Articles tagged with Energy Harvesting
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.
A new paper-based device harnesses mechanical energy from body movements to charge small electronics, offering an untethered alternative to traditional batteries. The lightweight, rhombic design is capable of charging devices to 1 volt in just a few minutes.
A new concept harnesses low-frequency mechanical energy to generate electricity, improving performance at lower frequencies than existing devices. The device, called an ionic diode, operates at one-tenth Hertz and has a higher peak power density compared to piezoelectric generators.
A UCF scientist has developed filaments that can harness and store sunlight, weaving them into textiles for a breakthrough in wearable technology. The innovation could revolutionize military and civilian applications, including powering smartphones and electric cars.
University of Wisconsin-Madison engineers create a cost-effective method to harness footstep energy using wood pulp cellulose nanofibers. The technology has the potential to rival solar power and provide renewable energy even on cloudy days.
Researchers at Australian National University have modeled energy consumption by wireless sensors and explored the use of ambient radio frequency sources for powering devices. The breakthrough aims to replace batteries with long-lasting monitoring devices in industries such as health, agriculture, and infrastructure.
Researchers at University of Wisconsin-Madison developed an energy-harvesting technology that captures human motion to power mobile devices. The 'bubbler' method generates high power densities, enabling smaller and lighter energy-harvesting devices that can be integrated into shoes.
Researchers at INSA de Lyon discovered a way to improve electrostrictive polymer energy harvesting by introducing plasticizers, increasing efficiency and sensitivity. This breakthrough enables the development of piezoelectric active sensors for force measurement.
Griffith University researchers have discovered a thousand-fold fluorescence enhancement in an all-polymer thin film due to a novel multi-layer Colloidal Photonic Crystal (CPhC) structure. This breakthrough has significant implications for ultra-sensitive sensing, energy efficiency and lighting devices.
Scientists have developed a biodegradable nanogenerator made with DNA that can capture and convert everyday motion into electrical power. The flexible device has been successfully tested, lighting up multiple LEDs with gentle tapping, and offers a promising solution for reducing e-waste and increasing portable electronics' battery life.
A team led by Shree K. Nayar has created a fully self-powered video camera that can produce an image each second indefinitely. The camera uses a pixel that measures incident light and converts it into electric power, eliminating the need for a battery.
A team of researchers from the University of Waterloo has developed a novel design for electromagnetic energy harvesting based on the full absorption concept, which enables the collection of essentially all electromagnetic energy that falls onto a surface. This technology has vast applications in space solar power and wireless power tr...
A KAIST research team has developed a hyper-stretchable elastic-composite energy harvester called a nanogenerator. The device can harvest mechanical energy to produce high power output with large elasticity and excellent durability.
Researchers have developed a novel plastic that can produce electricity when pulled or pressed, opening up new possibilities for green energy harvesting. The material, called PVDF, has been enhanced with carbon nanostructures to increase its piezoelectric performance, allowing it to contract and relax in response to an electric current.
Researchers at VTT Technical Research Centre of Finland have demonstrated a novel method for converting mechanical vibrations into electrical energy. This technique utilizes the charging phenomenon between bodies with different work functions, generating power that can be harnessed using external circuits or semiconductors. The technol...
Researchers have created a smart material-based chin strap that generates electricity from chewing, eating and talking, with potential to power hearing aids, cochlear implants and other small electronic devices. The device harnesses piezoelectric fiber composites to convert mechanical stress into electric charge.
The new pacemaker eliminates the need for battery replacement and leads, tackling two major disadvantages of traditional pacemakers. Researchers successfully tested the system in domestic pig experiments, allowing for batteryless overdrive-pacing at 130 beats per minute.
A research team from KAIST has developed a self-powered artificial cardiac pacemaker that operates semi-permanently using flexible piezoelectric nanogenerators. This technology prolongs the lifetime of pacemaker batteries, reducing the need for frequent replacements and minimizing surgical risks.
