Articles tagged with Electrolytes
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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.
The study reveals that adding water to the electrolyte speeds up the slow reaction of calcium-ion batteries by changing its structure. This discovery could greatly benefit the development of electrolytes for implementing calcium-ion batteries, making them safer, cheaper, and more powerful than existing lithium-ion batteries.
Researchers developed a long-life metal-O2 battery using Li-Na eutectic alloy, exhibiting similar reaction activities to other alloys and suppressing dendrite growth. The study also introduced efficient O2 reduction/evolution catalysts to improve cycling life and rate capability.
Researchers at MIT have developed a new system to extend the shelf life of single-use metal-air batteries by introducing an oil barrier that protects the aluminum electrode from corrosion. The design has shown a thousandfold improvement in energy loss, enabling batteries to last up to 24 days without degradation.
Scientists have discovered three distinct growth modes in lithium metal anodes: whiskers, surface growth, and dendrites. These growths are influenced by competing reactions between the electrolyte and metal deposits. The study's findings suggest that controlling these growth modes is crucial for building reliable batteries.
Researchers have developed a novel catalyst that enables an aluminum-air flow battery to outperform lithium-ion batteries in terms of energy density, cost, and cycle life. The breakthrough technology uses a silver manganate nanoplate architecture to alleviate side reactions and improve the battery's longevity.
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 created all-solid-state batteries with extremely low interface resistance, enabling fast charging and discharging. The batteries showed excellent electrochemical properties, exceeding those of traditional Li-ion batteries.
Researchers have discovered a new reason lithium-oxygen batteries tend to slow down after few charge/discharge cycles due to lithium peroxide buildup in the electrolyte component. The buildup contributes to the loss of power and efficiency of these promising batteries.
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.
Researchers at the University of Maryland have developed a new type of battery that can store more energy in the same space, enabling longer-range driving. The breakthrough uses aggressive electrodes and a highly-fluorinated electrolyte to stabilize potentially dangerous materials.
Researchers have developed a powerful 3D lithium ion battery with an area footprint smaller than 0.09 square centimeters, achieving an energy density of 5.2 milli-watt-hours per square centimeter. This design uses a conformal electrolyte and semiconductor processing to overcome previous limitations in 3D battery technology.
ETH Zurich scientists have discovered two new materials that could advance the development of aluminum batteries: a corrosion-resistant titanium nitride material and a flexible polypyrene material for the positive electrode. These advancements aim to improve the energy storage capacity, cost-effectiveness, and scalability of sustainabl...
Researchers have found that adding nanowires to solid-state electrolytes can increase conductivity, reduce stress, and prevent fires in lithium-ion batteries. The addition of nanowires also improves the battery's rate performance and cyclic capacity, making it a safer alternative.
Researchers developed a highly reversible zinc metal anode for aqueous batteries, addressing safety concerns and increasing energy storage capacity. The new technology has the potential to replace conventional lithium-ion batteries in extreme conditions, such as aerospace and military applications.
Researchers at the University of Maryland have created a water-based zinc battery with high energy density, rechargeability, and intrinsic safety. The new technology combines old battery chemistry with a novel aqueous electrolyte, overcoming limitations of conventional lithium-ion batteries.
A new 'water-in-salt' electrolyte enables stable lithium-air battery operation with superior long cycle lifetimes, according to Boston College researchers. The team's approach involves no organic solvents and allows water molecules to lock onto ions, reducing degradation when in contact with oxygen.
Scientists at NREL have discovered a method to enable the reversible chemistry of magnesium metal in noncorrosive carbonate-based electrolytes. The technology possesses potential advantages over lithium-ion batteries, including higher energy density, greater stability, and lower cost.
Scientists at PNNL have developed an electrolyte solution that increases the charge/discharge cycles of lithium-metal batteries by up to seven times. This breakthrough enables electric vehicles to drive more than two times longer between charges.
Researchers at UIC and Argonne National Laboratory designed a new lithium-air battery that can operate in a natural-air environment without oxidation or buildup of undesirable byproducts. The battery achieved record-breaking 750 charge/discharge cycles, surpassing previous experimental designs.
Researchers in China have developed a battery that can function at -70 degrees Celsius, far colder than traditional lithium-ion batteries. The breakthrough design uses organic compound electrodes with an ester-based electrolyte, enabling it to conduct a charge even at extremely low temperatures.
