Articles tagged with Batteries
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Researchers designed a polymer membrane with molecular cages that increase lithium ion flow by an order of magnitude, improving battery power and efficiency. The solvation cages selectively capture and transport lithium ions faster than their counter anions, enabling high-voltage battery cells to operate more efficiently.
Researchers at Skoltech have designed and synthesized new compounds that can serve as catholytes and anolytes for organic redox flow batteries, offering high cell voltage, solubility, and electrochemical properties. The materials have been tested for scalability and performance in large-scale energy storage applications.
Scientists from Tohoku University have developed a new fluorine-free calcium electrolyte that shows improved electrochemical performances. This breakthrough could lead to cost-effective and high-performance rechargeable calcium batteries as an alternative to lithium-ion batteries.
Researchers used X-ray microscopy to analyze lithium batteries and employed machine learning to speed up the learning curve about process that shortens battery life. Infrared microscopy also goes off-grid with new technique, enabling time-sensitive experiments and broadening biological spectromicroscopy scope.
The study provides direct visualization of SEI shell evolution during Li deposition/stripping, revealing anode degradation mechanisms. The work reveals the importance of in-situ characterization for understanding SEI properties and improving battery performance.
Researchers have developed a technology that enables robots to navigate and forage for energy sources in their environment, eliminating the need for batteries or computers. The system uses oxidation reactions with surrounding air to power the robot, allowing it to sense and respond to changes in chemical concentrations.
Researchers have discovered fossilized samples of bony armor from ancient fish species, revealing a complex network of cavities and channels in the bones. The findings suggest that early vertebrates had internal structures similar to those found in modern vertebrates, with bone cells capable of dissolving and restoring bone minerals.
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.
A UC Riverside study analyzed fourth-generation electronic cigarette pod atomizer design features, identifying toxic elements such as nickel, chromium, and iron. The findings suggest that these elements may accumulate in the environment and contribute to chemical pollution, highlighting the need for further research on e-cigarette safety.
Researchers found that without battery storage, homeowners only use 30-40% of their solar PV electricity, while the rest is exported to the grid. With a home battery, self-consumption doubles and grid reliance reduces by up to 84%. Innovative energy policies can make PV-batteries profitable, even in low-solar irradiation countries.
Researchers have developed smart buoys using seawater batteries to monitor various marine data, including salinity, pH, and water temperature. The buoys utilize a naturally-abundant sodium source in seawater to charge and discharge electricity, enabling scalable energy storage.
A recent study has unveiled a novel membrane-free CO2 battery that can produce hydrogen and electricity while sequestering carbon dioxide emissions. The new battery exhibits high faradaic efficiency of 92.0% and offers significant benefits for sustainable human life.
Researchers from Berkeley Lab analyze total cost of ownership of electric and diesel long-haul trucks, finding electric trucks have a 13% per mile lower total cost of ownership. The study also shows future reductions in battery costs could reduce the difference to 50% per mile by 2030.
Scientists have identified a statistical relationship between city growth and paved surfaces' impact on water cycles and climates. They also demonstrated a method to heal dendrites in solid-state batteries, and created high-performance thermoplastic composites using additive manufacturing and conventional compression molding.
A patented technology combines two subsystems of an AC-DC converter into one, creating a more compact battery charger while maintaining full functionality. This innovation supports the goal of developing sustainable and economically sound electrified transportation.
COSMIC, a multipurpose X-ray instrument at Berkeley Lab's Advanced Light Source, has made groundbreaking contributions in fields ranging from batteries to biominerals. It offers world-leading soft X-ray microscopy resolution below 10 nanometers and extreme chemical sensitivity.
Computing has a significant environmental impact due to hardware manufacturing and infrastructure. Researchers at Harvard are working to design more sustainable computing systems by reducing emissions from chip manufacturing and improving device efficiency. They also aim to incorporate environmental factors into computational design.
A new type of electrolyte weakly binds to lithium ions, enabling a battery to retain its capacity at -60 degrees Celsius. The researchers discovered that the binding strength between lithium and the electrolyte determines the battery's performance at low temperatures.
The article highlights the need for home battery storage to protect medically vulnerable households during power outages, which can be life-threatening. The researchers argue that clean, reliable emergency backup power is crucial for communities affected by climate change.
A new X-ray study has resolved how lithium-rich cathode materials store charge at high voltages, revealing that oxygen ions facilitate the process rather than metal redox. This breakthrough enables the design of better strategies to improve cycling and performance for these materials, paving the way for more efficient electric vehicles.
