Articles tagged with Lithium Ion Batteries
Researchers at Rice University have developed clay-based electrolytes that can supply stable electrochemical power in temperatures up to 120 degrees Celsius, addressing a challenge for rechargeable lithium-ion batteries. The materials offer thermal stability and wetting properties, enabling good contact with electrodes.
Lawrence Livermore National Laboratory scientists discovered that hydrogen-treated graphene nanofoam electrodes improve lithium ion battery performance by increasing capacity and facilitating easier lithium penetration. This breakthrough has real-world applications for electric vehicles and aerospace applications.
A team of Penn State researchers has created a simple mathematical formula to predict the most influential factors in lithium-ion battery aging. The formula takes into account state of charge, charging/discharging frequency, operating temperature, and current to estimate battery degradation.
Silicon-based lithium-ion batteries with a 40-60% increase in energy density could power smartphones up to 500 km without recharging. The eco-friendly technology reduces battery weight and enhances vehicle performance.
A new discovery at Oregon State University has shown that potassium can work effectively with graphite in a potassium-ion battery, potentially posing a challenge to the widely-used lithium-ion battery. The findings could lead to a more sustainable and cost-effective energy storage solution.
A new safe and sustainable cathode material has been identified for low-cost sodium-ion batteries, addressing instability issues and paving the way for commercialization. The material's structure allows for sodium to be inserted and removed while retaining its integrity, enabling further development of sodium-ion batteries.
Researchers at Case Western Reserve University have developed a system that directly charges lithium-ion batteries with solar cells, achieving an efficiency of 7.8%, the most efficient reported to date.
Two new battery technologies, sodium-ion and lithium-sulfur, are poised to compete with lithium-ion batteries in the electric car market. Faradion's sodium-ion version and Oxis Energy's lithium-sulfur technology aim to match lithium-ion performance, safety, and costs within the next two to four years.
Researchers at the University of Tokyo have discovered the structure and transport properties of the intermediate state in lithium-ion batteries. This finding may help accelerate battery reaction speed and significantly shorten battery charging time.
Twin boundaries, naturally occurring defects in materials, can act as energy highways to enhance lithium-ion battery performance. Researchers have discovered that these defects can transport lithium ions more efficiently, leading to better battery life.
A UCL-led team used high-energy synchrotron X-rays and thermal imaging to track lithium-ion battery damage in real-time. The study found that internal structural damage can spread to neighboring batteries, causing severe failure.
Researchers used X-ray fluorescence to visualize structural damage in lithium-ion batteries due to fast charging cycles, leading to reduced storage capacity. The study found that even a few charging cycles cause damage to the inner structure of the battery material.
Researchers at Stanford University have developed a rechargeable aluminum battery that offers a safe alternative to commercial batteries. The new technology boasts ultra-fast charging times of just one minute and can withstand over 7,500 charge-discharge cycles without losing capacity.
Researchers have successfully imaged the formation and growth of lithium dendrites, which can cause battery degradation. The team's microscopy technique allows for real-time analysis and precise measurements of electrochemical performance.
Researchers developed a new method to stabilize 3DOm carbon, which can improve the performance of lithium-air batteries. This breakthrough enables energy storage with five to 10 times more energy density than current state-of-the-art lithium-ion batteries.
Researchers at the University of California, Riverside have developed a novel paper-like material composed of silicon nanofibers to boost lithium-ion battery performance. The material has the potential to increase specific energy by several times, making it suitable for electric vehicles and personal electronics.
Researchers have made a breakthrough in understanding liquid electrolytes used in lithium-ion batteries. They found that the actual solvation environment of lithium ions is non-tetrahedral, contrary to previous predictions. This discovery could lead to more efficient and better-performing electrolytes.
The researchers found that sodium storage capacity of paper electrodes depends on the distance between individual layers, which can be tuned by heating it in argon or ammonia gas. They successfully demonstrated a flexible paper composed entirely of graphene oxide sheets that can charge and discharge with sodium-ions for more than 1,000...
Researchers created a 'smart' separator with a nanolayer of copper that detects shorting and provides early warning before overheating and bursting into flames. The technology aims to reduce battery fires, which have caused concerns in the aviation and electronics industries.
Scientists at NTU Singapore have created a new battery that can be recharged up to 70 percent in only 2 minutes, with a lifespan of over 20 years. This breakthrough enables electric vehicles to charge 20 times faster than current technology, reducing recharge time from over 4 hours to under 15 minutes.
