Regulation of sulfur molecules for advanced lithium–sulfur batteries: strategies, mechanisms, and characterizations DOI Creative Commons

Lei Wang,

Liang Zhang

Surface Science and Technology, Journal Year: 2024, Volume and Issue: 2(1)

Published: Nov. 18, 2024

Abstract Lithium–sulfur (Li–S) batteries have been regarded as the pinnacle in domain of high-energy-density Li–metal batteries, mainly because their high theoretical specific capacity and natural abundance. However, practical implementation is chiefly impeded by sluggish redox kinetics lithium polysulfides (LiPSs) parasitic shuttle effect, which are associated with intrinsic physiochemical properties multiphase sulfur species. On this account, rationally regulating species at molecular level promising to achieve ample opportunities circumvent these key stumbling blocks, hence driving application Li–S technology. Herein, recent achievements tailoring structures summarized reviewed, including low-order molecules, heteroatom-doped LiPSs-based functional intermediates. Moreover, some advanced characterizations allowing structural chemical environment detection regulated species, such X-ray absorption spectroscopy, emission neutron scattering, pair distribution function, also discussed, aimed propelling research Finally, future perspectives on engineering provided enlighten development batteries.

Language: Английский

The Confined Protonated Pyridinium within Covalent Organic Frameworks Symmetrically Intensifying the Sulfur-Species-Related Redox Reactions in Lithium–Sulfur Batteries DOI
Yanan Zhang, Jia Ke, Hongbing Lu

et al.

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

Published: April 29, 2025

Speeding up ion transfer in lithium-sulfur batteries (LSBs) and mitigating kinetic sluggishness are key strategies for high specific capacities. From the perspective of balancing promoting redox reactions LSBs, protonated pyridinium covalent organic frameworks (COFs) (PDTA-COF:TFSI-) synthesized. PDTA-COF:TFSI- topologically grows self-assembles into a one-dimensional (1D) fiber-like morphology. These 1D COFs assemblies finally form three-dimensional (3D) network with confined hexagonal cavities about 2.3 nm diameter. Owing to these pyridiniums, serve as microreactors sulfur-species-related reactions. has electrolyte affinity guarantees targeted toward pyridinium. Due reduced mass barrier ions, Li+ transference number ionic conductivity reach 0.81 1.62 mS cm-1 at 25 °C, respectively. Density functional theory (DFT) calculations Tafel performances confirm that, owing integration aforementioned multiple functions within microreactors, symmetrically intensified, mediated by thiosulfate through δ+-charged transition state. The (-)Li|PDTA-COF:TFSI-@PP|S(+) cell demonstrates reversible capacity 1330.8 mAh g-1 retention rate 96.4%, even after 400 cycles 0.1C.

Language: Английский

Citations

0
Activating Transition-Metal Oxides through In Situ Regulation of Lower Hubbard Band for Catalytic Conversion of Lithium Polysulfides DOI
Pan Zeng, Yong‐Sheng Hu, Bin Su

et al.

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

Published: April 30, 2025

Catalytic conversion of lithium polysulfides (LiPSs) is regarded as an effective avenue to tackle the shuttle effect lithium-sulfur (Li-S) batteries, especially based upon transition-metal oxides (TMOs). However, activity origin and corresponding mechanistic insights into such catalytic systems remain elusive. Herein, activated state associated with lower Hubbard band (LHB) transition proposed elucidate TMOs by taking Mn3O4 a model electrocatalyst. Specifically, broadening LHB width, upshift position, orbital rearrangement LHB, triggered in situ substitution O atoms S LiPSs under working conditions, synergistically enable fast electron transfer modulate adsorption capability moderate level. Benefiting from these advantages, electrocatalyst converted torpid for expediting LiPS conversion. Eventually, Li-S batteries assembled deliver excellent rate performance over 6 C outstanding cycling stability 1000 cycles. Moreover, Ah-scale pouch cell constructed delivers notable energy density 388.1 W h kg-1. Our work offers promising pathway on regulation designing high-performance electrocatalysts beyond.

