- Advanced Sensor and Energy Harvesting Materials
- Conducting polymers and applications
- Innovative Energy Harvesting Technologies
- Tactile and Sensory Interactions
- Muscle activation and electromyography studies
- Electromagnetic wave absorption materials
- Supercapacitor Materials and Fabrication
- Analytical Chemistry and Sensors
- Energy Harvesting in Wireless Networks
- Wave and Wind Energy Systems
- Wireless Power Transfer Systems
- Ocean Acidification Effects and Responses
- Gas Sensing Nanomaterials and Sensors
- Lubricants and Their Additives
- Micro and Nano Robotics
- Electrowetting and Microfluidic Technologies
- Modular Robots and Swarm Intelligence
- Adhesion, Friction, and Surface Interactions
- Maritime Transport Emissions and Efficiency
- Cardiovascular and Diving-Related Complications
- Mechanical and Optical Resonators
- Environmental Engineering and Cultural Studies
- Advanced MEMS and NEMS Technologies
- Advanced Fiber Optic Sensors
Dalian Maritime University
2021-2025
In light of the crucial role marine ecosystems and escalating environmental conservation challenges, it is essential to conduct monitoring help implement targeted protection measures efficiently. Energy harvesting technologies, particularly triboelectric nanogenerators (TENGs), have great potential for prolonging lifespan enhancing reliability sensors in remote areas. However, high internal resistance, low current, friction-induced abrasion issues TENGs limit their performance practical...
This study aims to introduce and discuss the recent research, development application of wave energy marine buoys. The topic becomes increasingly appealing after observation that technologies have been evolving in decades, yet not reached convergence. power supply is usually bottleneck for distributed systems such as Wave are especially useful this sense, they can capture convert promising “native” renewable ocean (i.e., energy) into electricity. paper enumerates developments (e.g.,...
Abstract Addressing the power supply challenges of wireless sensor nodes is pivotal for advancing development Internet Things (IoT). This work proposes a high performance and stackable trampoline like‐triboelectric vibration energy harvester (T‐TVEH) that can efficiently harvest ultra‐wideband vibrational in‐situ powering nodes. The unique structural design material selection enables T‐TVEH to represent breakthrough in terms both working bandwidth density compared recent research efforts...
Harvesting acoustic energy in the environment and converting it into electricity can provide essential ideas for self-powering widely distributed sensor devices age of Internet Things. In this study, we propose a low-cost, easily fabricated high-performance coniform Helmholtz resonator-based Triboelectric Nanogenerator (CHR-TENG) with purpose harvesting. Output performances CHR-TENG varied geometrical sizes were systematically investigated under different conditions. Remarkably, could...
Sound wave is an extensively existing mechanical wave, especially in marine and industrial plants where low-frequency acoustic waves are ubiquitous. The effective collection utilization of sound provide a fresh new approach to supply power for the distributed nodes rapidly developing Internet Things technology. In this paper, novel triboelectric nanogenerator (QWR-TENG) was proposed efficient energy harvesting. QWR-TENG consisted quarter-wavelength resonant tube, uniformly perforated...
Abstract Self‐powered vibration sensor is highly desired for distributed and continuous monitoring requirements of Industry 4.0. Herein, a flexible fiber‐shaped triboelectric nanogenerator (F‐TENG) with coaxial core‐shell structure proposed the monitoring. The F‐TENG exhibits higher adaptability to complex surfaces, which has an outstanding application prospect due vital compensation existing rigid sensors. Initially, contact characteristics between dielectric layers, that related perceiving...
In recent years, a free-rotating disk triboelectric nanogenerator (rTENG) has attracted considerable attention as promising energy harvester due to its high output among many (TENG) types. However, the of rTENG is often challenged by air breakdown between electrodes. To overcome this issue, in present work, we have developed based on alcohol-soluble nylon technology (AN-rTENG). Compared conventional nylon-based (CN-rTENG), AN-rTENG significantly suppresses and improves increased capacity...
