Articles tagged with Energy Harvesting
Researchers at RMIT University have developed a wave energy converter that doubles the power harvested from ocean waves, overcoming technical challenges and unlocking vast untapped potential. The dual-turbine design is cost-effective and requires no special syncing technology.
Seoul National University researchers have created a new record-breaking thermoelectric material using tin and selenium elements, overcoming previous limitations with high performance and toxicity concerns. The material achieves a thermoelectric figure of merit greater than 3.1 and power generation efficiency exceeding 20% in bulk form.
Researchers have developed a new, efficient on-body energy harvester that produces 300 millijoules of energy per square centimeter without mechanical input. The device is powered by lactate in sweat and can be worn on the finger, making it suitable for self-sustainable wearable electronics.
Researchers at the University of California San Diego have developed a new wearable device that can generate electricity from human sweat, even when the wearer is asleep or sitting still. The device, which requires no physical input from the wearer, collects sweat from the fingertips and converts it into electrical energy.
Researchers at NUS successfully demonstrated a system that wirelessly powers wearables by harnessing energy from the environment and transmitting it through the human body. The technology can power up to 10 wearable devices for over 10 hours, paving the way for battery-less wearables.
Researchers at AMOLF discovered that introducing slow non-linearity can increase the efficiency of mechanical oscillators harvesting energy from noise. This phenomenon, known as stochastic resonance, becomes robust to variations in signal frequency when systems have memory.
Researchers at Tohoku University and NUS developed an array of electrically connected spintronic devices that can harvest a 2.4 GHz wireless signal to power small electronic devices and sensors. The technology overcomes the challenge of synchronizing multiple magnetic tunnel junctions, enabling efficient energy harvesting.
Researchers from NUS and TU have developed a method to harness WiFi signals using spin-torque oscillators, converting them into energy to power small electronics. The device successfully harvested energy from WiFi-band signals to light up an LED wirelessly without using any battery.
Researchers at Osaka University and JOANNEUM RESEARCH developed ultrathin self-powered e-health patches that can monitor a user's pulse and blood pressure. The patches use embedded piezoelectric nanogenerators to harness biomechanical energy, enabling wireless health monitoring without the need for wires or batteries.
Georgia Tech inventors create a flexible Rotman lens-based rectenna system capable of millimeter-wave harvesting in the 28-GHz band, enabling large antenna operation with wide angle coverage. The technology achieved a 21-fold increase in harvested power compared to a referenced counterpart.
Researchers have developed a way to harvest energy from radio waves to power wearable devices, offering a sustainable and continuous energy source. The system consists of stretchable metal antennas that convert ambient radio waves into electricity, which can be used to power health-monitoring sensors.
Researchers at CUHK have developed a water-tube-based triboelectric nanogenerator (WT-TENG) for harnessing irregular and low-frequency environmental energy, such as ocean waves. The device generates high output volumetric charge density, reaching 9 mC/m3, and can be easily combined to create larger units for increased power generation.
A wearable microgrid developed by UC San Diego engineers powers small electronics using sweat-powered biofuel cells, motion-powered triboelectric generators, and energy-storing supercapacitors. The system can power devices quickly and continuously, lasting three times longer than traditional triboelectric generators alone.
Plastic solar cells have been developed to harness both energy and transmit high-speed data signals using MIMO visible light communications. The cells overcome the limitations of large detector areas and electrical bandwidths by using an array of OPV cells as a receiver.
A new piezoelectric material developed by Penn State researchers remained effective at elevated temperatures, allowing for the creation of self-powering sensors and energy harvesters. The material performed well beyond 482 F (250 C), enabling potential applications in aerospace, automotive, and wearable devices.
Researchers studied the effect of 2D MoS2 layers on thermoelectric power in YIG/Pt heterostructures. They found that using a holey MoS2 multilayer increased thermoelectric power by 60%. The study revealed two quantum phenomena, the inverse spin Hall effect and the inverse Rashba-Edelstein effect, responsible for this increase.
A new study suggests that piezoelectric tiles could generate significant power, especially in crowded areas like Delhi and Mumbai. Researchers found that over 40% of respondents walked for more than three hours a day and were willing to produce their own electricity using their feet.
A novel film developed by NUS researchers can evaporate sweat six times faster and hold 15 times more moisture than conventional materials. This breakthrough technology can power small wearable devices like watches and fitness trackers.
Researchers at Penn State have developed a new system that can harvest energy from human breathing and motion to power wearable health-monitoring devices. The system uses stretchable micro-supercapacitors with an island-bridge design, allowing it to stretch up to 100% without losing its functionality.
