Articles tagged with Solid Electrolytes
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Scientists at Argonne National Laboratory discovered a new fluoride electrolyte that can protect lithium metal batteries against performance decline. The electrolyte maintains a robust protective layer on the anode surface for hundreds of cycles, enabling the battery to last longer.
Researchers at Oak Ridge National Laboratory discovered a method to press solid electrolytes, eliminating air pockets that block ion flow and increasing conductivity by nearly 1,000 times. This breakthrough enables unprecedented control over internal structure, paving the way for industrial-scale processing and more reliable batteries.
Researchers at Duke University have discovered a class of compounds called argyrodites that could lead to the development of safer and more efficient solid-state batteries. The materials' unique crystalline structures allow for fast ion conduction, making them promising candidates for energy storage applications.
Researchers at Rice University developed a new priming method to optimize prelithiation in silicon anodes, improving battery life cycles by up to 44% and energy density. The method uses stabilized lithium metal particles with surfactants, enabling more stable SEI layer formation and reduced lithium depletion.
A team of researchers has uncovered nanoscale changes in solid-state batteries that could improve battery performance. They found that high-frequency vibrations at the interface make it harder for lithium ions to move, and discovered an intrinsic barrier to ion motion.
Researchers developed a method to heal and recycle garnet electrolytes with Li dendrite penetration through heat treatment, increasing ionic conductivity and relative density. The recycled pellets showed improved densification and suppressed Li dendrite penetration, enabling higher critical current density.
A new study reveals how ferroelectric coatings improve all-solid-state lithium batteries by reducing space charge layers and enhancing lithium transportation. The coatings made from guanidinium perchlorate increase battery capacities to near-liquid lithium-ion levels.
Researchers developed a new technique to make solid-state electrolytes safer and more efficient for solid-state batteries, addressing the dendrite growth problem. The new approach creates a barrier layer that slows down dendrite growth and promotes their quick elimination, making the battery safer and more reliable.
A new study proposes a simple coating solution to reduce degradation in solid-state lithium metal batteries. The coating, made of LiZr2(PO4)3 (LZP), improves capacity retention and decreases decay by mitigating uneven lithium-ion flux.
A bilayer, nonwoven PET microfiber/polyvinylidene fluoride nanofiber membrane acts as a separator for LIB systems and prevents short circuits. The substrate significantly improves the mechanical and thermal properties of solid polymer electrolytes, enabling cells to operate over 2000 hours.
Researchers have developed a novel process to convert nitrogen and hydrogen into ammonia at ambient temperature and pressure with high energy efficiency. The process uses a solid polymeric electrolyte and eliminates the need for purification, producing pure ammonia gas.
Lithium dendrites grow in solid-state batteries after charging and discharging cycles, leading to internal short circuits. Researchers have investigated the starting point of this process using microscopy methods, finding that grain boundaries play a crucial role.
A team of researchers has proposed a new technical route for all-solid-state lithium-based batteries (ASSLBs), overcoming limitations with highly compressible and conductive cathode material. This breakthrough could lead to safer and more energy-dense batteries.
Scientists at Tokyo University of Science develop a novel technique to evaluate the electric double layer effect, achieving carrier modulation and improved switching response speed control. The EDL effect is reduced with certain electrolytes, leading to faster charging times.
A Berkeley Lab-led team has designed a new type of solid electrolyte consisting of a mix of various metal elements, resulting in a more conductive and less dependent material. The new design could advance solid-state batteries with high energy density and superior safety, potentially overcoming long-standing challenges.
Researchers analyze current state of solid-state battery technology, identifying key challenges such as developing solid electrolytes and anode materials. The study concludes that new approaches in material research are necessary to overcome these hurdles and achieve commercialization.
Researchers have developed a new lithium-air battery that uses a solid electrolyte, boosting energy density four times above lithium-ion batteries. The battery can potentially power cars for over a thousand miles on a single charge and is also suitable for domestic airplanes and long-haul trucks.
Researchers developed a new molten salt battery design using sodium and aluminum that can charge and discharge faster, operate at lower temperatures, and maintain excellent energy storage capacity. The battery's specific energy density could reach up to 100 Wh/kg, making it a promising solution for 10-plus hours of energy storage.
