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Updated: Apr 11, 2026

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
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Quenching-Induced Spinel/Disorder Heterostructure for Stabilized Li-Rich Cathodes.

Changchun Ye1,2,3, Gaige Zhang3, Zhangsheng Shi2

  • 1Guangdong-Hong Kong Joint Laboratory for Carbon Neutrality, Jiangmen Laboratory of CarbonScience and Technology, Jiangmen 529199, Guangdong Province, China.

ACS Nano
|April 10, 2026
PubMed
Summary
This summary is machine-generated.

Researchers developed a new surface structure for lithium-rich oxide (LRO) cathodes, enhancing lithium-ion battery performance. This novel approach stabilizes LRO materials, improving cycling and rate capabilities for better energy storage.

Keywords:
Li-rich oxideheterostructurelithium-ion batteryquenchingspinel/disorder

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Nanotechnology

Background:

  • Lithium-rich oxide (LRO) cathodes offer high capacity for next-generation lithium-ion batteries.
  • Key challenges include cyclic decay due to oxygen loss and structural degradation.

Purpose of the Study:

  • To develop a stable surface heterostructure for LRO cathodes.
  • To enhance structural integrity and electrochemical performance through quenching engineering.

Main Methods:

  • High-temperature calcination of LRO materials.
  • Quenching in MgCl2 solution to form a spinel/disorder heterostructure.
  • Thermodynamic analysis of the quenching regulation mechanism.

Main Results:

  • Formation of a defect-rich spinel/disorder heterostructure on the LRO surface.
  • Suppression of irreversible oxygen loss and interface side reactions.
  • Improved Li+ transport and bulk stabilization via Mg doping and vacancies.

Conclusions:

  • The spinel/disorder heterostructure significantly enhances cycling and rate performance.
  • Quenching engineering provides a viable strategy for optimizing LRO cathodes.
  • This work advances sustainable energy storage solutions.