Researchers discovered that inserting potassium atoms into amorphous silica creates a negative charge by forming a SiO5 structure, which accumulates electrons. This design guidance improves the reliability and longevity of vibrational energy harvesters.
Researchers at Rensselaer Polytechnic Institute developed a predictive model for an energy harvesting device that can convert mechanical vibrations into electrical energy. The model helps optimize the device to generate more power, paving the way for its potential use in wireless sensors and actuators.
Scientists at Flinders University have created a new type of nanogenerator that can capture power from environmental vibrations, enabling the development of wireless charging systems and implantable energy harvesting devices. The technology has the potential to revolutionize the way we generate and use energy.
Researchers have developed a method to spray extremely thin wires made from a plant-based material, methylcellulose, onto 3D objects. This innovation could improve the effectiveness of N95 mask filters and be used in energy harvesting devices, with potential applications in organ creation.
A team of researchers, led by Jingtong Hu from the University of Pittsburgh, aims to apply artificial intelligence to remote sensors deployed in hard-to-reach areas. By leveraging energy-harvesting technology, they plan to save power on sensor devices and increase their lifespan.
Researchers at KIST developed an energy harvester that can harness electric power from diverse frequencies through an automatic resonance tuning mechanism, significantly expanding the frequency range. This innovation enables a standalone power source for IoT devices and small electronics.
A new wearable piezoelectric harvester using hot pressing and tape casting fabrication process has record high interfacial adhesion strength, enabling durable wearable devices. The study uses a surface and interfacial cutting analysis system to measure adhesion strength.
Scientists have developed peptide-based nanotubes that can be used to create efficient energy harvesting systems. By controlling the alignment of the tubes and incorporating graphene oxide, they improved conductivity and increased current output.
The NUS team created a low-cost, easy-to-fabricate shadow-effect energy generator (SEG) that converts illumination contrast from partial shadows into electricity. The SEG is twice as efficient as commercial silicon solar cells under indoor conditions and can power devices like digital watches.
Researchers have developed a metal-air scavenger that provides power by breaking chemical bonds in metal surfaces, outperforming batteries and harvesters. The technology has 10 times more power density than the best energy harvesters and 13 times more energy density than lithium-ion batteries.
Researchers have created a device capable of converting low-level magnetic fields into usable electricity, with 400% higher power output than existing technology. This technology has significant implications for designing self-powered wireless sensor networks in smart buildings, potentially leading to substantial energy savings.
Researchers at KAUST are developing a system that can transmit both light and energy to underwater devices, enhancing sensing and communication in the ocean. This technology has potential applications in climate change research, seismic activity detection, and underwater search and rescue operations.
A device that generates over 5 volts of electricity directly from the movement of a liquid droplet has been developed by researchers at Nagoya University. The device, made of flexible thin films, uses molybdenum disulfide as an active material to harness energy from liquid motion.
A new technology has been developed to collect and convert static electricity into usable energy, which can be used to power devices such as sensors and calculators. The researchers successfully increased the amount of energy generated by a 'triboelectric nanogenerator' using a nanoimprinting process and poling technique, achieving a c...
Researchers at North Carolina State University have demonstrated a flexible device that harvests body heat energy to monitor health and power wearable technologies, surpassing previous flexible harvesters in efficiency. The device uses a novel elastomer material with high thermal conductivity to improve performance.
A new energy harvester captures biomechanical energy from walking and converts it to electricity, powering wearable electronics without increasing the wearer's burden. The device generates an average power of 1.6 mW, weighing only 307 grams.
Researchers have successfully stored and released mechanical waves without losing energy, paving the way for improved technology in structural integrity monitoring, energy harvesting, and quantum computing. This breakthrough has significant implications for efficient wave propagation and control.
Scientists have discovered that ionic thermal up-diffusion can significantly improve the efficiency of nanofluidic salinity gradient energy harvesting by promoting selectivity and suppressing ion concentration polarization. This innovative approach enables the creation of tunable ionic voltage sources, leading to enhanced power output.
Researchers developed an energy harvester attached to the wearer's knee that generates 1.6 microwatts of power while walking without increased effort. The device captures biomechanical energy through natural human motion, offering a potential solution for self-powered wearable devices.
Researchers develop a hybrid nanostructure combining biologically derived and inorganic materials to enhance light-harvesting efficiency. The nanohybrid, composed of quantum dots, a protein from cyanobacteria, and semiconducting nanocrystals, shows improved energy transfer and photocurrent production.