Researchers at WMG have developed a new test method that allows direct, precise internal temperature and electrode potential monitoring of Lithium-ion batteries. This enables safe charging at least five times faster than current recommended limits, with potential applications in motor racing and grid balancing.
A Northwestern University team has created a new fuel cell with exceptional power densities and long-term stability at optimal temperatures. The discovery enhances the viability of incorporating fuel cells into a sustainable energy future by solving multiple problems simultaneously through electrode, electrolyte, and contact improvements.
Researchers from UBC and UNC Chapel Hill discovered that halogens can increase conversion efficiency of dye-sensitized solar cells by 25%. The presence of halogens accelerates electron transfer, allowing for faster regeneration of the light-absorbing dye.
Researchers discovered a hybrid electrolyte that combines aqueous and organic characteristics to increase the performance of vertical graphene nanosheets in supercapacitors. The hybrid electrolyte and potassium hydroxide activation improved nanostructure and charge storage capacity, resulting in fivefold improvements in capacitance.
A team of Army scientists published new findings on modeling insights into battery electrolyte structure and stability, highlighting the importance of tailoring electrolytes to support fast and reversible lithium transport. The research aims to improve battery efficiency and lifespan.
A new study published in Frontiers in Veterinary Science has investigated three common hydration methods for sniffer dogs. The research found that dogs drink more and are more hydrated when given a chicken-flavored electrolyte drink compared to plain water or electrolyte injections, making it a safe and effective hydration alternative.
Researchers at Virginia Commonwealth University have designed solid-state electrolytes that are as conductive as their liquid counterparts while being very stable. This breakthrough could enable the creation of safer and more powerful lithium-ion batteries.
Researchers successfully created a hybrid WO3-TiO2 nanotubes film using electrochemical anodization, achieving high photocatalytic reduction performance. The film's high specific surface area and geometric surface area factor contribute to enhanced light absorption and charge carrier generation.
A team of Penn State engineers developed a new type of lithium sulfur battery that could improve efficiency, reduce costs and increase safety. The battery uses an organic sulfur-based interphase layer to prevent dendrite formation and improve mechanical flexibility.
Researchers have developed a novel coating that prevents side-reactions and promotes uniform lithium deposition, leading to improved battery performance. The new indium-lithium hybrid electrodes showed stability over 250 cycles with high capacity retention.
Researchers at Drexel University have developed a recipe for safer lithium-ion batteries by adding nanodiamonds to the electrolyte solution. The nanodiamonds suppress the growth of dendrites, which can cause short-circuits and fires in traditional lithium-ion batteries.
Researchers have developed bendable batteries that can run on biocompatible liquids like normal IV saline solution and cell-culture medium, outperforming most wearable lithium-ion batteries in charge-holding capacity and power output. The batteries' design also enables potential biomedical applications, such as consuming essential oxyg...
Researchers from Lomonosov Moscow State University found that electrode passivation in lithium-air batteries is triggered by the binding of superoxide anion with lithium ions. They suggested using solvents, electrolytes, and materials to inhibit this process, which could lead to more efficient battery operation.
Researchers developed a method to observe local conductivity changes in memristors using conductive liquid electrolytes. The method reveals the formation of nanoscale spots responsible for conductivity changes, allowing for distinction between electrical and thermal contributions.
Scientists create a polyacrylamide hydrogel electrolyte that enables supercapacitors to be stretched up to 1000% in length and compressed by 50% in thickness without losing capacity. This flexibility makes the supercapacitor suitable for wearable electronics.
Researchers at UC San Diego have developed new electrolyte chemistry that enables lithium batteries to operate at -60°C and electrochemical capacitors at -80°C. This technology could improve the performance of electric vehicles in cold climates and enable space exploration applications.
Researchers developed a self-healing catalyst film that regenerates under water electrolysis conditions, enhancing hydrogen production efficiency. The film forms and regenerates through electrostatic attraction forces, allowing it to remain stable for several days.
A University of Houston graduate student has been awarded a NASA fellowship to identify new materials for next-generation batteries. He plans to use a combined computational and experimental approach to investigate solid-state electrolyte materials for lithium batteries.
