Articles tagged with Lithium Ion Batteries
A new adaptive charging strategy for lithium-ion batteries reduces battery degradation and improves efficiency. The strategy uses real-time monitoring and adjusts charging currents to prevent lithium plating, resulting in improved charge capacity utilisation and charging efficiency.
Researchers at MIT have developed a low-temperature process to extract battery-grade lithium from hard rock minerals, minimizing waste and costs. The closed-loop system can produce useful materials, including lithium salts, alumina, and silica, with an estimated cost reduction of half compared to traditional methods.
Researchers find popular sodium-ion battery matches performance parameters and production quality of Tesla's lithium-ion batteries. Tweaking the Hina battery to charge more effectively at low temperatures could provide a cost-effective alternative for future electric vehicle batteries.
A new Northwestern University study finds that most proposed US lithium mines could face significant water shortages, posing challenges to the country's growing industry. Climate change and competition for resources exacerbate existing water stress in areas like southern California and Nevada.
Researchers at the University of Rochester developed a solar-thermal desalination process that produces fresh water in an energy-efficient way, eliminating brine and requiring no chemical additives. The technology extracts nearly 100% of salts in solid form, producing table salt and precious minerals like lithium.
Researchers have overcome key safety and durability barriers in sodium-ion batteries by using a simple additive of graphitic carbon nitride. The additive promotes flexible, disordered zones where sodium ions move more freely and reduces polarisation, improving battery efficiency and stability. This breakthrough opens a scalable pathway...
Researchers at Worcester Polytechnic Institute develop a one-step molten salt upcycling process to transform spent nickel cathodes into high-performance materials for next-generation lithium-ion batteries. This approach reduces recycling costs and energy demands while increasing the value of recovered materials.
Researchers at Chalmers University of Technology developed an AI method that adapts fast charging to the health of the battery, increasing its lifespan by almost 23%. The new strategy uses reinforcement learning and takes into account the battery's chemistry and state of health.
Scientists analyzed a TiS2|Li3YCl6 half-cell in operando at BESSY II and discovered that intrinsic oxygen causes rapid capacity loss. Oxygen-containing species migrate to the cathode current collector, forming an amorphous layer rich in titanium oxides.
A team of Rice University researchers has developed a faster and more energy-efficient way to recover critical minerals from spent lithium-ion batteries. The new method uses aqueous solutions of amino chlorides, which can extract valuable metals in minutes rather than hours.
The review maps the most promising routes for recycling spent LiFePO4 batteries, focusing on pretreatment, impurity control, direct regeneration, hydrometallurgy, and selective auxiliary processes. It highlights hydrometallurgy as a promising strategy for large-scale recovery needs.
Max Planck researchers have discovered how microscopic dendrites induce fractures in solid-state batteries, leading to short circuits. By understanding the counterintuitive phenomenon of dendrite formation, they've identified potential strategies to prevent or delay cracking.
Professor Shirley Meng will lead NTU's industry engagement efforts, forging partnerships with global companies and establishing joint research institutes worldwide. She brings expertise in integrated battery performance, safety, and sustainability, driving interdisciplinary collaborations and championing fundamental sciences for real-w...
Recent progress in advanced energy manufacturing highlights 3D printing's potential to redefine next-generation lithium batteries. The technology enables precise control over three-dimensional structures, improving ion-transport pathways and mechanical robustness.
Researchers propose a Fourier graph neural network to estimate lithium-ion battery state of health, capturing spatial and temporal feature relationships. The model achieves significant reductions in error compared to existing methods, suggesting improved accuracy and transferability.
Researchers developed a rapid battery-capacity estimation method using early voltage response during the first discharge cycle. The approach extracts electrochemical signatures related to battery condition and enhances features to improve prediction accuracy, reducing testing time by over 80%.
Battery performance is critical to electrified transportation and green energy systems. Real-world diagnostics are challenging due to complex environments and varying data quality. The review emphasizes the need for adaptive models and AI integration to improve battery status prediction.
A novel active equalization scheme uses path planning to address cell inconsistency in battery packs, improving equalization speed, accuracy, and robustness. The approach combines flexible topology with graph-based energy-transfer modeling and adaptive battery grouping to reduce energy loss and improve overall pack performance.
Researchers have developed an electrochemical impedance spectroscopy (EIS) identification algorithm to reconstruct EIS at low frequencies using short-duration sine-wave current pulses. The approach enables accurate state-of-charge estimation for LiFePO4 batteries, which is essential for battery management systems.
