Packaged triboelectric nanogenerator with high endurability for severe environments
Long Gu1, Nuanyang Cui1, Jinmei Liu1
1Institute of Nanoscience and Nanotechnology, School of Physical Science and Technology, Lanzhou University, Lanzhou, 730000, China. qinyong@lzu.edu.cn.
Nanoscale
|October 22, 2015
Summary
This study presents a packaged triboelectric nanogenerator (TNG) that reliably harvests ambient noise energy, even in dusty and humid conditions. The device demonstrates stable power generation, overcoming environmental limitations for practical TNG applications.
Area of Science:
- Energy Harvesting
- Materials Science
- Nanotechnology
Background:
- Triboelectric nanogenerators (TNGs) are limited by environmental factors like dust and humidity.
- These factors significantly degrade the performance and reliability of TNGs for real-world applications.
Purpose of the Study:
- To design and fabricate a packaged TNG (PTNG) capable of operating in harsh environmental conditions.
- To demonstrate the PTNG's ability to harvest ambient noise energy reliably.
Main Methods:
- Developed a PTNG with fully isolated frictional layers to protect against environmental ingress.
- Tested the PTNG's performance under simulated dust and humidity, and driven by sound waves (110 dB, 200 Hz).
Main Results:
- The PTNG operated stably in dusty and humid environments without performance degradation.
- Achieved a maximum output voltage of 72 V and current of 0.66 mA under sound wave excitation.
- Successfully powered 24 commercial LEDs using sound energy, even in rainy conditions.
Conclusions:
- The developed PTNG overcomes environmental limitations, enabling stable energy harvesting from noise.
- This innovation significantly enhances the practical applicability of TNGs in diverse real-world scenarios.
More Related Videos
12:20Fabrication of Carbon Nanotube High-Frequency Nanoelectronic Biosensor for Sensing in High Ionic Strength Solutions
Published on: July 22, 2013
18.8K
07:02Investigating the Potential of Singly Curved Thin Piezoelectric Transducers for Energy Harvesting and Structural Health Monitoring
Published on: November 14, 2025
1.0K
Related Concept Videos
01:23Faraday Disk Dynamo
4.1K
A Faraday disk dynamo is a DC generator, producing an emf that is constant in time. It consists of a conducting disk that rotates with a constant angular velocity in the magnetic field, perpendicular to the disk's plane. The rotation of the disk causes a change in magnetic flux, which induces an emf, causing opposite charges to develop on the rim and in the center of the disk. The polarity of the induced emf can be determined by the direction of the magnetic field and the direction of the...
4.1K
01:15Van de Graaff Generator
2.9K
Van de Graaff generators (or Van de Graaffs) are devices used to demonstrate high voltage due to static electricity that can also be used for research. Robert Van de Graaff first built one in 1931 (based on original suggestions by Lord Kelvin) for use in nuclear physics research.
Van de Graaff uses both smooth and pointed surfaces, conductors, and insulators to generate large static charges and, hence, large voltages. A substantial excess charge can be deposited on the sphere because it moves...
Van de Graaff uses both smooth and pointed surfaces, conductors, and insulators to generate large static charges and, hence, large voltages. A substantial excess charge can be deposited on the sphere because it moves...
2.9K
01:18Capacitor With A Dielectric
5.3K
Parallel plate capacitors consist of two conducting plates separated by a certain distance. However, it is mechanically difficult to hold the large plates parallel to each other without actual contact. Hence, a dielectric layer is commonly placed between the plates, which provides an easy solution for holding the plates together with a small gap and increases the capacitance of the capacitor.
Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...
Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...
5.3K
01:24Electrochemical Systems
105
Electrochemical systems provide a fascinating insight into the dynamic interplay of charged species within various phases. One notable example is the interaction between a membrane permeable to K⁺ ions but not to Cl⁻ ions, separating an aqueous KCl solution from pure water. As K⁺ ions diffuse through the membrane, they generate net charges on each phase, leading to a potential difference between them.Similarly, when a piece of Zn is immersed in an aqueous ZnSO₄ solution,...
105
01:19Electro-mechanical Systems
1.8K
Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
1.8K
01:25MOS Capacitor
1.8K
A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
1.8K