Articles tagged with Energy Harvesting
Researchers have identified a mechanism to improve energy efficiency by converting wasted heat into electricity using hollow silicon nanotubes. This technology has the potential to replace rare metals with abundant silicon, leading to more efficient thermoelectric devices.
Researchers developed a liquid material that charges like a battery, transforms like a living organism, and resets itself in open air. The material stores power for months and can be recharged, making it useful for adaptive clean renewable systems.
Lanzhou Jiaotong University researchers developed a droplet-based energy harvesting technology that converts secondary wastewater effluents into electricity. The system achieved high output performance and successfully powered LED lights, demonstrating its practical energy harvesting capability.
Researchers have developed a skin-conformal wearable healthcare system that measures electrocardiogram (ECG) signals without a battery. The system uses human body–coupled wireless power transfer to enable long-term health monitoring, overcoming the power supply challenge in wearable devices.
A team of researchers at The University of Osaka has created a wireless EEG transmission system that can operate without external power sources. The system harnesses energy from the temperature difference between the human body and surrounding air, allowing it to function reliably even in hot summer conditions.
A breakthrough in computer-designed thermoelectric generators has achieved more than eight times better efficiency than conventional designs. The innovative approach uses topology optimization to precisely control heat flow and minimize electrical resistance.
Researchers at the University of Surrey have developed a new way of designing thermoelectric materials using metal-polymer superlattices, which improves performance and reduces environmental impact. The breakthrough could lead to practical energy harvesting solutions for wearable technologies and industrial applications.
Scientists at Osaka Metropolitan University developed high-performance lead-free piezoelectric thin films directly on standard silicon wafers. The films achieved the highest piezoelectric response ever reported for bismuth ferrite, enabling a fivefold improvement in energy conversion efficiency.
Researchers at ISTA discover perovskites' unique photovoltaic properties rely on structural defects, enabling long-range charge transport. This finding accelerates the transition of next-gen perovskite solar cells to real-world applications.
Researchers create novel contactless electricity generation technique leveraging electrostatic charges and viscous force of compressed air. The device generates high ESD-based outputs, powering electronic devices and regulating humidity.
Jing Yang, a University of Virginia professor, has been recognized by the Institute of Electrical and Electronics Engineers (IEEE) for her pioneering work on energy-harvesting wireless communications and Age of Information optimization. Her research aims to improve efficiency, timeliness, and sustainability in modern wireless networks.
Researchers at Jeonbuk National University propose hierarchical porous copper nanosheet-based triboelectric nanogenerators, demonstrating efficient energy harvesting and multifunctionality. The devices achieve a remarkable 590% increase in electrical output while maintaining stability over 100,000 repeated mechanical cycles.
Researchers developed a portfolio optimization framework to maximize offshore energy production by identifying optimal locations for wind turbines and marine hydrokinetic technologies. The study found that combining these technologies in suitable locations can significantly reduce costs and increase energy stability.
A new study finds that an integrated harvesting method can reduce greenhouse gas emissions by 9% and energy use by 5% in smaller fields. Another study reveals that tiller mass is sensitive to nitrogen management, with a decline in biomass yield over time.
A new iron-based magnetic material achieves a 50% reduction in core loss compared to initial amorphous materials, particularly in the high-frequency range. This breakthrough is expected to contribute to next-generation transformers and EV components, leading to more energy-efficient electric machines.
The researchers developed a chromatic filtration strategy to narrow the emission spectrum of mechanoluminescent materials, resulting in high spectral resolution and reduced noise. The new technology has significant potential for applications such as wearable sensors and healthcare motion monitoring.
The FAU College of Engineering and Computer Science has established the 'Ubicquia Innovation Center for Intelligent Infrastructure' to develop transformative technologies. The center will empower students and faculty to create AI-First solutions for a smarter, more connected world.
A team of scientists has developed a breakthrough floating droplet electricity generator that directly incorporates natural water into its structure, reducing material weight by about 80% and cost by about 50%. The device produces high peak output voltages comparable to conventional systems.
A team of researchers from Japan has developed a novel approach to convert waste heat into electricity with higher efficiency than traditional methods, leveraging non-thermal Tomonaga-Luttinger liquid. This breakthrough could pave the way for more sustainable low-power electronics and quantum computing.
A new study by NERC finds that long-term funding has driven the UK's offshore wind industry, providing 17% of total UK electricity and supporting 32,000 jobs. The investment is expected to grow to 100,000 by 2030.
