Engineering Bi/V/Mo‐Based Multicomponent Heterostructure Electrocatalyst Toward Robust Lithium–Sulfur Batteries and Mechanistic Insights into the Self‐Reconstruction DOI Open Access
Rong‐Jun Xie, Jizhong Zhou, Chulong Liu

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: March 13, 2025

Abstract The sluggish reaction kinetics and formidable shuttle effect of soluble lithium polysulfides (LiPSs) are thorny problems for the future industrialization lithium–sulfur (Li–S) batteries. Therefore, exploring efficient electrocatalysts to capture LiPSs accelerate their conversion is highly desirable yet tremendously challenging. Herein, a high‐efficiency Bi/Bi 2 O 3 /VMoN@rGO electrocatalyst with multifunctional active sites multilevel heterointerfaces elaborately designed Li–S Noteworthy, can greatly modulate electron distribution, facilitate charge transfer, optimize chemical absorption, enhance intrinsic activity, while rGO contributes high electrical conductivity, sufficient sites, robust structural stability. Thanks synergy different components, batteries employing functional separators exhibit impressive electrochemical performance sulfur utilization even under loading. More importantly, it discovered that Bi experience an phase evolution generate S amorphous crystalline phases, thereby bringing in unexpected enhancement. Furthermore, experimental results theoretical calculations authenticate reduced Li decomposition energy barrier achieved after situ reconstruction. This work not only provides new mechanistic insights into developing but also sheds light on regulating catalytic activity via self‐reconstruction.

Language: Английский

Three-dimensional decussated superstructure consisting of carbon nanotubes wrapped with Co3Fe7/Co5.47N nanocrystals for super lithium sulfur batteries DOI

Shilan Li,

Shengdong Jing,

Xiaoli Peng

et al.

Materials Today Chemistry, Journal Year: 2025, Volume and Issue: 43, P. 102488 - 102488

Published: Jan. 1, 2025

Language: Английский

Citations

10
Coupling Bifunctional Scaffolds with Slow Photon Effect for Synergistically Enhanced Photoassisted Lithium–Sulfur Battery Properties DOI

Ting Meng,

Xiaohan Wang, Wenbo Zhao

et al.

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 25, 2025

Photoassisted lithium-sulfur (Li-S) batteries offer a promising approach to enhance the catalytic transformation kinetics of polysulfide. However, development is greatly hindered by inadequate photo absorption and severe photoexcited carriers recombination. Herein, photonic crystal sulfide heterojunction structure designed as bifunctional electrode scaffold for photoassisted Li-S batteries. Inverse opal (IO) structures utilize slow photon effect that originates from their adjustable band gaps, giving them distinctive optical response characteristics. The incorporation SnS/ZnS within these IO frameworks further broadens light spectrum enhances charge transfer process. This efficient hybrid not only adsorption conversion polysulfides at cathode but also induces uniform Li nucleation anode. These contribute full output high reversible capability 1072 mAh g-1 maintain stable cycling 50 cycles. Additionally, specific capacity 698.8 still obtained even under sulfur loading up 4 mg cm-2. present strategy on battery properties can be extended rationally construct other energy storage devices.

Language: Английский

Citations

3
Controllable Synthesis of Sub‐10 nm ZnS Nanograins Confined in Micro‐Size Carbon Skeleton for Aqueous Zn–S Batteries DOI
Min Yang, Zichao Yan, Hui Zhang

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(45)

Published: June 3, 2024

Abstract Aqueous zinc–sulfur battery (AZSB) is a promising technology for energy storage, but its practical application severely limited by the sluggish redox kinetics and large volume expansion of sulfur cathode. Herein, controllable synthesis sub‐10 nm ZnS nanograins confined in micro‐size carbon skeleton (MN‐ZnS/C─H) as cathode AZSB reported. It revealed that source, polyvinylpyrrolidone (PVP), can weakly coordinate with Zn 2+ provide physical confinement inhibiting agglomeration during calcination process. Moreover, particle size (from to 350 nm) shape ZnS/carbon composite bulk sphere) be well controlled tuning chain length PVP. In unique hierarchical structure, an optimized ion transmission path, network not only ensures high electronic conductivity also maintains structure integrity upon variation, endowing MN‐ZnS/C─H electrode reversible capacity 370 mA h g −1 at 0.2 A , rate capability 209 4 long lifespan 210 cycles 93.2% retention 2 .

Language: Английский

Citations

13
Effects of O, S, and P in transition-metal compounds on the adsorption and catalytic ability of sulfur cathodes in lithium–sulfur batteries DOI Creative Commons
Meng Du,

Jiakang Shi,

Yuxiao Shi

et al.

Chemical Science, Journal Year: 2024, Volume and Issue: 15(25), P. 9775 - 9783

Published: Jan. 1, 2024

This work studies the effects of anionic species on adsorption and catalytic abilities sulfur cathodes. The results show that P-doped metal compounds are more beneficial for inhibiting shuttle effect improving reaction kinetics.

