Articles tagged with Lithium Ion Batteries
The use of flame retardants in plastic battery enclosures has no demonstrated benefit and poses significant health risks. These chemicals can migrate into the air, house dust, and eventually end up in recycled products, exposing new generations to harm.
A Chinese team proposes adding a soluble catalyst to electrolytes in lithium-air batteries, enhancing charge transport and counteracting electrode passivation. The addition improves the batteries' performance and lifespan by reducing overpotential and increasing discharge capacity.
The partnership aims to develop highly skilled workers to deliver the UK's ambitions for a fully electric future. Three PhD students are funded by Agratas, joining 85 existing researchers in the Faraday Institution's PhD training programme, which equips doctoral researchers with industry expertise.
The article reveals that larger EVs are weighing more than conventional cars and require greater critical minerals to produce, delaying efforts to decarbonize the electricity grid. The growing size of EVs is also making waste processing and recycling hazardous
Researchers created a non-flammable quasi-solid-state battery with improved stability, safety, and longevity. The new design combines liquid and solid electrolytes, demonstrating excellent ionic conductivity, thermal stability, and electrochemical performance.
Researchers have demonstrated the suitability of a new electrode material, lithium titanium phosphate, for use in lithium-ion batteries in cold environments. The material's negative thermal expansion properties facilitate storage and transport of lithium ions, maintaining high performance at low temperatures.
Lithium-sulphur batteries have high specific energy densities but are susceptible to degradation due to polysulphide and sulphur phase formation. Researchers investigated lithium-sulphur pouch cells using operando analysis, revealing new insights into cell component design and performance.
A POSTECH research team developed a groundbreaking strategy to enhance LLO material durability, extending battery lifespan by up to 84.3% after 700 cycles. The breakthrough addresses capacity fading and voltage decay issues.
Researchers developed a new cathode material using MOF-mediated synthesis, achieving over 1000 stable battery cycles with exceptional capacity retention. The material's unique structure boosts electronic conductivity, inhibits Mn dissolution, and improves long-term cycling stability.
Researchers have developed a new sodium-ion battery material that improves performance by 15% and increases energy density to 458 Wh/kg. The material, Na x V2(PO4)3, allows for stable operation and continuous voltage change, making it a promising alternative to lithium-ion batteries.
Researchers at Doshisha University developed porous silicon oxide electrodes that improve the durability and energy density of all-solid-state batteries. The electrodes can withstand repeated charge/discharge cycles without cracking or peeling, making them a promising solution for sustainable energy storage.
Chris Johnson, a senior chemist at Argonne National Laboratory, has been elected as a fellow of the National Academy of Inventors (NAI) for his significant contributions to battery science. He pioneered the development of nickel-manganese-cobalt cathode materials and has published over 150 scientific papers on emerging sodium-ion batte...
A new method developed by Penn researchers uses a chemical-separation technique to extract cobalt from 'junk' materials, increasing the capacity for purified cobalt production with minimal environmental harm. The process avoids harsh chemicals and generates lower costs than traditional methods.
Southwest Research Institute (SwRI) has successfully tested a novel fire mitigation method designed to safely store damaged electric vehicles and batteries. The customized test evaluated the effectiveness of an enclosure's watertight seal, providing valuable data on its performance.
Researchers found that dynamic discharging based on real driving data helped extend battery life, with sharp accelerations slowing degradation. The study suggests a correlation between acceleration and slower aging, contrary to previous assumptions.
Scientists from Tokyo University of Science unveil a new method for improving lithium-ion battery safety and capacity by optimizing the atomic configuration of TiNb2O7. The study reveals that reducing particle size and relaxing network distortion leads to better charging and discharging properties.
Researchers uncover the effects of calendering on silicon-based composite electrodes, revealing increased deformation and cracking with higher calendering levels. This study offers valuable insights for optimizing electrode design and improving battery safety.
Researchers developed a novel method to analyze capacity degradation characteristics and predict the knee point of lithium-ion batteries, enabling effective predictive maintenance and enhancing safety. The study uses neural networks to analyze battery life, which is affected by multiple coupling aging mechanisms.
A new digital twin model for lithium-ion batteries has been developed, offering enhanced simulation accuracy and real-time monitoring capabilities. The model demonstrates exceptional performance in simulating terminal voltage and shell temperature, with minimal mean absolute errors.
A novel data-fusion-model method accurately estimates the state of health (SOH) of Li-ion battery packs based on partial charging curve. The proposed method capitalizes on charging data to track degradation trends, achieving accurate SOH estimation with maximum errors less than 1.5%.
