Hollow Carbon and MXene Dual‐Reinforced MoS₂ with Enlarged Interlayers for High‐Rate and High‐Capacity Sodium Storage Systems

Advanced Science, Год журнала: 2024, Номер 11(37)

Опубликована: Янв. 22, 2024

Sodium-ion batteries (SIBs) and sodium-ion capacitors (SICs) are promising candidates for cost-effective large-scale energy storage devices. However, sluggish kinetics low capacity of traditional anode materials inhibit their practical applications. Herein, a novel design featuring layer-expanded MoS

Язык: Английский

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Advanced Insights on MXenes: Categories, Properties, Synthesis, and Applications in Alkali Metal Ion Batteries

ACS Nano, Год журнала: 2024, Номер 18(22), С. 14050 - 14084

Опубликована: Май 23, 2024

The development and optimization of promising anode material for next-generation alkali metal ion batteries are significant clean energy evolution. 2D MXenes have drawn extensive attention in electrochemical storage applications, due to their multiple advantages including excellent conductivity, robust mechanical properties, hydrophilicity its functional terminations, outstanding capability. In this review, the categories, synthesis methods first outlined. Furthermore, latest research progress composites also summarized comprehensively. A special emphasis is placed on hybrids, ranging from design fabrication fundamental understanding mechanisms battery performance strategies. Lastly, challenges personal perspectives future presented.

Язык: Английский

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Development of aqueous magnesium–air batteries: From structure to materials

Journal of Alloys and Compounds, Год журнала: 2024, Номер 988, С. 174262 - 174262

Опубликована: Март 24, 2024

Язык: Английский

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3D vertical ultra-sodiophilic leaf-vein-like MXene/Sn@CNF array of structured sodium enabling high-rate and long-life sodium metal batteries

Energy storage materials, Год журнала: 2024, Номер 71, С. 103557 - 103557

Опубликована: Июнь 13, 2024

Язык: Английский

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Thermodynamically Stable Synthesis of the 1T-MoS₂/g-CN Superstructure with Rapid Redox Kinetics for Robust Capacitive Energy Storage

ACS Nano, Год журнала: 2025, Номер unknown

Опубликована: Фев. 26, 2025

Artificial superstructures with advanced physicochemical properties and electronic interfaces are of great importance for capacitive energy storage. Herein, by one-step phase transition interfacial bridging, we achieve thermodynamically stable synthesis the 1T-MoS2/graphitic carbon nitride (g-CN) superstructure, where atoms g-CN covalently bridged on molybdenum 1T disulfide (1T-MoS2) interface via C-Mo bonds. The DFT MD calculations reveal that 1T-MoS2/g-CN superstructure a strong interaction (covalent character: 97%), superior electron conduction (d-band center: -1.2 eV), abundant accessible channels (free volume: 53% whole space), expedited redox kinetics (reaction barriers: 0.9 eV) can enhance charge transfer faradaic ion accumulation. Therefore, delivers high specific capacitance 2080 F g-1 excellent structural stability in KOH solution. Moreover, solid-polymer-electrolyte chip-based supercapacitors large density (73 mWh g-1), outstanding cycling (91% retention after 10,000 cycles), desired self-powered application.

Язык: Английский

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Promoting Robust and Rapid Na‐Ion Storage of Molybdenum‐Based Sulfide via Rational Hetero and Hollow Structure Design

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Март 3, 2025

Abstract Molybdenum disulfide (MoS 2 ), characterized by its two‐dimensional structure and high theoretical specific capacity, is considered a prospective anode of Na‐ion battery. However, the cycling rate capabilities are hampered sluggish charge transfer kinetics poor structural stability. To overcome issues, most efforts have been focused on optimizing MoS . Nevertheless, rationally designing that can present rapid durable storage while ensuring large remains challenges. Herein, /MnS heterostructure featuring sphere‐like hollow morphology designed according to Ostwald ripening process Kirkendall effect. This construction effectively establish an interfacial built‐in electric field activated MnS , which exhibit P‐type N‐type semiconductor characteristics, respectively, thereby promoting electrochemical kinetics. Moreover, excellent stability after repeated (de)sodiation processes remarkably achieved thanks robust design, significantly achieving outstanding tolerance changes. Consequently, delivers capacity (594.8 mAh g −1 at 0.1 A superior performance (up 100 ultrastable capability (30 000 cycles with ≈81.4% retention). The work affords effective optimization tactic develop high‐performance conversion‐type electrodes for alkali‐ion batteries.

Язык: Английский

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Interlayer engineering to Construct MoS2 nanoflowers with large interlayer spacing for High-Performance capacitive deionization

Separation and Purification Technology, Год журнала: 2025, Номер unknown, С. 132698 - 132698

Опубликована: Март 1, 2025

Язык: Английский

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Molecular Intercalation and Electron Modulation Stabilized 1T‐MoS₂ Superlattice Nanoflowers with Desolvation Regulation for Energy‐Efficient Water Production

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Март 27, 2025

Abstract The desolvation of hydrated sodium ions (Na(H 2 O) x + ) at the electrode/electrolyte interface is crucial for aqueous sodium‐storage systems, but rational regulation process remains a significant challenge. Herein, dual structural engineering strategies electron configuration modulation and molecular intercalation kinetics between nitrogen‐doped lamellar carbon‐intercalated 1T‐molybdenum disulfide (MoS superlattice nanoflower (1T‐MoS ‐NC) Na(H demonstrated. synergy cation‐π interaction adjustable interlayer structure induced by NC reduces energy promotes dehydration degree , thereby providing more interspace Na accommodation. abundant 1T metal phase accelerates charge transfer while lowering diffusion barrier. Benefitting from advantages above, 1T‐MoS ‐NC exhibits superior capacitive deionization performance, including outstanding brackish water desalination capacity (80.9 mg NaCl g −1 splendid long‐term stability in 1000 L solution cell voltage 1.4 V, which exceeds most state‐of‐the‐art electrodes under similar experimental conditions. This finding reveals facilitating effect on sodium‐ion storage, paving way advanced electrochemical ion storage applications.

Язык: Английский

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Heterogeneous MoS₂ Nanosheets on Porous TiO₂ Nanofibers toward Fast and Reversible Sodium‐Ion Storage

Small, Год журнала: 2024, Номер unknown

Опубликована: Май 28, 2024

Abstract 2D layered molybdenum disulfide (MoS 2 ) has garnered considerable attention as an attractive electrode material in sodium‐ion batteries (SIBs), but sluggish mass transfer kinetic and capacity fading make it suffer from inferior cycle capability. Herein, hierarchical MoS nanosheets decorated porous TiO nanofibers NSs@TiO NFs) with rich oxygen vacancies are engineered by microemulsion electrospinning method subsequent hydrothermal/heat treatment. The NFs improves ion/electron transport long‐term cycling performance through distinctive structure heterogeneous component. Consequently, the exhibits excellent Na storage (298.4 mAh g −1 at 5 A over 1100 cycles 235.6 10 7200 cycles). Employing 3 V (PO 4 cathode, full cell maintains a desirable of 269.6 700 1.0 . stepwise intercalation‐conversion insertion/extraction endows outstanding + performance, which yields valuable insight into advancement fast‐charging long‐cycle life SIBs anode materials.

Язык: Английский

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MXenes and their composites as electrodes for sodium ion batteries

Energy storage materials, Год журнала: 2024, Номер 71, С. 103568 - 103568

Опубликована: Июнь 15, 2024

Язык: Английский

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