Assistant Professor Mohammad Asadi has published a paper in Science describing the chemistry behind his novel lithium-air battery design, which could store one kilowatt-hour per kilogram or higher. This breakthrough technology has the potential to revolutionize heavy-duty vehicles such as airplanes, trains, and submarines.
Researchers at Toyohashi University of Technology elucidated the decomposition behavior of electrolytes in cathode composites of all-solid-state lithium-sulfur batteries. The sulfide solid electrolytes convert to thiophosphates with long-chain cross-linked sulfur during charging and discharging cycles, governing battery performance.
Researchers at Stanford University have developed a new understanding of how nanoscale defects and mechanical stress cause solid electrolytes to fail. By studying over 60 experiments, they found that ceramics often contain tiny cracks on their surface, which can lead to short circuits during fast charging. The discovery could pave the ...
A new approach recovers the elastic tensors and moduli of superionic materials through first-principles molecular dynamics simulations. This resolves a significant overestimation issue with static methods, providing accurate reference results for three benchmark materials.
Researchers recreated the brain's edge-of-chaos state to develop an AI device with high information processing performance. The device operates similarly to a neural network, producing electrical responses with spike and relaxation patterns similar to those of synaptic responses in the brain.
Scientists are rethinking electrolyte design for future battery generations, considering factors like interphases and solid-state electrolytes. They're using AI and automated laboratories to identify optimal electrolyte characteristics and reduce human error.
Scientists have developed a positive electrode material that maintains its volume during repeated charge/discharge cycles, ideal for solid-state EV batteries. This breakthrough offers significant improvements in durability and charging speed, potentially reducing battery costs and enabling faster charging times.
Researchers have created a non-flammable electrolyte for lithium-ion batteries by increasing the amount of salt in a polymer-based solution. This 'SAFE' electrolyte proves to be stable at high temperatures, allowing batteries to function safely and efficiently. The development could lead to improved performance, reduced space occupied ...
Researchers at MIT discovered that mechanical stresses can prevent dendrites from forming in solid-state lithium batteries. The team developed a way to apply controlled pressure to divert the growth of dendrites, making lightweight batteries safer and more efficient.
The introduction of fluoroethylene carbonate (FEC) into a poly(1,3-dioxolane)-based polymer electrolyte improves the performance of sodium metal batteries. FEC forms a passivation layer that inhibits side reactions between DOL and the Na metal, reducing interfacial resistance and improving battery overall performance.
A research group has developed an innovative methodology to quantify the electrochemical reversibility of a lithium metal anode in practical lithium battery systems. The method enables the precise quantification of active and inactive lithium, allowing for a better understanding of the degradation and failure of Li metal batteries.
A team of University of Missouri researchers is working to understand why solid-state lithium-ion batteries struggle with performance issues. They will use a specialized electron microscope and thin film polymer coatings to study the interface between the battery cathode and electrolyte, with the goal of developing an engineered interf...
Researchers found that a 2% reduction in atomic distance on the surface leads to a significant decrease in hydrogen ion conductivity, reducing fuel cell performance. Developing methods to mitigate this strain is crucial for improving high-performance fuel cells for clean energy production.
Scientists have developed a novel polymeric solid electrolyte with improved Li-ion conductivity and a wide potential window, making it suitable for practical use. The addition of a porous membrane enhances the electrolyte's performance by deterring Li dendrite formation, contributing to safer and more sustainable energy supply.
Researchers from Tokyo University of Science create a metal–organic framework-based magnesium ion conductor showing superionic conductivity at room temperature, overcoming the limitations of magnesium ion-based energy devices. The novel Mg2+ electrolyte exhibits a high conductivity of 10−3 S cm−1, making it suitable for battery applica...
Researchers at the Indian Institute of Science discovered that microscopic voids in lithium anodes cause dendrite formation in solid-state batteries. By adding a thin layer of refractory metals to the electrolyte surface, they delayed dendrite growth and extended battery life.
Researchers at Toyohashi University of Technology have developed a novel large-scale manufacturing technology for sulfide solid electrolytes, specifically Li7P3S11, which exhibits high ionic conductivity. This breakthrough enables the low-cost and scalable production of highly ion conductive solid electrolytes for all-solid-state batte...
Scientists have created a quasi-solid-state cathode for solid-state lithium metal batteries, achieving significant reduction in interfacial resistance. The new design uses an ionic liquid to maintain excellent contact with the electrolyte, promising new directions in battery development.
