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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)
Article
Chemistry, Physical
Jianhao Lu et al.
Summary: In this study, an amorphous FeOOH catalyst was developed to enhance the sulfur reduction reaction in lithium-sulfur batteries. The results showed that the modified catalyst improved the electron transfer dynamics and accelerated the sulfur conversion reaction. Additionally, the catalyst exhibited enhanced electrical conductivity and stability.
ENERGY STORAGE 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)
Review
Chemistry, Multidisciplinary
Zi-Xian Chen et al.
Summary: This review provides a comprehensive overview of the development of high-energy-density Li-S pouch cells over the past 7 years and points out further research directions. The key design parameters for achieving actual high energy density are discussed, followed by an analysis of the progress made and the gap towards practical applications. Failure analysis and promotion strategies at the pouch cell level are also discussed. Lastly, the challenges and opportunities of high-performance Li-S pouch cells are presented.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Shuai Xie et al.
Summary: This study investigates the catalytic behavior and active-site geometry, oxidation state, and electronic structure of different metal centers embedded in nitrogen-doped graphene, providing insights into the impact of metal atoms in single metal atom catalysts (SACs) on Li-S redox behavior. The findings offer new guidelines for the development of highly active catalytic materials for high-performance Li-S batteries.
Article
Chemistry, Physical
Chuanchuan Li et al.
Summary: In this study, core-shell MoSe2@C nanorods are proposed and investigated as an electrocatalyst to accelerate polysulfide conversion in lithium-sulfur batteries. Experimental results confirm the electrocatalytic properties of MoSe2 and its influence on lithium-ion diffusion. The Li-S batteries using MoSe2 electrocatalyst exhibit excellent performance, with high specific capacity and sulfur loading.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Jiayi Wang et al.
Summary: In this study, the deficiency coordination of single-atom Fe site was predicted and validated to enhance sulfur immobilization and catalytic activity, leading to the preparation of a high-performance catalyst for Li-S batteries. The monodispersed FeN2-NC showed excellent electrochemical performance through tuning the coordination number.
ENERGY STORAGE MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Chao Zhou et al.
Summary: The study presents Pt single-atom regulated In2S3/Ti3C2 heterostructures for enhanced Li-S batteries. The heterostructures not only stabilize the reactions on the lithium anodes, but also suppress the shuttle effect of polysulfides and exhibit excellent electrocatalytic properties. The batteries modified with heterostructures show high initial discharge capacity, excellent rate performance, and remarkable cycling ability.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yaqin Qi et al.
Summary: This study reports a novel strategy using liquid metal (EGaSn) as an electrocatalyst to facilitate the redox reaction of lithium polysulfides (LiPSs) in lithium-sulfur batteries. Experimental and theoretical analyses reveal that the dynamically distributed Sn atoms in the liquid Ga matrix act as the main active catalytic center, providing a dynamic environment for the long-term stability of the catalytic system. With the participation of EGaSn, a tailor-made Li-S pouch cell with high specific energy density is successfully realized.
ADVANCED MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Zhiyuan Han et al.
Summary: This review systematically discusses the key issues of catalytic effect in lithium-sulfur batteries, including methods of observation, understanding, designing, and utilizing catalytic effect. Advanced in-situ techniques and band theory are applied to study the catalytic process and electronic structure, promoting the application and development of lithium-sulfur batteries.
Article
Multidisciplinary Sciences
Byong-June Lee et al.
Summary: By using redox-active interlayers consisting of sulfur-impregnated polar ordered mesoporous silica, the electrochemical reactivation of soluble polysulfides in lithium-sulfur batteries can be enabled, the lithium metal electrode can be protected, and the capacity and cycle life of the battery can be increased.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Physical
Yilong Lin et al.
Summary: Addressing the lithium polysulfide shuttle is crucial for high-energy-density lithium-sulfur batteries. In this study, LiPO2F2 is successfully demonstrated as a homogeneous catalyst in the electrolyte, mitigating the diffusion of polysulfides and improving the stability and capacity retention of the battery, while achieving high energy density.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Peiyu Zhao et al.
