Micro-mesoporous cobalt phosphosulfide (Co3S4/CoP/NC) nanowires for ultrahigh rate capacity and ultrastable sodium ion battery

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 666, P. 416 - 423

Published: April 8, 2024

Language: Английский

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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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Revealing the fast reaction kinetics and interfacial behaviors of CuFeS2 hollow nanorods for durable and high-rate sodium storage

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 679, P. 990 - 1000

Published: Oct. 30, 2024

Language: Английский

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Significantly enhanced ion‐migration and sodium‐storage capability derived by strongly coupled dual interfacial engineering in heterogeneous bimetallic sulfides with densified carbon matrix

SusMat, Journal Year: 2024, Volume and Issue: 4(3)

Published: April 28, 2024

Abstract The development of highly efficient sodium‐ion batteries depends critically on the successful exploitation advanced anode hosts that is capable overcoming sluggish reaction kinetics while also withstanding severe structural deformation triggered by large radius Na + ‐insertion. Herein, a hierarchically hybrid material with hetero‐Co 3 S 4 /NiS hollow nanosphere packaged into densified N‐doped carbon matrix (Co /NiS@N‐C) was designed and fabricated utilizing CoNi‐glycerate as self‐sacrifice template, making utmost synergistic effect strong electric field rich active‐sites together outer‐carbon scaffolds remarkable electronic conductivity robust mechanical toughness. As anticipated, as‐fabricated Co /NiS@N‐C affords specific capacity, prolonged cycle lifespan up to 2 400 cycles an only 0.05% fading each at 20.0 A g −1 , excellent rate feature (354.9 mAh 30.0 ), one best performances for most existing /NiS‐based anodes. Ex situ characterizations in tandem theoretical analysis demonstrate reversible insertion‐conversion mechanism initially proceeding de‐/intercalation superior heterogeneous interfacial behavior ‐adsorption ability. Further, full cell capacitor based exhibit impressive electrochemical characteristics cycling performance capability, showcasing its outstanding feasibility toward practical use.

Language: Английский

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Cobalt-containing ZIF-derived catalysts for Zn–air batteries

Materials Chemistry Frontiers, Journal Year: 2024, Volume and Issue: 8(12), P. 2394 - 2419

Published: Jan. 1, 2024

The synthetic and modification parameters of cobalt-containing ZIF-derived catalysts for Zn–air batteries with different amounts metal.

Language: Английский

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Microfluidic Synthesis of Multifunctional Micro-/Nanomaterials from Process Intensification: Structural Engineering to High Electrochemical Energy Storage

ACS Nano, Journal Year: 2024, Volume and Issue: 18(32), P. 20957 - 20979

Published: Aug. 1, 2024

Multifunctional micro-/nanomaterials featuring functional superiority and high value-added physicochemical nature have received immense attention in electrochemical energy storage. Microfluidic synthesis has become an emergent technology for massively producing multifunctional with tunable microstructure morphology due to its rapid mass/heat transfer precise fluid controllability. In this review, the latest progresses achievements microfluidic-synthesized are summarized via reaction process intensification, micro-/nanostructural engineering storage applications. The intensification mechanisms of various micro-/nanomaterials, including quantum dots (QDs), metal materials, conducting polymers, metallic oxides, polyanionic compounds, metal–organic frameworks (MOFs) two-dimensional (2D) discussed. Especially, structural principles as-fabricated such as vertically aligned structure, heterostructure, core–shell microsphere, introduced. Subsequently, application as-prepared is clarified supercapacitors, lithium-ion batteries, sodium-ion all-vanadium redox flow dielectric capacitors. Finally, current problems future forecasts illustrated.

