Articles tagged with Batteries
Researchers created fibers that can capture and release solar energy, forming a flexible textile for powering small electronics like tablets and phones. The new materials were woven into a 'smart garment' that can be cut and tailored to store power from sunlight.
Researchers at HZDR propose a new mechanism linking planetary tidal effects to the Sun's dynamo, which could drive the 11-year solar cycle. The theory suggests that small forces from Venus, Earth, and Jupiter can initiate oscillations in the alpha effect, leading to polarity reversals.
A new study developed a mixed metal catalyst that enables both charge and discharge reactions in lithium-air batteries, overcoming key barriers to their development. This breakthrough offers opportunities for future research and potential applications in sustainable energy storage.
Chemists have created a new technique to yield highly detailed, three-dimensional images of battery interiors. This approach uses magnetic resonance imaging (MRI) to monitor the condition of batteries in real time, potentially leading to more efficient and safer power sources.
Berkeley Lab scientists create direct method to study electrochemical double layer using 'tender' X-rays, revealing changes in electric potential and charge properties. This breakthrough advances materials design and development of improved electrochemical systems.
Researchers at UMass Amherst have developed a new radio technology called Braidio that allows small mobile devices to offload energy consumption to larger devices, potentially extending battery life hundreds of times. This technology enables proportional sharing of power between devices, reducing the size and weight of wearable devices.
Researchers at MIT have discovered a new method for producing metal antimony using electricity, which could lead to more efficient and environmentally friendly metal production systems. The process uses electrolysis to separate the metal from a compound, reducing pollution and energy costs.
A Northwestern University team has developed a nanomaterial that can store large amounts of electrical energy like a battery and charge rapidly like a supercapacitor, promising to improve electric car efficiency. The material's stability allows for 10,000 charge/discharge cycles, making it suitable for commercial applications.
Researchers at Carnegie Mellon University have developed non-toxic, edible batteries using melanin pigments that can power low-power, repeat applications like drug-delivery devices. The batteries can be used to diagnose and treat diseases with minimal toxicity.
Dr. Jaephil Cho, a top researcher in secondary batteries, has been selected into the list of 'Most Cited Researchers' in Materials Science and Engineering, with eight Korean researchers and five institutions including UNIST making the cut. His research focuses on high-energy-density cathode and anode materials.
The Battery500 consortium is a five-year, $50M project led by PNNL to improve upon today's electric vehicle batteries. The goal is to develop lithium-metal batteries with almost triple the specific energy of current EV batteries, resulting in smaller, lighter and less expensive batteries.
Researchers at Toyohashi University of Technology have developed a new garnet-type fast ionic conductor that can be used in all-solid-state lithium batteries. The material exhibits high lithium-ion conductivity and chemical stability, making it suitable for large-scale power sources.
Researchers at Harvard have discovered a whole new class of high-performing organic molecules that can store electricity safely and efficiently in large batteries. These molecules are inspired by vitamin B2 and offer improved stability and solubility compared to previous discoveries.
The ECS Toyota Young Investigator Fellowship has selected three recipients to pursue innovative research in green energy technology. The fellows will receive a minimum of $50,000 each and a one-year complimentary ECS membership.
Borophene exhibits an ultrahigh sodium diffusivity of over a thousand times higher than conventional materials. This leads to a significant improvement in the rate capability of sodium-based batteries. Additionally, borophene maintains good electronic conductivity and stable cyclability during charge and discharge.
Researchers at Stanford University have developed a new method for producing clean hydrogen using photovoltaic water splitting, which can be used to power cars and store excess energy in the grid. The team also designed a novel rechargeable zinc battery with improved stability, enabling grid-scale energy storage.
Researchers developed GreenWeb, a new open-source framework that enables web developers to control energy consumption on mobile devices. The tool reports energy savings of 30-66% over Android's default mode, extending battery life by 20-40%.
A new study by MIT researchers found that certain energy storage systems, such as pumped hydroelectric storage, can add significant value to solar and wind installations in various locations. The study demonstrated that despite regional variations in prices and demand fluctuations, the optimal storage technology is similar across locat...
The Materials Project has released a vast dataset of material properties, including 1,500 compounds and 21,000 organic molecules, to accelerate battery research. The data enables computationally driven design and discovery of new materials with improved performance and energy density.
