Articles tagged with Lithium Ion Batteries
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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.
Scientists have created tiny energy storage devices, no bigger than a grain of sand, with the potential to power micro- and nano-scale devices. The new batteries are part of a larger effort to miniaturize lithium-ion technology, which could lead to breakthroughs in fields like medicine and electronics.
Rice University scientists have created a new type of silicon anode that can store more than 10 times the amount of lithium as current graphite-based anodes. The breakthrough could lead to significant increases in battery performance and lifespan, making electric cars more efficient and cost-effective.
Scientists have made progress in developing improved materials for high-performance, rechargeable lithium-ion batteries that can be woven into clothing. These conformable batteries could provide power for a range of devices, including smartphones and GPS units.
Researchers at MIT developed a new electrode material using carbon nanotubes, showing a significant increase in power capacity and stability. The material enables high-power outputs with good conductivity and efficient lithium storage.
Researchers at Cambridge have developed a way to visualize chemistry in lithium-ion batteries using Nuclear Magnetic Resonance (NMR) spectroscopy. This technique could help identify the formation of dendrites, which cause short circuits and fires, enabling the development of safer battery technologies.
A team of MIT researchers has made significant progress on lithium-air batteries by identifying metal catalysts that can improve efficiency and increase energy density. The study finds that electrodes with gold or platinum catalysts show higher activity and efficiency than simple carbon electrodes.
A new high-performance anode structure based on silicon-carbon nanocomposite materials has been developed, significantly improving the performance of lithium-ion batteries. The self-assembly technique creates rigid spheres with open internal channels that allow for rapid entry of lithium ions and accommodate expansion without cracking.
A new anode material made from titanium Nanonets coated with silicon particles demonstrates higher speed, capacity and longevity. The material shows a charge/re-charge rate five to 10 times greater than typical Lithium-ion anode materials.
Researchers at Argonne National Laboratory have won two R&D 100 Awards for their work on ultra-high power lithium-ion batteries and ultrananocrystalline diamond (UNCD) mechanical seals. These innovations demonstrate the scientific know-how and innovative spirit of Argonne researchers.
A world-wide licensing agreement is reached for Argonne’s patented composite cathode materials, resulting in longer-lasting and safer batteries for hybrid-electric vehicles, cell phones, and laptops. The new technology enhances performance, life, and safety of lithium-ion cells.
Researchers at Sandia National Laboratories are developing strategies to make lithium-ion batteries more tolerant to abusive conditions, with the goal of increasing their lifespan and reducing costs. The team's work could pave the way for the widespread adoption of hybrid electric vehicles powered by lithium-ion batteries.