Controlled Heterovalent Vanadium Ion Coordinated Flower-Shaped Supramolecules Cathode for Zinc-Ion Storage DOI
Lu Yue,

Siyang Han,

Jingang Zheng

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 20, 2024

Vanadium-based materials, which offer multiple oxidation states and rich redox reactions in zinc-ion batteries (ZIBs), have gained substantial attention. However, achieving green efficient preparation of vanadium oxides-based materials featured with a controlled content different heterovalent remains significant challenge. Herein, vanadium-supramolecular flower-shaped material (VSF) was prepared using NH4VO3 as metal center hexamethylenetetramine organic ligand aqueous solution. The optimal ratio (PVSF) after controlling VSF presintering is 2/1 (V5+/V4+). Employing PVSF-2/1 cathode ZIBs can achieve high specific capacity 398.9 mAh g–1 at 0.2 A g–1, increased by 3.5 times compared that pure VO2 V2O5, respectively. After 2000 cycles, it still delivers 225 5.0 g–1. Zn∥PVSF-2/1 pouch cells were assembled satisfactory 339 current excellent performance ascribed to regulation coordinated promotion states. structural pathways corresponding V5+ act Zn2+ transport channels increase capability. V4+ cause charge density distribution the V-O lattice layer provide abundant active sites for adsorption/desorption process Zn2+.

Language: Английский

Inorganic-rich solid electrolyte interphase and oriented (002) crystal plane extension for reversible zinc metal anode DOI
Binyang Du,

Jingzhu Chen,

Yang Xu

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 159342 - 159342

Published: Jan. 1, 2025

Language: Английский

Citations

2
Heterojunction of Vanadium Oxide Nanobelts for Aqueous Magnesium-Ion Batteries DOI

Haining You,

Cheng Yang,

Zubang Liu

et al.

ACS Sustainable Chemistry & Engineering, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 3, 2025

Aqueous magnesium-ion batteries (AMIBs) have garnered a lot of interest in future energy storage due to their high density, easy preparation, and excellent safety. Yet, the lack proper electrode material with high-capacity performance hinders its development. In this work, facile heterojunction VO2·xH2O@V2O5 (VOx) nanobelt structure was synthesized by an electrochemical deposition process for AMIBs first time. The specific combines advantages layered V2O5 tunnel-like VO2·xH2O, which shows capacity cycle stability. It rate performances 510 195.5 mAh g–1 at 0.05 5 A g–1, respectively, as well 100 after 1000 cycles 1 g–1. Combining experimental characterization theoretical calculations, we can show that structured water VOX improve conductivity diffusion Mg2+. mechanism study reveals undergoes cointercalation reaction H+ Mg2+ during discharge process. This not only highlights role structural heterogeneous design enhancing materials but also offers novel approach preparing high-performance AMIB system.

Language: Английский

Citations

1
Regulation of Ion Transport Behavior in Layer‐by‐Layer Assembled Polymer/MXene Heterostructure Anodes for Metal‐Free Aqueous Zinc Ion Batteries DOI Open Access

Ruanye Zhang,

Hai Xu,

Zhemin Li

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 10, 2025

Abstract Recently, the development of Zn‐host materials in metal‐free aqueous Zinc ion batteries (AZIBs) has emerged as an effective strategy to address challenges uncontrollable dendrite growth and severe corrosion Zn anodes. Herein, layer‐by‐layer assembly conjugated polyimide nanocomposite (PTN‐MXene) through situ polymerization is proposed realize high energy density stability AZIBs. Specifically, unique layered structure abundant redox centers diketone‐based (PTN), combined with its structural compatibility MXene, enable formation a assembled 2D/2D heterostructure. This design ensures sufficient contact expands interlayer spacing facilitating faster electron/ion transport kinetics providing better access centers. Importantly, regulation behavior from H + or 2+ /Zn coinsertion PTN‐MXene achieved verified by different characterization techniques. Thus, anode exhibits specific capacity (283.4 mAh g −1 at 0.1 A ), excellent rate performance outstanding cycling performance. As proof‐of‐concept, full fabricated Prussian blue analogs cathode deliver 72.4 Wh kg exceptional over 2000 cycles.

Language: Английский

Citations

1
Biomimetic Inorganic–Organic Protective Layer for Highly Stable and Reversible Zn Anodes DOI Creative Commons

Chengwu Yang,

Pattaraporn Woottapanit,

Sining Geng

et al.

ACS Energy Letters, Journal Year: 2024, Volume and Issue: unknown, P. 337 - 344

Published: Dec. 20, 2024

Uncontrollable dendrite growth and severe parasitic side reactions on Zn electrodes pose formidable challenges for the application of aqueous Zn-ion batteries. Herein, we engineered a biomimetic inorganic–organic protective layer composed alginic acid lithium magnesium silicate to enhance stability reversibility electrode. This not only diminishes free water concentration near surface but also creates negatively charged ion microchannels transport ions modulate solvation structure. Moreover, robust Mg-SiO2 interphase with high Young's modulus strong zincophilicity can be formed between electrode layer, facilitating uniform deposition along Zn(002) planes. Consequently, this allows achieve impressive cycling lifespan 5500 h at 1 mA cm–2/1 mAh cm–2 Coulombic efficiency 99.5% delivers remarkable cyclability up 8000 cycles in Zn||V2O5 full cells.

Language: Английский

Citations

8
Considerate instability factors in mono and divalent metal ion batteries: from fundamentals to approaches DOI
Elmira Kohan, Azra Ghiasi Moaser, Mir Ghasem Hosseini

et al.

