Pristine MOF Materials for Separator Application in Lithium–Sulfur Battery DOI Creative Commons
Zhibin Cheng, Jie Lian, Jindan Zhang

et al.

Advanced Science, Journal Year: 2024, Volume and Issue: 11(31)

Published: June 18, 2024

Abstract Lithium–sulfur (Li–S) batteries have attracted significant attention in the realm of electronic energy storage and conversion owing to their remarkable theoretical density cost‐effectiveness. However, Li–S continue face challenges, primarily severe polysulfides shuttle effect sluggish sulfur redox kinetics, which are inherent obstacles practical application. Metal‐organic frameworks (MOFs), known for porous structure, high adsorption capacity, structural flexibility, easy synthesis, emerged as ideal materials separator modification. Efficient interception/conversion ability rapid lithium‐ion conduction enabled by MOFs modified layers demonstrated batteries. In this perspective, objective is present an overview recent advancements utilizing pristine MOF modification separators The mechanisms behind enhanced electrochemical performance resulting from each design strategy explained. viewpoints crucial challenges requiring resolution also concluded Moreover, some promising concepts based on proposed enhance investigate adsorption/conversion mechanisms. These efforts expected contribute future advancement advanced

Language: Английский

Synergizing Spatial Confinement and Dual‐Metal Catalysis to Boost Sulfur Kinetics in Lithium–Sulfur Batteries DOI
Xiaoyan Ren, Qin Wang,

Yulai Pu

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(44)

Published: July 19, 2023

Sluggish kinetics and parasitic shuttling reactions severely impede lithium-sulfur (Li-S) battery operation; resolving these issues can enhance the capacity retention cyclability of Li-S cells. Therefore, an effective strategy featuring core-shell-structured Co/Ni bimetal-doped metal-organic framework (MOF)/sulfur nanoparticles is reported herein for addressing problems; this approach offers unprecedented spatial confinement abundant catalytic sites by encapsulating sulfur within ordered architecture. The protective shells exhibit long-term stability, ion screening, high lithium-polysulfide adsorption capability, decent multistep conversion. Additionally, delocalized electrons MOF endow cathodes with superior electron/lithium-ion transfer ability. Via multiple physicochemical theoretical analysis, resulting synergistic interactions are proved to significantly promote interfacial charge-transfer kinetics, facilitate conversion dynamics, inhibit shuttling. assembled batteries deliver a stable, highly reversible marginal decay (0.075% per cycle) 400 cycles at 0.2 C, pouch-cell areal 3.8 mAh cm-2 200 under loading, as well remarkably improved performance.

Language: Английский

Citations

72

Rechargeable Metal-Sulfur Batteries: Key Materials to Mechanisms DOI
Weiqi Yao, K. T. Liao, Tianxing Lai

et al.

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(8), P. 4935 - 5118

Published: April 10, 2024

Rechargeable metal-sulfur batteries are considered promising candidates for energy storage due to their high density along with natural abundance and low cost of raw materials. However, they could not yet be practically implemented several key challenges: (i) poor conductivity sulfur the discharge product metal sulfide, causing sluggish redox kinetics, (ii) polysulfide shuttling, (iii) parasitic side reactions between electrolyte anode. To overcome these obstacles, numerous strategies have been explored, including modifications cathode, anode, electrolyte, binder. In this review, fundamental principles challenges first discussed. Second, latest research on is presented discussed, covering material design, synthesis methods, electrochemical performances. Third, emerging advanced characterization techniques that reveal working mechanisms highlighted. Finally, possible future directions practical applications This comprehensive review aims provide experimental theoretical guidance designing understanding intricacies batteries; thus, it can illuminate pathways progressing high-energy-density battery systems.

Language: Английский

Citations

70

The Origin of Strain Effects on Sulfur Redox Electrocatalyst for Lithium Sulfur Batteries DOI Open Access
Chenghao Zhao,

Yang Huang,

Bo Jiang

et al.

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 14(5)

Published: Dec. 8, 2023

Abstract Introducing strain is considered an effective strategy to enhance the catalytic activity of host material in lithium‐sulfur batteries (LSB). However, introduction through chemical methods often inevitably leads changes composition and phase structure, making it difficult truly reveal essence root cause enhancement. In this paper, into MoS 2 introduced a simple heat treatment quenching. Experimental research theoretical analysis show that raises parts antibonding orbitals Mo─S bonds above Fermi level weakens Li─S S─S bonds, resulting tight anchoring accelerating conversion for lithium polysulfides (LiPSs). The cells based on with high delivers initial discharge specific capacity as 1265 mAh g −1 under 0.2 C low average fading 0.041% per cycle during 1500 cycles 1 C. This work deeply reveals origin effects reaction process LSB, providing important design principles references rational high‐performance materials future.

