Filling carbon: a microstructure-engineered hard carbon for efficient alkali metal ion storage

Energy & Environmental Science, Год журнала: 2023, Номер 16(9), С. 4041 - 4053

Опубликована: Янв. 1, 2023

Carbonaceous materials are the most promising anodes for alkali metal-ion batteries (AMIBs); however, it is still a great challenge to construct carbonaceous with elaborate microstructures achieve superior electrochemical performance.

Язык: Английский

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Recent advances in rational design for high-performance potassium-ion batteries

Chemical Society Reviews, Год журнала: 2024, Номер 53(13), С. 7202 - 7298

Опубликована: Янв. 1, 2024

The growing global energy demand necessitates the development of renewable solutions to mitigate greenhouse gas emissions and air pollution. To efficiently utilize yet intermittent sources such as solar wind power, there is a critical need for large-scale storage systems (EES) with high electrochemical performance. While lithium-ion batteries (LIBs) have been successfully used EES, surging price, coupled limited supply crucial metals like lithium cobalt, raised concerns about future sustainability. In this context, potassium-ion (PIBs) emerged promising alternatives commercial LIBs. Leveraging low cost potassium resources, abundant natural reserves, similar chemical properties potassium, PIBs exhibit excellent ion transport kinetics in electrolytes. This review starts from fundamental principles structural regulation PIBs, offering comprehensive overview their current research status. It covers cathode materials, anode electrolytes, binders, separators, combining insights full battery performance, degradation mechanisms,

Язык: Английский

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Routes to high-performance layered oxide cathodes for sodium-ion batteries

Chemical Society Reviews, Год журнала: 2024, Номер 53(8), С. 4230 - 4301

Опубликована: Янв. 1, 2024

Various optimization strategies are reviewed and summarized to formulate design principles for layered oxide cathodes sodium-ion batteries.

Язык: Английский

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The Distance Between Phosphate‐Based Polyanionic Compounds and Their Practical Application For Sodium‐Ion Batteries

Advanced Materials, Год журнала: 2023, Номер 36(7)

Опубликована: Авг. 18, 2023

Abstract Sodium‐ion batteries (SIBs) are a viable alternative to meet the requirements of future large‐scale energy storage systems due uniform distribution and abundant sodium resources. Among various cathode materials for SIBs, phosphate‐based polyanionic compounds exhibit excellent sodium‐storage properties, such as high operation voltage, remarkable structural stability, superior safety. However, their undesirable electronic conductivities specific capacities limit application in systems. Herein, development history recent progress cathodes first overviewed. Subsequently, effective modification strategies summarized toward high‐performance including surface coating, morphological control, ion doping, electrolyte optimization. Besides, electrochemical performance, cost, industrialization analysis SIBs discussed accelerating commercialization development. Finally, directions comprehensively concluded. It is believed that this review can provide instructive insight into developing practical SIBs.

Язык: Английский

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Vacancy designed 2D materials for electrodes in energy storage devices

Chemical Communications, Год журнала: 2023, Номер 59(41), С. 6109 - 6127

Опубликована: Янв. 1, 2023

Vacancies are ubiquitous in nature, usually playing an important role determining how a material behaves, both physically and chemically.

Язык: Английский

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A novel Na8Fe5(SO4)9@rGO cathode material with high rate capability and ultra-long lifespan for low-cost sodium-ion batteries

eScience, Год журнала: 2023, Номер 4(1), С. 100186 - 100186

Опубликована: Сен. 13, 2023

Sodium-ion batteries (SIBs) are regarded as the most promising technology for large-scale energy storage systems. However, practical application of SIBs is still hindered by lack applicable cathode materials. Herein, novel phase-pure polyanionic Na8Fe5(SO4)9 designed and employed a material first time. The has an alluaudite-type sulfate framework small Na+ ion diffusion barriers. As expected, as-synthesized Na8Fe5(SO4)9@rGO exhibits high working voltage 3.8 V (versus Na/Na+), superior reversible capacity 100.2 mAh g–1 at 0.2 C, excellent rate performance (∼80 10 ∼63 50 C), ultra-long cycling life (91.9% retention after 10,000 cycles 81% 20,000 C). We use various techniques computational methods to comprehensively investigate material's electrochemical reaction mechanisms.

Язык: Английский

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Facilitating Layered Oxide Cathodes Based on Orbital Hybridization for Sodium‐Ion Batteries: Marvelous Air Stability, Controllable High Voltage, and Anion Redox Chemistry

Advanced Materials, Год журнала: 2023, Номер 36(15)

Опубликована: Ноя. 1, 2023

Layered oxides have become the research focus of cathode materials for sodium-ion batteries (SIBs) due to low cost, simple synthesis process, and high specific capacity. However, poor air stability, unstable phase structure under voltage, slow anionic redox kinetics hinder their commercial application. In recent years, concept manipulating orbital hybridization has been proposed simultaneously regulate microelectronic modify surface chemistry environment intrinsically. this review, modes between atoms in 3d/4d transition metal (TM) orbitals O 2p near region Fermi energy level (E

Язык: Английский

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Recent Progress of Promising Cathode Candidates for Sodium‐Ion Batteries: Current Issues, Strategy, Challenge, and Prospects

Small Structures, Год журнала: 2023, Номер 4(10)

Опубликована: Июнь 22, 2023

Lithium‐ion batteries (LIBs) have dominated the secondary market in past few decades. However, their widespread application is seriously hampered by limited lithium resource and high cost. Recently, sodium‐ion (SIBs) generated significant attention because of characteristics abundant raw sources, low cost, similar “rocking chair” mechanism with LIBs, which hold great potential large‐scale energy storage. Cathode materials excellent electrochemical performance are urgent demand for next‐generation SIBs. Herein, this review provides a comprehensive overview recent advances most promising SIBs cathode candidates, including layered oxides, polyanionic materials, Prussian blue analogues. The currently existing issues that need to be addressed these cathodes pointed out, such as insufficient density, electron conductivity, air sensitivity, so on. This also details structural three candidates. Moreover, optimization strategies improving summarized, element doping, morphology modification, structure architecture, Finally, current research status proposed future developmental directions concluded. aims provide practical guidance development

Язык: Английский

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Boosting Multielectron Reaction Stability of Sodium Vanadium Phosphate by High-Entropy Substitution

ACS Nano, Год журнала: 2024, Номер 18(13), С. 9354 - 9364

Опубликована: Март 22, 2024

Na3V2(PO4)3 (NVP) based on the multielectron reactions between V2+ and V5+ has been considered a promising cathode for sodium-ion batteries (SIBs). However, it still suffers from unsatisfactory stability, caused by poor reversibility of V5+/V4+ redox couple structure evolution. Herein, we propos strategy that combines high-entropy substitution electrolyte optimization to boost reversible NVP. The high crystalline evolution are disclosed in situ X-ray absorption near-edge spectra diffraction. Meanwhile, electrochemical reaction kinetics NVP (HE-NVP) can be further improved diglyme-based electrolyte. These enable HE-NVP deliver superior performance (capacity retention 93.1% after 2000 cycles; large capacity 120 mAh g–1 even at 5.0 A g–1). Besides, long cycle life power density HE-NVP∥natural graphite full-cell configuration demonstrated superiority SIBs. This work highlights synergism is powerful enhance sodium-storage polyanionic cathodes

Язык: Английский

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Magnesium ion-doped layered oxide cathodes for alkali-metal ion batteries: Recent research progress and outlook

Energy storage materials, Год журнала: 2023, Номер 62, С. 102935 - 102935

Опубликована: Авг. 19, 2023

Язык: Английский

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