Dual ions co-doped V2O5 as a long-life and stable cathode for aqueous zinc-ion batteries

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Letters Pub Date : 2025-02-19 DOI:10.1016/j.matlet.2025.138262

Jianlin Chen , Mengyuan Shen , Siyao Song, Yunpeng Li, Wenyan Hou, Anli Wang, Jiayu Zhang, Liang Zhang, Yining Su, Yuanyuan Feng, Fei Shen, Xiaogang Han

引用次数: 0

Abstract

Layered vanadium pentoxide cathode materials with high theoretical specific capacity and open crystal structure are promising cathodes for aqueous zinc ion batteries, but their structural stability and capacity need to be further optimized. In this work, a dual ions co-doped vanadium pentoxide cathode (ZMVO) has been designed to modify its crystal structure. Sufficient Zn²⁺ ensure rapid storage and release of Zn²⁺ during cycling and the pre-inserted Mg²⁺ serve as a pillar to expand the layer spacing. Based on the robust structure, ZMVO cathode achieves an outstanding cyclic stability with a capacity retention of 76.1 % after 6000 cycles at a current density of 10 A g⁻¹.

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来源期刊

Materials Letters 工程技术-材料科学：综合

CiteScore

5.60

自引率

3.30%

发文量

1948

审稿时长

50 days

期刊介绍： Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive