Advances of Vanadium‐based Cathodes forAqueous Zinc Ion Batteries

Chemistry - A European Journal, Journal Year: 2025, Volume and Issue: unknown

Published: March 7, 2025

Aqueous zinc-ion batteries (AZIBs) are promising for energy storage due to their high safety, low cost, and environmental friendliness. Vanadium-based materials, including vanadium oxides, sulfides, vanadate, carbon composites, have gained attention diverse crystal structures, multiple oxidation states, theoretical capacities. This review summarizes recent advances in vanadium-based cathodes, focusing on structural design modification strategies, such as amorphous defect engineering, conductive matrices, cation pre-intercalation enhance Zn2+ storage. Vanadium oxides sulfides offer unique ion diffusion advantages, while vanadate composites improve conductivity stability. Vanadate is highlighted a critical approach reduce electrostatic repulsion facilitate (V-MOF derivations, @ carbon, combined with graphene polymer) advantages terms of conductivity, diffusion, Emerging materials like VN, VOPO₄ V2CTx also discussed. Future directions include multi-guest doping, anion pre-intercalation, advanced integration. aims guide the development high-performance AZIBs inspire future research this field.

Language: Английский

Zinc Ion Transport Kinetics in Zinc‐based Batteries and Its Regulation Strategy

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

Published: April 2, 2025

Abstract Rechargeable zinc‐ion batteries (ZIBs) have gained significant attention as potential next‐generation energy storage systems, owing to their inherent safety, environmental benignity, and cost‐effectiveness. However, the substantial electrostatic repulsion of Zn ion results in a sluggish kinetics for its insertion into cathode material. Meanwhile, formation hydrated ionic groups with increased mass volume aqueous electrolyte further hampers transport ability zinc ions, significantly impacting overall electrochemical performance (including capacity, density, rate‐capability, cyclability) batteries. This review systematically summarized recent progress regulation strategy kinetics. The as‐reported mechanisms are introduced ZIBs (Zn 2+ insertion/extraction mechanism, H + or 2 O/ co‐insertion/extraction conversion reaction coordination mechanism). Then, material design fast including soft lattice construction, doping effects, defect introduction, morphology control, interface is summarized. Finally, it concluded future research directions, such high‐entropy design, multi‐scale simulation, machine study, providing roadmap developing high‐performance at ultralow operation temperatures.

Language: Английский