Articles tagged with Batteries
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Researchers achieve breakthrough in designing carbonaceous materials as cathodes with ultrahigh energy density (>1000 Wh kg?1) through p-type doping strategy. The work presents a new paradigm for evaluating electrochemical performance from multiple perspectives.
A research team at Chinese Academy of Sciences has developed a new solvation strategy to enhance the oxidation stability of carbonate-based electrolytes in Zinc/Graphite batteries. This breakthrough could lead to high-voltage cells with low self-discharge and long shelf life, making them suitable for large-scale grid storage.
The BATTERY 2030+ initiative aims to create more environmentally friendly and safer batteries with better performance, storage options, and longer life. The seven projects will focus on developing sensors for real-time monitoring, self-healing components, and new battery concepts.
Researchers at Northwestern University and TU Delft have developed a battery-free, energy-harvesting Game Boy that can play games from original cartridges, reducing the need for batteries. The device harnesses energy from solar panels and user button presses to enable indefinite gameplay.
Fire experiments in a test tunnel revealed that burning electric cars pose less risk than gasoline/diesel cars due to state-of-the-art ventilation systems. However, extinguishing water poses a challenge, as it's poisonous and requires special handling.
Scientists have developed a low-temperature resisting hybrid electrolyte for aqueous zinc-based batteries (ZBBs), exhibiting high zinc-ion conductivity at low temperature. The new electrolyte improved the performance of ZBBs, enabling high energy densities, power densities and long-cycle life at -20°C.
Asymmetric stresses within electrodes used in wearable electronic devices can lead to improved durability and lifespan of batteries. Researchers from the University of Warwick have found that varying coating properties on each side of double-sided coated electrodes can help mitigate high bending stress and improve mechanical resilience.
A team of Russian researchers has developed a new design for the membrane-electrode assembly (MEA) in vanadium redox flow batteries, reducing experimental costs and increasing power. The new design simplifies the laboratory testing process, making it more accessible to new research groups.
Researchers at Idaho National Laboratory and University of California San Diego discovered a rare glassy metal during studies on lithium recharging. The discovery could lead to improved battery life and new applications for glassy metals, which are difficult to produce but offer powerful material properties.
Two mitochondrial apolipoproteins, APOO/MIC26 and APOOL/MIC27, regulate mitochondrial protein complex stability and are associated with diabetic cardiomyopathy. The study reveals the importance of cardiolipin and crista junctions in maintaining cellular respiration.
Scientists at Oldenburg University have developed a new technique to observe chemical processes during battery operation. The team used scanning electrochemical microscopy (SECM) to track changes on the lithium anode's surface, revealing how dendrites form and limit durability.
Researchers developed a new soft electrolyte that suppresses lithium dendrites, allowing for longer cycle life and improved safety. The technology enables the production of high-energy density batteries for electric aircraft and long-range electric cars.
Researchers developed N-doped carbon encapsulated transition metal catalysts to optimize zinc-air batteries, showing remarkable ORR/OER bifunctional catalytic activity and improved performance. The catalyst was prepared by pyrolyzing solvent-free formed fechitosan chelates and small molecule nitrogen source.
The team developed a low-power, low-weight wireless camera system that can capture first-person views from live insects or small robots. The camera uses a mechanical arm to pivot 60 degrees, allowing for wide-angle views without consuming excessive power.
Researchers developed a new robotic prosthetic leg that consumes half the battery power of state-of-art robotic legs while producing more force. The streamlined design features regenerative braking, which charges the battery with energy captured when the foot hits the ground, enabling users to walk for over twice as long on one charge.
Researchers at Texas A&M University have developed a new anode design for lithium batteries using carbon nanotubes that enables safe storage of lithium ions and boosts charging speed. The technology prevents dendrite formation, reducing the risk of device explosions and improving battery performance.
Researchers have designed a solar flow battery that combines energy conversion and storage in one unit, potentially expediting electrification in remote locations. The technology integrates photoelectrochemical solar cells with aqueous organic redox flow batteries to produce high voltage and stable cycling.
Researchers have developed a highly efficient solar-flow battery that can store and redeliver renewable electricity from the sun. The device achieved a record efficiency of 20 percent conversion, outperforming previous records by 40%. This breakthrough could potentially yield a new way to harness, store and use the sun's energy for sol...
Researchers review recent progress in sulfur/carbon cathode materials and high safety electrolytes for advanced Li-S batteries. Effective strategies to solve technical obstacles like low cycling stability and safety issues are discussed.
