Articles tagged with Lithium Ion Batteries
Researchers have developed a predictive model that uses electrochemical data from initial LMB cycles to forecast potential failures. The model identifies early indicators that correlate with different types of anode failure, providing key insights into the failure mechanisms.
Researchers at Rice University found that electrode materials' thermodynamic properties impact energy flow and performance differently. They showed that even with similar structures, some materials degrade faster under identical cycling conditions due to uneven lithium flow.
The Battery Parameter eXchange (BPX) standard has been adopted by leading European organisations, including BMW Group and Fortescue ZERO, to standardise physics-based lithium-ion battery models. The BPX Steering Group will advise the Faraday Institution on future evolution of the standard.
Researchers discover trisulfur radicals as powerful catalysts to boost electrochemical performance of lithium-sulfur batteries. The discovery addresses long-standing challenges, such as the shuttle effect and electrode passivation, making LSBs more viable for widespread adoption.
A new analysis from UC Davis suggests that lithium-ion battery recycling could play a big role in meeting growing global demand for lithium, potentially reducing the need for new mines. Recycling could mitigate supply constraints and reduce carbon emissions associated with combustion engine vehicles.
Scientists at the University of Surrey have developed a breakthrough in eco-friendly batteries that store more energy and capture carbon dioxide. The new lithium-CO₂ 'breathing' batteries use a low-cost catalyst to overcome efficiency issues, potentially leading to widespread adoption and reducing emissions.
Researchers present an intelligent solution to manage complex energy systems, improving frequency stability and reducing settling time by up to 283% compared to traditional controllers. The innovative FO-Fuzzy PSS controller incorporates a specialized washout filter, ensuring smooth operation even during turbulent conditions.
Researchers developed a novel anode material combining hard carbon with tin, enhancing energy storage and stability. The composite structure shows excellent performance in lithium-ion and sodium-ion batteries, promising applications in electric vehicles and grid-scale energy storage.
Researchers developed an intelligent lithium plating detection system using a Random Forest machine learning algorithm, analyzing pulse charging data to identify subtle electrical signatures. The system achieves high accuracy and can be implemented without modifying existing battery systems.
Researchers developed ZTE materials that nearly restore voltage recovery in aging lithium-ion batteries, doubling battery lifespan. The innovation also sheds light on self-healing function design of high-performance devices.
Dongguk University researchers have developed a hybrid anode material for lithium-ion batteries, demonstrating exceptional performance and cycling stability. The innovative composite combines reduced graphene oxide with nickel-iron layered double hydroxides, resulting in a high specific capacity of 1687.6 mA h g−1.
Researchers have developed a new understanding of electrolyte wetting in advanced lithium-ion batteries, revealing the impact of manufacturing processes on wetting behavior. The study provides insights into permeability and capillary forces, offering concrete guidance for optimizing production processes.
Researchers have developed a new understanding of electrolyte wetting in advanced lithium-ion batteries, addressing a critical bottleneck in manufacturing. The study's findings reveal that manufacturing processes impact wetting behavior through key parameters like permeability and capillary forces.
A computational model developed by Weiyu Li explains the phenomenon of lithium plating in fast-charging lithium-ion batteries, which causes degradation or fire. The model provides physics-based guidance on strategies to mitigate plating and optimize charging protocols.
Researchers at the University of Tokyo have developed a simple and cost-effective method to test lithium-ion battery safety, enabling researchers to quickly screen battery effects on safety factors such as materials, design, storage conditions, and degradation. The innovative method uses miniaturized batteries that are intentionally un...
Researchers propose a new sensor that can detect lithium battery leakage with high sensitivity, enabling early warning and protection for safety. The sensor uses a ZIF-8 membrane-coated micro-nano optical fiber to detect trace amounts of electrolyte vapor leakage.
Researchers at the University of Michigan have developed a modified manufacturing process that enables high ranges and fast charging in cold weather. A stabilizing coating on an electrode, combined with microscale channels, solves the trade-off between range and charging speed, even in subfreezing temperatures.
A recent study identified a quasi-conversion reaction on the cathode surface during discharging, leading to accelerated battery degradation. High nickel content exacerbates this effect.
Researchers have developed a new sensor to detect hazardous gas leaks in lithium-ion batteries, which could prevent catastrophic failures and enhance the reliability of battery-powered technologies. The sensor detects trace amounts of ethylene carbonate vapour, targeting potential battery failures before they escalate into disasters.
Researchers developed a novel sulfide-based solid electrolyte with exceptional ionic conductivity, achieving high cycling stability and compatibility with various cathode and anode materials. The study enhances the performance of all-solid-state lithium-ion batteries with wide temperature adaptability and long cycle life.
Researchers investigated zinc electrode dissolution behavior in AZBs, revealing a transformation from 0D to 1D to 2D with increased current density. The study found differences in dissolution rates among various crystal planes, with the (002) plane most resistant and the (110) plane most susceptible.
A Chinese research team has developed a new strategy for recycling spent lithium-ion batteries using a hydrometallurgical process in neutral solution. The addition of glycine improves the leaching efficiency, allowing for the extraction of valuable metals such as lithium, nickel, cobalt, and manganese with high accuracy.
Scientists at King Abdullah University of Science & Technology (KAUST) have discovered a way to increase the performance of lithium-metal batteries by incorporating nylon into the design. This breakthrough could lead to more energy-dense batteries with lower carbon dioxide emissions.
University of Missouri researchers developed a solution to improve solid-state battery performance by understanding the root cause of issues. They used 4D STEM to examine atomic structures without disassembling batteries, ultimately determining the interphase layer was the culprit.
Researchers at HZB have developed a highly porous tin foam that can absorb mechanical stress during charging cycles, making it an interesting material for lithium batteries. The study showed that the morphology of the tin electrodes changes significantly due to inhomogeneous absorption of lithium ions.
Researchers at the University of Leicester have created a technique to extract valuable metals from battery waste using a mix of water and cooking oil. The process enables the recovery of battery-grade metal oxides at room temperature, leaving behind 'black mass' that can be skimmed off to produce pure metal oxides.
Researchers at Tohoku University used MRI to directly observe metal-ion dissolution in lithium battery cathodes, detecting small amounts of manganese with high sensitivity. The technique identified an alternative electrolyte system that suppresses dissolution, promising improvements in battery performance.
University of Texas at Dallas researchers have discovered why LiNiO2 batteries break down during charging and are testing a solution to remove the key barrier to widespread use. They developed a theoretical solution that reinforces the material by adding a positively charged ion, creating pillars to strengthen the cathode.
A new study highlights the need for collaboration among recyclers, manufacturers, and policymakers to develop efficient and sustainable lithium-ion battery recycling processes. Advanced techniques like direct recycling and upcycling could reduce costs by up to 40% while minimizing secondary pollution.
Recycling lithium-ion batteries recovers critical metals, emitting less greenhouse gases and using significantly less water and energy than conventional mining. The study's findings suggest that recycling can help relieve supply insecurity and mitigate climate change by utilizing existing battery sources.
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.
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.
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.
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 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 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 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.
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.
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...
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 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.
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.
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%.
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 $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.
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.
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 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.