Portable triboelectric-electromagnetic hybrid biomechanical energy harvester for driving various functional light-emitting diodes with a wide range of wavelengths

Ra, Yoonsang; Kim, Yu-seop; Yang, Seonmo; Kang, Namgyu; Oh, Gyuwon; Cho, Chungyeon; Lee, Sangmin; Choi, Dongwhi

doi:10.1016/j.nanoen.2023.109052

Cited by 8 publications

(1 citation statement)

References 49 publications

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“…In an era increasingly dominated by small electronic devices and sensors, the focus has intensified on creating compact, efficient energy-harvesting technologies. Unlike traditional large-scale power generators, modern energy harvesters are characterized by their compactness and adaptability, which enables them to be integrated into various environments and serve as localized, continuous power sources. − Furthermore, energy harvesters have recently been used for biomonitoring applications − and artificial intelligence-assisted sensors. , Among the renewable energy sources, wind energy, which is renowned for its abundance and sustainability, has traditionally been harnessed by using large wind turbines located in open areas. Despite their effective power generation, these turbines face limitations due to the need for high wind speeds, substantial land space, and environmental impacts, including noise pollution and aesthetic concerns.…”

Section: Introductionmentioning

confidence: 99%

Vertical Blinds-Inspired Triboelectric Nanogenerator for Wind Energy Harvesting and Self-Powered Wind Speed Monitoring

Choi,

Jeong,

Kang

et al. 2024

ACS Appl. Electron. Mater.

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Triboelectric nanogenerators (TENGs) stand out in the evolving landscape of wind-energy harvesting because of their potential for sustainable energy production. Despite these advancements, challenges remain in achieving practical designs that integrate seamlessly into everyday environments. Our study introduces a vertical blind-shaped triboelectric nanogenerator (VB-TENG) inspired by common vertical blinds in residential settings. The VB-TENG harnesses wind energy through an innovative design involving thin, vertically aligned poly(ethylene terephthalate) films, each coated with aluminum. This design serves not only as a functional energy harvester but also as a harmonious addition to urban aesthetics, mimicking the appearance and movement of traditional blinds. Utilizing vortex-induced vibration, the VB-TENG efficiently converts wind energy into electricity, a process validated through simulation and high-speed camera analyses. Our extensive experiments demonstrate that the effectiveness of the VB-TENG is considerably influenced by structural elements such as the number, width, and thickness of the films, attached lead weights, and varying wind conditions. Furthermore, the capability of our harvester extends beyond energy harvesting to function as a self-powered wind sensor, showcasing its multifunctionality. The VB-TENG offers a unique combination of efficiency, aesthetic integration, and multifunctionality. This marks a significant step forward in wind-driven TENG technology by proposing an energy-harvesting solution that is effective and elegantly integrated into the fabric of daily living environments, paving the way for more sustainable and practical energy solutions.

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Section: Introductionmentioning

confidence: 99%

Vertical Blinds-Inspired Triboelectric Nanogenerator for Wind Energy Harvesting and Self-Powered Wind Speed Monitoring

Choi,

Jeong,

Kang

et al. 2024

ACS Appl. Electron. Mater.

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Scott–Russel Linkage‐Based Triboelectric Self‐Powered Sensor for Contact Material‐Independent Force Sensing and Tactile Recognition

Seo,

Kong,

Chung

2024

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The rapid growth of Internet of Things (IoT) in recent years has increased demand for various sensors to collect a wide range of data. Among various sensors, the demand for force sensors that can recognize physical phenomena in 3D space has notably increased. Recent research has focused on developing energy harvesting methods for sensors to address their maintenance problems. Triboelectric nanogenerator (TENG) based force sensors are a promising solution for converting external motion into electrical signals. However, conventional TENG‐based force sensors that use the signal peak can negatively affect data accuracy. In this study, a Scott–Russell linkage‐inspired TENG (SRI‐TENG) is developed. The SRI‐TENG has completely separate signal generation and measurement sections, and the number of peaks in the electrical output is measured to prevent disturbing output signals. In addition, the lubricant liquid enhances durability, enabling stable force signal measurements for 270 000 cycles. The SRI system demonstrates consistent peak counts and high accuracy across different contacting surfaces, indicating that it can function as a contact material‐independent self‐powered force sensor. Furthermore, using a deep learning method, it is demonstrated that it can function as a multimodal sensor by realizing the tactile properties of various materials.

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Direct electrospinning of reconstructable PVDF-TrFE nanofibrous mat onto conductive cement nanocomposite for triboelectricity-assisted net zero energy structure

Ra,

Kim,

You

et al. 2024

Chemical Engineering Journal

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Portable triboelectric-electromagnetic hybrid biomechanical energy harvester for driving various functional light-emitting diodes with a wide range of wavelengths

Cited by 8 publications

References 49 publications

Vertical Blinds-Inspired Triboelectric Nanogenerator for Wind Energy Harvesting and Self-Powered Wind Speed Monitoring

Vertical Blinds-Inspired Triboelectric Nanogenerator for Wind Energy Harvesting and Self-Powered Wind Speed Monitoring

Scott–Russel Linkage‐Based Triboelectric Self‐Powered Sensor for Contact Material‐Independent Force Sensing and Tactile Recognition

Direct electrospinning of reconstructable PVDF-TrFE nanofibrous mat onto conductive cement nanocomposite for triboelectricity-assisted net zero energy structure

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