Articles tagged with Batteries
A new study found that foreign body ingestions among children under six increased by 91.5% between 1995 and 2015, with coins being the most common item ingested. The rate of ingestions per 10,000 children rose from 9.5 in 1995 to 18 in 2015.
Researchers at University of Illinois Chicago found that graphene coating can reduce lithium battery fires by preventing oxygen release from cathode decomposition. The coating showed significant reduction in oxygen release under high heat, maintaining battery performance even after rapid cycling.
A recent study at the University of Illinois examined the energy lifecycle of fuel/battery configurations to yield greatest reductions in carbon dioxide emissions. The most feasible configuration was a propulsion system with 50% electrical-power drivetrain, estimated to produce 49.6% less lifecycle CO2 emissions.
Researchers have developed special light harvesters that can convert ambient indoor lighting into usable energy, potentially powering wireless devices in homes and offices. The technology uses organic photovoltaics to optimize the use of artificial room lighting, which is abundant but often underutilized.
Researchers have found a way to improve LiCoO2 cathode performance in Li-ion batteries by decorating it with BaTiO3 nanodots. The team discovered that the BTO dots create a special interface for Li ions to circulate easily, leading to improved stability and discharge capacity.
Researchers at Penn State have developed a novel solid-electrolyte interphase (SEI) to improve the stability of lithium metal batteries, allowing for increased energy density and safety. The SEI is made from a reactive polymer composite that creates a stable bond between the lithium electrode and electrolyte.
A team of researchers has discovered a rare double helix structure in the high-strength polymer PBDT, which could enable the creation of lightweight aerospace materials. The polymer's supreme rigidity and low processing cost make it an attractive alternative to conventional fillers.
Researchers have developed a motion-powered, fireproof sensor that can track the movements of firefighters and others in high-risk environments. The sensor generates power through triboelectric charging and has been successfully tested at temperatures up to 300C.
A large-scale research initiative called Battery 2030+ aims to invent the batteries of the future, providing European industry with cutting-edge technologies. The project will focus on establishing an acceleration platform for discovering new battery materials using machine learning and artificial intelligence.
Researchers at Scripps Research Institute create a battery-like system to manufacture medicines, avoiding safety risks and increasing versatility. They use additives from lithium-ion battery manufacturing to conduct reductive electrochemistry safely and efficiently.
Scientists have designed a pacemaker that harnesses the energy of heartbeats to regulate heart rhythm. The device was successfully tested in pigs and shows promise for creating a self-powered cardiac pacemaker.
Rice University researchers have created a new method to detect and mitigate lithium dendrite growth, which can cause battery failure. A layer of red phosphorus acts as a signal to shut down charging when dendrites approach the separator.
Researchers used X-rays to study lithium ion transport in batteries, revealing how fast charging causes lithium plating and reduces battery performance. The study aims to improve fast-charging technologies for electric vehicles.
A team of engineers at Dartmouth College has developed a dime-sized invention that converts the kinetic energy of the heart into electricity, powering implantable devices like pacemakers and defibrillators. The new technology could potentially replace batteries with surgery, reducing complications and costs.
A team of researchers has found that diffusion may not be necessary to transport ionic charges inside a hydrated solid-state structure of a battery electrode. This discovery could lead to new design principles for electrodes and potentially improve the energy density and cycle life of high-power batteries.
Researchers develop flexible, inexpensive material to convert Wi-Fi signals into electricity. The new device can power large-area electronics, wearables, medical devices, and more with a maximum output efficiency of 40 percent.
Researchers have discovered a new class of polymer that can store and exchange electrons, leading to faster charging times for batteries. The organic radical polymers' unique structure allows rapid charge transfer during redox reactions.
Researchers created a damage-resistant rechargeable zinc battery with a cartilage-like solid electrolyte, extending flight time by 5 to 25 percent in drones. The batteries can withstand hard impacts and stabbing without losing voltage or starting a fire.
Researchers have developed a novel Li anode design featuring a solid electrolyte layer and housed framework to mitigate dendrite growth and volume expansion. The resulting batteries exhibit excellent capacity retention and stability, paving the way for next-generation rechargeable battery development. This innovative approach has signi...
A new, battery-free implantable device has been developed by University of Wisconsin-Madison engineers to aid in weight loss. The device generates gentle electric pulses that stimulate the vagus nerve, helping the brain feel full after only a few bites of food.