Researchers developed a lightweight, high-output piezoelectric energy harvester that minimally disrupts insect flight behavior. The device achieves 5.66 V and 1.27 mW/cm³ energy output, making it suitable for environmental monitoring and rescue missions.
Researchers have designed an optical device that functions as an optical black hole or white hole, behaving like a cosmic object that either swallows or repels light. This device relies on coherent perfect absorption of light waves and offers new possibilities for manipulating light-matter interactions.
Researchers developed a bio-inspired thermoelectric cement with a Seebeck coefficient of −40.5 mV/K, surpassing previous materials by ten times. The composite achieves superior mechanical strength and energy storage potential, enabling continuous power supply for electronic devices.
UT Dallas researchers have invented a mandrel-free method for fabricating springlike polymer muscles with high-spring-index yarns. These muscles can significantly contract and elongate due to their large spring index, enabling applications in comfort-adjusting jackets and mechanical energy harvesting.
Researchers have developed a new technology that can turn thermal radiation into electricity in a way that exceeds the physical limit of Planck's law. The breakthrough could revolutionize manufacturing industries by increasing power generation without high temperature heat sources or expensive materials.
Recent advancements in materials science have led to the creation of flexible and lightweight energy storage solutions, overcoming traditional battery limitations. These integrated systems facilitate continuous operation of sensors and processors vital for real-time health monitoring, minimizing reliance on external power sources.
Researchers at Syracuse University have developed ultra-thin absorbers that exceed theoretical limits, enabling efficient capture of electromagnetic waves across broad frequency ranges. These advancements have significant implications for industries such as defense, energy harvesting and advanced communication systems.
Researchers at Chung-Ang University have developed a novel hydrovoltaic device that can produce up to a few tens of microwatts and responds quickly to evaporation-driven changes in water flow, making it suitable for fire detection. The device also exhibits excellent stability over extended periods.
Researchers at North Carolina State University have developed wearable technologies that both generate electricity from human movement and improve comfort. They used amphiphiles to create slippery surfaces on fabrics, reducing friction while allowing electrons to be donated, resulting in a material capable of generating up to 300 volts.
Researchers at PolyU have invented a ground-breaking self-powered mechanism to eject freezing droplets, enabling cost-efficient and promising technological applications. The discovery uses spring-like elastic pillars to accelerate ejection velocity and enlarge kinetic energy transformation of freezing droplets.
Researchers at SeoulNational University of Science & Technology propose two new designs for energy-efficient vibration energy harvesters that boost power output and efficiency. The designs use a repulsive magnet pair, yoke, and optimized coil placement to maximize magnetic flux change, leading to higher power generation.
Researchers are developing new ways to harvest and adapt energy from everyday home activities, such as turning a doorknob or opening a fridge door. This technology aims to create smart interfaces that can power appliances and assist people with disabilities, increasing energy efficiency and accessibility.
A new stretchable piezoelectric energy harvester has been developed using lead zirconate titanate (PZT), exhibiting high energy efficiency and stretchability. The device is 280 times more efficient than traditional stretching piezoelectric energy harvesters.
A team of scientists has developed a novel method to explain the behavior of water-responsive materials, which can change shape in response to humidity fluctuations. This breakthrough could advance efforts toward clean energy production, robotics, and bioelectronics.
Researchers developed a new approach for harvesting and storing solar energy efficiently using molecular solar energy storage systems. The system increases solar energy storage efficiency by more than one order of magnitude.
Researchers at KAIST have developed a thermoelectric material that can generate electricity from body temperature and maintain stable performance even in extreme environments. The material, made of bismuth telluride fibers, has higher bending strength and showed no change in electrical properties after repeated bending tests.
Researchers at Rensselaer Polytechnic Institute developed a polymer film infused with a special chalcogenide perovskite compound that produces electricity when squeezed or stressed. The material has shown promising results, including powering LED lights and potentially being used in machines, infrastructure, and biomedical applications.
Researchers found inorganic nanostructures surrounding deep-ocean hydrothermal vents that mimic molecules essential for life. These structures can harness energy and convert it into electricity, sparking interest in applying this technology to industrial blue-energy harvesting.
Researchers at Kyushu University developed a new organic thermoelectric device that can generate power from ambient temperature. The device, composed of copper phthalocyanine and fullerenes, achieved an open-circuit voltage of 384 mV and a short-circuit current density of 1.1 μA/cm².
Researchers at UW have created a flexible, durable electronic prototype that converts body heat into electricity, powering small electronics like batteries or sensors. The device is also resilient and can be used in various applications, including wearables and data centers.