Researchers at GIST developed an active photonic wireless system to power medical implants, eliminating the need for invasive battery replacements. The system uses photons to recharge devices in live tissues, enabling long-term use and accelerating emerging implant technologies.
Researchers have proposed a new class of hydrated eutectic electrolytes to improve the performance of aqueous zinc batteries. The study reveals that these electrolytes provide better stability and low-temperature operation, paving the way for long-life rechargeable batteries.
Aalto University researchers have developed a nature-imitating coating that makes batteries more durable and efficient. The coating, produced using carbon dioxide in molecular layer deposition, can protect the actual electrode material and enable the use of new, more efficient materials like lithium.
Researchers have created the first quantum phase battery, which induces supercurrents in a quantum circuit by providing a persistent phase difference. The battery consists of an indium arsenide nanowire and aluminum superconducting leads.
The 'Testbench' project enhances the quality of efficiency measurements for solar power storage systems, facilitating comparison and standardization. The goal is to improve reproducibility and confirm the results, ultimately benefiting operators and manufacturers in the growing market.
Researchers at JCESR are working on enhancing ion conductivity in solid-state electrolytes using the paddlewheel effect. This can lead to faster and more stable battery performance, eliminating thermal runaway reactions that cause fires.
Researchers from SUTD have developed a new material that increases the lifespan of rechargeable batteries using sodium ion technology. The breakthrough addresses the global shortage of lithium resources and enhances energy density, enabling more efficient power supplies for electronic products.
Researchers at Stockholm University developed a new recycling method for NiMH batteries, which improves their performance and reduces production costs by up to 95%. The process involves mechanical washing and separation of reusable electrode material, making it easier and cheaper than traditional battery recycling methods.
A new radio-frequency switch developed by US Army-funded researchers has achieved 50 times more energy efficiency than current components. The switch enables devices to stream HD media faster and retain battery life.
Researchers at the University of Texas at Austin developed a new component that increases devices' battery life and speeds up high-definition media streaming. The switch, made from hexagonal boron nitrite (hBN), can transmit data above 5G-level speeds and stay off to save power.
Researchers found that LATP ceramics degrade significantly in contact with water, losing up to 64% of their total ionic conductivity. The study highlights the importance of preserving initial performance through simple drying-and-vacuum treatments.
A team of electrical engineers at KAUST has successfully made pure red LEDs from nitride crystals, paving the way for improved display technologies and efficient lighting. The breakthrough utilizes metalorganic vapor-phase deposition to add indium and aluminum to the crystal, reducing defects and increasing voltage efficiency.
A new device, PuffPacket, can track e-cigarette consumption patterns and provide valuable insights for research on vaping. It helps researchers understand addiction triggers and create interventions to help people quit.
A new device developed at Carnegie Mellon University uses multiple strings attached to the hand and fingers to simulate the feel of obstacles and heavy objects in virtual reality. The device provides more realistic haptic feedback than other techniques, enabling users to feel the contours of virtual objects and sense resistance.
A study by researchers at the University of São Paulo has identified a promising technological alternative to solvents used in batteries. Highly concentrated aqueous electrolytes offer significant advantages over conventional methods, including being nontoxic and cheaper. However, challenges such as hygroscopicity and corrosion need to...
Researchers have developed a hydrogel that can cool down electronic devices and convert waste heat into electricity, reducing overheating issues and increasing device efficiency. The new material, which is self-regenerating and safe for use, has shown promising results in cooling cell phone batteries during fast discharging.
Researchers at ORNL successfully demonstrated a 20-kilowatt bi-directional wireless charging system on a UPS truck, transferring power across an 11-inch air gap with over 92% efficiency. The technology also supports energy storage and expands possibilities for fleets to utilize vehicle battery storage.
Purdue University researchers developed a technique to turn waste polyethylene terephthalate into battery components using ultrafast microwave irradiation. The technology has shown promising results for lithium-ion and sodium-ion battery cells, offering a low-cost and sustainable solution for renewable energy storage.
Researchers at the University of Eastern Finland developed a hybrid material combining mesoporous silicon microparticles and carbon nanotubes to improve silicon's performance in Li-ion batteries. The material was produced from barley husk ash, reducing its carbon footprint.
Scientists have discovered that more energy can be stored by charging less frequently, but right up to 100%. The study found that dividing the storage system into compartments increases energy storage. This discovery may revolutionize electric car battery technology and lead to significant increases in capacity.
Researchers are using high-efficiency mrixS to study oxygen atoms and metal states in battery electrodes. The technique helps detect chemical states, track electron movement, and measure degradation, leading to improved battery performance.
