A spherical TENG with a spring-assisted multilayered structure was power-managed to effectively harvest multidirectional water wave energy.

Abstract Ocean wave energy is a promising renewable source, but harvesting such irregular, “random,” and mostly ultra‐low frequency energies rather challenging due to technological limitations. Triboelectric nanogenerators (TENGs) provide potential efficient technology for scavenging ocean energy. Here, robust swing‐structured triboelectric nanogenerator (SS‐TENG) with high conversion efficiency water reported. The swing structure inside the cylindrical TENG greatly elongates its operation...

Ocean waves are one of the most promising renewable energy sources for large-scope applications. Recently, triboelectric nanogenerator (TENG) network has been demonstrated to effectively harvest water wave possibly toward large-scale blue energy. However, absence effective power management severely restricts practicability TENGs. In this work, a hexagonal TENG consisting spherical units based on spring-assisted multilayered structure, integrated with module (PMM), is constructed harvesting...

Abstract Making use of water wave energy at large is one the most attractive, low‐carbon, and renewable ways to generate electric power. The emergence triboelectric nanogenerator (TENG) provides a new approach for effectively harvesting such low‐frequency, irregular, “random” energy. In this work, TENG array consisting spherical units based on spring‐assisted multilayered structure devised scavenge introduction spring enhances output performance by transforming low‐frequency motions into...

Abstract Ocean waves are considered to be one of the most promising renewable energy sources, and harvesting such via triboelectric nanogenerators (TENGs) is an effective strategy toward large‐scale blue energy. However, previous optimization schemes TENG cannot meet demands practical applications. In this work, a new charge excitation circuit (CEC) with advantages integration, high efficiency, minimum impedance developed specially for TENGs harvest water wave The CEC exhibits significantly...

Abstract Wind energy, as one kind of renewable and sustainable energy sources, is expected to solve the problem consumption environment deterioration. Here, an improved rotary triboelectric nanogenerator (TENG) using rabbit fur‐based soft‐contact (SCR‐TENG) with segmented structure for harvesting low‐speed wind design fabricated. The adopted soft raw‐rabbit fur shows excellent performance in triboelectrification beneficial reducing frictional resistance prolonging lifetime device. After 480...

Abstract In the new energy era, ocean wave is recognized as one of most important clean and renewable sources. As an advanced technology, developing triboelectric nanogenerators (TENGs) to harvest has become a promising research direction. However, for current fully enclosed TENGs or liquid–solid TENGs, industrialization limited. this work, TENG with working scheme proposed water harvesting. Through designing opposite dynamic electric‐double‐layers, efficient conversion kinetic into...

Abstract Ocean wave energy, as one of the most abundant resources on earth, is a promising energy source for large‐scale applications. Triboelectric nanogenerators (TENGs) provide new strategy water harvesting; however, its average performance in realistic conditions still not high. In this work, whirling‐folded TENG (WF‐TENG) with maximized space utilization and minimized electrostatic shielding constructed by 3D printing printed circuit board technologies. The flexible vortex structure...

Triboelectric nanogenerator (TENG) has been proven to be efficient for harvesting water wave energy, which is one of the most promising renewable energy sources. In this work, a TENG with silicone rubber/carbon black composite electrode was designed converting into electricity. The silicone-based soft texture provides better contact dielectric film. Furthermore, spring structure introduced transform low-frequency motions high-frequency vibrations. They together improve output performance and...

Abstract The internet of things in the context ocean is vitally important. For ships sailing on wide adverse weather conditions, evasion marine islands and reefs crucial to ensure safe navigation. Here, a hybrid wave energy harvesting nanogenerator proposed (HW‐NG) as power source for long‐distance wireless transmission, demonstrated self‐powered route avoidance warning system HW‐NG developed based triboelectric (TENG) an electromagnetic generator (EMG), integrated by pendulum structure....

Abstract The exploration of water wave energy to generate electric power is a promising and valuable way solve global crisis. Triboelectric nanogenerators (TENGs) are considered as one the most approaches for harvesting energy. Here, butterfly‐inspired triboelectric nanogenerator (B‐TENG) with spring‐assisted four‐bar linkage fabricated acquire multidirectional from different types movements generated by device. arc‐shaped outer shell can efficiently absorb impact force inner induce multiple...

