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Updated: Mar 21, 2026

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

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Published on: November 11, 2013

Dual-functional structural modulation for stabilizing sodium layered oxide cathodes.

Qiang Ma¹, Qingqun Sun², Jingqiang Wang³

¹College of Materials Engineering, Henan International Joint Laboratory of Rare Earth Composite Materials, Henan Key Laboratory of Electronic Ceramic Materials and Application, Henan University of Engineering, Zhengzhou, Henan, 451191, P. R. China.

Chemical Communications (Cambridge, England)

|March 20, 2026

Summary

This summary is machine-generated.

This study introduces a dual-doping strategy using tungsten (W) and boron (B) to stabilize sodium layered oxide cathodes. This method enhances sodium-ion battery performance by improving structural integrity and ion diffusion.

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Area of Science:

Materials Science
Electrochemistry
Inorganic Chemistry

Background:

Sodium layered oxide cathodes are promising for energy storage but suffer from structural instability.
Irreversible phase transitions during cycling degrade performance.

Purpose of the Study:

To develop a dual-functional structural modulation strategy for sodium layered oxide cathodes.
To enhance structural stability and sodium-ion diffusion kinetics.

Main Methods:

Synergistic doping of sodium layered oxide cathodes with tungsten (W) and boron (B).
Formation of inert Na2WO4 phase and strong B-O bonds.
Analysis of crystal structure and electrochemical performance.

Main Results:

The W and B doping effectively stabilized the crystal structure by resisting phase transitions.
Improved sodium-ion diffusion kinetics were observed.
Enhanced rate capability and cycling performance were achieved.

Conclusions:

The dual-doping strategy offers a viable approach to improve the stability and performance of sodium layered oxide cathodes.
This work provides insights into designing advanced materials for sodium-ion batteries.