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(44), P. 30190 - 30248

Published: Jan. 1, 2024

Degradation phenomena in different components (cathode, anode, current collectors (CCs)) of mono- and divalent metal-based batteries affect their performance.

Language: Английский

Citations

7
Realizing Dual-Mode Zinc-Ion Storage of Generic Vanadium-Based Cathodes via Organic Molecule Intercalation DOI

Hongwei Tang,

Kexin Wan,

Kang Zhang

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: 18(44), P. 30896 - 30909

Published: Oct. 26, 2024

Intercalation engineering is a promising strategy to promote zinc-ion storage of layered cathodes; however, impeded by the complex fabrication routes and inert electrochemical behaviors intercalators. Herein, an organic imidazole intercalation proposed, where V2O5 NH4V3O8 (NVO) model materials are adopted verify feasibility intercalator in improving zinc capabilities vanadium-based cathodes. The intercalated molecules could not only expand interlayer spacing strengthen structural stability serving as extra "pillars" but also provide coordination sites for via reaction between Zn2+ C═N group. This gives rise dual-mode ion mechanism favorable performances. As result, imidazole-intercalated delivers capacity 179.9 mAh g-1 after 5000 cycles at 20 A g-1, while NVO harvests high output 170.2 700 2 g-1. work anticipated boost application potentials cathodes aqueous batteries.

Language: Английский

Citations

6
Untangling the Role of Capping Agents in Manipulating Electrochemical Behaviors Toward Practical Aqueous Zinc‐Ion Batteries DOI Creative Commons
Ruwei Chen,

Yunpeng Zhong,

Peie Jiang

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 7, 2025

Abstract Long‐standing challenges including notorious side reactions at the Zn anode, low anode utilization, and rapid cathode degradation current densities hinder advancement of aqueous zinc‐ion batteries (AZIBs). Inspired by critical role capping agents in nanomaterials synthesis bulk crystal growth, a series are employed to demonstrate their applicability AZIBs. Here, it is shown that preferential adsorption on different planes, coordination between 2+ ions, interactions with metal oxide cathodes enable preferred (002) deposition, water‐deficient ion solvation structure, dynamic cathode‐electrolyte interface. Benefiting from multi‐functional agents, dendrite‐free plating stripping an improved Coulombic efficiency 99.2% enhanced long‐term cycling stability realized. Remarkable capacity retention 91% achieved for after more than 500 cycles under density 200 mA g −1 , marking one best stabilities date. This work provides proof‐of‐concept manipulating electrochemical behaviors, which should inspire pave new avenue research address practical energy storage beyond

Language: Английский

Citations

0
Designing a 2D Calcium Coordination Polymer Interconnected with Carbon as a High-Performance Cathode for Aqueous Zinc-Ion Batteries DOI
Mingchang Zhu,

Qiuying Gao,

Mengxian Zheng

et al.

ACS Sustainable Chemistry & Engineering, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 18, 2025

Aqueous zinc-ion batteries (AZIBs) as a new generation of environmentally friendly, high-security, and low-cost energy storage devices have received extensive attention from researchers. Coordination polymers (CPs) show great potential cathode materials for AZIBs due to their tunable composition, diverse functional groups, highly ordered porous channels, easily controllable structure. Nevertheless, the inherent limitations CPs including poor electrical conductivity low chemical stability severely constrain cycling rate property AZIBs. Herein, crystalline calcium-based CP (Ca-ddmb/Ca2L(H2O)2) with 2D-layered structure was directly successfully grown on nanocarbon black via simple solvothermal method. The resulting Ca-ddmb@C composite high designed construct high-performance Profiting synergistic effect abundant active sites Ca-ddmb conductive nanocarbon, exhibited reversible capacity 346.75 mAh g–1 at 100 mA demonstrated superb performance 53.34 2000 g–1. An in-depth study zinc mechanism through series characterization techniques revealed redox-active Ca-ddmb. This provides insights into design desirable-performance CP-based

Language: Английский

Citations

0
Cerium-doped Mn2O3 microspheres: a high-performance cathode material for aqueous zinc-ion batteries DOI
Xin Li, Wenyu Wang, Linwen Li

et al.

New Journal of Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Aqueous zinc-ion batteries (AZIBs) have received considerable attention due to their advantages of being safe, environmentally friendly, and cost-effective.

Language: Английский

Citations

0
Bimetallic Ion Intercalation Optimized the Performance of Hydrated Vanadate Cathodes for Aqueous Zinc Ion Batteries DOI

An Xiao,

Tengfei Zhou, Dan Xiang

et al.

ACS Applied Nano Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 12, 2025

Aqueous zinc ion batteries are gaining prominent attention due to their potentially high safety, low cost, and volumetric capacity. However, disparities still exist in specific capacity kinetic performances within the electrode materials of batteries. Herein, electrochemical properties layered vanadium oxide (VOH) nanorods adopting Sr2+ La3+ as pillars were investigated systematically. It was shown that (1La,1Sr)-VOH possessed a around 345.8 mAh g–1 at current density 1 A g–1, which remarkably higher than VOH 1Sr-VOH (208.34 g–1). Characterizations demonstrated benefiting from role pillars, enlarged layer spacing enhanced storage kinetics during reactions. The tested diffusion coefficient 1.16 × 10–11 cm2 s–1, much (7.31 10–12 s–1), demonstrating smooth charge transfer process as-synthesized (1La,1Sr)-VOH.

Language: Английский

Citations

0