Ocean wave energy is a promising source for large-scale exploitation owing to its abundant reserve and renewability. An effort underway develop generator that can adapt the ultra-low frequency of ocean vibration. Here, we designed cylindrical triboelectric nanogenerator with an internal swing structure effective water harvesting. Based on supporting effect bearing component, rotary dielectric films be suspended over stator electrodes, rather than coming into direct contact them. Benefiting...

Abstract Utilizing hydrogen energy produced by water electrolysis is conducive to carbon neutrality from a technological point of view. However, this perspective restrained the high electricity cost in commercial development. Powering electrochemical reactions renewable converted distributed mechanical can lead electric saving and reduction. In work, self‐powered system (SPECS) proposed for conversion blue ocean waves green via fuel. This consists triboelectric nanogenerator (TENG) devices...

Abstract Wind energy is one of the most promising renewable sources, but harvesting low frequency breeze wind hardly achieved using traditional electromagnetic generators (EMGs). Triboelectric nanogenerators (TENGs) provide a new approach for large‐scale collection distributed (usually 3.4–5.4 m s −1 ). Herein, by coupling TENG and EMG, swing‐structured hybrid nanogenerator with improved performance durability designed. The dielectric brush air gap designs can minimize material wear...

Abstract With increasing global warming, catastrophic floods have threatened people's lives seriously and caused huge economic losses. However, present water hazard alarming systems generally rely on commercial batteries, limiting the intelligent development of disaster prevention planning maintenance costs. In order to break limitation, this work applies triboelectric nanogenerators (TENGs) alarming. A spherical TENG device with four spiral units is designed harvest wave energy, charge...

Blue energy, which includes rainfall, tidal current, wave, and water-flow is a promising renewable resource, although its exploitation limited by current technologies thus remains low. This form of energy mainly harvested electromagnetic generators (EMGs), generate electricity via Lorenz force-driven electron flows. Triboelectric nanogenerators (TENGs) TENG networks exhibit superiority over EMGs in low-frequency high-entropy harvesting as new approach for blue harvesting. A produces...

As an important part of natural resources, islands support the marine economy and build a blue barrier for ecological civilization. However, power supply on these is difficult, limiting development internet things (IoTs). In order to break status quo, this work applies triboelectric nanogenerators (TENGs) island monitoring. A spherical TENG with two multilayered helical units designed harvest water wave energy, in which space utilization rate reaches 92.5%. Then charge shuttling mechanism...

Electroporation is an effective approach for drug and gene delivery, but it still limited by its low-throughput severe cell damage. Herein, with a self-powered triboelectric nanogenerator as the power source, we demonstrated high-throughput electroporation system based on design of biocompatible flexible polypyrrole microfoam electrode within flow channel. In particular, to lower imposed voltage, one-dimensional (1D) Ag nanowires were modified build up locally enhanced electric field reduce...

Wide-band vibration is abundant in various industrial equipment, but extracting low frequency energy challenging. Here, we demonstrated a trapezoidal cantilever-structure triboelectric nanogenerator (C-TENG) that can efficiently harvest from the range of 1-22 Hz. The C-TENG fabricated with flexible film electrode, and its mechanical model analyzed structural mechanics for optimal performance device. source as 1 Hz, output power density reaches 62.2 W/m3 at 5 Furthermore, management module...

As a clean and renewable energy source with huge reserves, the development of ocean wave has important strategic significance. Harvesting through novel triboelectric nanogenerators (TENGs) shown promising application prospects. For this technology, integration TENG units is crucial step to realize large-scale network commercialization. All aspects networking process are systematically summarized in review, including topology design circuit-connection scheme. Advancing research on expected...

Highly dispersed colloidal gold (Au) nanoparticles were synthesized at room temperature using glow discharge plasma within only 5 min. The prepared Au colloids characterized with UV-visible absorption spectra (UV-vis), X-ray photoelectron spectroscopy (XPS), and transmission electron microscopy (TEM) equipped an energy dispersion spectrometer (EDX). UV-vis, XPS EDX results confirmed that Au3+ ions in HAuCl4 solution could be effectively reduced into the metallic state plasma. TEM images...