Language: Английский

Citations

0
Engineering the local micro-environment of active materials in rechargeable alkali metal based batteries DOI
Rongnan Guo, Zixu Sun,

Jinhai He

et al.

Coordination Chemistry Reviews, Journal Year: 2025, Volume and Issue: 533, P. 216525 - 216525

Published: Feb. 21, 2025

Language: Английский

Citations

0
Recent Progress on the Self-Discharge of Lithium–Sulfur Batteries DOI

Yun Shen,

Kai Ding, Mingyang Zhong

et al.

ACS Applied Energy Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 31, 2025

Language: Английский

Citations

0
Incorporating Co Nanoparticles into SiOx Anodes for High-Performance Lithium-Ion Batteries DOI
L. Yang, Tong Chen, Shuyuan Chen

et al.

ACS Applied Energy Materials, Journal Year: 2025, Volume and Issue: unknown

Published: May 7, 2025

Language: Английский

Citations

0
Construction of spontaneous built‐in electric field on heterointerface furnishing continuous efficient adsorption-directional migration-conversion of polysulfides DOI
Junwei Xu, Shuai Wang, Haihui Zhou

et al.

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 682, P. 491 - 501

Published: Nov. 29, 2024

Language: Английский

Citations

1
Strong Ion‐Dipole Interactions for Stable Zinc‐Ion Batteries with Wide Temperature Range DOI

Hao Huang,

Qing Bo Du, Zixuan Chen

et al.

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

Published: Nov. 5, 2024

Abstract Aqueous zinc‐ion batteries are widely recognized as promising alternatives to lithium due their excellent safety, environmental compatibility, and cost‐effectiveness. Nonetheless, the formation of dendrites, corrosion, undesirable side reactions on zinc surface pose significant challenges cycling stability batteries. In this study, polar propylene carbonate (PC) is paired with tetrafluoroborate anions establish a strong ion‐dipole interaction. Strong interaction can not only alter solvation structure ions but also facilitate dynamic double electric layer electrode, suppressing ZnF 2 interface carbonate, thereby facilitating uniform ion deposition, consequently improving battery over broad temperature range. Concretely, formulated electrolyte enhances wide range −30 40 °C, accompanied by capacity retention ≈100% even after 10 000 cycles at °C. The symmetrical utilizing exhibits stable performance for 1200 h 25 °C 1900 respectively. findings provide direction development long‐cycle capable operating

Language: Английский

Citations

1
Modulated t orbitals of spinel oxides for enhanced catalytic conversion of polysulfides in Li–S batteries DOI
Tong Chen, Cheng‐Wei Kao,

Lei Wang

et al.

Materials Today Chemistry, Journal Year: 2024, Volume and Issue: 43, P. 102490 - 102490

Published: Dec. 30, 2024

Language: Английский

Citations

1
Regulation of sulfur molecules for advanced lithium–sulfur batteries: strategies, mechanisms, and characterizations DOI Creative Commons

Lei Wang,

Liang Zhang

Surface Science and Technology, Journal Year: 2024, Volume and Issue: 2(1)

Published: Nov. 18, 2024

Abstract Lithium–sulfur (Li–S) batteries have been regarded as the pinnacle in domain of high-energy-density Li–metal batteries, mainly because their high theoretical specific capacity and natural abundance. However, practical implementation is chiefly impeded by sluggish redox kinetics lithium polysulfides (LiPSs) parasitic shuttle effect, which are associated with intrinsic physiochemical properties multiphase sulfur species. On this account, rationally regulating species at molecular level promising to achieve ample opportunities circumvent these key stumbling blocks, hence driving application Li–S technology. Herein, recent achievements tailoring structures summarized reviewed, including low-order molecules, heteroatom-doped LiPSs-based functional intermediates. Moreover, some advanced characterizations allowing structural chemical environment detection regulated species, such X-ray absorption spectroscopy, emission neutron scattering, pair distribution function, also discussed, aimed propelling research Finally, future perspectives on engineering provided enlighten development batteries.

Language: Английский

Citations

0