A KAIST research team has developed a flexible piezoelectric energy harvesting device called nanogenerator using biotemplated design. The device converts mechanical energy into electrical energy and can be driven by simple finger movements.
Kansas State University researchers are developing wearable medical sensors to monitor astronauts' vital data, such as breathing rate or muscle activity. The team is also creating a specialized wireless network for the biosensors to communicate with each other and a space station.
Scientists at Royal Holloway University have discovered a way to suppress thermal conductivity in sodium cobaltate, enabling waste energy harvesting. This breakthrough could lead to more efficient thermoelectric materials for reducing carbon emissions.
Researchers have developed hand-held instruments powered by scavenged energy to analyze water quality and bridge safety in the field. The devices use sophisticated photonics systems to generate spectral signatures for identification, with potential applications including wearable biomedical monitors and tracking devices.
A new experimental set-up developed by Dr Alexandre Bounouh's team at LNE in France accurately measures mechanical values and properties of MEMS devices through electrical measurement. The technique uses a current with varying frequency to analyze the harmonic content of the output voltage, determining mechanical characteristics such a...
Researchers have demonstrated that chaotic systems can store more light than ordered ones in optical cavities, with applications for quantum optics and solar cells. The study found a six-fold increase in energy storage in chaotic cavities, outperforming classical counterparts.
Researchers at MIT have created a new material that can generate electricity by drawing on water vapor, which could power micro- and nanoelectronic devices. The material changes shape after absorbing evaporated water, allowing it to repeatedly curl up and down.
Researchers developed an energy-harvesting device that uses piezoelectricity to convert heartbeat-induced vibrations into electricity. The device can generate enough power to continuously operate a pacemaker without the need for battery replacements.
Researchers have created a novel energy harvester that can power body-monitoring devices by walking, offering a potential solution to the heavy battery burden on soldiers. The device, designed to fit onto the outside of the knee joint, generates electricity through vibrations caused by plectra plucking energy-generating arms.
A new technology harnesses power from a single droplet sliding along an electret film, producing electricity when it reaches maximum velocity. The device has potential for low-power portable devices and human body motion harvesting, with a prototype demonstrating peak output power of 0.18 microwatts.
Researchers develop data logger to analyze and harness energy from vibrations, enabling wearable devices, IoT systems, and industrial applications. The technology replaces traditional battery-powered devices with sustainable energy harvesting.
A team of scientists at CU Denver has developed a novel energy system that increases the amount of energy harvested from microbial fuel cells by more than 70 times. This breakthrough improves energy efficiency and enables active extractions of electrons from bacteria.
Researchers have developed nanocrystal-coated glass fibers that can generate electricity when exposed to heat, potentially recovering 10% of the energy wasted in US industries. The technology also enables solid-state cooling without compressors or refrigerants, making it suitable for use in garments and industrial applications.
A new online resource, Energy Harvesting Open Access Data Repository, provides detailed data on energy availability and characteristics for researchers worldwide. The repository aims to standardize the evaluation of energy-harvesting devices and systems by offering a common dataset.
Researchers at the University of Michigan have designed a device that converts heartbeat vibrations into electricity to power pacemakers and defibrillators. The new energy harvester could save patients from repeated surgeries by reducing or eliminating the need for battery replacements.
Researchers at the National Physical Laboratory have developed a new model for piezoelectric energy harvesters that can convert up to 25% more energy from unwanted mechanical vibrations. The new design covers only two-thirds of the cantilever's length, reducing internal power loss and increasing overall efficiency.
Researchers at Oregon State University have developed a low-cost material that can achieve negative refraction of light and other radiation. The discovery has significant implications for various applications, including super lenses, energy harvesting, and stealth coatings.
The Duke team has created a nonlinear approach to energy harvesting that can capture more frequencies from ambient vibrations, making it ideal for practical uses in the real world. This could lead to the development of devices that power implants, sensors, and even larger electrical systems.
