Al2O3-Induced Phase Conversion Regulation of WS2 Anode Enhances the Lithium Storage Reversibility DOI
Guannan Zu,

Manchen Zhang,

Hexiong Liu

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(51), P. 70596 - 70605

Published: Dec. 11, 2024

WS2 is an attractive anode in alkali metal ion batteries (AMIBs) due to its 2D-layered structure and high theoretical capacity. However, the shuttle effect of sulfur spontaneous growth W nanoparticles are key issues that limit alkali-ion accommodation ability. Now, it still a great challenge achieve situ control microstructure evolution paths enclosed for extending cycling reversibility/lifespan. Herein, phase conversion both film- powder-type anodes investigated lithium-ion batteries. It found reversible mechanism beneficial alleviating through strong W-LixSy bonding. Also, once size phase-converted W/WS2 redox pair exceeds ∼10 nm inside layer, Li+ storage ability will severely decay uncontrollable precipitation. To maintain reversibility, amorphous Al2O3 introduced upon pristine WS2. After initializing battery test, particle modulated within range ∼3-5 because refinement gradually pulverized Al2O3. Thus, suppression lasting over 750-1400 cycles obtained with enhanced ↔ efficiency good capacity retention. This expected promote optimization Mo-group sulfides/selenides/tellurides toward AMIBs.

Language: Английский

Advanced electrospinning nanomaterials: From spinning fabrication techniques to electrochemical applications DOI
Mingjie Zhang, Miao Yu, Shuhui Tao

et al.

Nano Research, Journal Year: 2024, Volume and Issue: 17(8), P. 7077 - 7116

Published: June 18, 2024

Language: Английский

Citations

12
BiSb Alloy Anchored on Selenium Doped Carbon Nanofibers as Highly Stable Anode Materials for Sodium/Potassium-Ion Batteries DOI
Xinye Li, Lingxing Zeng,

Wenbin Lai

et al.

Energy & Fuels, Journal Year: 2024, Volume and Issue: 38(17), P. 16966 - 16975

Published: Aug. 19, 2024

Sodium/potassium-ion batteries (SIBs/PIBs) as alternatives complement of Li-ion (LIBs) exhibit cost-effective, appropriate redox potential, and high energy density. Unfortunately, the large volumetric expansion severe pulverization toward anode materials SIBs/PIBs during charge/discharge progress limit their practical implementations. In this work, selenium doped carbon nanofibers integrated with bismuth–antimony alloy nanocrystals (denoted BiSb-Se/CNFs) have been fabricated for SIBs/PIBs. The hierarchical nanofiber frameworks in BiSb-Se/CNFs composite not only provide sufficient space to accommodate Na/K ions, ensuring structural stability, but also facilitate rapid electron ion transport, enhancing reaction kinetic. As expected, electrode demonstrates a superior sodium storage capacity 370 mAh g–1 at current densities 0.5 A after 650 cycles, withstanding long-term cycling 2000 cycles showing remarkable up 309 2 g–1. Moreover, an impressive potassium performance outstanding reversible stability can be observed over electrode. This work elucidates design alloy-type electrodes lifespan both SIBs PIBs, which provides inspiration multiapplication scenarios anodes.

Language: Английский

Citations

5
Defective MoSxSe2-x with Functionalized Sulfurized-Selenized Polyacrylonitrile for High-Rate Sodium/Potassium-Ion Batteries with Wide-Temperature Tolerance DOI

Fuyu Xiao,

Mingyang Ge,

Fang Luo

et al.

Journal of Alloys and Compounds, Journal Year: 2025, Volume and Issue: unknown, P. 178661 - 178661

Published: Jan. 1, 2025

Language: Английский

Citations

0
Construction of Heterostructure Nickel Sulfoselenide Arrays for Advanced Potassium‐Ion Hybrid Capacitors DOI Open Access

Ge Tian,

Qīng Wáng, Lin Xu

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: March 10, 2025

Abstract Transition metal compounds are being extensive studied in K‐ion hybrids capacitors (KIHCs) owing to their abundant resource and ultrahigh theoretical capacity. However, poor cycling lifespan rate capability as vulnerable structures is the major bottleneck for future development. Here design construction a heterostructure Nickel sulfoselenide arrays (NiSSe) with large‐scale high ordering large interval spacing reported. Benefiting from synergistic effect of inner Cu nanoarray superior conductivity outer NiSSe layer massive active sites, exhibits storage reversible potassium ion (585 mAh g −1 at 0.2 A ) excellent cycle stability. As expected, KIHCs assembled anode N/O co‐doped carbon nanowire array (NOC) cathode deliver high‐energy density power (156.2 Wh kg 20 kW well lifespan. The first‐principle calculations reveal that have ionic/electronic characteristics low diffusion barriers K + ‐intercalation. This core–shell strategy may open up novel avenue transition application electrochemical storage, conversion, beyond.

Language: Английский

Citations

0
VO2/MoS2 heterostructure synergized oxygen vacancies as a cathode material for high-performance hybrid Mg/Li-ion batteries over a wide temperature range DOI
Wen Wang,

Chuyuan Lin,

Fenqiang Luo

et al.

Journal of Alloys and Compounds, Journal Year: 2024, Volume and Issue: unknown, P. 178281 - 178281

Published: Dec. 1, 2024

Language: Английский

Citations

0
Controlling the substitution of selenium in Cu3.21Bi4.79S9 to achieve a balance between sodium ion diffusion dynamics and sodium storage capacity DOI
Han Xu,

Luzheng Zhao,

Guoping Liu

et al.

Applied Surface Science, Journal Year: 2024, Volume and Issue: unknown, P. 162221 - 162221

Published: Dec. 1, 2024

Language: Английский

Citations

0
Al2O3-Induced Phase Conversion Regulation of WS2 Anode Enhances the Lithium Storage Reversibility DOI
Guannan Zu,

Manchen Zhang,

Hexiong Liu

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(51), P. 70596 - 70605

Published: Dec. 11, 2024

WS2 is an attractive anode in alkali metal ion batteries (AMIBs) due to its 2D-layered structure and high theoretical capacity. However, the shuttle effect of sulfur spontaneous growth W nanoparticles are key issues that limit alkali-ion accommodation ability. Now, it still a great challenge achieve situ control microstructure evolution paths enclosed for extending cycling reversibility/lifespan. Herein, phase conversion both film- powder-type anodes investigated lithium-ion batteries. It found reversible mechanism beneficial alleviating through strong W-LixSy bonding. Also, once size phase-converted W/WS2 redox pair exceeds ∼10 nm inside layer, Li+ storage ability will severely decay uncontrollable precipitation. To maintain reversibility, amorphous Al2O3 introduced upon pristine WS2. After initializing battery test, particle modulated within range ∼3-5 because refinement gradually pulverized Al2O3. Thus, suppression lasting over 750-1400 cycles obtained with enhanced ↔ efficiency good capacity retention. This expected promote optimization Mo-group sulfides/selenides/tellurides toward AMIBs.

Language: Английский

Citations

0