Researchers propose an efficient feature search approach for estimating lithium-ion battery state of health, reducing reliance on manually selected aging features. The method combines Bayesian optimization and ensemble regression to improve accuracy and robustness.
Researchers have developed a multi-fidelity framework combining coupled degradation mechanisms with machine learning to predict battery lifespan. The framework addresses the challenge of making reliable forecasts before long-term aging data are available, enabling safer operation and better-informed decision-making.
Researchers developed a two-step diagnostic strategy to detect subtle abnormal behavior in lithium-ion batteries. The method combines Hellinger distance with an Inverse Markov Method to identify micro short circuits that can lead to serious safety failures and thermal runaway.
The integrated framework combines incremental capacity analysis with image feature transformation and a hybrid machine-learning pipeline to improve SOH estimation accuracy. It achieves an RMSE of 1.76% on the NASA dataset and shows robustness when operating conditions shift, suggesting better generalization across different datasets.
Researchers developed a three-dimensional electro-thermo-mechanical model to quantify the swelling force generated by lithium-ion batteries during charging. The model accurately identifies and quantifies swelling force, offering a new tool for improving battery safety.
Researchers have discovered that lithium dendrites in batteries are unexpectedly strong and brittle, causing short circuits and safety risks. The findings suggest that future battery design must change to improve safety and reliability of high-energy storage systems.
A team of researchers has developed rechargeable batteries using biomass-based materials, including sunflower seed shells, as an alternative to lithium-ion batteries. The batteries achieved competitive results with low environmental impact and can store sufficient energy.
Researchers developed a novel lithium-ion battery anode that stores more than 3500 milliampere-hours per gram, outperforming current graphite-based batteries. The new design, VISiCNT, features a vertically integrated silicon-carbon nanotube structure that maintains performance and stability over hundreds of charge cycles.
Binghamton University Distinguished Professor M. Stanley Whittingham has been elected as an AAAS Fellow for his groundbreaking work on intercalation chemistry and its applications to lithium-ion batteries. This honor recognizes his contributions to advancing science and promoting scientific progress.
Researchers at Rice University have developed a new method to recover nearly all critical minerals from spent lithium-ion batteries, including metals like lithium and graphite. The process uses microwave-induced plasma treatment with room-temperature solvents, resulting in high recovery rates and minimal environmental impact.
Researchers discovered that faster dendrite growth is associated with lower stress levels in a commonly used battery electrolyte material, revealing chemical reactions as a new culprit behind the problem. The study provides guidance for designing stronger electrolytes to make solid-state batteries successful.
The NSF Energy Storage Engine has received $45 million over three years to advance next-gen battery and energy storage systems. It will focus on safety, cost efficiency, and AI integration in manufacturing.
Researchers directly measured lithium dendrites' mechanical strength, finding they exhibit unexpectedly high strength and brittle behavior under stress. The study provides insights into how dendrites respond to physical stresses within a battery cell, shedding light on the challenge of scale and access that hindered previous research.
UT Austin researcher Arumugam Manthiram is working to advance lithium-ion battery technology by understanding the chemistry of oxide cathodes. His research aims to develop more efficient and environmentally friendly battery materials, addressing supply chain disruptions and high costs.
Researchers at Washington University in St. Louis developed an operando microscopy platform to study lithium plating in batteries. The platform revealed the conditions under which plating occurs, allowing for the development of performance maps to optimize fast-charging protocols and enhance battery performance.
Developing high-performance Ni-rich cathode materials is crucial for achieving single-cell energy densities exceeding 400 Wh kg‑. A research team synthesized quinary full-concentration-gradient cathodes using an in-situ co-precipitation strategy, featuring a Mn-rich, Ni-poor surface and radially aligned primary particles.
A new method allows for precise visualization of modern polymer binders in negative lithium-ion battery electrodes. The study found that small changes in binder distribution can significantly affect charging efficiency and battery lifespan.
Researchers at City University of Hong Kong have developed a new range of battery materials that offer enhanced energy density, extended lifespan and reduced costs. The team's innovative approach focuses on stabilising the honeycomb structure by incorporating additional transition metal ions into the cathode material.
Researchers at Columbia University have developed a faster, cheaper, and more environmentally friendly way to extract lithium. The new method uses temperature-sensitive solvent to extract lithium directly from brines found in deposits across the world.
Researchers from HKUST have developed a mechanically interlocked molecule-based material for lithium metal batteries, showcasing exceptional room-temperature ionic conductivity and Li+ transference number. The material demonstrates high energy density, stability, and longevity in practical tests.
