Temperature-Robust Solvation Enabled by Solvent Interactions for Low-Temperature Sodium Metal Batteries DOI

Zhenxin Huang,

Zichun Xiao, Haihan Zhang

et al.

Journal of the American Chemical Society, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 28, 2025

The broad temperature adaptability associated with the desolvation process remains a formidable challenge for organic electrolytes in rechargeable metal batteries, especially under low-temperature (LT) conditions. Although traditional approach involves utilizing high degree of anion participation solvation structure, known as weakly (WSEs), structure these is highly susceptible to fluctuations, potentially undermining their LT performance. To address this limitation, we have devised an innovative electrolyte that harnesses interplay between solvent molecules, effectively blending strong and weak solvents while incorporating mostly unchanged by variations. Remarkably, competitive coordination two molecules introduces local disorder, which not only boosts ionic conductivity but also prevents salt precipitation solidification. Therefore, has 3.12 mS cm-1 at -40 °C. Na3V2(PO4)3||Na cells demonstrated reversible capacity 95.9 mAh g-1 °C, 87.6% room temperature, well stable cycling 3400 cycles retention 98.2% -20 °C 5 C 600 96.1% 1 C. This study provides new perspective on designing regulating temperature-robust structures.

Language: Английский

Green Ether Electrolytes for Sustainable High‐voltage Potassium Ion Batteries DOI

Xuemei Ma,

Hongwei Fu, Jingyi Shen

et al.

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(49)

Published: Oct. 17, 2023

Ether-based electrolytes are promising for secondary batteries due to their good compatibility with alkali metal anodes and high ionic conductivity. However, they suffer from poor oxidative stability toxicity, leading severe electrolyte decomposition at voltage biosafety/environmental concerns when leakage occurs. Here, we report a green ether solvent through rational design of carbon-chain regulation elicit steric hindrance, such structure significantly reducing the solvent's biotoxicity tuning solvation electrolytes. Notably, our is versatile, an anion-dominated favored, facilitating stable interphase formation on both anode cathode in potassium-ion batteries. Remarkably, ether-based demonstrates excellent K graphite 4.2 V high-voltage (200 cycles average Coulombic efficiency 99.64 %). This work points path toward molecular practical other rechargeable

Language: Английский

Citations

87
A Semisolvated Sole-Solvent Electrolyte for High-Voltage Lithium Metal Batteries DOI
Zhihong Piao, Xinru Wu,

Hong‐Rui Ren

et al.

Journal of the American Chemical Society, Journal Year: 2023, Volume and Issue: 145(44), P. 24260 - 24271

Published: Oct. 27, 2023

Lithium metal batteries (LMBs) coupled with a high-voltage Ni-rich cathode are promising for meeting the increasing demand high energy density. However, aggressive electrode chemistry imposes ultimate requirements on electrolytes used. Among various optimized investigated, localized high-concentration (LHCEs) have excellent reversibility against lithium anode. because they consist of thermally and electrochemically unstable solvents, inferior stability at elevated temperatures cutoff voltages. Here we report semisolvated sole-solvent electrolyte to construct typical LHCE solvation structure but significantly improved using one bifunctional solvent. The designed exhibits exceptional both electrodes suppressed dendrite growth, phase transition, microcracking, transition dissolution. A Li||Ni0.8Co0.1Mn0.1O2 cell this operates stably over wide temperature range from -20 60 °C has capacity retention 95.6% after 100th cycle 4.7 V, ∼80% initial is retained even 180 cycles. This new indicates path toward future engineering safe LMBs.

Language: Английский

Citations

87
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
Weakly solvating aqueous-based electrolyte facilitated by a soft co-solvent for extreme temperature operations of zinc-ion batteries DOI
Ruizhi Zhang, Wei Kong Pang, Jitraporn Vongsvivut

et al.

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(13), P. 4569 - 4581

Published: Jan. 1, 2024

The weakly solvating electrolyte achieves optimized interface chemistry and good temperature adaptability for aqueous zinc ion batteries.

Language: Английский

Citations

50
Restructuring Electrolyte Solvation by a Versatile Diluent Toward Beyond 99.9% Coulombic Efficiency of Sodium Plating/Stripping at Ultralow Temperatures DOI
Liang Hu,

Jiaojiao Deng,

Yuxiao Lin

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(17)

Published: Jan. 9, 2024

The reversible and durable operation of sodium metal batteries at low temperatures (LT) is essential for cold-climate applications but plagued by dendritic Na plating unstable solid-electrolyte interphase (SEI). Current Coulombic efficiencies plating/stripping LT fall far below 99.9%, representing a significant performance gap yet to be filled. Here, the solvation structure conventional 1 m NaPF

Language: Английский

Citations

49
Unraveling the temperature-responsive solvation structure and interfacial chemistry for graphite anodes DOI

Yanbing Mo,

Gaopan Liu, Jiawei Chen

et al.

