scholarly journals 3D Printed Double Roller-Based Triboelectric Nanogenerator for Blue Energy Harvesting

Micromachines ◽  
2021 ◽  
Vol 12 (9) ◽  
pp. 1089
Author(s):  
Inkyum Kim ◽  
Daewon Kim
Keyword(s):  
Energy Harvesting ◽  
Water Waves ◽  
Load Resistance ◽  
Triboelectric Nanogenerator ◽  
Electrode Structure ◽  
A Value ◽  
Covered Area ◽  
Covered Electrodes ◽  
3D Printed ◽  
Triboelectric Nanogenerators

The ocean covers 70% of the earth’s surface and is one of the largest uncultivated resources still available for harvesting energy. The triboelectric energy harvesting technology has the potential to effectively convert the ocean’s “blue energy” into electricity. A half-cylinder structure including rollers floating on the water has already been used, in which the pendulum motion of the rollers is driven by the waveform. For the stable motion of the rollers, the printed surface of the device was treated with acetone for attaining hydrophilicity. The electrical outputs with the proposed device were enhanced by increasing the contact surface area by simply implementing the double roller structure with double side-covered electrodes. With the optimized structure, the maximum power density reached a value of 69.34 µW m−2 at a load resistance of 200 MΩ with the device’s high output durability. Finally, the fabricated device was also applied to the artificial water waves to demonstrate the possibility of using this device in the ocean. By simply modifying the electrode structure and adding a roller, this device demonstrated the ability to generate over 160% of electrical output with the same covered area of the ocean by the triboelectric nanogenerators (TENGs) and potential ocean application.

scholarly journals A Spherical Hybrid Triboelectric Nanogenerator for Enhanced Water Wave Energy Harvesting

Micromachines ◽  
2018 ◽  
Vol 9 (11) ◽  
pp. 598 ◽  
Author(s):  
Kwangseok Lee ◽  
Jeong-won Lee ◽  
Kihwan Kim ◽  
Donghyeon Yoo ◽  
Dong Kim ◽  
...  
Keyword(s):  
Energy Harvesting ◽  
Water Waves ◽  
Water Wave ◽  
Degrees Of Freedom ◽  
Low Frequency ◽  
Random Motion ◽  
Triboelectric Nanogenerator ◽  
Hybrid Energy ◽  
Pollution Levels ◽  
Self Powered

Water waves are a continuously generated renewable source of energy. However, their random motion and low frequency pose significant challenges for harvesting their energy. Herein, we propose a spherical hybrid triboelectric nanogenerator (SH-TENG) that efficiently harvests the energy of low frequency, random water waves. The SH-TENG converts the kinetic energy of the water wave into solid–solid and solid–liquid triboelectric energy simultaneously using a single electrode. The electrical output of the SH-TENG for six degrees of freedom of motion in water was investigated. Further, in order to demonstrate hybrid energy harvesting from multiple energy sources using a single electrode on the SH-TENG, the charging performance of a capacitor was evaluated. The experimental results indicate that SH-TENGs have great potential for use in self-powered environmental monitoring systems that monitor factors such as water temperature, water wave height, and pollution levels in oceans.

scholarly journals Rationally patterned electrode of direct-current triboelectric nanogenerators for ultrahigh effective surface charge density

2020 ◽  
Vol 11 (1) ◽  
Author(s):  
Zhihao Zhao ◽  
Yejing Dai ◽  
Di Liu ◽  
Linglin Zhou ◽  
Shaoxin Li ◽  
...  
Keyword(s):  
Energy Harvesting ◽  
Charge Density ◽  
Surface Charge ◽  
Direct Current ◽  
Surface Charge Density ◽  
Large Scale ◽  
Triboelectric Nanogenerator ◽  
Electrode Structure ◽  
Effective Surface ◽  
Self Powered

AbstractAs a new-era of energy harvesting technology, the enhancement of triboelectric charge density of triboelectric nanogenerator (TENG) is always crucial for its large-scale application on Internet of Things (IoTs) and artificial intelligence (AI). Here, a microstructure-designed direct-current TENG (MDC-TENG) with rationally patterned electrode structure is presented to enhance its effective surface charge density by increasing the efficiency of contact electrification. Thus, the MDC-TENG achieves a record high charge density of ~5.4 mC m−2, which is over 2-fold the state-of-art of AC-TENGs and over 10-fold compared to previous DC-TENGs. The MDC-TENG realizes both the miniaturized device and high output performance. Meanwhile, its effective charge density can be further improved as the device size increases. Our work not only provides a miniaturization strategy of TENG for the application in IoTs and AI as energy supply or self-powered sensor, but also presents a paradigm shift for large-scale energy harvesting by TENGs.

scholarly journals A novel retractable spring-like-electrode triboelectric nanogenerator with highly-effective energy harvesting and conversion for sensing road conditions

