Articles tagged with Lithium Ion Batteries
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The study found that the US uses mostly synthetic graphite, which is produced from fossil fuel industry by-products, while natural graphite is sourced from mines and imported. The researchers suggest increasing domestic production and recycling of graphite-containing products to reduce greenhouse gas emissions.
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 at Tokyo University of Science have found a promising cathode material for magnesium rechargeable batteries, achieving better cyclability and high battery capacity. The Mg1.33V1.67O4 system with substituted vanadium and manganese shows superior charge-discharge properties.
Researchers have made progress toward fast-charging lithium-metal batteries by growing uniform lithium crystals on a lithiophobic nanocomposite surface. This approach enables charging in about an hour, competitive with today's lithium-ion batteries and overcoming a significant roadblock to widespread use.
Researchers at North Carolina State University used a new laser technique to improve the performance of lithium-ion batteries. The technique creates tiny defects in graphite material, which can enhance battery performance, increase current capacity by up to 20%, and reduce the risk of fires. However, excessive defects can lead to probl...
A team of A*STAR scientists has successfully upcycled waste polyethylene terephthalate (PET) plastic into polymer electrolytes, key components for safer lithium-ion batteries. The study achieved room temperature conductivity comparable to existing commercial systems and showed promising performance in repeatedly charged and discharged ...
Chemist Alexej Jerschow receives the first Carl Zeiss Humboldt Research Award for his exceptionally broad research approach in nuclear magnetic resonance. He will collaborate with the team of Dmitry Budker at Mainz University and access to EUR 50,000 for activities during his stay in Germany.
A team of researchers developed an efficient strategy to recycle lead from discarded car batteries, creating a new market for recycled lead in high-tech equipment. The resulting photodetectors show excellent stability and fast response speeds, with potential applications in optical communication, chemical analysis, and imaging.
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 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 ...
Researchers at UC Irvine used super-resolution electron microscopy combined with deep machine learning to decipher minute changes in lithium-ion battery materials. This project enables the optimization of high-nickel-content batteries, improving their power and life cycles.
Researchers propose three protection strategies for lithium metal anode to improve Li–S battery cycling stability. The strategies aim to reduce polysulfide concentration, reaction activity, and enhance uniform plating/stripping of Li metal anode.
Researchers developed a novel, efficient, and low-cost strategy to eliminate surface impurity phases in layered nickel-rich materials. The use of acidic treatments with boric acid has been shown to improve the electrochemical performances and reduce capital costs.
Researchers at KAUST developed a high-efficiency metal-free battery using ammonium cations as charge carriers, outperforming existing analogues with a record operation voltage of 2.75 volts. This breakthrough provides potential for lowering battery costs and enabling large-scale applications.
The UCF-developed battery uses saltwater as an electrolyte, eliminating volatile solvents and overcoming limitations of previous aqueous batteries. The novel design allows for fast charging in just three minutes and increased stability, making it a safer and more efficient alternative to traditional lithium-ion batteries.
A team from East China University of Science and Technology has developed a simple, one-step dual-modification strategy to restrain side reactions in nickel-rich layered cathodes. The resulting cathode material exhibits superior electrochemical performance with excellent long-term cycling stability.
Researchers at Pusan National University have developed a highly efficient sodium-ion battery anode using quinacridones, exhibiting high rate capability and excellent cycle stability. The new material is cost-effective and sustainable, offering a promising alternative to traditional graphite anodes.
A new low-tortuosity electrode design for LMO batteries improves lithium-ion diffusion, reduces concentration polarization, and alleviates irreversible phase transitions. This structure gives the battery excellent rate performance and cycling stability, making it a competitive cathode material.
Researchers at the University of Chicago's Pritzker School of Molecular Engineering have used a combination of electron microscopy and computational modeling to understand how lithium-ion batteries degrade. They found that variation between areas of the battery, particularly electrolyte corrosion, leads to faster degradation.
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.
University of Houston researchers aim to develop advanced aqueous batteries with better safety and higher voltage. They offer abundant raw materials, low manufacturing requirements, non-inflammable properties, and high power density.