Engineers at the University of Washington have developed a sensing system that can ride on top of a bumblebee, allowing for long-term data collection without power constraints. The system uses a tiny rechargeable battery and a receiver to triangulate the bee's position, enabling precise location tracking.
Researchers at MIT's Picower Institute discovered a mechanism the brain employs to make returning to a familiar context lead to vivid memories. The study found that brief re-exposure to the initial context increases the electrical excitability of 'engram cells,' which encode memory through specific neural connections.
Researchers developed a method for creating a fluoride-ion electrochemical cell capable of operating at room temperature using a chemically stable liquid fluoride-conducting electrolyte. The new study presents a breakthrough in achieving low-temperature operating FIBs, with potential applications in high-energy-density batteries.
Researchers created a flight-performance simulator to test the performance of a hybrid-electric drivetrain on a Tecnam P2006T aircraft. The study found that a parallel hybrid architecture can lead to substantial improvements in fuel efficiency, particularly for short-range missions.
Scientists at Tokyo Institute of Technology found that crystallinity at the electrode-electrolyte interface reduces resistance, resulting in high-performance batteries. The research aims to improve Li-ion batteries for modern electronic devices and electric vehicles.
The Faraday Institution's £1.6m supercomputer will accelerate UK research on EV batteries by simulating fast-charging, low-temperature operation and thermal management. Researchers can now run simulations overnight, reducing the time to improve battery performance and lifetime.
Researchers developed a three-dimensional polymer sponge that promotes ion transfer while inhibiting dendritic growth in lithium metal batteries, potentially increasing cycle life and safety. The technology could enable more powerful and stable metal battery technologies for everyday use.
Researchers at NUS developed a low-cost 'battery-less' wake-up timer that significantly reduces power consumption of silicon chips for IoT sensor nodes. The innovation enables long-lasting IoT applications and paves the way for aggressive miniaturization of IoT devices.
Scientists have discovered a new strategy to enhance the conductivity of lithium titanium oxide (LTO) anode materials for Li-ion batteries. By applying high pressure, LTO can transform into an amorphous phase that displays better conductivity. The findings provide insight into the relationship between structure and conducting properties.
Researchers at UMass Amherst create a charge-storing system integrated into clothing using micro-supercapacitors and polymer films. The solid-state device stores high amounts of charge in a compact form, enabling powering of wearable biosensors.
The nickel-hydrogen battery boasts an energy density of approximately 140 Wh per kg and rechargeability over 1,500 cycles. With a potential cost of around $83 per kilowatt-hour, it could represent a low-cost option for long-term energy storage needs.
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 at Simon Fraser University are working to improve the efficiency of light electric vehicles by developing next-generation 'passive' cooling solutions for battery chargers. Graphite is being used to enhance thermal performance, eliminate parasitic cooling power, and decrease electromagnetic interference.
Research finds weekend crime sprees increase with hot temperatures, alcohol consumption, and holidays. Experts believe a predictive analytics approach can empower police by identifying key time patterns and locations.
A new AI tool called DiffProf helps developers identify and optimize energy-draining features in their apps, improving battery life. The tool analyzes 'call trees' of similar tasks to show why certain features consume more energy than others, providing actionable diagnosis and fixes for developers.
Researchers at the University of Washington have developed 3D printed devices that can track bidirectional motion and store data using a backscatter method. These devices can monitor how patients use prosthetics or insulin pens, providing valuable insights for assistive technology development.
Researchers at North Carolina State University have developed a new electric vehicle fast charger that is 10 times smaller and wastes 60% less power than existing systems. The technology, called medium voltage fast charger (MVFC), has an efficiency of at least 97.5%, reducing operating costs and increasing revenue for consumers.
Scientists have developed a solar flow battery that can store sunlight as chemical energy for later use. The device can be used to provide electricity in remote regions, making it an attractive solution for off-grid electrification.
A new type of battery developed by MIT researchers can convert carbon dioxide into a solid mineral carbonate as it discharges. This approach could potentially reduce the cost of carbon capture systems and make them more economically viable. The battery is made from lithium metal, carbon, and an electrolyte that incorporates captured CO2.
Researchers developed a new management system for lithium batteries in renewable energy facilities, improving their performance and lifetime. The system uses mathematical models to optimize battery usage, balancing the need for efficient energy storage with minimizing degradation.
