Directional Moisture-Wicking Triboelectric Materials Enabled by Laplace Pressure Differences

Nano Letters, Journal Year: 2024, Volume and Issue: 24(23), P. 7125 - 7133

Published: May 29, 2024

Wearable sensors are experiencing vibrant growth in the fields of health monitoring systems and human motion detection, with comfort becoming a significant research direction for wearable sensing devices. However, weak moisture-wicking capability sensor materials leads to liquid retention, severely restricting sensors. This study employs pattern-guided alignment strategy construct microhill arrays, endowing triboelectric directional capability. Within 2.25 s, can quickly directionally remove droplets, driven by Laplace pressure differences wettability gradient. The exhibit excellent performance, enabling rapid response/recovery (29.1/37.0 ms), thereby achieving real-time online respiration movement states. work addresses long-standing challenge insufficient driving force flexible electronic materials, holding implications enhancing application potential skin

Language: Английский

---

Exploring Liquid-Solid Interface Based Triboelectrification, Structures, and Applications

Nano Energy, Journal Year: 2024, Volume and Issue: unknown, P. 110319 - 110319

Published: Sept. 1, 2024

Language: Английский

---

Spontaneous charging-induced droplets directional steering

Nano Energy, Journal Year: 2024, Volume and Issue: 127, P. 109766 - 109766

Published: May 18, 2024

Language: Английский

---

High‐Performance Droplet‐Based Triboelectric Nanogenerators: A Comparison of Device Configuration and Operating Parameters

Advanced Materials Technologies, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 14, 2025

Abstract Droplet‐based electricity generators (DEGs) harness liquid‐solid electrification to convert water droplets impacts into electrical energy. This study systematically examines how droplet height, volume, flow rate, and substrate tilt angle influence DEG performance using polytetrafluoroethylene (PTFE) as a triboelectric layer deionized water. Three electrode designs (double, top, bottom) are evaluated, revealing that the double‐electrode configuration delivers highest output. enhanced arises from synergistic motion, double‐layer formation, charge discharge, validated by an equivalent circuit model. By varying heights 1–20 cm, volumes of 7.7–50 µL, rates 50–300 drops/min, angles 0–90°, optimized setup yields −70 V 22 mA, translating power density 0.28 µW cm −2 . High‐speed imaging correlates these outputs with impact dynamics resulting transfer. Additionally, can small electronic devices, capacitors, monitor artificial acid rain in real‐time, displaying distinct signals compared typical rainwater. These findings underscore potential DEGs renewable energy harvesters smart environmental sensors, paving way for advanced on‐demand generation diverse settings.

Language: Английский

---

Liquid-solid triboelectric nanogenerator for bubbles real-time detecting

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 160049 - 160049

Published: Jan. 1, 2025

Language: Английский

---

Triboelectric nanogenerators as a probe for studying charge transfer at liquid–solid interface

MRS Bulletin, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 3, 2025

Language: Английский

---

Advancements in solid–liquid triboelectric nanogenerators

MRS Bulletin, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 27, 2025

---

Innovative Undergraduate Experiments in Solid–Liquid Contact Electrification: Droplet Nanogenerators and Contact-Electro-Catalysis

Journal of Chemical Education, Journal Year: 2025, Volume and Issue: unknown

Published: March 13, 2025

Language: Английский

---

Recent Advances in Enhancing the Output Performance of Liquid-Solid Triboelectric Nanogenerator (L-S TENG): Mechanisms, Materials, and Structures

Nano Energy, Journal Year: 2024, Volume and Issue: 131, P. 110191 - 110191

Published: Aug. 30, 2024

Language: Английский

---

Rational Design of Triboelectric Materials and Devices for Self‐Powered Food Sensing

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 23, 2024

Against the backdrop of rapid advancements in 5G and Internet Things (IoT) technologies, there is an urgent need to upgrade food sensing systems achieve automation, digitalization, intelligence. However, this transformation process faces numerous challenges. Triboelectric nanogenerators (TENGs), as emerging energy conversion technology, play a crucial role context. They not only provide power functional devices but also serve sensors multifunctional self-powered systems, capable detecting various physical chemical information. This review explores development TENGs field sensing, focusing on working principles their sensing. The systematically organizes classifies material device designs used for applications. Based performance TENGs, detailed introduction provided specific applications sterilization, quality monitoring, taste safety. Finally, paper discusses challenges corresponding strategies field. aim further promote unmanned smart services management sector new research perspectives.

Language: Английский

---