Engineers at Binghamton University have developed a disposable microbial fuel cell powered by bacteria available in dirty water, which can power biosensors for up to 20 minutes. The new design boasts increased power density and voltage compared to previous origami batteries, offering potential for use in resource-limited regions.
Scientists have developed a new nanoscale probe to study electrochemical properties, which could lead to significant improvements in battery and fuel cell performance. The device can measure local variations in material properties, allowing researchers to better understand how electrochemical systems work.
Researchers at MIT and partners developed a tiny origami robot that can unfold from a swallowed capsule and remove stuck objects or patch wounds. The robot uses external magnetic fields to navigate and is made of biocompatible materials, enabling potential medical applications.
Researchers at Disney Research and Carnegie Mellon University have developed a framework called RapID that interprets RFID signals by weighing possibilities, reducing lag times from two seconds to less than 200 milliseconds. This enables the use of low-cost RFID tags in interactive objects, such as games, toys, and physical interfaces.
A €2.4 million project aims to make embedded software safe, customizable, and open source by developing new tools and making existing ones transparent. The project, led by Holger Hermanns at Saarland University, focuses on power management software for mobile devices like smartphones and e-bikes.
The new ion soft-landing technique resulted in electrodes that could store a third more energy and had twice the lifespan compared to conventional methods. The team also found that the POM hybrid electrodes used the active material extremely efficiently, with the lowest amount of POM required to reach their highest capacity.
Scientists at NIST have made significant advances in creating safe and efficient solid-state rechargeable batteries. By modifying the chemical makeup of promising compounds, they increased their current-carrying capacity and enabled them to operate within a wider temperature range.
Researchers at Michigan State University created a lighter, cheaper moth trap using LED lights and everyday materials. The new trap is effective but less abundant in insect capture compared to traditional mercury vapor black light traps.
Researchers at Southwest Jiaotong University developed an improved algorithm to estimate lithium ion phosphate battery state of charge by separately measuring charging and discharging states. This allows for more accurate estimation amidst initial inaccuracies and varying dynamic characteristics among batteries in series.
Researchers from Brown University found that repeatedly crumpling sheets of graphene can improve its water-repelling properties and electrochemical behavior. The process creates complex architectures with interesting patterns, including superhydrophobic surfaces and enhanced electrodes for batteries and fuel cells.
Scientists have developed a method to transform CO2 from smokestack emissions into high-value materials for lithium and sodium batteries. The process produces carbon nanotubes with stable performance, offering a potential solution for reducing environmental impact of current power plants.
Scientists at MSU have created a new cathode material for Li-ion batteries that can enhance charge rates drastically. The material demonstrated high charge/discharge rates while retaining over 75% of initial capacity, making it a promising contender for commercialized high-power cathode materials.
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 University of California, Riverside developed an energy management system that improves plug-in hybrid efficiency by 12 percent. The system uses machine learning and real-time data to optimize energy consumption and reduce greenhouse gas emissions.
Two senior doctors argue that pacemaker battery life must be improved to reduce replacement needs and associated risks. Over half of patients will need new batteries, exposing them to serious complications like infection.
University of Illinois engineers have developed a device that can desalinate seawater using electricity, potentially providing a more efficient and cost-effective alternative to traditional methods. The technology uses saltwater-filled batteries to draw out salt ions, leaving fresh water behind.
A new UT Dallas study suggests that most NFL arrests are not for violent crimes, but rather minor offenses. The majority of players involved in violent incidents have only one arrest during the studied period, highlighting a small fraction of repeat offenders.
Researchers at the University of Delaware have developed a low-cost nickel-based catalyst that can power fuel cells with unprecedented efficiency. This breakthrough could make hydrogen fuel cell cars truly affordable, potentially priced around $23,000 for a Toyota Mirai.
A team of scientists from the US Department of Energy's Brookhaven National Laboratory developed a hierarchical cathode material with two levels of complexity, protecting reactive materials from degradation. The structure allowed lithium ions to enter the material, enabling improved high-voltage cycling behavior.
Berkeley Lab researchers developed a novel glass-polymer hybrid electrolyte that is compliant and conductive at room temperature. The new material shows signs of being compatible with promising next-generation cathode candidates such as sulfur and high-voltage lithium nickel manganese cobalt oxide.
Researchers at Eindhoven University of Technology developed a tiny wireless temperature sensor that measures just 2 square millimeters and weighs 1.6 milligrams. The sensor operates beneath a layer of paint or concrete, consumes extremely low energy, and can be easily incorporated into buildings.