Researchers have developed a novel technology to improve lithium metal battery performance by coating the anode with a lithium silicide layer. The new approach overcomes dendritic growth issues, leading to improved rate capability and cycle stability.
The Joint Center for Energy Storage Research (JCESR) has received the Secretary of Energy's Achievement Award for its significant achievements in developing high-performance, low-cost energy storage technologies. The award recognizes the contributions of 29 individuals across multiple JCESR institutions.
University at Buffalo scientists discovered that the chemical methylene blue, commonly found in textile mill wastewater, is good at tasks associated with energy storage. The compound can capture, store and release electrons, making it a viable material for liquid batteries.
Researchers have developed a way to increase operating temperature and use alternative materials to overcome thermodynamic barriers in lithium-oxygen batteries. The resulting cell achieves nearly 100% coulombic efficiency, a significant step towards commercial adoption.
Researchers at the University of Waterloo have developed a working lithium-oxygen battery with near 100% coulombic efficiency. By addressing fundamental issues in thermodynamics, they achieved four-electron conversion, doubling electron storage and increasing theoretical energy density.
Researchers have developed a new type of battery made from paper and fueled by bacteria, which could overcome challenges of limited resources and commercial batteries. The paper-based bio-battery has shown to be effective in powering small devices like LEDs and calculators, with potential for improvement through further research.
Researchers developed an app to reduce device brightness and extend battery life by 10-25%, eliminating excessive energy consumption and prolonging battery lifespan.
Scientists at KAUST developed a controlled method to create triple-layered hollow nanostructures with electrocatalytic activity, suitable for renewable fuel production and water desalination. The hybrid materials outperform single substances in terms of properties.
Researchers at Binghamton University have created a biodegradable, paper-based battery that is more efficient and easy to produce than previous designs. The hybrid paper battery uses a combination of paper and engineered polymers to give it biodegradable properties.
New research from Idaho National Laboratory found that cold temperatures significantly impact EV charging efficiency, leading to longer charging times. The study analyzed data from a fleet of electric vehicles in New York City, revealing a decrease in battery state of charge with lower temperatures.
Researchers at Columbia University have used Stimulated Raman Scattering microscopy to directly observe ion transport in electrolytes for the first time. They discovered a lithium deposition process with three stages: no depletion, partial depletion, and full depletion of lithium ions. The study also found a feedback mechanism between ...
The Centauro robot has been designed to assist rescue workers in disaster scenarios, with capabilities including robust locomotion, high strength manipulation, and harsh interactions. Its mobility skills have been validated through various tasks, such as manipulating heavy objects and breaking wood pieces.
Researchers developed a temperature-sensitive sol-gel transition electrolyte that inhibits zinc ion migration, shutting down the battery to prevent thermal runaway. After cooling, the electrolyte transitions back to its liquid state, restoring original electrochemical performance.
A new type of flow battery developed by Stanford researchers uses a liquid metal at room temperature to store renewable energy from wind or solar sources. The technology has the potential to deliver energy quickly and affordably, with possibilities for further improvement in terms of cost, efficiency, size, and safety.
Scientists identified nanoscale defects as the cause of voltage fade in Lithium-rich NMC cathode materials. By combining experimental and theoretical approaches, researchers showed that heat treating the materials eliminated most defects, restoring original voltage.
Researchers at University of Nottingham develop rechargeable battery using salt that lasts longer and holds more power. The new battery design has the potential for grid-scale renewable energy storage and could also store solar heat.
Researchers discovered that the mitochondria of gut-resident white blood cells have a different composition that reduces their energy production, keeping them in a controlled activated state. This knowledge can lead to new diagnostic markers and treatments for conditions like gut inflammations and infections.
Researchers at Virginia Commonwealth University have created a new approach to synthesize metal-based superatoms that can effectively move charges while maintaining structural stability. This innovation could lead to the development of more efficient batteries and better semiconductors, essential components of computerized devices.
Researchers at Georgia Institute of Technology found that sodium- and potassium-ion batteries can be more stable and have a longer life than previously thought. The study suggests that these batteries could be used in large-scale energy storage systems, such as smart grids, due to their potential for cost-effectiveness.
Researchers at MIT have developed a new chip design called Navion that can process camera images and inertial measurements in real-time, allowing for accurate navigation of miniature drones. The chip consumes just 24 milliwatts of power and is about the size of a LEGO minifigure's footprint.