Articles tagged with Anodes
Researchers at University of Toronto have created a biologically-derived battery that stores energy in flavin from vitamin B2, a green alternative to traditional lithium-ion batteries. The battery has high capacity and high voltage, making it suitable for powering next-generation consumer electronics.
Researchers at UCR developed a silicon-tin nanocomposite anode that triples charge capacity and extends battery life. The new material enables longer-lasting rechargeable batteries with improved performance and scalability.
Researchers improved understanding of the process that stops reactions in solid oxide fuel cells (SOFCs), a clean energy technology that has struggled to gain wide acceptance. The study found that an electric field can prevent failures and improve system performance by capturing the complexity of the triple-phase boundary.
A research team led by Likun Zhu at Indiana University aims to overcome challenges with alloy-type anode materials that swell and fracture during charging and discharging. By adding selenium to these materials, they hope to develop commercially affordable high-performance anodes for better batteries.
Borophene exhibits an ultrahigh sodium diffusivity of over a thousand times higher than conventional materials. This leads to a significant improvement in the rate capability of sodium-based batteries. Additionally, borophene maintains good electronic conductivity and stable cyclability during charge and discharge.
A Korean research team developed a graphene-based transparent electrode structure, achieving high efficiency and flexibility in flexible OLEDs. The new device architecture maximizes the efficiency of graphene-based OLEDs by inducing a synergistic collaboration between high- and low-index layers.
Purdue University researchers have discovered that pollen-derived carbon architectures can be used as anodes in lithium-ion batteries. The study found that the cattail pollen-based carbon performed better than bee pollen, with a higher theoretical capacity of 200 milliamp hours per gram.
Scientists develop custom-fit graphene cages to enhance silicon anode particles, improving charging capacity and stability. The approach could enable larger, cheaper, and more efficient batteries.
Researchers at Technical University of Munich identify key mechanisms behind lithium ion battery capacity loss due to aging. The study reveals that a pacifying layer on the anode consumes active lithium and protects the electrolyte from decomposition.
Researchers have optimized a novel wall-less Hall thruster design, suitable for long-duration deep space missions. The new design enables scientists to observe hidden plasma regions, facilitating investigation of plasma instability and anomalous electron transport.
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.
Researchers from California Institute of Technology found that heat can shorten dendrites by up to 36% and possibly extend battery lifetimes. By analyzing the effect of temperature on individual lithium atoms, they discovered that increased temperatures trigger atomic motion, leading to the breakdown of dendrite structures.
A team of engineers at the University of California, Riverside has developed a new type of lithium-ion battery anode made from portabella mushrooms. The mushroom-based material is highly porous and allows for increased electrolyte-active material over time, making it a potential replacement for traditional graphite anodes.
Researchers have reported surprisingly high damage tolerance in electrochemically-lithiated silicon materials, suggesting all-silicon anodes may be commercially viable. The study found that above a certain concentration of lithium, the material becomes more tolerant to damage, making it possible to design durable silicon-based batteries.
Scientists have developed a novel battery that uses light to produce power, utilizing titanium nitride for the anode. The 'photo battery' demonstrated high stability and safety, discharging electric current within 30 seconds under normal indoor lighting.
Researchers at Purdue University have developed a method to convert waste packing peanuts into high-performance carbon electrodes for rechargeable lithium-ion batteries. The new anodes outperform conventional graphite electrodes and charge faster, making them a promising environmentally friendly solution.
Scientists at the University of Wisconsin-Madison developed a novel approach to combine biomass conversion and solar energy conversion, enabling more efficient hydrogen production and creating a valuable byproduct. This breakthrough could significantly increase the efficiency and utility of solar-fuel-producing photoelectrochemical cells.
A new electrolyte for lithium batteries eliminates dendrites while maintaining high efficiencies and current densities. The discovery enables the development of powerful next-generation rechargeable batteries with improved safety and cost-effectiveness.
Researchers at Michigan Technological University have discovered that lithium ions cause local stress and phase transitions in anodes during charging and discharging, leading to their eventual failure. This 'atomic shuffling' phenomenon helps explain why layered materials are prone to degradation.
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.
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.
Researchers have developed a saliva-powered, micro-sized microbial fuel cell that produces nearly 1 microwatt of power. The device uses graphene and bacteria from the natural environment to create energy, paving the way for portable biomedical devices with built-in power sources.
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.
Researchers at Brookhaven National Laboratory have made the first 3D observations of how a lithium-ion battery anode evolves at the nanoscale. The study reveals severe microstructural changes that reduce capacity and cycle life, but shows promise for increasing battery lifespan
Scientists from ETH Zurich have synthesized uniform antimony nanocrystals, which can store both lithium and sodium ions, making them prime candidates for anode materials in both lithium-ion and sodium-ion batteries. The researchers found that the optimal size-performance relationship of these nanocrystals is between 20-100 nanometres.
A new design inspired by a pomegranate overcomes obstacles to using silicon anodes in lithium-ion batteries, allowing for increased storage capacity. The pomegranate-inspired electrode operates at 97% capacity after 1,000 cycles of charging and discharging.
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.
Berkeley Lab researchers find that microscopic fibers of lithium form in the electrolyte during cycling, causing short circuits and overheating. The team discovered subsurface structures underneath dendrites, revealing a clear path forward for enabling widespread use of lithium anodes.