Researchers observe ultrafast bonding of lithium ions with solvents, challenging existing theory on ion diffusion. The study reveals dynamic restructuring of the solvent shell during ion transport, indicating that electrolytes play an active role in transporting lithium ions.
Researchers at ETH Zurich and IBM Research Zurich have built a tiny redox flow battery that supplies electrical power and cools computer chip stacks simultaneously. The new micro-battery reaches record-high output and has potential applications in lasers, solar cells, and large energy storage systems.
Researchers found that adding a small amount of lithium hexafluorophosphate to an electrolyte makes rechargeable lithium-metal batteries stable, charge quickly, and have high voltage. The additive also helps create a protective layer on the battery's anode, preventing unwanted side reactions.
Researchers at the University of Texas at Austin have developed a new type of lithium-ion battery that is safer, faster-charging and longer-lasting than existing batteries. The all-solid-state battery cells use glass electrolytes instead of liquid ones, eliminating the risk of dendrites and explosions.
Researchers at Harvard have developed a new flow battery that stores energy in organic molecules dissolved in neutral pH water. The battery loses only one percent of its capacity per 1000 cycles, making it long-lasting and cost-effective.
Researchers at Linköping University developed the world's first heat-driven transistor, opening up new possibilities for temperature detection and medical applications. The transistor converts a 100 times greater temperature gradient to electric voltage than traditional thermoelectric materials.
Researchers from Lomonosov Moscow State University have found that electrochemical oxygen reduction in lithium-air batteries is plagued by side reactions, limiting recharge cycles. The team identified defect sites in carbon electrodes as a key factor in the reaction's progression.
Sodium-oxygen batteries have shown improved cycle life and rechargeability thanks to a highly concentrated electrolyte solution. The new approach stabilizes DMSO in the presence of sodium, resulting in a passivating protective layer that enhances battery performance.
Scientists have developed thin, flexible lithium ion batteries that can self-heal after breaking, overcoming common wearables' power source limitations. The new batteries feature a self-healing polymer and gel electrolyte, allowing for safe use on the body.
Researchers have created a flexible, wearable thermocell that harnesses body heat to generate electricity. The device uses gel-based electrolytes and combines two different redox pairs to produce a current. This innovation overcomes previous challenges in wearable energy harvesting and storage devices.
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 the University of Waterloo have developed a long-lasting zinc-ion battery that costs half the price of current lithium-ion batteries and provides high reversibility, rate, and capacity. The battery uses safe materials and a pH-neutral electrolyte, making it ideal for grid energy storage and renewable energy production.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences have discovered a new phase transition in an oxide material, enhancing the performance of solid oxide fuel cells. This breakthrough could lead to more robust and efficient fuel cells with reduced emissions.
A study published in JAMA found that children with mild gastroenteritis and minimal dehydration experienced fewer treatment failures when offered half-strength apple juice followed by their preferred fluid choice compared to those who received electrolyte maintenance solution. The results suggest that diluted apple juice may be an appr...
Researchers at Rice University have developed a combined electrolyte and separator for rechargeable lithium-ion batteries that can operate at high temperatures, including 150 degrees Celsius, with negligible loss of efficiency. The 'white graphene' composite eliminates the need for conventional plastic or polymer separators and is desi...
The Electrochemical Society (ECS) has published its first Editors' Choice article, detailing transformative findings in the dosage and spatial distribution of lithiation. The article uses a focused Li-ion beam to probe lithiation mechanism at the nanoscale, enabling precise dosage and control.
A study found that marathon runners with 'salty' sweat had lower electrolyte levels in their blood despite proper hydration and nutrition. This suggests that sweat electrolyte concentration can impact physiological conditions during long-distance events.
A Chinese research team has developed a novel aluminum-graphite dual-ion battery offering significantly reduced weight, volume, and fabrication cost. The new battery boasts higher energy density and lower production costs compared to conventional lithium-ion batteries.
Researchers at Pohang University of Science & Technology developed a miniaturized solid oxide fuel cell that can power drones for more than an hour. The fuel cell's high power density and durability make it suitable for portable electronic devices, including smartphones and laptops.
Researchers have developed a flexible sensor system that measures metabolites and electrolytes in sweat, allowing for continuous non-invasive health monitoring. The device syncs data with smartphones and can alert users to health problems such as fatigue, dehydration, and high body temperatures.