysulfides in Li-S batteries, benefiting from its ability to decelerate the accumulation of polysulfides and enhance battery performance, as experimentally and theoretically demonstrated in this study.
ADVANCED MATERIALS
(2021)
Review
Chemistry, Multidisciplinary
Weiyu Zhang et al.
Summary: Atomically dispersed metal catalysts with well-defined structures have been a research hotspot in heterogeneous catalysis. Dual-atomic-site catalysts, as an extension of single-atom catalysts, possess higher metal loading and more flexible active sites, offering the potential for better catalytic performance.
ADVANCED MATERIALS
(2021)
Review
Chemistry, Multidisciplinary
Wenxin Guo et al.
Summary: Single-atom catalysts (SACs) are a promising new material with excellent activity, selectivity, and stability, making them ideal for various important reactions. The precise synthesis of SACs, including the control of coordination structure and choice of different systems, is crucial for their application in different fields. However, challenges in large-scale preparation and industrialization still need to be addressed for the rapid development of SACs.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Zixiong Shi et al.
Summary: The study demonstrates the successful manipulation of bidirectional Li2S redox through selective dual-defect engineering of a MoSe2 electrocatalyst. The electrokinetic analysis reveals the selective electrocatalytic effect of the two types of defects, leading to a deeper understanding of bidirectional sulfur electrochemistry. This selective electrocatalysis approach shows promise for practical applications in working Li-S systems.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Menglei Wang et al.
Summary: This study presents a novel catalyst SeVs-MoSe2 and investigates its performance in Li-S batteries, demonstrating that the MoSeS catalyst can enhance battery performance. The work provides important insights for designing efficient electrocatalysts.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Multidisciplinary
Jiangyue Chen et al.
ADVANCED MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Ruochen Wang et al.
ADVANCED MATERIALS
(2020)
Article
Chemistry, Physical
Lele Peng et al.
Article
Chemistry, Physical
Chong Luo et al.
ENERGY STORAGE MATERIALS
(2020)
Review
Chemistry, Multidisciplinary
Milan Jana et al.
ENERGY & ENVIRONMENTAL SCIENCE
(2020)
Article
Chemistry, Multidisciplinary
Sheng-Heng Chung et al.
ADVANCED MATERIALS
(2019)
Review
Chemistry, Multidisciplinary
Yong Wang et al.
Review
Chemistry, Multidisciplinary
Gaoran Li et al.
ADVANCED MATERIALS
(2018)
Article
Chemistry, Multidisciplinary
Gaoran Li et al.
ENERGY & ENVIRONMENTAL SCIENCE
(2018)
Article
Chemistry, Physical
Wenlong Huang et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2018)
Article
Multidisciplinary Sciences
Xiao Liang et al.
NATURE COMMUNICATIONS
(2015)
Review
Chemistry, Multidisciplinary
Arumugam Manthiram et al.
Review
Chemistry, Physical
Peter G. Bruce et al.
Article
Chemistry, Physical
Xiulei Ji et al.