Using a neutron beam, researchers at Ohio State University track lithium atoms in real time as batteries charge and discharge. This technique, called neutron depth profiling, may help explain why rechargeable batteries lose capacity over time.
Lithium-ion battery researchers observed the phenomenon of 'lithium plating' during charging, which can cause short-circuits and reduce battery performance. The study used neutron diffraction to investigate the mechanism at work, shedding light on how lithium plating occurs and potentially paving the way for faster-charging batteries.
Scientists at Oak Ridge National Laboratory have created a more efficient anode for lithium-ion batteries using recycled tire-derived carbon black, with improved capacity and stability. The novel method could lead to cheaper, environmentally friendly batteries for various applications.
Researchers at Stanford University have developed a protective layer of interconnected carbon nanospheres to protect the unstable lithium from drawbacks, enabling the design of a pure lithium anode. The breakthrough could lead to more efficient and longer-lasting rechargeable batteries with improved capacity and reduced safety risks.
Researchers developed a porous silicon material to replace traditional graphite in lithium-ion batteries, allowing for more energy storage capacity and longer runtime. The new material maintained over 80% of its initial capacity after 1,000 charge-and-discharge cycles.
A team of researchers at the University of California, Riverside has created a novel method to produce high-performance lithium-ion battery anodes using sand. The innovative technique, which involves milling and purifying quartz from sand, results in a porous nano-silicon material that improves battery lifespan up to three times.
Researchers at NREL created high-performance, binder-free electrodes using carbon-nanotube-based materials to improve battery life and performance. The technology has attracted interest from industry and is being licensed for volume production.
UC Riverside researchers create three-dimensional silicon-decorated carbon-nanotube clusters architecture for high reversible capacity and excellent cycling stability. The innovative design enables rapid charging times, nearly 16 times faster than conventional graphite-based anodes.
Researchers at UC Riverside have developed a new lithium-ion battery material with over three times the energy storage capacity of current carbon-based anodes. This innovation has significant implications for industries like electronics and electric vehicles.
The USC Viterbi team created a low-cost silicon anode that offers high electrode performance for rechargeable lithium-ion batteries. They also developed a method to coat sulfur powder with graphene oxide, improving the performance of lithium-sulfur batteries.
Scientists at UNC Chapel Hill have identified a nonflammable alternative to the inherently flammable electrolyte used in current lithium-ion batteries, paving the way for safer and more efficient electric vehicles. The new material, PFPE, exhibits unique properties that make it an ideal replacement, with potential applications in aeros...
A new anode design for lithium-sulfur batteries quadruples their lifespan, bringing them closer to commercial use. The hybrid anode's development could enable longer electric car drives and cheaper storage of renewable wind energy.
The International Conference on Airworthiness and Fatigue explored the importance of energy efficiency in aviation transport, focusing on mechanical, electrical, and chemical effects. Researchers emphasized the need for 'Multiscaling and Mesomechanics' to balance these effects and ensure system stability.
Researchers at Berkeley Lab have developed a lithium-sulfur (Li/S) battery with more than twice the specific energy of lithium-ion batteries and up to 1,500 cycles without significant capacity loss. The battery's high performance makes it promising for electric vehicles with long driving ranges.
Researchers at UT Arlington are working on a $152,077 Office of Naval Research grant to improve the thermal properties of lithium-ion batteries. They aim to devise better designs for cooling and operating these batteries safely in high-power applications, reducing the risk of fires and battery degradation.
Researchers at North Carolina State University have created a new flexible nano-scaffold using aligned carbon nanotubes to improve the stability of rechargeable lithium-ion batteries. The design shows promise in increasing battery capacity and reducing pulverization, a significant challenge in using silicon as an electrode material.
Japan's high-tech companies excel in producing components for lithium-ion batteries and LCD films, with financial performance outpacing the rest of the chemical industry.
Sandia National Laboratories researchers found that charging and discharging rates are limited by phase transformation initiation, contradicting previous assumptions. They used X-ray microscopy to study ultrathin slices of a commercial-grade battery, revealing a mosaic pathway of lithium-ion movement.
Scientists at TUM have synthesized a novel framework structure consisting of boron and silicon, which could serve as an electrode material. The LiBSi2 framework has channels that allow for the storage and release of lithium atoms, making it a promising alternative to pure silicon.
Researchers developed a new technique for producing low-cost, high-capacity lithium-ion batteries using silicon-based electrodes. The unique nanoscale architecture of the silicon-composite electrode creates an electronically conducting pathway, allowing for exceptional electrochemical stability.