A $50 million consortium, led by Virginia Tech, aims to develop high-energy, long-lasting sodium-ion batteries using abundant and inexpensive materials. The initiative seeks to reduce US dependence on critical elements in lithium-ion batteries, paving the way for a more sustainable future in electric-vehicle technology.
A novel citric-acid-based method has been developed to recycle metals from NCM cathodes with minimal energy usage and lower emissions. The process involves a relatively small amount of citric acid, allowing for efficient separation and reclamation of lithium, nickel, cobalt, and manganese metals.
An international team of scientists identified a surprising factor accelerating lithium-ion battery degradation, leading to reduced charge and potential failure in critical situations. Strategies to reduce self-discharge may include electrolyte additives and cathode coatings to improve battery lifespan.
Researchers at Rice University have developed a novel three-chamber electrochemical reactor that improves the selectivity and efficiency of lithium extraction from geothermal brines. The reactor achieves high lithium purity rates and minimizes by-product formation, offering a promising approach to address growing demand for lithium in ...
A team of scientists leveraged machine learning to find promising compositions for sodium-ion batteries, achieving exceptional energy density. The study trained a model on a database of 100 samples to predict the optimal ratio of elements needed to balance properties like operating voltage and capacity retention.
Researchers at the University of Oxford have developed a miniature, soft lithium-ion battery with features like high capacity, biocompatibility, and biodegradability. The battery was used to power small devices in animal models and demonstrated promising results for wireless and biodegradable devices in clinical medicine.
The improved method achieves high accuracy in lithium-ion battery state of charge estimation, outperforming traditional methods such as Back propagation Neural Network and Long Short-Term Memory. The model's robustness is enhanced through periodic parameter updates based on battery operating conditions.
Researchers developed an innovative electrothermal model to accurately estimate state-of-charge (SOC) and state-of-temperature (SOT) of large-format lithium-ion batteries. The method improves prediction performance in a wide temperature range, reducing the risk of thermal hazards and enhancing vehicle safety.
Researchers at Worcester Polytechnic Institute have discovered a new method to create high-performance alkaline batteries using iron and silicate. The process suppresses hydrogen gas generation, improving the energy efficiency of battery systems.
Researchers at Argonne National Laboratory have developed innovative electrolytes that can improve the efficiency of electrochemical processes, including steel production. The new electrolytes are designed to reduce greenhouse gas emissions by eliminating energy-intensive blast furnaces.
A new, low-cost cathode material developed by Georgia Tech's Hailong Chen could transform the electric vehicle (EV) market and large-scale energy storage systems. The iron chloride (FeCl3) cathode costs a mere 1-2% of typical cathode materials and can store the same amount of electricity.
Researchers at Japan Advanced Institute of Science and Technology developed a densely functionalized polymeric binder for high-performance lithium and sodium-ion batteries. The new material showed exceptional electrochemical performance, high capacities, and great cycle stability.
Researchers at Argonne National Laboratory have validated a cathode hydrogenation mechanism as the cause of self-discharge in lithium-ion batteries. This discovery could lead to the development of smaller, lighter and cheaper batteries with improved lifespan.
Researchers have discovered the underlying mechanism behind lithium-ion battery degradation, which could lead to longer-lasting EV batteries and advanced energy storage technologies. The study's findings have the potential to address challenges faced by EV manufacturers, including limited driving range and shorter battery lifespan.
Researchers at Chalmers University of Technology have created a world-leading structural battery that can halve the weight of laptops and make mobile phones as thin as credit cards. The battery has increased its stiffness, allowing it to be used in vehicles, increasing their driving range by up to 70 percent on a single charge.
A new framework uses multiphysics and machine learning models to predict lithium-ion battery overheating and prevent thermal runaway. This could be integrated into an electric vehicle's battery management system to stop a battery from overheating, protecting drivers and passengers.
A new type of gel developed by MLU chemists improves the safety and service life of lithium-ion batteries. Initial lab studies show that it also enhances battery performance, remaining stable at over five volts.
A new technology can extract lithium from brines at an estimated cost of under 40% that of today's dominant extraction method. The approach uses redox-couple electrodialysis and is expected to be relatively inexpensive due mostly to lower capital costs.
Researchers at TU Graz have observed where lithium ions are stored and released from battery material during charging and discharging cycles. They found that even fully charged batteries retain lithium ions in the crystal lattice of the cathode, leading to a capacity loss. This knowledge can help increase battery capacity further.
Researchers developed a model to accurately predict the cycle lives of high-energy-density lithium-metal batteries using machine learning methods. The technique is expected to improve safety and reliability in devices powered by these batteries.
