Highly Stable ZnS Anodes for Sodium-Ion Batteries Enabled by Structure and Electrolyte Engineering

ACS Nano, Год журнала: 2024, Номер 18(4), С. 3763 - 3774

Опубликована: Янв. 18, 2024

Zinc sulfide is a promising high-capacity anode for practical sodium-ion batteries, considering its high capacity and the low cost of zinc sulfur sources. However, pulverization particulate causes active mass collapse penetration-induced short circuits batteries. Herein, encapsulated in nitrogen-doped carbon shell (ZnS@NC) was developed high-performance anodes. The confinement effect stabilizes structure during cycling thanks to robust chemically electronically bonded connections between nanoparticles. Furthermore, stability ZnS@NC boosted by inorganic-rich solid electrolyte interphase (SEI) formed cyclic linear ether-based electrolytes. displayed reversible specific 584 mAh g

Язык: Английский

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Unlocking Charge Transfer Limitation in NASICON Structured Na₃V₂(PO₄)₃ Cathode via Trace Carbon Incorporation

Advanced Energy Materials, Год журнала: 2024, Номер 14(21)

Опубликована: Фев. 21, 2024

Abstract NASICON‐type cathode with remarkable ionic conductivity is perspective candidate for fast‐charging sodium‐ion battery. However, severely restricted by low electrical and poor interfacial kinetics, it usually delivers charge transfer kinetics. Different from traditional carbon compositing high contents, herein, a trace incorporation tactic proposed based on typical NASICON‐structured Na 3 V 2 (PO 4 ) . First, particle‐growth process of regulated via incorporating dot, significantly reducing its particle size to shorten diffusion path. Second, improved without sacrificing electrochemical activity due the incorporated content (0.76 wt.%). Third, ‐electrolyte interface structure optimized abundant functional groups enabling thin stable NaF‐rich CEI layer boost As result, dot endows ultrastable cyclability up 20 k cycles (capacity retention 98.4%) excellent rate capability (up 200 C) in half cell, as well energy density (368.7 Wh kg −1 fast charging property (≈110.2 s per 250.8 input) full cell. This study carves new path developing cathode, increasingly desired present storage applications.

Язык: Английский

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Insights into electrolyte-induced temporal and spatial evolution of an ultrafast-charging Bi-based anode for sodium-ion batteries

Energy storage materials, Год журнала: 2024, Номер 66, С. 103219 - 103219

Опубликована: Янв. 26, 2024

Язык: Английский

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Lignin-derived 0–3 dimensional carbon materials: Synthesis, configurations and applications

Industrial Crops and Products, Год журнала: 2023, Номер 204, С. 117342 - 117342

Опубликована: Авг. 21, 2023

Язык: Английский

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Bi@C nanosphere anode with Na⁺‐ether‐solvent cointercalation behavior to achieve fast sodium storage under extreme low temperatures

Carbon Energy, Год журнала: 2024, Номер 6(9)

Опубликована: Апрель 12, 2024

Abstract The low ion transport is a major obstacle for low‐temperature (LT) sodium‐ion batteries (SIBs). Herein, core‐shell structure of bismuth (Bi) nanospheres coated with carbon (Bi@C) constructed by utilizing novel Bi‐based complex (1,4,5,8‐naphthalenetetracarboxylic dianhydride as the ligand) precursor, which provides an effective template to fabricate anodes. At −40°C, Bi@C anode achieves high capacity, equivalent 96% that at 25°C, benefitting from nanostructured engineering and Na + ‐ether‐solvent cointercalation process. special ‐diglyme behavior may effectively reduce activation energy accelerate diffusion kinetics, enabling excellent performance electrode. As expected, fabricated 3 V 2 (PO 4 ) //Bi@C full‐cell delivers impressive rechargeability in ether‐based electrolyte −40°C. Density functional theory calculations electrochemical tests also reveal fast reaction kinetic mechanism LT, thanks much lower barrier (167 meV) (32.2 kJ mol −1 comparison bulk Bi. This work rational design electrodes rechargeable SIBs under extreme conditions.