Language: Английский

Citations

66

Co/Mon Invigorated Bilateral Kinetics Modulation for Advanced Lithium–Sulfur Batteries DOI

Yueyue Kong,

Lu Wang,

Muhammad Mamoor

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(13)

Published: Dec. 22, 2023

Abstract Sluggish sulfur redox kinetics and Li‐dendrite growth are the main bottlenecks for lithium–sulfur (Li–S) batteries. Separator modification serves as a dual‐purpose approach to address both of these challenges. In this study, Co/MoN composite is rationally designed applied modifier modulate electrochemical on sides cathode lithium anode. Benefiting from its adsorption‐catalysis function, decorated separators (Co/MoN@PP) not only effectively inhibit polysulfides (LiPSs) shuttle accelerate their conversion but also boost Li + flux, realizing uniform plating/stripping. The accelerated LiPSs excellent reversibility triggered by modified evidenced performance, in‐situ Raman detection theoretical calculations. batteries with Co/MoN@PP achieve high initial discharge capacity 1570 mAh g −1 at 0.2 C low decay rate 0.39%, transportation 1 mA cm −2 over 800 h. Moreover, areal 4.62 achieved under mass loadings 4.92 mg . This study provides feasible strategy rational utilization synergistic effect multifunctional microdomains solve problems anode S toward long‐cycling Li–S

Language: Английский

Citations

61

Chlorine bridge bond-enabled binuclear copper complex for electrocatalyzing lithium–sulfur reactions DOI Creative Commons

Qin Yang,

Jinyan Cai,

Guanwu Li

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: April 15, 2024

Abstract Engineering atom-scale sites are crucial to the mitigation of polysulfide shuttle, promotion sulfur redox, and regulation lithium deposition in lithium–sulfur batteries. Herein, a homonuclear copper dual-atom catalyst with proximal distance 3.5 Å is developed for batteries, wherein two adjacent atoms linked by pair symmetrical chlorine bridge bonds. Benefiting from their unique coordination, increased active interface concentration synchronously guide evolutions species. Such delicate design breaks through activity limitation mononuclear metal center represents concept battery realm. Therefore, remarkable areal capacity 7.8 mA h cm −2 achieved under scenario content 60 wt. %, mass loading 7.7 mg electrolyte dosage 4.8 μL −1 .

Language: Английский

Citations

54

Recent advances and strategies of metal phosphides for accelerating polysulfide redox and regulating Li plating DOI

Yi Yang,

Bowen Sun, Zhiqiang Sun

et al.

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 510, P. 215836 - 215836

Published: April 12, 2024

Language: Английский

Citations

39

Green synthesis and applications of MXene for lithium–sulfur batteries DOI

Ying Xian Li,

Yu Shuai Feng,

Lan Xing Li

et al.

Energy storage materials, Journal Year: 2024, Volume and Issue: 67, P. 103257 - 103257

Published: Feb. 11, 2024

Language: Английский

Citations

33

Regulate transportation of ions and polysulfides in all–solid-state Li-S batteries using ordered-MOF composite solid electrolyte DOI Creative Commons
J. G. Li, Fangxi Xie, Weiwei Pang

et al.

Science Advances, Journal Year: 2024, Volume and Issue: 10(11)

Published: March 13, 2024

A dilemma arises when striving to balance the maximum desired ion conductivity and minimize undesired lithium polysulfide shuttling effect for all-solid-state lithium-sulfur batteries (ASSLSBs). Here, we introduce a strategy of using ordered MIL-125-NH

Language: Английский

Citations

24

Rare Earth Single‐Atom Catalysis for High‐Performance Li−S Full Battery with Ultrahigh Capacity DOI
Rong Zhou,

Yongqiang Ren,

Weixin Li

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(31)

Published: May 18, 2024

Lithium-sulfur (Li-S) batteries have many advantages but still face problems such as retarded polysulfides redox kinetics and Li dendrite growth. Most reported single atom catalysts (SACs) for Li-S are based on d-band transition metals whose d orbital constitutes active valence band, which is inclined to occur catalyst passivation. SACs 4f inner of rare earth challenging their great difficulty be activated. In this work, we design synthesize the first metal Sm has electron-rich promote catalytic conversion uniform deposition Li. enhance catalysis by activated through an f-d-p hybridization. Using Sm-N

Language: Английский

Citations

18

Multi-heterostructured MXene/NiS2/Co3S4 with S-Vacancies to Promote Polysulfide Conversion in Lithium–Sulfur Batteries DOI
Qian Wang,

Shaoming Qiao,

Chunhong Huang

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(19), P. 24502 - 24513

Published: May 6, 2024

The severe shuttle effect of polysulfides (LiPSs) and the slow liquid–solid phase conversion are main obstacles hindering practical application lithium–sulfur (Li–S) batteries. Separator modification with a high-activity catalyst can boost LiPSs suppress their effect. In this work, multi-heterostructured MXene/NiS2/Co3S4 rich S-vacancies was constructed facilely hydrothermal high-temperature annealing strategy for separator modification. MXene sheet not only provides physical barrier but also ensures high conductivity adsorption capacity catalyst; dual active centers NiS2 Co3S4 catalyze conversion. addition, vacancies heterostructures modulate electronic structure catalyst, improve its intrinsic activity, reduce reaction barrier, thus facilitating ion/electron transport inhibiting Benefiting from these advantages, Li–S battery modified exhibits exciting discharge capacities (1495.4 mAh g–1 at 0.1C 549.0 6C) an excellent ultra-long cycle life (average decay rate 0.026% 2000 cycles 2C); sulfur loading 10.0 mg cm–2, operates nearly 80 0.2C, giving retention 75.76%. This work

Language: Английский

Citations

16