Researchers at TUM developed a new method to produce extremely thin and robust, yet highly porous semiconductor layers using nanostructured germanium. These layers can be custom tailored with organic polymers to create hybrid materials suitable for small solar cells or batteries.
A new study by Stanford researcher Mark Z. Jacobson suggests storing solar energy underground to meet electricity demand on cloudy days. The proposed system uses heat, cold, and electricity storage to provide a stable grid, with potential benefits including reduced air pollution and lower costs.
A large-scale study published in Frontiers in Psychology found the NeuroCognitive Performance Test (NCPT) to be a reliable and valid measure of cognitive performance. The NCPT assesses various cognitive domains, including working memory, reasoning, and attention, with good test-retest reliability and sensitivity to age-related changes.
Researchers have developed a new lithium-air battery that utilizes unique materials to overcome common issues with efficiency and water tolerance. The battery's design features a lithium metal negative electrode, non-aqueous electrolyte, and positive electrode that work together to improve overall performance.
Researchers found that male mosquitoes are lured to traps emitting sounds similar to female wing-beats. The frequency used was around 484 Hz, capturing over 95% of males exposed to it. This method could enhance studies and mosquito control in developing countries.
Researchers at Jena University developed a simple, safe, and economical redox-flow battery based on organic polymers and water, which can be produced at lower cost than traditional systems. The new technology has shown high capacity and efficiency in initial tests.
The authors identified factors that can protect against range stress in battery electric vehicles, including hands-on experience and trust in the range estimation system. The study found that even mild encounters with range stress can reduce user satisfaction and acceptance.
Researchers from California Institute of Technology found that heat can shorten dendrites by up to 36% and possibly extend battery lifetimes. By analyzing the effect of temperature on individual lithium atoms, they discovered that increased temperatures trigger atomic motion, leading to the breakdown of dendrite structures.
Researchers at Uppsala University have developed an anti-aging treatment for smart windows by rejuvenating electrochromic layers, reducing their lifespan. The new method could also be applied to electric batteries, making them more profitable.
Harvard scientists have developed a rechargeable battery that can store electricity from renewable sources like solar and wind power. The new technology uses non-toxic, abundant elements dissolved in water solution, making it safer and cheaper than traditional batteries.
Researchers are exploring how minerals from a healthy diet can be used in bioelectronics to create ingestible devices that power electronic pills. The goal is to reduce the amount of expensive medications needed for each patient, making them more cost-effective.
A vision test that involves rapidly reading numbers can detect concussions in 86% of athletes. The King-Devick test was effective when combined with balance and cognition assessments.
Scientists have developed a network of energy-harvesting sensor nodes equipped with onboard cameras that can automatically determine each camera's pose and location. This capability enables large-scale sensor networks to operate without batteries or external power, making them ideal for the Internet of Things (IoT) applications such as...
Researchers at Washington State University have discovered a way to stretch metal films used in flexible electronics without breaking. By using indium, a fairly inexpensive metal, they were able to create a metal film that could be stretched to twice its original length.
Researchers at Ohio State University have developed the world's first aqueous solar flow battery, which achieves a 20% energy savings over traditional lithium-iodine batteries. The new design combines a solar cell and a battery into a single device using a water-based electrolyte and a solid sheet solar panel.
Scientists calculate that human activities have reduced the planet's biomass by almost half since 2,000 years ago, putting the world at risk of collapse. If left unchecked, deforestation and agriculture could deplete energy reserves, leading to devastating consequences for human survival.
Researchers at NREL have identified battery second-use strategies that can offset vehicle expenses while improving utility grid stability. Reusing Li-ion batteries can retain up to 70% of their initial capacity and provide a credit of $1,000 to car owners.
Scientists have developed a new technique to visualize the behavior of ions in supercapacitors, revealing that different processes occur at work in the two electrodes. The research uses nuclear magnetic resonance (NMR) spectroscopy and tiny weighing scales to measure changes in mass as ions interact with the surface.
Scientists have developed a novel battery that uses light to produce power, utilizing titanium nitride for the anode. The 'photo battery' demonstrated high stability and safety, discharging electric current within 30 seconds under normal indoor lighting.
A Binghamton University engineer has developed an origami battery made from paper that generates power from microbial respiration. The battery is cheap and biodegradable, and can be used to run a biosensor in remote areas with limited resources.