Researchers at Arizona State University's Biodesign Institute demonstrate that light-responsive Chlorobium can act in tandem with Geobacter to produce electricity. The two bacteria work together to generate current when Chlorobium transfers electrons to Geobacter, which then produces electricity.
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.
Researchers have developed a highly efficient solar fuel device that can produce hydrogen from sunlight, with a potential to store energy for later use. The device uses a metal oxide photo anode and a cobalt phosphate catalyst to split water into hydrogen and oxygen.
Researchers have developed a new graphene technique that significantly increases lithium-ion battery storage capacity by combining graphene nanoribbons with tin oxide. The resulting prototype battery retains more than double the capacity of standard graphite anodes after repeated charge-discharge cycles.
Scientists have created a device that allows researchers to observe individual lithium ions in lithium-ion batteries, providing new insights into the complex processes involved. This breakthrough could lead to more efficient battery designs with increased power density and longer lifetimes.
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.
Researchers at USC have created a new lithium-ion battery design that uses silicon nanoparticles to improve capacity and recharge more quickly. The batteries hold three times as much energy as comparable graphite-based designs and can recharge within 10 minutes.
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.
A study by Ohio State University researchers reveals that lithium accumulates in the copper current collector of hybrid and electric car batteries over time, affecting their performance. This discovery could aid in improving battery design and performance.
Researchers at UC San Diego have developed advanced estimation algorithms that enable lithium-ion batteries to charge twice as fast and reduce energy consumption by 25%. The new technology allows for more efficient battery management, reducing costs and improving overall performance.
Researchers have developed a method to make flexible lithium-ion battery components from discarded silicon, which can prolong their usefulness. The new material is made by creating nanowires from high-value but hard-to-recycle silicon and then encasing them in an electrically conducting copper and ion-conducting polymer electrolyte.
Researchers developed a self-charging power cell that converts mechanical energy into chemical energy, eliminating the need for separate generators and batteries. The device can harness mechanical energy from walking or other sources, generating enough current to power small electronic devices.
Researchers at Arizona State University improved microbial fuel cell efficiency by modifying cathode materials and adjusting pH levels. By enhancing hydroxide ion transport, they increased power densities and reduced losses in MFC performance.
Materials scientists at Harvard University have developed a solid-oxide fuel cell that can store electrochemical energy like a battery, allowing it to continue producing power for a short time after its fuel has run out. This innovation has significant implications for small-scale, portable energy applications, such as unmanned aerial ...
Researchers at Northwestern University have created an electrode that allows lithium-ion batteries to hold a charge up to 10 times greater than current technology. The new technology can also charge 10 times faster, paving the way for more efficient and smaller batteries for electric cars.
Researchers at Oak Ridge National Laboratory and Lawrence Berkeley National Laboratory have made significant improvements to lithium battery anodes, leading to faster charging times and increased capacity. The new designs could enable the widespread adoption of electric vehicles and renewable energy systems.
Researchers have designed a new conducting polymer that enables the use of silicon as a next-generation lithium-ion battery anode, storing eight times more energy than current designs. The material maintains its capacity after over a year of testing, with potential applications in electric cars and consumer electronics.
Researchers at Clemson University have identified a promising new binder material for lithium-ion battery electrodes extracted from common brown algae. The alginate has helped boost energy storage and output for both graphite-based and silicon-based electrodes, addressing challenges in existing batteries.
The new technique uses barium oxide nanoparticles to adsorb moisture, initiating a water-based chemical reaction that oxidizes carbon deposits, keeping nickel electrode surfaces clean. This allows solid oxide fuel cells to be powered directly by coal gas at low temperatures, reducing carbon emissions and increasing efficiency.
The new nanoscoop material can withstand extremely high rates of charge and discharge, making it ideal for high-power rechargeable lithium-ion batteries for electric automobiles. The technology could potentially be ramped up to suit the demanding needs of batteries for electric vehicles.
Researchers at Sandia National Laboratories have created the world's smallest battery using a single tin oxide nanowire anode, which nearly doubles in length during charging. The discovery provides new insights into lithium batteries and could improve power and energy density.
Researchers at Oregon State University have developed a technology that uses nanotech coatings to produce electricity from sewage, increasing output 20 times. The new approach could clean biowaste while producing useful levels of electricity, promoting sustainable wastewater treatment and renewable energy.
Researchers at Arizona State University have developed a method for enhancing the efficiency of microbial electrochemical cells (MXCs) using specialized bacteria. By creating a mutual relationship between homo-acetogens and anode bacteria, they can improve electron flow and increase hydrogen production, reducing reliance on fossil fuels.
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 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.
Cui's team has developed lightweight paper batteries, supercapacitors, and eTextiles that can store energy while retaining mechanical properties. The technology has potential applications in homes, gadgets, sportswear, and wearable power.
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.
Iowa State University engineer Steve Martin is working to develop better batteries for renewable energy alternatives by studying electrochemical reactions and new materials. His research aims to improve the efficiency and safety of batteries, which are crucial for widespread adoption of wind power and other forms of clean energy.
The new BZCYYb material tolerates high concentrations of hydrogen sulfide, resists carbon build-up, and can operate efficiently at low temperatures. Its development could lead to more compact and cost-effective solid oxide fuel cells with increased range of applications.