A new process by Rice University researchers recovers up to 50% of lithium in spent LIB cathodes in just 30 seconds, overcoming a significant bottleneck in LIB recycling technology. The microwave-based method uses a readily biodegradable solvent and achieves efficiencies similar to conventional heating methods but much faster.
A research team at Rice University has pioneered a new method to extract purified active materials from battery waste, enabling efficient separation and recycling of valuable battery materials. The technique uses solvent-free flash Joule heating to create unique features with magnetic shells and stable core structures.
Scientists develop fully solid, stretchy battery with 5000% expansion capacity, outperforming traditional liquid electrolyte designs. The new design boasts higher average charge capacity and improved stability over 67 cycles.
Researchers have developed low-cost micro-sized silicon anodes from recycled photovoltaic waste using a novel electrolyte design. The new anodes exhibit remarkable electrochemical stability, maintaining an average coulombic efficiency of 99.94% after 200 cycles. This breakthrough addresses the major challenges facing micro-sized silico...
The new COMET centre Battery4Life aims to enhance the safety, lifespan, and eco-friendliness of batteries. By leveraging artificial intelligence and state-of-the-art test facilities, researchers will develop methods for assessing used battery safety and exploring sustainable reuse options.
Researchers at ETH Zurich have developed a new method to reduce fluorine in lithium metal batteries, increasing their stability and efficiency. The new design requires only 0.1% by weight of fluorine, reducing the environmental footprint of these high-energy batteries.
Researchers found raw material demand for electric vehicles will nearly double by 2050 if current trends continue. Implementing circular economy strategies such as ride-sharing, recycling, and solid-state batteries can halve resource demand or maintain it at 2015 levels.
Researchers at Pohang University of Science and Technology have developed a gel electrolyte-based battery that significantly reduces gas generation during charging and discharging processes. The new technology maintains its capacity even after 200 cycles, demonstrating enhanced safety and durability.
Researchers developed a unique electrochemical ultrasonic force microscopy (EC-UFM) technique to observe sodium-ion battery interfaces during operation. The new method guides passivating layer formation, preserving charge carrier transport and enhancing battery performance.
Researchers proposed an active equalization strategy to minimize cell inconsistencies in series-connected lithium-ion battery packs. The strategy utilizes a dual threshold trigger mechanism and energy transfer path optimization, significantly reducing cell inconsistencies and enhancing pack performance.
Researchers have developed a new method in spectromicroscopy to investigate chemical species adsorbed on MXene surfaces and intercalated within the material. This technique, Scanning X-ray microscopy (SXM), enables high chemical sensitivity and has provided detailed insights into the chemical composition and structure of MXenes.
A new method for extracting lithium from more dilute sources has been developed by researchers at the University of Chicago Pritzker School of Molecular Engineering. The approach uses iron phosphate particles to selectively isolate lithium over sodium, resulting in a more efficient and environmentally friendly process.
Researchers at Oregon State University have developed a new cathode material for lithium-ion batteries using iron, which could lead to lower costs and increased sustainability. The iron-based cathode offers higher energy density than current materials and uses iron as the cheapest metal commodity.
Researchers at Linköping University have developed a battery based on zinc and lignin that can be used over 8000 times, retaining its charge for approximately one week. The battery is stable and easily recyclable, making it a promising alternative to lithium-ion batteries.
Researchers at Hokkaido University have developed a cost-effective and high-capacity cathode material for lithium-ion batteries by doping abundantly available elements, such as aluminum and silicon. The addition of these elements forms strong covalent bonds, enhancing the material's cyclability and capacity retention.
Researchers have created a more economical and sustainable rechargeable battery using an ultralow-concentration electrolyte. The new electrolyte, based on lithium difluoro(oxalato)borate and ethyl carbonate/dimethyl carbonate, has a record-breaking low salt content while maintaining high ionic conductivity.
Researchers at KAIST have developed a hybrid sodium-ion battery with high energy and power density, enabling rapid charging in under a few seconds. The new battery technology has the potential to revolutionize energy storage for electric vehicles and other applications.
Researchers at Osaka Metropolitan University developed a process to create solid sulfide electrolytes with world-high sodium ion conductivity and glass electrolytes with high reduction resistance. This breakthrough enhances the practical use of all-solid-state sodium batteries.
A recent study found that pulsed charging improves lithium-ion battery stability and lifespan. The study, led by Philipp Adelhelm, demonstrated that high-frequency pulsed current reduces ageing effects and structural changes in the electrode materials, leading to a doubled cycle life with 80% capacity retention.
Researchers have discovered a new type of pyrochlore-type oxyfluoride with high ionic conductivity and air stability, suitable for electric vehicles, airplanes, and miniaturization applications. The material exhibits low activation energy and operates within a wide temperature range.