Язык: Английский

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Synthesis strategies of hard carbon anodes for sodium-ion batteries

Materials Reports Energy, Год журнала: 2024, Номер 4(2), С. 100268 - 100268

Опубликована: Март 17, 2024

Sodium-ion battery (SIB) is an ideal candidate for large-scale energy storage due to high abundant sodium sources, relatively density, and potentially low costs. Hard carbons, as one of the most promising anodes, could deliver plateau capacities at potentials, which boosts densities SIBs. Their slope have been demonstrated from defect adsorption ions, while capacity depends highly on intercalation pore filling. Nevertheless, specific structures ions stored in hard carbons not clarified, namely active sites adsorption, intercalation, pore-filling mechanisms. Therefore, delicate synthesis methods are required prepare with controllable structures, along elucidating precise enhancing Na-ion performance. To offer databases future designs, we summarized strategies carbon anodes constructing capacities. Synthesis were highlighted corresponding influences meticulous behaviors. Last but least, perspectives proposed developing points research practical applications.

Язык: Английский

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Recent advances in alloying anode materials for sodium-ion batteries: material design and prospects

Energy Materials, Год журнала: 2024, Номер 4(6)

Опубликована: Июль 12, 2024

Sodium-ion batteries (SIBs) are close to commercialization. Although alloying anodes have potential use in next-generation SIB anodes, their limitations of low capacities and colossal volume expansions must be resolved. Traditional approaches involving structural compositional tunings not been able break these lofty barriers. This review is devoted recent progress research on alloy-based comprising Sn, Sb, P, Ge, Si. The current level understanding, challenges, modifications, optimizations employed up date, shortfalls faced by also described. A detailed future outlook proposed, focusing advanced nanomaterial tailoring methods component modifications fabrication. Utilizing the latest state-of-the-art characterization techniques, including ex-situ operando tools, can help us better understand (de)sodiation mechanism accompanying capacity fading pathways pave way for SIBs with anode materials.

Язык: Английский

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Well-Dispersed Bi nanoparticles for promoting the lithium storage performance of Si Anode: Effect of the bridging Bi nanoparticles

Journal of Colloid and Interface Science, Год журнала: 2024, Номер 659, С. 611 - 620

Опубликована: Янв. 6, 2024

Язык: Английский

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Cyclic Ether Derived Stable Solid Electrolyte Interphase on Bismuth Anodes for Ultrahigh‐Rate Sodium‐Ion Storage

Small, Год журнала: 2024, Номер unknown

Опубликована: Июнь 7, 2024

Abstract The bismuth anode has garnered significant attention due to its high theoretical Na‐storage capacity (386 mAh g −1 ). There have been numerous research reports on the stable solid electrolyte interphase (SEI) facilitated by electrolytes utilizing ether solvents. In this contribution, cyclic tetrahydrofuran (THF) and 2‐methyltetrahydrofuran (MeTHF) ethers are employed as solvents investigate sodium‐ion storage properties of anodes. A series detailed characterizations utilized analyze impact solvation structure SEI chemical composition kinetics storage. findings reveal that anodes in both THF MeTHF‐based exhibit exceptional rate performance at low current densities, but THF‐based electrolytes, reversible is higher densities (316.7 compared 9.7 MeTHF 50 This stark difference attributed formation an inorganic‐rich, thin, uniform derived from electrolyte. Although also consists predominantly inorganic components, it thicker contains more organic species THF‐derived SEI, impeding charge transfer ion diffusion. study offers valuable insights into utilization for Na‐ion batteries.

Язык: Английский

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Ultra-high-rate Bi anode encapsulated in 3D lignin-derived carbon framework for sodium-ion hybrid capacitors

Rare Metals, Год журнала: 2023, Номер 43(3), С. 1037 - 1047

Опубликована: Дек. 14, 2023

Язык: Английский

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