RSC Advances ◽  
2017 ◽  
Vol 7 (80) ◽  
pp. 50993-51000 ◽  
Author(s):  
Xiude Yang ◽  
Juanjuan Han ◽  
Fei Wu ◽  
Xi Rao ◽  
Guangdong Zhou ◽  
...  
Keyword(s):  
Energy Harvesting ◽  
Energy Supply ◽  
Single Layer ◽  
Triboelectric Nanogenerator ◽  
Effective Energy ◽  
Highly Effective ◽  
Triboelectric Nanogenerators

Integrated multi-layer structural triboelectric nanogenerators (TENGs) have been verified as an effective approach to solving the insufficient energy supply to single-layer devices.

scholarly journals Water-Dielectric Single Electrode Mode Triboelectric Nanogenerators for Ocean Wave Impact Energy Harvesting

Proceedings ◽  
2018 ◽  
Vol 2 (13) ◽  
pp. 714 ◽  
Author(s):  
Ulises Tronco Jurado ◽  
Suan Hui Pu ◽  
Neil M. White
Keyword(s):  
Energy Harvesting ◽  
Alternative Energy ◽  
Dielectric Material ◽  
Load Resistance ◽  
Dielectric Materials ◽  
Wave Impact ◽  
Average Output ◽  
Output Performance ◽  
Triboelectric Nanogenerators ◽  
Triboelectric Effect

The effect of water wave impacts and breakdown on the output performance of Water-Dielectric Single Electrode Mode Triboelectric Nanogenerators (WDSE-TENG) has been evaluated. When water contacts a TENG consisting of a hydrophobic dielectric layer, the triboelectric effect is generated with a net negative charge on the dielectric material and net positive charge on the water surface. The hydrophobic dielectric materials, which show the highest electrical output performance in contact with water, were FEP, silicone rubber and polyimide. The average output power of each sample for a load resistance of 10 MΩ was found to be in the range 14.69 to 19.12 µW. The results demonstrate that WDSE-TENG devices can work as an alternative energy harvesting mechanism by using water as a triboelectric material.

A Triboelectric Nanogenerator (TENG) for Pipeline Monitoring

2018 ◽  
Author(s):  
M. Taylan Das ◽  
Kavinaath Murugan ◽  
Adam Tetreault ◽  
Connor Irvine ◽  
Andrej Rosic ◽  
...  
Keyword(s):  
Energy Harvesting ◽  
Output Power ◽  
Vibrational Energy ◽  
Triboelectric Nanogenerator ◽  
Alternative Materials ◽  
Oil Pipelines ◽  
Triboelectric Nanogenerators ◽  
Surface Modified ◽  
Vibrational Energy Harvesting ◽  
Triboelectric Energy Harvesting

In this study, we present triboelectric nanogenerators (TENGs) for vibrational energy harvesting in oil pipelines. The generators are designed to replenish the batteries of leak detection sensor, thereby increasing their lifespan and reducing the need for maintenance. The TENGs were designed to harvest energy from a 12-inch diameter pipeline, vibrating with at 32 Hz. Three alternative materials were used for the upper plate of a 4 × 4 cm TENG, namely Polytetrafluoroethylene (PTFE), unstructured polydimethylsiloxane (PDMS) and structured PDMS. Tests revealed that the unstructured PDMS TENG outperformed the PTFE TENG and generated 47.6 μW of power. Structuring the PDMS by patterning open channels on half of the surface increased the output power to 200.0 μW. When the spring constant of the structured PDMS TENG was optimized, the output power was further increased to 297.7 μW. These results demonstrate that structured PDMS shows promise in triboelectric energy harvesting, specifically because it can be surface-modified using inexpensive techniques that do not require a clean room.

scholarly journals Enhancing the Triboelectric Nanogenerator Output by Micro Plasma Generation in a Micro-Cracked Surface Structure

2021 ◽  
Vol 11 (9) ◽  
pp. 4262
Author(s):  
Jinhyoung Park ◽  
Hanchul Cho ◽  
Yong-Seok Lee
Keyword(s):  
Energy Harvesting ◽  
Internet Of Things ◽  
Triboelectric Nanogenerator ◽  
Output Line ◽  
Plasma Generation ◽  
Harvesting Efficiency ◽  
Triboelectric Nanogenerators ◽  
Iot Devices ◽  
Energy Harvesting Efficiency ◽  
Triboelectric Generator

Energy harvesting, especially for powering low-power internet-of-things (IoT) devices, is gaining attention in recent years. Triboelectric nanogenerators have been studied to improve the output by applying a structure that can concentrate electrons on the surface of the generator materials. For enhancing the triboelectrification output, we herein focused on the power output line. A method for increasing the amount of electrons on the power lead by potential difference and their acceleration was studied. A rod was shaken by external vibrations; the accumulated charges were discharged in a manner similar to that of a lightning rod. Micro plasma was generated when the rod made contact with the mating micro-cracked surface innumerable times. The micro-cracked surface was fabricated with a diamond tip moving horizontally to the surface. As the resistance of the micro plasma was close to zero, the amount of electron movement was instantaneously accelerated. This type of triboelectric generator can be fabricated in the form of an electric box. By using this triboelectric power amplifier, voltage can be amplified 2 to 3 times, and the current can be amplified 10 to 15 times; thus, enhanced energy harvesting efficiency is attained.

