Articles tagged with Electrolytes
Scientists identified depletion of liquid electrolyte as primary cause of failure in high-energy-density lithium-metal batteries. The study used high-energy x-rays to map performance variations and calculate cathode material state, enabling the discovery of dominant failure mechanism.
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 at MIT have developed a novel electrolyte that overcomes chemical reactions hindering metal electrode use in lithium-ion batteries. This breakthrough could lead to significantly improved capacity and cycle life, enabling new applications like long-range drones and robots.
Lithium-metal batteries, used in next-gen electronics and electric vehicles, suffer from calendar aging, losing charge even when turned off. The nature of the battery electrolyte significantly impacts aging, with different electrolytes causing varying levels of corrosion and efficiency loss.
A study published in the Journal of the International Society of Sports Nutrition found that drinking electrolyte-enhanced water during and after exercise reduced muscle cramp susceptibility compared to plain water. The researchers suggest that pure water dilutes electrolyte concentration, making muscles more prone to cramps.
Scientists review advances in CO2 electrochemical transformation using ILs, focusing on CO2 reduction and organic transformation. They highlight the potential of ILs to improve selectivity and efficiency, enabling the production of value-added chemicals.
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.
Researchers have made significant progress in understanding the proton conduction mechanism in protic ionic liquids, a key component in fuel cells. The study reveals that the mechanism shifts from proton hopping to vehicle mechanism with increasing acidity, enabling the development of new hydrogen ion conductors.
Researchers at Pohang University of Science & Technology developed a multi-functional separator to trap moisture and impurities in lithium-ion batteries. This breakthrough allows for battery assembly in ambient air, reducing costs and improving performance, with excellent heat resistance and electrochemical stability demonstrated.
Electrochemically driven carbon nanotube muscles contract more when driven faster, solving limitations that restricted their applications. The polymer coating used in the study converts bipolar actuation to unipolar, making the muscles faster and more powerful.
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.
Researchers have designed a new type of antiperovskite that could help replace flammable organic electrolytes in lithium ion batteries. The compound, containing a hydrogen anion and 'soft' chalcogen anions like sulphur, provides an ideal conduction path for lithium and sodium ions.
Researchers at the University of Houston have developed a new 3D zinc-manganese nano-alloy anode that allows for fast charging and is stable without degrading. The anode uses seawater as an electrolyte, lowering battery cost, and has been tested to last up to 1,000 hours under high current density.
Researchers at Oregon State University have developed a battery anode based on a new nanostructured alloy that can improve energy storage and replace solvents with seawater. The zinc- and manganese-based alloy suppresses dendrite formation, demonstrating super-high stability over thousands of cycles.
An international research team has developed a new zinc-air battery chemistry using a non-alkaline, aqueous electrolyte, overcoming previous technical obstacles. The new battery exhibits higher chemical stability and electrochemical reversibility, with potential to compete with lithium-ion batteries.
Researchers from the University of Houston and Toyota Research Institute of North America have developed a new magnesium battery capable of operating at room temperature, delivering power density comparable to lithium-ion batteries. The new cathode and electrolyte enable high-power battery performance previously considered impossible.
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.