Energy & Environmental Science, Journal Year: 2023, Volume and Issue: 17(1), P. 227 - 237

Published: Nov. 14, 2023

Correlations between the temperature-responsive solvation structure, interfacial chemistry and performance of graphite anodes are revealed to understand structure–property relationships, providing insights into designing temperature-adaptative batteries.

Language: Английский

Citations

45
A Critical Review on Room‐Temperature Sodium‐Sulfur Batteries: From Research Advances to Practical Perspectives DOI Creative Commons
Lingfei Zhao,

Ying Tao,

Yiyang Zhang

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(25)

Published: March 8, 2024

Abstract Room‐temperature sodium‐sulfur (RT‐Na/S) batteries are promising alternatives for next‐generation energy storage systems with high density and power density. However, some notorious issues hampering the practical application of RT‐Na/S batteries. Besides, working mechanism under conditions such as sulfur loading, lean electrolyte, low capacity ratio between negative positive electrode (N/P ratio), is essential importance applications, yet significance these parameters has long been disregarded. Herein, it comprehensively reviewed recent advances on Na metal anode, S cathode, separator engineering The discrepancies laboratory research elaborately discussed, endeavors toward applications highlighted, suggestions values crucial rationally proposed. Furthermore, an empirical equation to estimate actual pouch cells proposed first time, making possible evaluate gravimetric conditions. This review aims reemphasize vital bridge gaps applications.

Language: Английский

Citations

37
Strengthening d‐p Orbital‐Hybridization via Coordination Number Regulation of Manganese Single‐Atom Catalysts Toward Fast Kinetic and Long‐Life Sodium–Sulfur Batteries DOI
Zhiqiang Li, Xing Chen, Yao Ge

et al.

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

Published: March 13, 2024

Abstract The practical application of room‐temperature sodium‐sulfur (RT Na–S) batteries is blocked by the notorious shuttle effect sodium polysulfides (NaPSs) and sluggish refox reaction kinetics. Single‐atom catalysts (SACs) have been widely studied for boosting energy storage performance RT Na‐S batteries. Nevertheless, catalytic centers SACs reported so far focused mainly on symmetrical metal–N 4 structures, which offer weak bonding affinity toward polar NaPSs, leading to detrimental sulfur conversion Herein, a novel asymmetrical Mn–N 2 structure implanted into nitrogen‐doped carbon nanofibers (Mn‐N /CNs) through thermal NH 3 etching O structure. promotes NaPSs due strengthened d‐p orbital‐hybridization between d orbital Mn in p S NaPSs. Consequently, Mn‐N /CNs@S achieves high capacity 458 mAh g −1 at 3.0 C with decay 0.23% over 2300 cycles. This work offers promising pathway regulating coordination number high‐performance Na–S

Language: Английский

Citations

22
Weakly Coordinating Diluent Modulated Solvation Chemistry for High‐Performance Sodium Metal Batteries DOI
Jiaxin Li, Simi Sui, Xunzhu Zhou

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(21)

Published: March 16, 2024

Diluents have been extensively employed to overcome the disadvantages of high viscosity and sluggish kinetics high-concentration electrolytes, but generally do not change pristine solvation structure. Herein, a weakly coordinating diluent, hexafluoroisopropyl methyl ether (HFME), is applied regulate coordination Na

Language: Английский

Citations

22
In‐Depth Understanding of Interfacial Na+ Behaviors in Sodium Metal Anode: Migration, Desolvation, and Deposition DOI
Fei Huang, Peng Xu, Guozhao Fang

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(41)

Published: Aug. 17, 2024

Abstract Interfacial Na + behaviors of sodium (Na) anode severely threaten the stability sodium‐metal batteries (SMBs). This review systematically and in‐depth discusses current fundamental understanding interfacial in SMBs including migration, desolvation, diffusion, nucleation, deposition. The key influencing factors optimization strategies these are further summarized discussed. More importantly, high‐energy‐density anode‐free metal (AFSMBs) highlighted by addressing issues areas limited sources irreversible loss. Simultaneously, recent advanced characterization techniques for deeper insights into deposition behavior composition information SEI film spotlighted to provide guidance advancement AFSMBs. Finally, prominent perspectives presented guide promote development

Language: Английский

Citations

21