Rationally Segmented Triboelectric Nanogenerator with Constant Direct-Current Output and Low Crest Factor

2021 ◽  
Author(s):  
Pengfei Chen ◽  
Jie An ◽  
Renwei Cheng ◽  
Sheng Shu ◽  
Andy Berbille ◽  
...  
Keyword(s):  
Energy Harvesting ◽  
Direct Current ◽  
Triboelectric Nanogenerator ◽  
Crest Factor ◽  
Current Output ◽  
Practical Applications ◽  
Triboelectric Nanogenerators

Despite great potential of triboelectric nanogenerators (TENGs) as a promising energy harvesting technology, their practical applications are still hindered by their pulsed outputs with high crest factor. Here, through a...

scholarly journals Triboelectric Nanogenerators and Hybridized Systems for Enabling Next-Generation IoT Applications

Research ◽  
2021 ◽  
Vol 2021 ◽  
pp. 1-30
Author(s):  
Qiongfeng Shi ◽  
Zhongda Sun ◽  
Zixuan Zhang ◽  
Chengkuo Lee
Keyword(s):  
Energy Harvesting ◽  
System Integration ◽  
Mechanical Energy ◽  
Development Trend ◽  
Home Healthcare ◽  
Energy Utilization ◽  
Utilization Rate ◽  
Triboelectric Nanogenerator ◽  
Human Machine Interaction ◽  
Triboelectric Nanogenerators

In the past few years, triboelectric nanogenerator-based (TENG-based) hybrid generators and systems have experienced a widespread and flourishing development, ranging among almost every aspect of our lives, e.g., from industry to consumer, outdoor to indoor, and wearable to implantable applications. Although TENG technology has been extensively investigated for mechanical energy harvesting, most developed TENGs still have limitations of small output current, unstable power generation, and low energy utilization rate of multisource energies. To harvest the ubiquitous/coexisted energy forms including mechanical, thermal, and solar energy simultaneously, a promising direction is to integrate TENG with other transducing mechanisms, e.g., electromagnetic generator, piezoelectric nanogenerator, pyroelectric nanogenerator, thermoelectric generator, and solar cell, forming the hybrid generator for synergetic single-source and multisource energy harvesting. The resultant TENG-based hybrid generators utilizing integrated transducing mechanisms are able to compensate for the shortcomings of each mechanism and overcome the above limitations, toward achieving a maximum, reliable, and stable output generation. Hence, in this review, we systematically introduce the key technologies of the TENG-based hybrid generators and hybridized systems, in the aspects of operation principles, structure designs, optimization strategies, power management, and system integration. The recent progress of TENG-based hybrid generators and hybridized systems for the outdoor, indoor, wearable, and implantable applications is also provided. Lastly, we discuss our perspectives on the future development trend of hybrid generators and hybridized systems in environmental monitoring, human activity sensation, human-machine interaction, smart home, healthcare, wearables, implants, robotics, Internet of things (IoT), and many other fields.

Single-electrode triboelectric nanogenerators based on sponge-like porous PTFE thin films for mechanical energy harvesting and self-powered electronics

2017 ◽  
Vol 5 (24) ◽  
pp. 12252-12257 ◽  
Author(s):  
Meng Wang ◽  
Nan Zhang ◽  
Yingjie Tang ◽  
Heng Zhang ◽  
Chuan Ning ◽  
...  
Keyword(s):  
Thin Films ◽  
Energy Harvesting ◽  
Mechanical Energy ◽  
Triboelectric Nanogenerator ◽  
Self Powered ◽  
Triboelectric Nanogenerators

A single-electrode triboelectric nanogenerator (S-TENG) based on sponge-like porous polytetrafluoroethylene (PTFE) thin films was developed.

scholarly journals Energy Harvesting: A Motion- and Sound-Activated, 3D-Printed, Chalcogenide-Based Triboelectric Nanogenerator (Adv. Mater. 14/2015)

2015 ◽  
Vol 27 (14) ◽  
pp. 2408-2408 ◽  
Author(s):  
Mehmet Kanik ◽  
Mehmet Girayhan Say ◽  
Bihter Daglar ◽  
Ahmet Faruk Yavuz ◽  
Muhammet Halit Dolas ◽  
...  
Keyword(s):  
Energy Harvesting ◽  
Triboelectric Nanogenerator ◽  
3D Printed
Sign in / Sign up

Export Citation Format

Share Document