Engineering Electrolyte Network Structure for Improved Kinetics and Dendrite Suppression in Zn‐S Batteries DOI Open Access

Yinfeng Guo,

Xiao‐Qing Zhu, Jia Zhang

et al.

Angewandte Chemie, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 27, 2024

Abstract Aqueous zinc‐sulfur batteries (Zn−S) are promising alternatives to conventional lithium‐ion technology due their high energy density, low cost, and enhanced safety. However, challenges such as slow redox kinetics of sulfur cathode conversion inadequate anode stability persist. This study demonstrates that by tuning the electrolyte structure with introduction propylene glycol methyl ether (PM) a co‐solvent ZnI 2 an additive, significant improvements at both electrodes could be achieved. Experimental theoretical calculations reveal larger polar −OH C−O−C electron‐donating groups in PM molecule can donate electrons for reaction I − /I 3 . Its role mediator improves reversibility cathodic transformation. Additionally, dipole moment induced hydroxyl enhances electron transfer from zinc promote decomposition anions (OTF ), improving interfacial anode. The synergistic effect pair enables battery deliver impressive capacity 1456 mAh g −1 density 471.8 Wh kg current 0.2 A

Language: Английский

Polyoxometalate/cobalt selenide functional separator for synergistic polysulfide anchoring and catalysis in lithium-sulfur batteries DOI

Tangsuo Li,

Yi Liu, Xuecheng Zhang

et al.

Journal of Energy Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Language: Английский

Citations

1
Reconstructing phase of vanadium oxides enables redox-catalysis manipulated reversible sulfur conversion for stable Zn-S batteries DOI Creative Commons
Hao Luo, Fan Li, Mingli Wang

et al.

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

Published: Jan. 1, 2024

Benefiting from a unique two-electron redox reaction during the (de) zincification process, Zn x V 2 3+/5+ O 5 hotspots can serve as medium to invoke catalytic effect for tuning bidirectional sulfur redox.

Language: Английский

Citations

8
Internal Electron Donor Accelerated Sulfur Redox for Aqueous Zn─S Batteries DOI
Hui Zhang, Min Yang,

Jin Xiao

et al.

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

Published: June 16, 2024

Abstract Improving the electrical conductivity of sulfur cathode while ensuring its high affinity to catalyst holds key facilitate reaction kinetics aqueous zinc–sulfur batteries. Herein, redox in electrolyte is accelerated by introducing selenium–sulfur bonds into structure build an internal electron transport path. The Se with less electronegativity can act as donor accelerate binding between S and Zn 2+ . Meanwhile, bonded electron‐poor state endows modified a strong I 3 − catalyst, which further facilitates conversion efficiency. Thus, assisted delivers excellent electrochemical performance terms reversible capacity (1490 mAh g −1 at 0.5 A ), competitive rate (1010 4 well outstanding cycle stability (735 after 500 cycles).

Language: Английский

Citations

6
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

4
Engineering Electrolyte Network Structure for Improved Kinetics and Dendrite Suppression in Zn‐S Batteries DOI

Yinfeng Guo,

Xiao‐Qing Zhu, Jia Zhang

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 27, 2024

Aqueous zinc-sulfur batteries (Zn-S) are promising alternatives to conventional lithium-ion technology due their high energy density, low cost, and enhanced safety. However, challenges such as slow redox kinetics of sulfur cathode conversion inadequate anode stability persist. This study demonstrates that by tuning the electrolyte structure with introduction propylene glycol methyl ether (PM) a co-solvent ZnI2 an additive, significant improvements at both electrodes could be achieved. Experimental theoretical calculations reveal larger polar -OH C-O-C electron-donating groups in PM molecule can donate electrons for reaction I-/I3 -. Its role mediator improves reversibility cathodic transformation. Additionally, dipole moment induced hydroxyl enhances electron transfer from zinc promote decomposition anions (OTF-), improving interfacial anode. The synergistic effect - pair enables battery deliver impressive capacity 1456 mAh g-1 density 471.8 Wh kg-1 current 0.2 A g-1.

Language: Английский

Citations

4
Optimization strategies for high-performance aqueous zinc-sulfur batteries: challenges and future perspectives DOI Open Access

Yunyan Chen,

Jiaoyi Ning, Yumei Wen

et al.

Energy Materials, Journal Year: 2025, Volume and Issue: 5(4)

Published: Jan. 23, 2025

Aqueous zinc-sulfur batteries (AZSBs) have emerged as promising candidates for high-energy density, cost-effective, and environmentally sustainable energy storage systems. Despite their potential, several challenges hinder the realization of high-performance AZSBs, including sluggish reaction kinetics, disproportionation reactions ZnS in water, low conductivity volume expansion sulfur cathode, poor wetting properties, dendrite growth issues zinc anode. This review comprehensively summarizes optimization strategies overcoming these challenges. We discuss cathode modification approaches, such sulfur/carbon composites, sulfide catalytic matrices, which address while enhancing conversion kinetics. Additionally, electrolyte engineering strategies, use iodide-based additives co-solvent modifications, are examined effectiveness improving kinetics properties. advancements, AZSBs still face with long-cycle stability. Therefore, this proposes future perspectives development AZSBs. aim to provide valuable insights into sulfur-based materials advance achievement

Language: Английский

Citations

0
Constructing the multidirectional electrocatalytic restriction network for high-performance zinc-sulfur batteries DOI
Xinqi Zhao, Jun Li,

Song Wang

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 163224 - 163224

Published: April 1, 2025

Language: Английский

Citations

0
Recent progress in zinc sulfur batteries: Mechanism, challenges, and perspectives DOI
Yuqi Guo, Gwendolyn J.H. Lim, Vivek Verma

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 498, P. 155329 - 155329

Published: Aug. 30, 2024

Language: Английский

Citations

3
Recent advancement in electrolyte optimization for rechargeable aqueous zinc–sulfur (Zn–S) batteries DOI
Liting Chen, Xiaoqing Liu, Yongchao Tang

et al.

Current Opinion in Electrochemistry, Journal Year: 2024, Volume and Issue: 47, P. 101555 - 101555

Published: June 15, 2024

Language: Английский

Citations

2
Engineering Electrolyte Network Structure for Improved Kinetics and Dendrite Suppression in Zn‐S Batteries DOI Open Access

Yinfeng Guo,

Xiao‐Qing Zhu, Jia Zhang

et al.

Angewandte Chemie, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 27, 2024

Abstract Aqueous zinc‐sulfur batteries (Zn−S) are promising alternatives to conventional lithium‐ion technology due their high energy density, low cost, and enhanced safety. However, challenges such as slow redox kinetics of sulfur cathode conversion inadequate anode stability persist. This study demonstrates that by tuning the electrolyte structure with introduction propylene glycol methyl ether (PM) a co‐solvent ZnI 2 an additive, significant improvements at both electrodes could be achieved. Experimental theoretical calculations reveal larger polar −OH C−O−C electron‐donating groups in PM molecule can donate electrons for reaction I − /I 3 . Its role mediator improves reversibility cathodic transformation. Additionally, dipole moment induced hydroxyl enhances electron transfer from zinc promote decomposition anions (OTF ), improving interfacial anode. The synergistic effect pair enables battery deliver impressive capacity 1456 mAh g −1 density 471.8 Wh kg current 0.2 A

Language: Английский

Citations

0