A new study suggests that Li-ion battery disposal can lead to environmental and human health threats due to the release of toxic materials. The American Chemical Society recommends stronger government policies to encourage recovery, recycling, and reuse of lithium-ion battery materials.
Researchers at Rice University found that adding boron to graphene improves its ability to store lithium ions, resulting in a capacity two times larger than graphite. The discovery also enables the material to hold a proper voltage, making it suitable for commercial use.
Researchers at Purdue University have developed a new technique to detect flaws in lithium-ion batteries during manufacturing, including uneven coating and thickness variations. The 'flash thermography measurement' method uses heat and thermal imaging to quickly identify defects, which can impact battery life and reliability.
The study found that lithium-ion battery performance begins to suffer at temperatures above 86 degrees Fahrenheit, and proper charging habits can extend its life. The researchers recommended second-life applications for batteries after they reach their full capacity, such as utility storage or recycling.
Scientists have created a three-dimensional map of electrode materials in lithium-ion batteries, revealing their unique structures and impact on charging speeds. The study's findings suggest that using round particles instead of plate-like ones can significantly improve the battery's performance.
Researchers at Purdue University have developed a theoretical framework to control dendrite growth in lithium-ion batteries, which can cause internal shorts and fires. The new approach could lead to faster charging times and improved safety.
A new stretchable lithium-ion battery has been developed by Northwestern University researchers, enabling true integration of electronics and power into a small, stretchable package. The battery can be stretched up to 300 percent of its original size without losing functionality.
Scientists at ORNL developed a high-performance, nanostructured solid electrolyte for more energy-dense lithium ion batteries, overcoming safety concerns and size constraints. The ability to use pure lithium metal as an anode could yield batteries five to ten times more powerful than current versions.
Researchers develop efficient methods for creating nanomaterials and lithium-ion batteries using graphene films grown on copper and nickel foils. Graphene-based battery shows improved performance due to well-defined Bernal Stacking, while tungsten disulfide nanosheets store and release lithium ions through conversion reactions.
Assistant professor David Kisailus develops nanoscale materials using the chiton's radula, a conveyor belt-like structure with 70-80 parallel rows of teeth. The resulting materials can improve the efficiency of solar cells and lithium-ion batteries.
Assistant mechanical engineering professor Halel Ardebili has received a $400,000 NSF CAREER award to study the fundamental science behind flexible, stretchable batteries. Her research aims to develop battery components with optimal stability and performance for various applications.
Researchers from City College of New York have developed a non-toxic and sustainable lithium-ion battery powered by purpurin, a natural plant dye extracted from the madder plant. The battery's production process is simpler and less expensive than traditional Li-ion batteries, with fewer environmental risks.
Researchers at Rice University have discovered that the madder plant's purpurin can be used as a natural cathode for lithium-ion batteries, offering an environmentally friendly alternative to conventional batteries. The team has built a half-battery cell with a capacity of 90 milliamp hours per gram after 50 charge/discharge cycles.
A Kansas State University doctoral student is developing a high-performance nanostructure of silicon coated onto carbon nanofibers to improve lithium-ion batteries. The material stores roughly 10 times the energy of current electrodes, resulting in a 10-15 percent improvement in battery technology.
A team of engineers at Washington University in St. Louis will receive $2 million to design a battery management system for lithium-ion batteries, guaranteeing their longevity and safety. The project aims to push the current technology to 100-percent efficiency while maintaining battery lifetime.
Researchers at Ruhr-University Bochum are developing an aqueous lithium-ion battery that could improve the performance, lifespan, and price-performance ratio of existing batteries. The goal is to produce a more efficient and cost-effective energy storage device for use in power supply systems.
Researchers at Sandia National Laboratories have developed a new family of liquid salt electrolytes called MetILs, which could lead to batteries storing three times more energy than today's batteries. The breakthrough may help integrate large-scale intermittent renewable energy sources into the nation's electric grid.
Researchers at KIT develop a new concept for rechargeable batteries based on fluoride shuttles, increasing storage capacity by several factors. The fluoride-ion battery offers improved safety properties without lithium, with potential applications in mobile devices.
Scientists have developed a fast-recharge, three-dimensional lithium-ion battery that recharges in minutes, not hours. The new battery has a longer lifespan and can store more energy per unit volume, making it ideal for electric cars.
Scientists have developed a new high-performance lithium-ion battery that stores large amounts of energy in a small space, making it suitable for powering electric vehicles. The innovative battery has a high rate capacity, enabling it to provide current even in extreme temperatures.