Researchers developed an indentation test to evaluate mechanical properties of sulfide solid electrolytes, crucial for all-solid-state lithium-ion secondary batteries. The method enabled accurate assessment in inert atmosphere, confirming superior mechanical properties of sulfide-type solid electrolytes.
Solid-state batteries with little liquid electrolyte are safer than lithium-ion batteries in many cases. However, they also have limitations, such as slow lithium ion movement from the solid electrolyte to electrodes.
A new material, sodium carbo-hydridoborate, improves the performance of solid-state sodium batteries, making them more sustainable and durable. The ideal pressure to be applied to the battery for efficient operation has also been defined.
Researchers have created a new solid electrolyte that enables fast hydrogen conductivity in the intermediate temperature range of 200-400°C. This breakthrough could lead to more efficient fuel cells and electrochemical reactors for sustainable energy.
Researchers at Duke University have discovered paddlewheel-like molecular dynamics that help push sodium ions through a quickly evolving class of solid-state batteries. The insights will guide researchers in their pursuit of a new generation of sodium-ion batteries to replace lithium-ion technology.
Researchers from Tokyo Tech and AIST develop a strategy to restore the low electrical resistance in all-solid-state lithium batteries. By heating the interface between the positive electrode and solid electrolyte, they reduce the resistance to comparable levels of unexposed batteries.
Researchers have developed a new hexagonal perovskite-related oxide with excellent ionic conduction at intermediate and low temperatures, paving the way for efficient solid oxide fuel cells. The material's stability and ion conduction remain dominant in reducing atmospheres.
The National Institute for Materials Science in Japan has developed an ionic artificial vision device capable of increasing edge contrast between dark and light areas like human vision. This device uses ionic migration and interaction within solids to mimic human optical illusions without software.
The study investigates the effect of solvent on liquid-phase synthesis of lithium solid electrolytes. The research team found that solvents with high dielectric constants enhance reactivity and lead to crystalline Li7P3S11 with high conductivity. Acetonitrile emerges as the best solvent for mass production of sulfide solid electrolytes.
Scientists at ORNL developed a scalable, low-cost method to improve materials joining in solid-state batteries, resolving one of the big challenges in commercial development. The electrochemical pulse method increases contact at the interface without detrimental effects, enabling an all-solid-state architecture.
Researchers develop solid-state battery material derived from trees, offering improved ion conductivity and potential solutions to safety concerns. The new material could enable the mass market adoption of solid-state battery technology.
Researchers at Ural Federal University successfully experimentally determined the optimal thickness of an aluminum layer in a fully solid-state lithium power source. The results will be used to create high-energy batteries with increased operational safety and lower production costs.
Researchers at the University of Liverpool have developed a collaborative AI tool that reduces time and effort required to discover new materials. The tool has already led to the discovery of four new materials, including solid state materials with lithium-conductive properties.
Scientists have discovered a two-dimensional type I superionic conductor with high ionic conductivity and low thermal conductivity, making it a promising material for batteries, fuel cells, thermoelectrics, and environmental cleanup applications.
Scientists at Tokyo University of Science develop a new methodology to investigate the elusive electric double layer (EDL) effect in all-solid-state batteries. The study reveals that the EDL effect is dominated by the electrolyte's composition and can be suppressed through charge compensation, leading to improved performance.
Researchers developed a chlorine-substituted Na3SbS4 solid electrolyte with improved ionic conductivity and superior electrochemical stability, enabling long-term stability with Na metal anodes. The Cl substitution allows for three-dimensional ion diffusion pathways and reduces interfacial resistance.
Researchers at MIT have developed a way to prevent dendrite formation in solid-state lithium batteries, potentially unlocking the potential of high-powered batteries. The team created a semisolid electrode with a self-healing surface, allowing for high current densities without dendrites.
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...
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 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.
Researchers at DGIST developed a 3D digital twinning platform to analyze all-solid-state battery interfaces, reducing defects and improving performance. The technique uses detailed 3D replicas of the real thing, capturing structural analyses and validating efficacy.
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.
Stanford University scientists have identified a class of solid materials that could replace flammable liquid electrolytes in lithium-ion batteries, improving safety and performance. The new materials, made of lithium, boron, and sulfur, show promise as stable and efficient alternatives.
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.