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 developed a new process to recycle and recondition graphite anodes in lithium-ion batteries, reducing environmental impact. The 'flash' Joule heating process recovers critical metals and enhances the performance of recycled anodes.
Researchers developed a novel separator using graphene oxide, acetylene black and polypropylene to suppress lithium polysulfide dissolution and improve lithium-ion transportation. The new separator enables efficient Li-S batteries with better performance and stability.
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 ...
The Faraday Institution has launched the Battery Parameter eXchange (BPX) standard to provide a common language for accurate battery modeling. Physics-based models can deliver accuracy in long-term performance but have been limited by a lack of a common definition.
Researchers at ORNL developed a cleaner, more efficient method for making high-capacity cathode material without cobalt. The new hydrothermal synthesis approach reduces environmental impact and increases production speed.
Researchers from Japan Advanced Institute of Science and Technology have developed a sustainable, eco-friendly compound to stabilize high-energy density lithium-ion batteries. The microbially synthesized pyrazine diamine compound significantly improves battery performance, reducing degradation and increasing operating potential.
The researchers have developed an AI algorithm called M3GNet that can predict the structure and dynamic properties of any material. The algorithm was used to create a database of over 31 million yet-to-be-synthesized materials with predicted properties, facilitating the discovery of new technological materials.
The proposal aims to provide a central repository for battery test information, enabling researchers to use advanced data science methods to accelerate battery technology development. The availability of open-source information on batteries is limited, but the Battery Data Genome could help address this challenge.
Researchers have developed a new technology that can swiftly put brakes on an overheated Li-ion battery, shutting it down and preventing fires. The material, which uses thermally-responsive shape memory polymer, maintains high conductivity at normal temperatures.
Researchers from Japan and India developed hierarchical nanosheets of titanium diboride as anode material for lithium-ion batteries, achieving high discharge capacities and fast charging rates. The breakthrough showcases the potential of nano-scaling bulk materials to attain promising properties in energy storage.
Researchers from Yokohama National University have developed a flexible film for batteries that can operate reliably in air, offering potential for highly deformable batteries in wearable devices. The film shows excellent oxygen gas impermeability and extremely low moisture permeability, making it suitable for wearable applications.
Researchers from South China University of Technology have developed novel surface modification techniques for nickel-rich layered oxide cathode materials, improving their electrochemical performance. The techniques allow for high-performance nickel-rich cathode materials to be synthesized, enabling in-depth mechanisms to be captured a...
Scientists have created a new type of battery that stores sodium ions in combination with their solvate shell, enabling reversible co-intercalation. This innovation could improve efficiency and performance at low temperatures, making it suitable for alternative cell concepts.
Tracking lithium ion movement in real-time, researchers found uneven lithium storage in promising battery materials leads to reduced capacity and hindering performance. The discovery highlights a key reason why nickel-rich cathode materials lose around 10% of their capacity after the first charge-discharge cycle.
Researchers have discovered an innovative way to enhance the energy efficiency of metal-carbon dioxide batteries by introducing unconventional phase nanomaterials as catalysts. The novel design boosts battery energy efficiency up to 83.8%, contributing to carbon-neutral goals.
Researchers at Oak Ridge National Laboratory have developed low-temperature methods to purify molten chloride salts for energy storage, potentially making them suitable for storing solar thermal energy. They also created an online tool called VERIFI to track industrial carbon emissions and improve energy efficiency.
Researchers at University of Toronto Engineering use supercritical carbon dioxide to recover lithium, cobalt, nickel and manganese from end-of-life lithium-ion batteries. The process matches conventional extraction efficiency while using fewer chemicals and generating less secondary waste.
Researchers developed a 20 μm-thick flexible Li6.4La3Zr1.4Ta0.6O12-based solid electrolyte with high ionic conductance and thermal stability. The electrolyte showed excellent oxidation stability, superior thermal stability, and non-flammability.
