Articles tagged with Batteries
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.
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.
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.
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 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.
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.
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.
Researchers at KTH Royal Institute of Technology have developed a method to create an elastic, foam-like battery material from nanocellulose broken down from tree fibres. This material can withstand shock and stress, enabling the storage of significantly more power in less space than conventional batteries.
A team of engineers at the University of California, San Diego, has developed a smart fabric that can regulate body temperature using adaptive thermoelectric technology. The smart fabric aims to cut energy use in buildings and homes by at least 15%, reducing heating and air conditioning bills.
The new material has exceptional energy-storage capacity, enabling unprecedented performance in lithium-sulfur batteries and supercapacitors. Designer carbon can be fine-tuned for various applications by adjusting the type of polymers and organic linkers used during fabrication.
Researchers at the University of Washington have made the most precise measurements yet of atom-surface interactions crucial for improving lithium batteries and air filters. By studying gas atoms' behavior on a carbon nanotube surface, they found a measurable change in electrical resistance occurs when an atom sticks to the surface.
Researchers at the University of Waterloo have discovered a key mediation pathway that explains why sodium-oxygen batteries are more energy efficient compared to their lithium-oxygen counterparts. The discovery could pave the way for developing highly efficient and affordable energy storage solutions.
Researchers created high-performance 3D lithium-ion microbatteries using 3D holographic lithography and 2D photolithography. The battery has exceptional performance, scalability, and can be integrated with microelectronic devices.
Researchers at Chalmers University of Technology have developed a new method to calculate the cost-efficiency of plug-in hybrids, significantly reducing calculation time. The convex optimisation algorithm allows for rapid feedback and consideration of various parameters affecting the overall cost.
Scientists at the University of Illinois Chicago have made a significant breakthrough in battery technology by replacing lithium ions with magnesium ions, which can carry twice the positive charge. This development could lead to the creation of high-voltage, high-energy batteries that can outperform existing lithium-ion batteries.
Researchers at MIT Media Lab create a miniature wireless track pad using capacitive sensing, allowing users to control devices with their thumbs. The technology has potential applications in various scenarios, including cooking, texting, and subtle communication.
Researchers at the University of Washington are using an investigational Medtronic device to develop a new deep brain stimulation system for treating essential tremor. The system aims to increase battery life, reduce side effects, and allow patients to adjust their stimulation voluntarily.
Researchers developed a material that acts as a superhighway for ions, making batteries more powerful and changing how gaseous fuel is turned into liquid fuel. The material also helps create membrane systems that purify gas mixtures, potentially replacing steam in fuel conversion processes.
A team of scientists created a microscope that can examine a full working battery in action, revealing how recharging leads to microscopic debris and cracks. The study aims to design cheaper and more powerful rechargeable batteries using metals like magnesium or aluminum.
Researchers at Princeton University found that the common battery bounce test is not an effective way to check a battery's charge. Instead, they discovered that the bouncing increases due to the formation of tiny bridges within the zinc material, decreasing mechanical damping and causing the battery to bounce more.