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

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

Published on: November 11, 2013

Current Collector Engineering for New Efficient Bioresorbable Sodium-Ion Batteries.

Bincy Lathakumary Vijayan¹, Eleonora Vandini², Vedi Kuyil Azhagan Muniraj¹

¹Mines Saint-Etienne, Department of Flexible Electronics, Center of Microelectronics in Provence, Gardanne, France.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)

|June 28, 2026

Summary

This summary is machine-generated.

Researchers developed new bioresorbable sodium-ion batteries using molybdenum or magnesium current collectors. Molybdenum collectors significantly improved battery performance and demonstrated safe in vivo degradation, offering a promising alternative for implantable electronic devices.

Keywords:

Mo‐based current collector Na‐ion technology implantable batteries temporary medical implants thin‐film metal deposition

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Area of Science:

Materials Science
Electrochemistry
Biomedical Engineering

Background:

Bioresorbable energy sources are crucial for implantable devices to avoid secondary surgeries.
Developing stable and high-performance bioresorbable batteries presents significant challenges in resorbtronics.

Purpose of the Study:

To present an alternative fabrication strategy for bioresorbable quasi-solid sodium-ion batteries.
To investigate the impact of different current collectors (Mo and Mg) on battery performance and biocompatibility.

Main Methods:

Fabrication of quasi-solid sodium-ion batteries using Mo or Mg thin films as current collectors.
Characterization using scanning electron microscopy, X-ray photoelectron spectroscopy, and electrochemical techniques.
In vitro cytotoxicity assays (ISO 10993) and in vivo implantation studies in animal models.

Main Results:

Molybdenum (Mo)-based batteries achieved a discharge capacity of 6.8 mAh cm⁻² at C/2, outperforming magnesium (Mg)-based batteries.
Mo-based batteries showed stable cycling with 86% capacity retention after 100 cycles at 2C.
In vitro and in vivo studies confirmed the non-cytotoxicity and safe degradation of Mo-based batteries.

Conclusions:

The choice of current collector critically impacts bioresorbable battery performance, with Mo offering superior electrochemical properties.
Mo-based bioresorbable sodium-ion batteries are biocompatible and exhibit tunable operational lifetimes.
This fabrication strategy provides a viable pathway for developing advanced resorbtronic energy sources.