Robust Multilayered Encapsulation for High-Performance Triboelectric Nanogenerator in Harsh Environment

Area of Science:

• Energy Harvesting
• Materials Science
• Biomedical Engineering

Background:

• Sustainable power is crucial for in vivo wearable and implantable electronics.
• Triboelectric nanogenerators (TENGs) offer efficient, low-cost energy harvesting but are sensitive to moisture.
• In vivo applications require robust TENGs resistant to harsh environmental conditions.

Purpose of the Study:

• To develop a method for protecting TENGs from moisture and harsh environments.
• To evaluate the reliability and performance of encapsulated TENGs in simulated in vivo conditions.
• To demonstrate the potential of reliable TENGs for self-powered biomedical electronics and environmental sensing.

Main Methods:

• A multiple encapsulation process was designed and applied to TENG devices.
• Systematic studies were conducted to assess TENG performance in humid and harsh environments.
• Long-term stability was evaluated over 30 days.

Main Results:

• The encapsulated TENG demonstrated high reliability and maintained output performance.
• A stability index exceeding 95% was achieved in challenging environments.
• The device showed resilience against moisture and liquid ingress.

Conclusions:

• Multiple encapsulation effectively protects TENGs, ensuring sustained performance in adverse conditions.
• The reliable TENG is a promising sustainable power source for self-powered biomedical devices.
• This technology has potential applications in environmental sensing systems.