Articles tagged with Electrolytes
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Researchers at Kaunas University of Technology developed a non-invasive method to measure electrolyte levels, particularly potassium, through electrocardiogram. This can help prevent life-threatening conditions among people with chronic kidney disease.
The team used fluorescent pH-sensor foils to visualize changes in local pH during electrolysis, observing a clockwise motion of the electrolyte and fluctuations in density due to electrochemical reactions. They developed a multiphysics model to simulate natural convection in electrochemical cells with various electrolytes.
Researchers found that sulfate anions significantly improve the performance of zinc-ion hybrid capacitors, enabling them to operate for over nine months and showing excellent flexibility. The study highlights the importance of electrolyte anions in enhancing the power and energy density of capacitors.
Researchers have conducted the first operando stability study of high-purity BiVO4 photoanodes during photoelectrochemical oxygen evolution reaction (OER). Using in-situ plasma mass spectrometry, they determined a useful parameter called the stability number (S), which can be used to compare and assess the stability of photoelectrodes.
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 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.
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.
Dye-sensitised solar cells can perform more consistently in low-light conditions thanks to improved understanding of electrolyte additives. Researchers have found that certain molecules, such as 4-tert-butylpyridine and 1-methyl-benzimidazole, are crucial to suppressing recombination losses and maximizing efficiency.
Researchers at KIST developed a next-generation zinc ion battery that uses water-based electrolytes, eliminating the risk of explosion or fire. The new battery maintains nearly 100% capacity over 1,000 cycles and can be manufactured in flexible fiber form for wearable devices.
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.
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 have developed a new method to enhance graphene-based supercapacitors, increasing storage capacity and reducing size. The approach uses gel-based electrolytes, offering a path to miniaturized on-chip energy storage systems compatible with silicon electronics.
A flexible electronic sensing patch can be sewn into clothing to analyze sweat for multiple health markers, including electrolytes and metabolites. The device enables real-time tracking of physiological responses during exercise or daily activities, with potential applications in diagnosing and monitoring chronic health conditions.
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 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.
Researchers at Stanford University have developed a new lithium-based electrolyte that can improve the performance of lithium metal batteries. The novel electrolyte design boosts energy density and coulombic efficiency, leading to longer battery life and reduced weight.
The study establishes a cost-effective synthetic strategy to gain highly proton-conductive porous organic polymers (POPs) with excellent conductivity of 10-2 to 10-1 S cm-1. This design offers a universal means for evolving structural design for highly proton-conductive materials.
Researchers developed a stretchable, environmentally friendly, and low-cost supercapacitor with high power density and fast charge-discharge rates. The new design uses nitrogen-doped graphene electrodes in an NaCl-based electrolyte, improving volumetric performance and reducing fabrication costs.
An international team developed a sophisticated experimental technique at BESSY II to observe the formation of a metallic conduction band in electrolytes. The team analyzed the process using soft X-rays and combined it with theoretical predictions, making this a significant contribution to fundamental understanding.
Scientists have created a sodium-ion battery that can deliver high energy capacity and recharge successfully, keeping over 80% of its charge after 1,000 cycles. This breakthrough has the potential to replace rare and expensive lithium-ion batteries with more abundant and affordable materials.
A team of researchers has developed a new method to produce hydrogen peroxide, which can be made in-house using a portable setup. This reduces costs for hospitals by up to 50-70% and has the potential to enable households to generate their own supply of disinfectant.
Researchers at KIST have developed a stretchable lithium-ion battery with an accordion-like micro-honeycomb structure, allowing for high energy storage capacity and long-term stability. The battery's stretchable properties enable new applications in wearable and body-implantable devices.
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 at Nagoya University have created a new material that can efficiently charge Internet-of-Things (IoT) devices using body heat. The breakthrough involves adding an ion electrolyte gel to a conducting polymer, which untwists the polymer chain and creates links between its crystalline parts, improving electron conductivity.
