Emerging tungsten-based materials for rechargeable metal-ion batteries: progress and perspectives

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• Tungsten-based (W-based) materials are emerging as key electrode candidates for advanced rechargeable metal-ion batteries (MIBs).
• Their distinct crystal structures, high theoretical specific capacity, and chemical stability make them attractive for energy storage applications.

Purpose of the Study:

• To systematically review the latest research progress of W-based materials in the field of MIBs.
• To analyze their crystal structures, synthesis methods, energy storage mechanisms, and applications in various battery systems.

Main Methods:

• Literature review of W-based materials in lithium-ion, sodium-ion, potassium-ion, and zinc-ion batteries.
• Analysis of material modification strategies, including micro/nanostructural engineering, defect engineering, and carbon-based composites.
• Examination of advanced characterization techniques and computational methodologies.

Main Results:

• W-based materials exhibit significant potential across diverse MIB systems.
• Material modification strategies like nanostructuring and composite development enhance electrochemical performance.
• Key challenges include limited conductivity and volume expansion during cycling.

Conclusions:

• W-based materials are highly promising for next-generation MIBs.
• Further research is needed to overcome conductivity and volume expansion issues.
• Optimization of synthesis and modification strategies will unlock their full potential.