Pervasive and continuous energy solutions are highly desired in the era of Internet Things for powering wide-range distributed devices/sensors. Wind has been widely regarded as an ideal source devices/sensors due to advantages being sustainable renewable. Herein, we propose a high-performance flag-type triboelectric nanogenerator (HF-TENG) efficiently harvest available wind energy. The HF-TENG is composed one piece polytetrafluoroethylene (PTFE) membrane two carbon-coated polyethylene...
Abstract Developing desirable sensors is crucial for underwater perceptions and operations. The perceiving organs of marine creatures have greatly evolved to react accurately promptly underwater. Inspired by the fish lateral line, this study proposes a triboelectric dynamic pressure sensor perception. biomimetic line (BLLS) has high sensitivity disturbance amplitude/frequency, good adaptability environments (relative) low cost. are deployed at bottom test basin perceive various moving...
Wind energy holds potential for in-situ powering large-scale distributed wireless sensor nodes (WSNs) in the Internet of Things (IoT) era. To achieve high performance wind harvesting, a coaxial counter-rotating triboelectric nanogenerator with lift–drag hybrid blades, termed CCR-TENG, has been proposed. The which can work non-contact and soft-contact modes, realizes low-speed harvesting through combination counter-clockwise rotating lift-type blades clockwise drag-type blades. Non-contact...
Enhancing marine sensory capabilities is a crucial pathway to advance human understanding of the oceans. Triboelectric Nanogenerators (TENG), known for their high-quality self-powered sensing properties, present novel solution underwater sensing. In this paper, we introduce new hydraulic pressure TENG (HP-TENG) structure designed specifically measurements. When external changes, slider slides along cylinder shell and contact area between fluorinated ethylene propylene (FEP) film aluminum...
Abstract Wireless sensor networks play a significant role in various fields, and it is promising to construct totally self‐powered wireless network by harvesting unused mechanical vibration energy. Here, magnetic mass‐enhanced triboelectric‐electromagnetic hybrid nanogenerator (MM‐HNG) proposed for The additional magnets generate fields electromagnetic power generation. As an mass effectively increases the membrane's amplitude, thereby enhancing output performance of MM‐HNG. peak density...
Abstract Measurement while drilling (MWD) system of offshore drill pipe is great significance for safety production. It greatly demanded to develop a sustainable power supply as well self‐powered sensors the MWD system. In this work, pipe‐embedded annular type triboelectric nanogenerator (AT‐TENG) proposed and systematically investigated, it consists an silicone rubber pair electrodes. The design AT‐TENG allows contact separate with electrodes easily in narrow space under arbitrary direction...
Abstract The ability to perceive underwater flow fields is essential for the stable operation and efficient navigation of vehicles. Fish use their lateral lines detect changes in surrounding field, even low visibility harsh environments. Inspired by line neuromasts fish, this paper introduces a triboelectric bionic lateral‐line sensor (TBLS) designed enable vehicles fields, including propeller‐generated wakes oscillating flows. TBLS comprises flexible sensing unit canal. It has measurement...
Acoustic energy, especially broadband low-frequency sound energy is part of the environmental mechanical acquisition cannot be ignored. Herein, a multi-tube parallel Helmholtz resonator-based triboelectric nanogenerator (MH-TENG) investigated to reap in noise environments. The designed MH-TENG consists modified resonator and thin-film TENG transducer. core materials transducer are aluminum, FEP film, carbon. To further clarify influence on conversion performance MH-TENG, acoustic...
Abstract The precision in controlling fluid flow is crucial for the efficiency of microchannel devices. Consequently, it essential to monitor within microchannels real time. However, flow's susceptibility disturbance and small size present challenges sensing. A Liquid‐Solid Triboelectric Nanogenerator (TENG) with grating electrodes proposed non‐invasive sensing liquid plug movements suitable use opaque channels. This sensor operates on principle initiating multiple pulse signals via...
Exhaust gas flow takes a vital position in the assessment of ship exhaust emissions, and it is essential to develop self-powered robust sensor such harsh working environment. In this work, bearing type triboelectric nanogenerator (B-TENG) for sensing proposed. The rolling steel balls on PTFE film leads an alternative current generated, which realizes sensing. influence ball materials numbers systematically studied, B-TENG with six confirmed according test result. After design optimization,...