The team developed a flexible composite LLZO sheet electrolyte that can be produced at room temperature, reducing energy consumption and enabling widespread adoption of lithium metal batteries. The electrolyte functions over a wide range of temperatures, making it suitable for electric vehicles.
Researchers at the University of Tokyo have developed a new fluorinated cyclic phosphate solvent electrolyte that improves upon existing ethylene carbonate, offering nonflammable properties and increased voltage tolerance. This breakthrough could lead to longer journeys in electric vehicles and improved fire safety in home energy storage.
Researchers at UNIST developed an ion concentrate electrolyte using a solvent containing fluorine atoms, which protects both the negative and positive electrodes in lithium metal batteries. This new composition increases battery output and lifespan, addressing stability issues with lithium metal batteries.
The new tools, based on MRI principles, allow scientists to observe how next-generation batteries work and fail, enabling strategies to extend battery lifetimes. By charging batteries at lower voltages, they can significantly slow degradation, extending lifespan.
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 at UC San Diego developed an ultrasound-emitting device that improves charge time and run time in lithium metal batteries by preventing dendrite growth. The device enables fast-charging and high-energy batteries, offering twice the capacity of current lithium ion batteries.
Researchers at Northwestern University have developed a new method that fluidizes catalyst particles in electrolyte, avoiding fatigue and improving stability. This approach could lead to improved production processes for electrolysis and energy conversion.
Researchers used new technology to analyze the self-assembling gateway structure within lithium-ion batteries, revealing its composition and chemical make-up. The study aims to create more energetic, longer-lasting, and safer batteries.
Researchers create a novel, flame-retardant electrolyte for potassium and potassium-ion batteries, enabling safe operation at reduced concentrations. The new electrolyte allows for stable cycling of batteries with concentrations suitable for large-scale applications.
A new soft and stretchable battery developed by Stanford researchers can store power more safely than conventional batteries, promising to enable the design of comfortable wearable electronics. The device maintains a constant power output even when stretched or squeezed.
Researchers at Rensselaer Polytechnic Institute have developed a new aqueous lithium-ion battery that is non-flammable, cost-efficient, and effective. The battery uses a water-in-salt electrolyte and complex oxides to achieve fast-charging capability and high energy storage per unit volume.
Researchers have developed a self-healing sweat sensor that can withstand vigorous exercise and quickly repair itself if damaged. The device, in the form of a headband, accurately tracks electrolyte concentrations in sweat, providing valuable insights into a person's health.
Researchers at Tokyo University of Science successfully developed a novel material, boron-doped nanodiamond, for use as an electrode in supercapacitors. This innovation significantly increases the energy storage capacity and stability of these devices.
Researchers developed a modified Mg metal anode via surface ion-exchange reaction, enabling stable electrochemical performance and reversible plating/stripping at high current densities. The artificial layer improves ion transport kinetics, reducing overpotential and increasing battery lifespan.
Researchers demonstrate high-contrast imaging of water states for fuel cell applications and indicate how their new method can be applied to other hydrogen-relevant industrial processes. The team's cross-continental collaborations were critical to confirm experimental findings and optimize contrast-to-noise ratio in acquired images.
Researchers from KIT and Helmholtz Institute Ulm develop promising electrolyte class for calcium batteries, enabling charging at room temperature. The new electrolyte class demonstrates feasibility of high-energy-density, storage-capacity and quick-charging capability in calcium batteries.
Researchers at Argonne National Laboratory have developed a new electrolyte mixture and additive that can stabilize silicon anodes during cycling, improving long-term cycling and calendar life. The new electrolyte mixtures, called MESA, show increased surface and bulk stabilities, outperforming comparable cells with graphite chemistry.
Researchers at ETH Zurich have developed a flexible thin-film battery that can be bent, stretched and twisted without disrupting power supply. The new battery features a water-based gel electrolyte that is environmentally friendly and non-toxic.
