Fast‐Charging Anode Materials for Sodium‐Ion Batteries

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(35)

Published: June 26, 2024

Sodium-ion batteries (SIBs) have undergone rapid development as a complementary technology to lithium-ion due abundant sodium resources. However, the extended charging time and low energy density pose significant challenge widespread use of SIBs in electric vehicles. To overcome this hurdle, there is considerable focus on developing fast-charging anode materials with Na⁺ diffusion superior reaction kinetics. Here, key factors that limit fast are examined, which provides comprehensive overview major advances characteristics across various materials. Specifically, it systematically dissects considerations enhance rate performance materials, encompassing aspects such porous engineering, electrolyte desolvation strategies, electrode/electrolyte interphase, electronic conductivity/ion diffusivity, pseudocapacitive ion storage. Finally, direction prospects for also proposed, aiming provide valuable reference further advancement high-power SIBs.

Language: Английский

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Interfacial nanoparticles of Co2P/Co3Fe7 encapsulated in N-doped carbon nanotubes as bifunctional oxygen electrocatalysts for rechargeable zinc-air batteries

Materials Today Energy, Journal Year: 2024, Volume and Issue: 44, P. 101626 - 101626

Published: June 12, 2024

Language: Английский

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Advancements in transition metal dichalcogenides (TMDCs) for self-powered photodetectors: challenges, properties, and functionalization strategies

Materials Advances, Journal Year: 2024, Volume and Issue: 5(9), P. 3535 - 3562

Published: Jan. 1, 2024

This paper presents a comprehensive overview of the current landscape self-powered photodetectors, emphasizing emerging role transition metal dichalcogenides (TMDCs) as promising materials for addressing their growing need in this field.

Language: Английский

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Weakly Coordinating Diluent Modulated Solvation Chemistry for High‐Performance Sodium Metal Batteries

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

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Super‐Ionic Conductor Soft Filler Promotes Li⁺ Transport in Integrated Cathode–Electrolyte for Solid‐State Battery at Room Temperature

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(27)

Published: April 7, 2024

Abstract Composite polymer solid electrolytes (CPEs), possessing good rigid flexible, are expected to be used in solid‐state lithium‐metal batteries. The integration of fillers into matrices emerges as a dominant strategy improve Li + transport and form ‐conducting electrode–electrolyte interface. However, challenges arise traditional fillers: 1) inorganic fillers, characterized by high interfacial energy, induce agglomeration; 2) organic with elevated crystallinity, impede intrinsic ionic conductivity, both severely hindering migration. Here, concept super‐ionic conductor soft filler, utilizing conductivity nanocellulose (Li‐NC) model, is introduced which exhibits conductivity. Li‐NC anchors anions, enhances speed, assists the cathode–electrolyte electrodes for room temperature tough dual‐channel electrolyte (TDCT) polyvinylidene fluoride (PVDF) demonstrates transfer number (0.79) due synergistic coordination mechanism transport. Integrated electrodes’ design enables stable performance LiNi 0.5 Co 0.2 Mn 0.3 O 2 |Li cells, 720 cycles at C, 88.8% capacity retention. Furthermore, lifespan Li|TDCT|Li cells over 4000 h Li‐rich 1.2 Ni 0.13 0.54 excellent performance, proving practical application potential filler energy density batteries temperature.

Language: Английский

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Room‐Temperature Salt Template Synthesis of Nitrogen‐Doped 3D Porous Carbon for Fast Metal‐Ion Storage

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 63(1)

Published: Nov. 21, 2023

Abstract The water‐soluble salt‐template technique holds great promise for fabricating 3D porous materials. However, an equipment‐free and pore‐size controllable synthetic approach employing precursors at room temperature has remained unexplored. Herein, we introduce a green room‐temperature antisolvent precipitation strategy creating self‐assembly to universally produce materials with pore size. Through combination of theoretical simulations advanced characterization techniques, unveil the mechanism provide guidelines selecting raw controlling size precipitated salt. Following calcination washing steps, achieve large‐scale universal production recycling salt templates antisolvents. optimized nitrogen‐doped carbon (N‐3DPC) demonstrate distinctive structural benefits, facilitating high capacity potassium‐ion storage along exceptional reversibility. This is further supported by in situ electrochemical impedance spectra, Raman spectroscopy, calculations. anode shows rate 181 mAh g −1 4 A full cell. study addresses knowledge gap concerning synthesis materials, thereby expanding their potential applications energy conversion storage.

Language: Английский

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Applications of doped-MXene-based materials for electrochemical energy storage

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 517, P. 216039 - 216039

Published: June 21, 2024

Language: Английский

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Bi-functional material SnSSe/rGO with anionic vacancies serves as a polysulfide shuttling blocker and lithium dendrite inhibitor

Energy storage materials, Journal Year: 2024, Volume and Issue: 67, P. 103276 - 103276

Published: Feb. 18, 2024

Language: Английский

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Regulating Metal Centers of MOF-74 Promotes PEO-Based Electrolytes for All-Solid-State Lithium-Metal Batteries

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(13), P. 16351 - 16362

Published: March 22, 2024

Poly(ethylene oxide) (PEO)-based electrolytes have been extensively studied for all-solid-state lithium-metal batteries due to their excellent film-forming capabilities and low cost. However, the limited ionic conductivity poor mechanical strength of PEO-based cannot prevent growth undesirable lithium dendrites, leading failure batteries. Metal–organic frameworks (MOFs) are functional materials with a periodic porous structure that can improve electrochemical performance electrolytes. enhancement effect MOFs different metal centers interaction mechanism PEO remain unclear. Herein, MOF-74s Cu or Ni prepared used as fillers Adding 15 wt % Cu-MOF-74 electrolyte (15%Cu-MOF/P–Li) effectively improves conductivity, transference number, simultaneously. Furthermore, ordered pore channels provide uniform Li-ion transport pathways, facilitating homogeneous Li+ deposition. As result, symmetric cell 15%Cu-MOF/P–Li shows stable cycles 1080 h at 0.1 mA cm–2 mAh cm–2, Li | 15% Cu-MOF/P–Li LFP full exhibits long cycle life up 200 60 °C 0.5 C, capacity retention rate 89.7%.

Language: Английский

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Rational designing NiVO3@CoNi-MOF heterostructures on activated carbon cloth for high-performance asymmetric supercapacitors and oxygen evolution reaction

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 673, P. 321 - 332

Published: June 7, 2024

Language: Английский

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