Scientists at IPC PAS designed a novel solution by accelerating ion transport in narrow pores to charge supercapacitors faster. They presented slit-like pores with sizes slightly larger than ions and achieved promising results through complex computer simulations and experiments.
Researchers at the University of Colorado Boulder developed a low-cost wearable device that turns the human body into a biological battery. The device generates electricity by converting body heat into thermoelectric energy, making it a potential power source for wearable electronics.
Researchers at Osaka University have fabricated Li-ion battery electrodes using Si swarf/graphite sheet composites, achieving high performance, reduced cost, and environmental friendliness. The Si/GS composite structure improves cyclability up to 901 cycles, making it a promising alternative for electric vehicles.
Researchers propose a new strategy to explore electrochemical process on electrode surfaces using operando surface science methods. They successfully visualize intercalation of super-dense multilayer anions into graphite electrode surface region, revealing a distinct electrochemical process in the surface region.
Researchers found that mortality in cage-free flocks decreases as managers gain experience and knowledge. Mortality rates are not inherently higher in cage-free systems, but rather decline with improved management and optimized genetics.
The grant aims to optimize security and energy efficiency for small IoT devices, leveraging cryptography, machine learning, and zero-trust principles.
Researchers at Aarhus University are developing a new type of battery that can be recharged in just six minutes and has a range of 350 kilometres. The goal is for the battery to have a lifespan of at least 20 years and be virtually maintenance-free.
Researchers at Uppsala University used computer simulations to study ions in molten salts and found that they can interact and move in unexpected ways. The study's findings suggest that lighter anions like fluoride and chloride can be attracted to both lithium ions and the positive anode, leading to slower movement towards the cathode.
Researchers developed a wireless, rechargeable soft brain implant that can be controlled wirelessly by a smartphone, allowing seamless chronic neuromodulation. The device uses micrometer-sized LEDs to manipulate target neurons in the deep brain, enabling real-time brain control and reducing the burden on patients for long-term use.
Researchers at the University of Michigan have made a significant breakthrough in electron transfer for grid-scale batteries, which could lead to more efficient and cost-effective energy storage. The study found that bridging plays a critical role in improving the reaction rate of flow batteries.
A research team at Toyohashi University of Technology and University of Calgary investigates the effect of post-annealing on a garnet-type Ta-substituted LLZO ceramic solid electrolyte degraded by Li metal penetration. The study reveals that annealed Ta-LLZO maintains high Li ion conductivity above 10^-4 S cm^-1 at room temperature, ma...
A team of Penn State engineers has developed a lithium iron phosphate battery that can charge in 10 minutes and reduce range anxiety in electric vehicles. The battery's ability to quickly heat up and cool down allows for rapid recharging without sacrificing performance.
A new study by Stanford researchers and others finds that a relatively affordable remediation process can almost entirely remove lead from contaminated soil, but challenges persist due to ongoing sources of exposure. The study's results raise troubling questions about how to effectively eliminate the poison from children's bodies.
Researchers at KIST have developed a breakthrough material design strategy to overcome the problem of high interfacial resistance between solid electrolytes and cathodes in all-solid-state batteries. The new approach improves charge transfer and stability by optimizing the crystal structure of the cathode material.
Researchers have realized a reversible superoxide-peroxide conversion in a K-based high-capacity rechargeable sealed battery device, boosting cathode capacity to 300 mAh/g and achieving high energy efficiency. This breakthrough overcomes gaseous O2-related intrinsic defects and phase changes between gaseous O2 and solid Li/Na/KxO.
Researchers from University of Warwick investigated high-rate cycling on Lithium Iron Phosphate Cylindrical Cells, discovering increased current capabilities of up to 4.4 times manufacturer's claims. Thermal fatigue was identified as the driving mechanism for jelly roll deformation, which can be mitigated with convection cooling.
The SABATLE project examines the safety risks of redox flow technologies for humans and the environment, and aims to identify risk factors and improve battery design using the Safe-and-Sustainable-by-Design concept. Researchers will also investigate the toxicological effects of these technologies.
A pilot study has created a comprehensive behavioral dataset to investigate individual differences in language skills. The dataset includes 112 participants who completed a battery of 33 tests, measuring linguistic experience, cognitive skills, and linguistic processing abilities.
Researchers developed a real-time analysis platform to evaluate the thermal stability of EV battery cathode materials using transmission electron microscopy. The study identified the thermal degradation mechanism and created a safety protocol for high-performance cathode materials with increased nickel content.
