Biodegradable MoN_x@Mo-foil electrodes for human-friendly supercapacitors

Area of Science:

• Materials Science
• Electrochemistry
• Biomedical Engineering

Background:

• Growing demand for biodegradable electronic devices in biomedical research.
• Biodegradable supercapacitors (SCs) offer solutions to reduce secondary surgeries and patient discomfort.
• Need for sustainable materials in implantable and temporary electronic applications.

Purpose of the Study:

• To synthesize and characterize a novel biodegradable material for supercapacitor applications.
• To evaluate the electrochemical performance of the material in various electrolytes.
• To assess the biodegradability of the developed material for safe biomedical use.

Main Methods:

• Preparation of Molybdenum Nitride@Molybdenum foil (MoN@Mo-foil) composite through high-temperature nitridation.
• Electrochemical performance testing in aqueous and solid-state electrolytes.
• Biodegradability assessment using a 3% H2O2 solution.

Main Results:

• The MoN@Mo-foil composite electrode demonstrated superior electrochemical performance.
• Excellent cycling stability and performance were observed in solid-state electrolyte devices.
• The composite electrode showed rapid and complete biodegradability in hydrogen peroxide solution.

Conclusions:

• The MoN@Mo-foil composite is a promising material for biodegradable supercapacitors.
• This material offers a new, sustainable option for developing biomedical electronic devices.
• The study validates the potential of MoN@Mo-foil for eco-friendly energy storage in medical applications.