A team of aerospace engineers developed a prototype device that harnesses chest cavity vibrations to generate electricity for pacemakers, delivering eight times the required energy. The technology has potential as a biocompatible alternative to competing methods.
Researchers have integrated a highly efficient piezoelectric material into a silicon microelectromechanical system, enabling significant advances in sensing, imaging, and energy harvesting. The new material, PMN-PT, delivers two to four times more movement with stronger force than rival materials, while using only 3 volts.
Researchers propose molecular circuitry design inspired by natural light-harvesting systems to capture and utilize sunlight efficiently. Natural photosynthesis provides a model for efficient energy storage and transfer, enabling the development of sophisticated energy grids.
Researchers at MIT have designed a tiny energy harvester that can generate 100 times the power of similar devices, making it a potential solution to the power constraint in wireless sensors. The device uses a single layer of PZT and responds to a wide range of low-frequency vibrations.
A new energy-harvesting technology, reverse electrowetting, converts human motion into electrical power to power mobile electronic devices. This technology could enable footwear-embedded energy harvesters that capture energy produced by humans during walking and convert it into up to 20 watts of electrical power.
By combining spintronics and straintronics, researchers created an ultra-low-power integrated circuit that harnesses ambient energy for computation. The proposed design uses multiferroic composite structures to achieve significant energy savings, potentially powering implantable medical devices and buoy-mounted computers.
Researchers have developed a low-cost, soft generator that can convert movement into battery power using dielectric elastomer technology. This innovation has the potential to create light, flexible, and silent energy harvesters with excellent mechanical properties.
Researchers confirmed that citric acid reacts with sunlight to harvest energy and form purple-colored nanoparticles, a potential green energy source.
The device uses piezoelectric material and carbon nanotube films to harness light and thermal energy, allowing small electronic devices to operate autonomously. The technology has the potential to impact wireless sensory networks and enable perpetual micro/nano devices.
Scientists at UW-Madison have designed a method to harness small amounts of wasted energy to produce usable hydrogen fuel. The process uses the piezoelectric effect to split water molecules into hydrogen and oxygen, achieving an impressive 18% efficiency.
Scientists have developed flexible, biocompatible rubber films that can harvest energy from body movements, such as breathing and walking. The material combines piezoelectric lead zirconate titanate with silicone rubber to create a super-thin film that can convert mechanical energy into electricity.
Researchers at Duke University created a non-linear device that can convert a range of vibrations into electricity, improving efficiency over traditional linear devices. This technology has the potential to power small electronic devices, such as pacemakers and cardiac defibrillators, and even sensors in ocean buoys and spacecraft.
Engineers at the University of Leeds are developing a system to harness kinetic energy from soldiers' marches, capturing up to 15% of their foot-power to reduce pack weight. The project also aims to adapt radio equipment to run on low power budgets, enhancing soldier mobility and reducing fatigue.
The Air Force Office of Scientific Research is working on airborne solar cells using flexible films and transparent conductive electrodes. These cells have shown promise in powering small aircraft, and the team hopes to develop large, flexible DSSCs with higher energy conversion efficiency.
Researchers have developed a microgenerator that harnesses the heart's surplus energy to produce electricity for pacemakers and defibrillators. The innovative system, called SIMM, has shown promising results in increasing energy production with each heartbeat, potentially leading to longer-lasting devices.
Researchers identified pigment-binding protein CP29 as a valve regulating excess solar energy during photosynthesis. The study suggests that ambient pH levels can control the dimmer switch's opening and closing, with implications for designing artificial photosynthesis systems.
Researchers developed a new circuit that harnesses vibrations to generate up to 50 milliwatts of power, surpassing the output of simple energy harvesting circuits. The adaptive piezoelectric energy harvesting circuit can be used in various applications, including wearable devices, sensor networks, and smart home security systems.