Researchers have developed a new electrolyte regulation strategy for Li-O2 batteries using hydrophobic silica colloidal particles. The strategy prevents lithium dendrite growth and corrosion, achieving a 980-times better anticorrosion effect and stable long-life electrochemical performance.
Researchers developed wearable skin sensors that can detect sweat rate and electrolytes, providing real-time updates on health problems such as dehydration or fatigue. The sensors were found to be reliable and reproducible, enabling continuous data collection from different parts of the body.
A team of scientists from the University of Bristol and MIT has designed a new class of highly efficient ionic liquid electrolytes that can improve supercapacitor performance. These detergent-like electrolytes can self-assemble into sandwich-like bilayer structures on electrode surfaces, leading to improved energy storage capabilities.
Researchers at Washington University in St. Louis have developed a novel parameter to select electrolytes for metal-air batteries, reducing trial-and-error testing. The 'Electrochemical' Thiele Modulus measures ion transport and reaction kinetics, allowing rational development of high-performance electrolytes.
Researchers developed a scalable method for fabricating planar zinc-manganese oxide (Zn//MnO2) batteries, which deliver high volumetric capacity and notable energy density. The batteries also exhibit long-term cyclability and flexibility without capacity decay.
Researchers at the University of California - San Diego have developed a new cold-tolerant electrolyte for lithium-metal batteries, improving cycling efficiency and reducing dendrite growth. The breakthrough could lead to lighter batteries capable of storing more charge, extending electric vehicle range and lowering battery costs.
Researchers developed new electrolytes containing multiple additives to improve lithium-ion battery performance across a wider temperature range. The optimized combination enhanced discharging performance and long-term stability at low temperatures, while also improving cycling stability at higher temperatures.
Researchers have identified a new cathode chemistry that increases the energy density of lithium-ion batteries while maintaining improved safety. The discovery, which utilizes an aqueous electrolyte, has the potential to significantly increase the energy capacity of batteries without increasing weight or risk of fire.
Researchers have developed dual-ion batteries that integrate anodes and cathodes, enabling high efficiency and low cost. The batteries use aluminum foil as the cathode material and graphite as the anode, achieving a new level of performance.
Researchers improve energy density of supercapacitors using a suitable electrolyte solvent, doubling the charge storage capacity of titanium carbide MXenes. The study reveals that specific solvents can significantly increase charging speed and boost energy storage.
A novel type of flow battery is being tested in golf carts and industrial vehicles, showing promise for powering electric cars for up to 3,000 miles. The technology replaces traditional batteries with a water-based single fluid that can run like a gas engine without burning anything.
Researchers at MIT have developed a new microscopy technique that allows the observation of a metal surface during hydrogen penetration. This breakthrough could lead to safer reactor vessels and more efficient hydrogen storage tanks. The technique, which uses a liquid electrolyte to expose metal surfaces to a hydrogen environment, has ...
Researchers have created a new type of magnesium battery that uses a rigid-fexible coupling gel polymer electrolyte to achieve improved performance. The battery exhibits reversible Mg plating/stripping performance, high Mg-ion conductivity, and unprecedented improvements in safety issues.
Researchers at the University of Houston have developed a high-energy magnesium battery with up to 243 watt hours per kilogram, outperforming earlier models. The new design uses a chloride-free electrolyte and organic cathode, enabling stable performance and high energy storage capacity.
Susan Fullerton is developing all 2D materials for next-generation electronics, with potential applications in information storage, brain-inspired computing, and security. Her research uses a novel approach to ion utilization, which could represent a paradigm shift in high-performance computing.
Researchers from Siberian Federal University create a self-configuring evolutionary genetic algorithm to automate X-ray diffraction quantitative phase analysis for accurate electrolyte composition analysis. The method improves the efficiency of aluminium production by reducing human involvement and errors.
Researchers have made improvements to fluoride-based batteries that allow them to operate at room temperature, potentially rivaling lithium-ion batteries. This breakthrough could lead to the development of high-energy density batteries with wider operating voltage and stability.