Language: Английский

Citations

10
Valence Electronic Modulation Induced by Reinforcing Interfacial Coupling for Expediting Sulfur Redox in Li─S Batteries DOI Open Access
Kai Chen, Yanyun Zhang, Zhongxiong Fan

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 16, 2025

Abstract The practical application of rechargeable Lithium−sulfur (Li−S) batteries has been suffering from the serious “shuttle effect” soluble lithium polysulfides (LiPSs) and slow electrochemical kinetics, development high‐efficiency electrocatalysts still remains a challenge. Herein, quasi‐plane heterostructures composed vertically aligned metallic 1T‐MoSe 2 nanosheets evenly distributed on topological insulator Bi Se 3 substrates (1T‐MoSe /Bi ) are designed through two‐step hot‐injection solvothermal method. In comparison with 2H‐MoSe , incomplete paired orbitals attached lamellar surface contribute to establishment stronger interfacial coupling give rise valence electron modulation between Mo 4 d 6 p orbits in heterostructures, thus conduce weak S‐S bonding energy reduce diffusion barrier LiPSs. Theoretical experimental evaluations further elucidate enhanced chemical affinity superior catalytic performance toward Remarkably, assembled Li−S modified separator exhibits long‐term cycling stability only 0.039% capacity decay per cycle at 1 C over 1000 cycles. This study emphasizes importance interface design combined phase engineering for industrial batteries.

Language: Английский

Citations

2
Enhancing Lithium–Sulfur Battery Performance with MXene: Specialized Structures and Innovative Designs DOI Creative Commons
Fei Li,

Shijie Mei,

Xing Ye

et al.

Advanced Science, Journal Year: 2024, Volume and Issue: unknown

Published: July 25, 2024

Established in 1962, lithium-sulfur (Li-S) batteries boast a longer history than commonly utilized lithium-ion counterparts such as LiCoO

Language: Английский

Citations

9
Micro–Nanostructure Designed CoP@MoS2 Accelerating Polysulfide Conversion and Reaction Kinetics for Lithium–Sulfur Battery DOI
Xiaofei Wang,

Ganfan Zhang,

Bing Wang

et al.

ACS Sustainable Chemistry & Engineering, Journal Year: 2024, Volume and Issue: 12(37), P. 14018 - 14027

Published: Sept. 2, 2024

The shuttle effect and sluggish conversion kinetics of lithium polysulfides are the main bottlenecks for widespread application lithium–sulfur (Li-S) battery. Herein, by incorporating merits high electronic conductivity highly dispersed micrometer-scale cobalt phosphide (CoP) with excellent catalytic activity, molybdenum disulfide (MoS2), uniformly MoS2 nanosheets on surface cube CoP can be developed, which endows CoP@MoS2 smooth ion/electron transfer paths, effective catalysis, maximum active sites. After applying as a separator modifier in Li-S battery, battery deliver initial discharge capacity (1321 mAh g–1 at 0.1 C), rate capability (837 2 stable cycling performance (0.101% decay after 250 cycles 0.5 suggesting great prospects micro–nanostructure catalyst batteries.

Language: Английский

Citations

8
A Review of Advances in Heterostructured Catalysts for Li–S Batteries: Structural Design and Mechanism Analysis DOI
Kaiyuan Zhang, Zhiqiang Zhao, Huan Chen

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 15, 2024

Lithium-sulfur (Li-S) batteries, acclaimed for their high energy density, cost-effectiveness, and environmental benefits, are widely considered as a leading candidate the next-generation storage systems. However, commercialization is impeded by critical challenges, such shuttle effect of lithium polysulfides sluggish reaction kinetics. These issues can be effectively mitigated through design heterojunction catalysts. Despite remarkable advancements in this field, comprehensive elucidation underlying mechanisms structure-performance relationships catalysts sulfur electrocatalysis systems remains conspicuously absent. Here, it expounded upon heterostructure engineering Li-S batteries latest guided these multifarious examined. Furthermore, illuminates groundbreaking paradigms design, encompassing realms composition, structure, function, application. Finally, research trends future development directions novel materials extensively deliberated. This study not only provides profound understanding but also facilitates exploration new electrocatalyst

Language: Английский

Citations

8
Self‐Supported Tungsten Nitride and Carbide Heterostructures with Vanadium Doping Tandemly Catalyze the Conversion of Polysulfides for Lithium‐Sulfur Batteries DOI
Yongqing Chen, Xudong Zhang,

Qidi Chen

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 10, 2024

Abstract The intrinsically sluggish sulfur reduction reaction kinetics and serious shuttle effect of soluble lithium polysulfides (LiPSs) severely impede the practical commercialization lithium‐sulfur (Li‐S) batteries. Herein, self‐supported tungsten nitride carbide heterostructures with vanadium doping that are directly grown on carbon cloth substrate (CC@V‐W 2 N/WC 1‐ x ) creatively designed for Li‐S batteries, which can tandemly catalyze liquid–liquid conversion liquid–solid polysulfide intermediate free any interference from polymer binders conductive additives. Noteworthy, rich heterointerfaces beneficial rapid charge transfer, strong chemical adsorption toward LiPSs, massive exposed catalytically active sites, remarkable catalytic activities. Consequently, batteries assembled CC@V‐W /S cathodes exhibit high utilization, superior rate capability, decent long‐term cycling stability. Furthermore, experimental analyses theoretical calculations jointly substantiate V‐W N component is more effective in catalyzing long‐chain while V‐WC benefits favorable Li S deposition kinetics. More importantly, pouch cells also fabricated to demonstrate their feasibility applications. This work not only highlights significance tandem catalysis consecutive LiPSs but provides a feasible avenue developing highly efficient electrocatalysts high‐performance

Language: Английский

Citations

7
Design of Ni-based heterostructured catalyst with Ni3+ for enhanced bidirectional sulfur conversion DOI
Yurui Wu, Wei Li, Hengzhi Liu

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 158643 - 158643

Published: Dec. 1, 2024

Language: Английский

Citations

7