Summary: The stable and flexible electrostatic self-adapting PBM interface effectively regulates lithium-ion deposition to achieve dendrite-free lithium metal batteries under harsh conditions, with high Coulombic efficiency and cycling stability. The PBM interface also features a low reduction potential and long-term stability, enabling high energy density and cycling stability in realistic conditions.
ADVANCED ENERGY MATERIALS
(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
Yingyi Huang et al.
Summary: This study reports the successful development of a new cathode for lithium-sulfur batteries, which utilizes highly-carboxylated and negatively surface charged cellulose nanofibers as a backbone to achieve an ordered and dense structure while maintaining long cycle life. The results demonstrate the advantages of high capacity, gravimetric energy density, and volumetric energy density for large-scale practical applications.
ADVANCED ENERGY MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Yongshang Zhang et al.
Summary: This article introduces a new VG growth technique, constructing a nanofiber membrane for Li-S batteries with low N/P and E/S ratios, while simultaneously protecting the cathode and anode, resulting in high electrochemical performance and energy density.
Article
Nanoscience & Nanotechnology
Chen Zhao et al.
Summary: A novel cathode design for Li-S batteries utilizing single-atom Co catalyst and ZnS nanoparticles has successfully suppressed the shuttling effect, resulting in stable cycling and high energy performances.
NATURE NANOTECHNOLOGY
(2021)
Article
Chemistry, Multidisciplinary
Meng Zhao et al.
Summary: This study introduces diphenyl diselenide (DPDSe) as a redox co-mediator to accelerate the sulfur redox kinetics in lithium-sulfur batteries, improving rate performance and cycle stability. The use of DPDSe leads to faster sulfur redox kinetics, increased lithium sulfide deposition, and enhanced overall battery performance, demonstrating potential for high-energy density battery applications.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Wenxian Liu et al.
Summary: This study proposes a general strategy to enhance the electrocatalytic activities of 3d-transition-metal (hydro)oxides by introducing organic ligands into the framework. By involving weakly bonded ligands, the adsorption of intermediates can be optimized, leading to improved activity in the oxygen evolution reaction, for example.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Multidisciplinary
Ting Huang et al.
Summary: A dual-functional fibrous skeleton implanted with single-atom Co-N-x dispersion is designed to regulate both electrodes of lithium-sulfur batteries. By converting the fibrous carbon skeleton from lithiophobic to lithiophilic and optimizing the electrocatalytic activity of the Co-N-x species, the integrated batteries demonstrate improved performance in terms of dendritic formation and electrochemical conversion kinetics of sulfur.
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, Physical
Xing Zhou et al.
Summary: This study systematically investigates the size-dependent catalytic activity of Co catalysts in polysulfides conversion, demonstrating that single atomic Co exhibits superior charge transfer kinetics. By lowering the energy barrier for Li2S nucleation/dissolution, single atomic Co shows promising potential for high specific capacity in long-term cycling. The findings highlight the importance of size-dependent catalytic activity in enhancing the overall performance of Li-S batteries.
Review
Chemistry, Physical
Yingze Song et al.
ADVANCED ENERGY MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Zhengqing Ye et al.
ADVANCED MATERIALS
(2020)
Article
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Lili Shi et al.
ENERGY & ENVIRONMENTAL SCIENCE
(2020)
Review
Chemistry, Multidisciplinary
Ruopian Fang et al.
ADVANCED MATERIALS
(2019)
Article
Multidisciplinary Sciences
Xin Ye et al.
NATURE COMMUNICATIONS
(2019)
Article
Chemistry, Multidisciplinary
Jiarui He et al.
ENERGY & ENVIRONMENTAL SCIENCE
(2019)
Review
Chemistry, Multidisciplinary
Chao Wei et al.
CHEMICAL SOCIETY REVIEWS
(2019)
Article
Multidisciplinary Sciences
Xia Li et al.
NATURE COMMUNICATIONS
(2018)
Article
Chemistry, Physical
Fanglei Zeng et al.
JOURNAL OF MATERIALS CHEMISTRY A
(2017)
Article
Multidisciplinary Sciences
You-Gui Huang et al.
NATURE COMMUNICATIONS
(2016)