Researchers have developed Fe <sub>1-x</sub> S-decorated mesoporous carbon spheres as a nanoreactor for lithium-sulfur battery cathodes, showing excellent polysulfide catalytic activity and cyclic stability. The design strategy provides a new protocol for building high-capacity and long-cycle rechargeable batteries.
Researchers at USTC observed single-atom-layer defects that act as 'Li-ion traps', significantly influencing ionic transport and reducing conductivity by up to 1-2 orders of magnitude. The discovery opens new avenues for understanding non-periodic features in solid electrolytes.
Researchers at KIST have developed a sulfide-based superionic conductor that delivers Li-ion conductivity comparable to liquid electrolytes, solving a key challenge in all-solid-state battery technology. The new material enables accelerated mass production and commercialization of safe batteries.
Researchers at the University of Würzburg and Technical University of Braunschweig have developed two innovative technologies, Skith and Wall#E, to simplify satellite construction. Skith enables wireless control and reduces satellite mass, while Wall#E is a fiber-reinforced structure that stores electrical energy.
Researchers found that stroke survivors who engaged in light physical activity reported fewer physical limitations than their more sedentary peers. Light physical activity was associated with improved performance on routine physical tasks and daily activities.
Researchers have created an all-organic proton battery with the ability to charge in seconds and retain capacity down to -24°C. The battery uses quinones as active material and an acidic aqueous solution as electrolyte, providing a safe and environmentally friendly alternative to traditional batteries
Researchers at MIT used machine learning to streamline the discovery process for new materials, narrowing down 3 million candidates to eight promising options in just five weeks. The neural network was able to predict properties and optimize criteria, improving upon conventional analytical methods.
The researchers demonstrate a novel type of supercapacitor that can store energy like a battery but with some key differences. It stores energy through charge separation and cannot create its own electricity, making it perfect for short, high-power applications.
Drexel University researchers have discovered a water-free method to produce MXenes, altering their chemical structure to improve battery and solar cell performance. This breakthrough enables the use of MXene materials in applications where water is a contaminant or hampers performance.
A new composite catalyst has been developed to enhance the performance of metal-air batteries (MABs), which are considered a strong candidate for next-generation electric vehicles. The catalyst, combining two types of materials, improves charge and discharge efficiency by synergistically enhancing the reaction rates.
The 911$ Rescue Drone, a flying stretcher designed by UNIST's design team, has won the iF Design Award 2020 for its innovative features. It includes an emergency stretcher bed, compact propellers, and follow-me feature, making it an efficient tool in responding to golden hour emergencies.
The UC San Diego team created a nano-composite separator that slows down the flow of energy and heat inside lithium metal batteries when they short circuit. This allows the battery to self-discharge gradually, preventing catastrophic failure and potential fires.
Scientists have developed a method to recharge bioelectronic implants wirelessly using soft and flexible materials that absorb sound waves. The new technology could minimize surgical treatments and improve patient comfort. Researchers have successfully demonstrated the concept by charging devices with ultrasonic energy.
The researchers developed a low-cost and straightforward liquid phase process to create an active sulfur material and carbon nanofiber composite. This composite showed higher discharge capacity and better cycle stability than traditional lithium-ion secondary batteries. The new battery technology has the potential to revolutionize the ...
Researchers developed a simple self-charging battery using ferroelectric glass electrolyte within an electrochemical cell. The technology enables batteries to self-charge without losing energy, increasing autonomy and output power.
Researchers developed a composite membrane for long-life zinc-based flow batteries, improving cycle life and energy efficiency by regulating zinc deposition morphology. The new membrane can stabilize alkaline zinc-iron flow batteries for 500 charge-discharge cycles with over 80% energy efficiency.
Researchers adapted the NIH Toolbox Cognitive Battery to assess cognitive ability in people with intellectual disabilities aged 5 years and above, providing objective measures. The validated battery produces reliable and valid results, paving the way for further research on its adaptation for lower mental ages and older adults.
The study validated the use of the NIH Toolbox Cognitive Battery in individuals with a mental age of 5 or above, measuring cognitive skills and executive function. The test proved to be feasible and reliable for a high percentage of participants, offering a standardized metric for assessing this population.
A team at Stanford University developed a machine learning-based method that accelerates battery development for electric vehicles, reducing testing times from almost two years to 16 days. The approach optimizes the charging process, finding better protocols to test and predicting battery performance based on only a few charging cycles.
Researchers at UC San Diego developed a new ultra-low power Wi-Fi radio that consumes just 28 microwatts of power, enabling IoT devices to communicate with existing Wi-Fi networks. The chip can transmit data at a rate of 2 megabits per second over a range of up to 21 meters.