Researchers from ETRI and DGIST created a novel electrode structure composed of graphite active material and no solid electrolyte, increasing energy density by 150%. The new design enables higher active material content and improved performance.
A systematic review found financial payments from the drug industry to US physicians are associated with increased prescribing of the paying drug company's medication. The association was consistent across all studies, suggesting a causal link between industry gifts and physician prescribing practices.
Researchers at the University of Maryland have developed a new method for creating high-quality, high-performance solid-state electrolyte thin films. This 'printing and radiative heating' approach enables rapid production of dense and uniform films with superior ionic conductivity.
Researchers found that dry storage conditions at dew points of around -45°C significantly improve high-nickel battery performance. Exposing batteries to humidity leads to premature capacity fade and degradation. The study identifies three processes responsible for impurities, including surface carbonates and hydroxides.
Researchers at Columbia University discovered that adding potassium ions to conventional lithium battery electrolytes prevents lithium microstructure proliferation, ultimately limiting the growth of dendrites that can cause short-circuiting and fires. This breakthrough enables stable lithium metal batteries with improved performance.
The new Underwater Backscatter Localization (UBL) system uses piezoelectric materials to reflect modulated signals, providing positioning information at net-zero energy. In shallow water, the researchers employed frequency hopping and reduced bitrate to overcome reflection issues, enabling precise tracking of moving objects.
The new multi-drone imaging system coordinates multiple autonomous drones to produce detailed visual surveys of penguin colonies, reducing survey time from two days to two-and-a-half hours. The system uses a route planning algorithm that prioritizes efficient coverage and maintains a safe distance from the ground.
A nonflammable ionic liquid electrolyte has been developed for potassium batteries, allowing for the creation of safe and efficient batteries. The battery demonstrated high energy and power density, retaining around 89% of its original capacity after 820 cycles with a coulombic efficiency of 99.9%.
A new engine technology decreases NOx and soot levels by 92% and 88%, respectively, and CO2 emissions by 15%. The dual-fuel parallel hybrid combustion system is more efficient than purely electrical vehicles, with optimised battery use reducing fuel consumption by 13%.
Researchers at Linköping University have developed an organic redox flow battery with a water-based electrolyte, increasing the energy density. The battery uses conducting polymer PEDOT electrodes and quinone molecules, making it safe, cheap, and recyclable.
Researchers at Université de Genève develop non-flammable solid electrolyte that operates at room temperature, transporting sodium instead of lithium. The new battery technology has potential to store more energy and is being used to create a new generation of stable and powerful batteries.
Materials scientists developed a method to spray graphene ink onto flexible substrates at a specific angle and temperature, creating micro-supercapacitors with excellent performance. The new design stores up to 2 times more charge per square centimeter than previous devices, making it suitable for wearable electronic skin devices.
University of Washington researchers develop a 98mg sensor system that can be released from drones or insects and land safely without breaking, collecting data for almost three years. The system uses a magnetic pin to hold the sensor, which is then released using a wireless command, allowing for remote monitoring in hard-to-reach areas.
Researchers at American University have developed a new method to create highly active and stable oxygen reduction reaction catalysts from spinach, which outperforms commercial platinum catalysts. The spin-based catalysts have potential applications in hydrogen fuel cells and metal-air batteries.
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.
A machine learning-based strategy developed by Prof. LI Xianfeng's team can predict VFB stack performance and cost with high accuracy. The strategy improves efficiency, reduces research time, and provides guidance for VFB development.
Researchers at Friedrich Schiller University Jena have developed a new polymer electrolyte that improves the efficiency and heat-resistance of redox flow batteries. This breakthrough enables the use of renewable energy sources without significant losses or additional effort.
Researchers developed an air-insensitive biphenol derivative cathode with high potential and solubility, demonstrating stable cycling performance and high rate capabilities. The cathode's biphenol structure offers excellent oxidation resistance and four tertiary ammonium groups improve stability.
Researchers have fully identified the nature of oxidised oxygen in Li-rich NMC using RIXS, a key step towards tackling battery longevity and voltage fade. The study reveals that molecular O2 is trapped within the bulk material, enabling a new mechanism for explaining the O-redox process.
Two Pitt projects have received more than $1 million in NSF funding, one investigating the water wettability of floating graphene and the other developing high-performance materials for liquid-phase energy storage systems.
A simpler analytical model developed by Rice University researchers can quickly evaluate the rate capability of batteries and identify optimal electrode materials. The model's accuracy is within 10% of more computationally intensive algorithms, making it a game-changer for battery optimization.