Researchers Thomas L. Marzetta and Elza Erkip received the 2019 Fred W. Ellersick Prize and Best Tutorial Paper Award, respectively, for their contributions to Massive MIMO and energy harvesting in wireless communications. Their work aims to elucidate fundamental possibilities rather than practical solutions within today's technology f...
A new device has been demonstrated that can generate a measurable amount of electricity by leveraging the temperature difference between Earth and space. The device, which uses an infrared photodiode pointed towards the sky, produced 64 nanowatts per square meter, a tiny but promising amount of power.
Researchers at Binghamton University are developing a new power source from human sweat, aiming to create self-powered electronic skins. The project uses metabolisms of sweat-eating bacteria to transform chemical energy into electrical power.
Scientists have developed a new triboelectric nanogenerator (TENG) called SLIPS-TENG, which can convert mechanical energy into electrical energy in harsh environments. The device uses a slippery lubricant-impregnated porous surface to address durability and biofilm coverage issues.
Researchers at the University of Warwick have devised an energy harvesting mechanism inspired by trembling aspen leaves that could power weather sensors in hostile environments. The technology has potential to extend the life of future Mars rovers by providing a backup energy supply.
Researchers developed smart knee implants with built-in sensors that track pressure and activity levels. These sensors provide doctors with real-time updates, enabling them to adjust treatment plans and prolong the lifespan of the implant.
Scientists developed a new MEMS energy harvester with separate chips, allowing for more flexibility in design. This enables the use of mechanical vibrations to power tiny devices, crucial for future IoT applications.
The Dartmouth College research team has developed battery-free eye-tracking glasses that track rapid eye movements for hands-free input, improving gaming and augmented reality experiences. The system achieves super high accuracy with low error and can be powered by energy harvested from indoor lighting.
Researchers have created designer materials that can be used in various photonic applications, outperforming individual metals like gold and silver. The materials exhibit tuned optical properties, enabling lighter load and enhanced power for Soldier devices.
Researchers at University of Surrey develop innovative Triboelectric Nanogenerators (TENGs) that capture energy from human movements, wind, and machine vibration. The study provides a step-by-step guide on constructing efficient energy harvesters, paving the way for a future with free and renewable energy.
Researchers at Penn State have developed a wearable device that harnesses energy from the swing of an arm while walking or jogging, producing enough power to run a personal health monitoring system. The device is more efficient than standard electromagnetic harvesters and can sustain high strains without cracking.
The University of Surrey has developed a new methodology for designing smart-wearables that utilizes triboelectric materials. This technology, known as Triboelectric Nanogenerators (TENGs), can harvest energy from movement through electrostatic induction.
Transparent solar cells can provide similar electricity-generation potential as rooftop solar while enhancing building efficiency, and may supply up to 40% of US energy demand
A multi-disciplinary team developed flexible sensors that can sense movement and ingestion in the stomach for at least two days. These devices can harvest energy from the gastrointestinal tract movement and potentially power novel ingestible electronic systems.
Researchers from Shahid Charmran University of Ahvaz in Iran have modeled new piezoelectric energy harvester (PEH) technology at the nano-scale level. Their study demonstrates how small-scale dimensions impact nonlinear vibrations and PEH voltage harvesting, revealing significant size effects on output.
Lancaster University engineers create smart road surfaces that harness and convert vehicle vibration into electrical energy, generating up to two Megawatts per kilometre. This technology could save taxpayers around £1,800 to £3,600 per day in street lighting costs.
Gut microbes produce proteins that regulate NFIL3's circadian cycling, controlling fat absorption and export. This interaction may shed light on why disrupted clocks increase risk for obesity and diabetes.
Researchers have developed a twistron harvester that harnesses energy from ocean waves, achieving a voltage of 46 mV and average output power of 1.79 mW. The device also acts as a motion sensor, demonstrating its potential for self-powered devices and natural energy harvesting.
Researchers have developed high-tech yarns that can generate electricity when stretched or twisted, opening up new possibilities for self-powered wearable devices and energy harvesting from ocean waves. The twistron yarns, constructed from carbon nanotubes, can convert mechanical energy into electrical power.
A Vanderbilt University team developed an ultrathin energy harvesting system that generates electricity from human motion, offering a potential solution for wearable devices and smart clothing. The device operates at low frequencies, making it suitable for slow movements like sitting or standing.
A team of researchers from UNIST and Korea University has developed a self-sustaining sensor platform to monitor water motion dynamics, frequency, and amplitude. The platform harnesses energy from water motion to perform multiple functions simultaneously, enabling continuous monitoring without external power source.