The wearable device monitors vital chemical levels in fingertip sweat, fueling its own energy and powering a suite of sensors. It can track glucose, vitamins, lactate, and levodopa levels without requiring physical activity or stimuli, offering a reliable health monitoring solution.
Scientists at Tohoku University create a novel technology to harness ambient low-power RF signals, enabling battery-free operation for electronic devices and sensors. The developed compact spin-rectifier technology converts faint ambient RF signals to DC power.
A team of NUS researchers developed a compact and sensitive rectifier technology that uses nanoscale spin-rectifiers to convert ambient wireless radio frequency signals into DC voltage. The technology overcomes challenges in existing energy harvesting modules, enabling battery-free operation for small electronic devices.
A team of Lehigh University researchers led by Professor Muhannad Suleiman is working to develop floating offshore wind platforms that can harness both wind and wave energy. The goal is to create more efficient and resilient structures that can withstand extreme weather conditions.
Researchers developed a novel nanoporous material with exceptional piezoelectric capabilities, outperforming traditional lead-based materials. The material's ultra-thin structure and straightforward synthesis approach make it a highly promising candidate for future high-density energy harvesting.
A £800,000 project aims to optimise a flexible floating offshore wind platform for applications in the Celtic Sea. The initiative will support local supply chains and increase the use of local steel in fabrication, with the goal of reducing costs and environmental impact.
A team of scientists led by postdoctoral fellow Johan du Buisson has developed an information engine that can convert heat energy into work. By measuring the location of a tiny bead in a water bath with high accuracy, the engine is able to produce significant power output, approximately ten times faster than the speed of E. coli.
Scientists at TIBI employed AI to enhance the design and production of nanofibers used in acoustic energy harvesters, resulting in higher power density and energy conversion efficiency. The AI-generated nanofibers produced better performance than conventionally fabricated devices.
Researchers at Pohang University of Science & Technology have developed the first wide field-of-hearing metalens, overcoming traditional acoustic lens limitations. The device achieves up to 140 degrees of field-of-hearing without sound distortion, enabling new applications in acoustic imaging and high-sensitivity sensing.
Researchers developed a semipermeable membrane that harnesses osmotic energy from salt gradients, achieving higher power density and stable performance underwater. The design expands the range of ecological materials for RED membranes, making them more feasible for real-world use.
A new design for a liquid–solid triboelectric nanogenerator has increased the amount of wave energy that can be harvested from ocean waves. By repositioning the electrode, researchers were able to boost the device's conversion efficiency 2.4 times, demonstrating its potential for larger-scale applications.
Researchers developed a multifunctional elastic metasurface that can be freely configured for practical applications. The metasurface harnesses elastic waves in piezoelectric components, increasing electricity production efficiency and overcoming limitations in theoretical analysis.
Scientists have discovered that exposing tellurite glass to femtosecond laser light creates nanoscale crystals that can generate electricity when exposed to light. This breakthrough enables the creation of a transparent, single-material light-harvesting and sensing device.
Researchers at MIT developed a battery-free sensor that can harvest energy from its environment, allowing for long-term data collection in remote settings. The sensor uses a network of integrated circuits and transistors to store and convert energy efficiently, eliminating the need for batteries.
Artificial leaf-shaped generators, called 'power plants', capture kinetic energy from wind and convert it into electricity. They also collect energy from falling raindrops, producing high voltage but short-lived power output.
A new Northwestern University-led fuel cell harvests energy from microbes in soil to power underground sensors, potentially offering a sustainable alternative to batteries. The technology outlasts similar technologies by 120% and can operate in both wet and dry conditions.
Researchers have developed a molecular energy harvesting device that can capture the natural motion of molecules in a liquid to generate a stable electric current. The device uses piezoelectric material and can be scaled to full-size generators, offering a game-changing clean energy source.
Researchers from Korea Maritime and Ocean University developed a new framework for solving the energy efficiency problem in IIoTs. The proposed SWIPT-NOMA-DAS system is five times more energy efficient than existing systems, with significant improvements in performance and battery life extension.
A new study proves that thermal fluctuations of freestanding graphene can produce useful work by charging storage capacitors. The system satisfies both the first and second laws of thermodynamics throughout the charging process.
A new design for bridge array generators reduces unintended coupling capacitance between connected panels, allowing for higher peak power output of up to 200 watts per square meter. This breakthrough enables large-area raindrop energy harvesting with improved performance and reduced power loss.