Articles tagged with Lithium Ion Batteries
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.
Researchers propose a peer-to-peer system for electric vehicles to share charge while driving, reducing the need for charging stations and lowering travel times. The system uses a cloud-based control system to match vehicles in the same vicinity, allowing them to share charge en route.
Researchers at the University of Surrey have successfully increased the lifespan and stability of solid-state lithium-ion batteries. The new high-density batteries are less likely to short-circuit, addressing a common issue in previous models.
Researchers developed a bumpy carbon-based material that maintains rechargeable storage capacity down to -31 F, improving lithium-ion batteries' performance in freezing temperatures. The new material enables electric cars to drive longer and reduces the risk of battery failure in extreme cold.
Researchers developed an AI technology that merges physical domain knowledge with AI to accurately predict battery capacity and lifespan. The approach improved prediction accuracy by up to 20% and has significant implications for the widespread adoption of electric vehicles.
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.
A new study explores a novel magnesium battery compound with a cathode of Mg2MnO4, achieving an energy density of 335 Wh/kg and surpassing previous records. However, initial capacity loss in charging cycles is noted, highlighting the need for further research to recover lost capacity.
Researchers have developed a polymer composite binder that improves the performance of silicon anodes in lithium-ion batteries. The binder, consisting of P-BIAN and PAA polymers, stabilizes the silicon particles and maintains a thin solid-electrolyte interface layer, resulting in improved discharge capacity and structural integrity.
Scientists have developed a machine learning algorithm that can accurately predict the lifetimes of different battery chemistries using as little as a single cycle of experimental data. The technique could reduce costs and accelerate the development of new battery materials, enabling researchers to quickly evaluate and test multiple ma...
After several dozen charging cycles, the focus shifts from individual electrode particle properties to their interactions. The study identified key attributes contributing to particle breakdown, including particle-particle distance and shape variability.
A research group has synthesized electrode materials for lithium-ion batteries using inexpensive elements, reducing industrial reliance on rare metals like cobalt and nickel. The new materials also show promise in improving the safety of LIBs.
A new report from Oak Ridge National Laboratory identifies supply chain must-haves for maintaining the pivotal role of hydropower in decarbonizing the nation's grid. The report also highlights advances in safer battery technologies and innovative electron microscopy techniques for imaging lithium in energy storage materials.
Researchers at Tohoku University and UCLA have made a breakthrough in high-voltage metal-free lithium-ion batteries using a small organic molecule, croconic acid. The battery has a strong working voltage of around 4V and a high theoretical capacity, potentially leading to more energy-dense and cost-effective batteries.
The study demonstrates a sulfide coating, amorphous Li2S via ALD, that protects the NMC811 cathode and improves capacity retention, rate performance, and mitigates voltage reduction. The coating also removes O2 released from the NMC cathode during charging.
A self-standing mesoporous Si film anode has been developed for lithium-ion batteries, exhibiting excellent performance without the need for additives or binders. The film's pore characteristics show a strong correlation with electrode performance.
Researchers have discovered the opto-ionic effect, where light increases the mobility of ions in ceramic materials, improving the performance of devices such as solid-state electrolytes in fuel cells and lithium-ion batteries. This effect could lead to higher charging speeds and more efficient energy conversion technologies.
Dr. Perla Balbuena's study uses quantum chemical methods to track specific reactions on Li-metal battery surfaces, revealing insights into polymer formation and surface chemistry. The research aims to optimize Li-metal batteries' performance and lifespan by controlling reactivity.
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.
Researchers at Universitat Politècnica de València are working on improving the safety of lithium-ion batteries in electric vehicles. They aim to reduce thermal instability and prevent fires, with potential benefits for the automotive sector and beyond.