Researchers at UT Austin fabricated a new type of electrode using magnets to create vertical alignment, enabling faster charging and potentially doubling range on single charge. The vertically assembled nanosheet networks show superior electrochemical performance due to high mechanical strength and electrical conductivity.
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...
The EU aims to regulate electric vehicle batteries and stationary batteries with more than 2 kWh storage capacity. Researchers warn that design options may fall short of expectations and do harm.
UCI and national lab researchers have created a cobalt-free cathode for lithium-ion batteries that exhibits unprecedented volumetric change, stability over repeated cycles, and high temperatures. The innovative material could lead to safer, longer-lasting power storage for electric vehicles and devices.
Researchers at MIT have developed a new kind of battery using abundant and inexpensive materials, offering a potential solution for large-scale backup power systems. The battery's molten salt electrolyte has been shown to prevent dendrite shorting, a common reliability issue in lithium-ion batteries.
Researchers at Rice University have developed a method to create a thin film coating on lithium anodes using powder brushing, which improves battery life and capacity. The coated anodes retained 70% more capacity after 340 charge-discharge cycles than off-the-shelf batteries.
Researchers have designed superfast charging methods tailored to power different types of electric vehicle batteries in 10 minutes or less without harm. By incorporating charging data into machine learning analysis, the team identified and optimized new protocols that significantly increase energy storage while minimizing battery damage.
Scientists at the University of Chicago discover a method to increase lithium selectivity in olivine iron phosphate using electrochemical intercalation. Seeding electrodes with lithium ions can repel unwanted elements, improving the efficiency of lithium extraction from dilute water resources.
Researchers at Cambridge developed a low-cost optical microscopy technique to study lithium-ion batteries. The method revealed particle cracking issues in fast-charging materials and provided design principles to reduce capacity fade.
A new technique discovered by Boise State University researchers can create novel lithium-ion battery materials with exceptional Li storage and fast cycling. The process starts from an amorphous material, like niobium oxide, which is cycled with lithium to induce a transformation to a crystalline material.
Researchers at Japan Advanced Institute of Science and Technology have developed a novel anode material consisting of black glasses grafted silicon microparticles, which shows great promise in enhancing lithium-ion battery performance and energy storage. The material exhibits high lithium diffusion ability, reduced internal resistance,...
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...
Rensselaer researchers propose a sustainable alternative to lithium-ion batteries by using calcium ions. The new technology has shown promising results in terms of performance and cost efficiency.
Scientists have discovered that there is enough lithium in unconventional water sources to make extraction worthwhile. The composition of these sources affects the performance of emerging electrochemical intercalation technology, providing insights for refining and optimizing it.
Researchers at IISc used widely-used computational techniques to predict and verify migration barrier values in lithium-ion batteries. They propose robust guidelines to choose accurate frameworks for testing materials. The study found SCAN functional had better accuracy overall, while GGA was faster but less accurate.
A team of researchers from Tokyo University of Science has developed a novel multi-proton carrier complex that shows efficient proton conductivity even at high temperatures. The resulting starburst-type metal complex acts as a proton transmitter, making it 6 times more potent than individual imidazole molecules.
A comprehensive new study examines the hydrological impact of lithium mining in Chile's Salar de Atacama, revealing that most water used is decades old. The research highlights the complexity of the region's hydrology and the need for longer-term monitoring to ensure responsible water usage.
Researchers at the University of California San Diego have developed temperature-resilient lithium-ion batteries with high energy density, compatible with high-temperature operation. These batteries could enable electric vehicles to travel farther on a single charge in cold climates and reduce overheating in hot climates.
Engineers at University of Chicago have developed fire-safe, recyclable liquefied gas electrolytes for temperature-resilient lithium-metal batteries. The new technology broadens the choice of electrolyte solvent molecules, enabling excellent low-temperature performance and high-voltage cathodes.
A new battery health assessment indicator SoNA was proposed to evaluate nonlinear aging in lithium batteries. The research developed a multidimensional grading system combining traditional SoH with SoNA to comprehensively assess battery safety and nonlinearity.