Language: Английский

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Synergistic Engineering of Carbon Nanotubes Threaded NiSe₂/Co₃Se₄ Quantum Dots with Rich Se Vacancies for High‐Rate Nickel–Zinc Batteries

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(32)

Published: March 1, 2024

Abstract Limited by sluggish reaction kinetics, insufficient electrode utilization and severe volume deformation, designing nickel‐based materials with high capacity rate capability is still a challenge. Herein, carbon nanotubes threaded NiSe 2 /Co 3 Se 4 quantum dots embedded in nanospheres rich vacancies both Co elaborately designed via MOF template method. The formation mechanism of the elucidated for first time, which ascribed to release gas during decomposition organic ligand inhibits ordered arrangement atoms. CNT‐V‐NiCoSe possesses many significant superiorities, such as sufficiently exposed active sites, utilization, favorable charge‐carrier migration, relaxed structure deformation. Consequently, shows top‐level specific (384 mAh g −1 at 1 A ), ultrahigh (209 150 ) remarkable cycling durability. CNT‐V‐NiCoSe//Zn battery achieves maximum energy density 615.6 Wh kg power 81.7 kW . Density functional theory calculations elucidate improve states Fermi level, facilitates internal charge transfer, enhances OH − adsorption ability. This study provides guidance preparation high‐performance

Language: Английский

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Research progress on lithium-rich cathode materials for high energy density lithium-ion batteries

Journal of Alloys and Compounds, Journal Year: 2024, Volume and Issue: 986, P. 174156 - 174156

Published: March 13, 2024

Language: Английский

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Mechanically Robust Bismuth-Embedded Carbon Microspheres for Ultrafast Charging and Ultrastable Sodium-Ion Batteries

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

Published: Jan. 14, 2025

Advancements in the development of fast-charging and long-lasting microstructured alloying anodes with high volumetric capacities are essential for enhancing operational efficiency sodium-ion batteries (SIBs). These anodes, however, face challenges such as declined cyclability rate capability, primarily due to mechanical degradation reduced by significant changes (over 252%) slow kinetics storage. Herein, we introduce a novel anode design featuring densely packed bismuth (Bi) embedded within highly conductive carbon microspheres overcome aforementioned challenges. Remarkably, loading Bi tap density 2.59 g cm–3 possesses strength exceeding 590 MPa limits volume swelling only 10.9% post-sodiation. This demonstrates capacity (908.3 mAh cm–3), ultrafast chargeability (200 A g–1, full charge/discharge just 5.5 s), outstanding over 12,000 cycles maintains exceptional cycling stability even at −30 °C. The cell paired Na3V2(PO4)3 cathode retains 80% after 600 36 C, demonstrating remarkable capability 126 C (full 28.6 s). Our comprehensive experimental evaluations chemo-mechanical simulations shed light on mechanisms underpinning anode's superior performance. marks advancement durable high-performance SIBs.

Language: Английский

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Vacancy‐Rich Ternary Iron Phosphoselenide Multicavity Nanorods: A Highly Reversible and Fast Anode for Sodium‐Ion Batteries

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: July 2, 2024

Abstract The significance of exploring optimal electrode materials cannot be overstated, particularly in mitigating the critical issues posed by sluggish redox kinetics, significant volume variations, and severe structural collapse resulting from insertion extraction sodium ions. These efforts are crucial for enhancing longevity rapid charging capabilities sodium‐ion batteries (SIBs). Herein, a defect engineering strategy situ encapsulation single‐phase ternary iron phosphoselenide into porous carbon robust chemical bonds with formation rod‐like multicavity nanohybrids (FePSe 3 @C) is presented. incorporation Se atom not only modulates electronic structure central metal Fe enhances intrinsic electrical conductivity, but also generates numerous additional reaction sites accelerates kinetics FePSe @C, as corroborated theoretical calculations kinetic analysis. Notably, @C demonstrates an outstanding rate capability 321.7 mAh g −1 even at 20 A long cycling stability over 1000 cycles. full cell, pairing anode Na V 2 (PO 4 ) cathode, exhibits remarkable energy density 202 Wh kg , demonstrating its practical applicability. This work provides controllable morphology to construct advanced fast charge transfer high‐power/energy SIBs.

Language: Английский

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