Researchers at the Paul Scherrer Institute have achieved a breakthrough in developing all-solid-state batteries with high energy density and durability. They successfully densified the solid electrolyte using gentle sintering and applied a thin passivation layer to prevent lithium dendrite formation.
A breakthrough in carbon-based battery materials has improved safety and performance by re designing fullerene molecule connections. This research provides a blueprint for designing next-generation battery materials that support safer fast-charging, higher energy density, and longer lifetimes.
Researchers developed an anode-free lithium metal battery that delivers nearly double driving range using the same battery volume. The battery's volumetric energy density of 1,270 Wh/L is nearly twice that of current lithium-ion batteries used in electric vehicles.
A new hybrid anode technology has been developed that delivers higher energy storage while reducing thermal runaway and explosion risks. The 'magneto-conversion' strategy applies an external magnetic field to ferromagnetic manganese ferrite conversion-type anodes, promoting uniform lithium ion transport and preventing dendrite formation.
Scientists used a valence engineering strategy to modify NaNi <sub> 1/3 </sub> Fe <sub> 1/3 </sub> Mn <sub> 1/3 </sub> O <sub> 2</sub> material, resulting in batteries that last longer and work well in wide temperature ranges
Researchers found that sodium-ion batteries using hard carbon negative electrodes can reach faster charging rates than lithium-ion batteries, thanks to the pore-filling mechanism. This process is limited by the efficiency of ion aggregation within the electrode's nanopores, which requires less energy for sodium insertion.
Researchers have uncovered root causes of battery failure, including nanoscopic strains that lead to cracking. The study identifies distinct mechanical failure modes and composition requirements for single-crystal cathodes.
A new study proposes a two-stage decision-making framework for lithium governance in Latin America, highlighting the role of external pressures, internal politics, and industry development. The research suggests that engagement strategies must consider these factors to succeed in the region.
Researchers at Edith Cowan University are using artificial intelligence (AI) to solve a major roadblock in solid-state battery technology. By leveraging machine learning models, they can predict how materials will behave and identify better interface designs.
Researchers from POSTECH found that aluminum reduces internal structural distortion in cathodes, preventing oxygen holes and shortening battery life. By adding a small amount of aluminum, the team extends battery lifespan while improving energy density.
A new study shows that lithium can be recovered from battery waste using an electrochemically driven recovery process, which demonstrates economic viability with the potential to simplify operations. The method has been tested on commonly used types of lithium-containing batteries and produces recovered lithium at a cost comparable to ...
A joint research team from NIMS and Toyo Tanso has developed a carbon electrode that achieves higher output, longer life and scalability for practical lithium-air batteries. The electrode's hierarchically controlled porous structure results in high-output operation and improved durability.
A new recycling process recovers nearly all valuable materials from used batteries with high purity, requiring less energy, chemicals, and costs compared to existing methods. The two-step flash Joule heating method separates lithium and transition metals quickly and cleanly.
Researchers have discovered a key factor that determines whether a lithium-ion battery can charge and discharge reversibly, enabling the rational design of electrolytes. The new metric enables efficient prediction of an electrolyte's suitability and accelerates improvements in battery performance.
Researchers develop a game-changing magnetic analysis method to authenticate lithium-ion batteries onboard vehicles, ensuring safety and reliability. The breakthrough enables instant detection of counterfeit or low-quality batteries without invasive checks.
Researchers developed a new P2D-coupled non-ideal double-layer capacitor model to analyze lithium-ion batteries under high-frequency periodic signal excitation. The model considers neglected electric double-layer capacitance and its dispersion effects, enabling more accurate mechanism analysis and performance degradation assessment.
Researchers designed a SPAN||Gr battery system with an optimized N/P ratio, achieving increased energy density. The anion-mediated electrolyte LH enabled stable electrochemical kinetics and improved cycle life. Lithium deposition on graphite showed a compact and smooth morphology in the LH system.
A team of engineers at Rice University has developed a cleaner approach to recycling lithium-ion battery waste by recharging the cathode materials. The process produces high-purity lithium hydroxide with minimal energy consumption, making it a promising solution for sustainable battery production.
A glassy metal-organic framework coating accelerates ion desolvation, stripping solvent molecules from lithium ions, while a second layer enables rapid transport into the graphite bulk. This synergistic design results in unprecedented fast-charging performance, with batteries maintaining high capacity and stability.
Researchers at Penn State have proposed an all-climate battery design that optimizes performance for extreme temperatures. The novel approach incorporates an internal heating element to support stable operation in cold environments while maintaining high stability and safety in hot environments.