Articles tagged with Electric Charge
Scientists have developed a conductive polymer coating called HOS-PFM that can significantly enhance the performance of lithium-ion batteries in electric vehicles. The coating ensures battery stability and high charge/discharge rates while extending battery life by up to 15 years.
Scientists at Tokyo University of Science develop a novel technique to evaluate the electric double layer effect, achieving carrier modulation and improved switching response speed control. The EDL effect is reduced with certain electrolytes, leading to faster charging times.
Researchers have developed a new lithium-air battery that uses a solid electrolyte, boosting energy density four times above lithium-ion batteries. The battery can potentially power cars for over a thousand miles on a single charge and is also suitable for domestic airplanes and long-haul trucks.
MIT researchers have developed a receiver chip that targets and blocks unwanted signals without hurting device performance. The chip uses a mixer-first architecture and block digital filtering to remove harmonic interference, enabling it to handle high-power signals effectively.
Researchers find that electrical discharge in Martian dust storms could be a major driving force of the planet's chlorine cycle. The study reveals high yields of chlorine gases from common chlorides when electrified by Martian conditions, indicating a promising pathway for converting surface chlorides to atmospheric phases.
Researchers at Georgia Institute of Technology have developed a new ultrafast water disinfection method that uses locally enhanced electric field treatment, killing bacteria with nanosecond pulses. This technology reduces energy consumption by eight times and shortens treatment time by 1 million times, making it an affordable sanitatio...
The study explores the impact of counteranions on stacked ion pairs, leading to variations in energy and orientation. The researchers developed a diverse set of assemblies with tunable properties by incorporating alkyl groups into positively charged squarylium dyes.
Researchers have developed a new additive that can break down PFAS at ambient temperature and pressure using a ball milling process. The new method uses boron nitride as a non-corrosive additive, which breaks down 80% of known PFAS in soils contaminated with firefighting foam.
A team of researchers from Japan has developed a single purely organic neutral molecule with an incomplete oxidation state for the first time. The new molecule exhibits multi-step phase transitions and crossover caused by intra- and intermolecular electronic interactions, leading to unique strongly correlated electron properties.
The UCF-developed battery uses saltwater as an electrolyte, eliminating volatile solvents and overcoming limitations of previous aqueous batteries. The novel design allows for fast charging in just three minutes and increased stability, making it a safer and more efficient alternative to traditional lithium-ion batteries.
Researchers observed energy transfer from resonant electrons to whistler-mode waves in space, confirming non-linear growth theory. This finding improves understanding of space weather's impact on satellites and could help protect astronauts.
Researchers at the University of Chicago's Pritzker School of Molecular Engineering have used a combination of electron microscopy and computational modeling to understand how lithium-ion batteries degrade. They found that variation between areas of the battery, particularly electrolyte corrosion, leads to faster degradation.
Researchers from City University of Hong Kong developed a novel device-engineering strategy to suppress energy conversion loss in organic photovoltaics, achieving PCE over 19%. The discovery enables OPVs to maximize photocurrent and overcome the limit of maximum achievable efficiency.
Researchers at Argonne National Laboratory have developed a way to rotate a single molecule, europium complex, clockwise or counterclockwise on demand. This technology could lead to breakthroughs in microelectronics, quantum computing and more.
Scientists are rethinking electrolyte design for future battery generations, considering factors like interphases and solid-state electrolytes. They're using AI and automated laboratories to identify optimal electrolyte characteristics and reduce human error.
Researchers fabricated Li-S batteries with ultra-long cycle life over 2000 cycles via multifunctional separator design. The novel hollow and hierarchically porous Fe3O4 nanospheres effectively regulate LiPSs behavior, achieving high sulfur utilization and excellent electrochemical performances.
Researchers at the University of Illinois Chicago synthesized semiconductor quantum dots with extended radiative lifetimes and spatially localized electrons, enabling new applications in optics and time-gated single-particle imaging. The study's findings hold promise for energy-efficient displays and biomedical research.
Materials like graphene can withstand charged ions, while others form nano-sized pores when hit. The researchers developed a model to predict this behavior, which could be used to create tailored membranes with specific nanopores.
A University of South Australia physicist has solved the long-standing mystery of lightning's zig-zag pattern and dark electric column. The breakthrough explains how singlet-delta metastable oxygen molecules create these steps.
Charged porphyrins enable researchers to study π-electronic ion pairs and their interactions, leading to the creation of electronic materials with unique properties. The study reveals fascinating new properties of stacked ion pairs and their potential applications in fields like nanomagnetism and ferroelectrics.
Scientists at Tel Aviv University have developed a method to create the thinnest possible ladder steps made of distinct electric potentials, which can be used as independent information units. The discovery enables the creation of novel devices with potential applications in electronics and optomechanics.
Radiation-tolerant photovoltaic cell designs could improve satellite performance by reducing radiation damage and increasing device longevity. The new ultra-thin solar cells outperform thicker devices in proton radiation tests, with nearly 3.5 times less cover glass needed for the same amount of power after 20 years.
Researchers develop Janus Bi, a platform for creating highly asymmetrical nano-architectures with 2D materials, inspired by nature's efficient light transformation processes. The project aims to produce scalable nanotechnological objects with light conversion capabilities.
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 at Kyushu University counted electric charges in individual platinum nanoparticles down to the electron level, revealing net charge with high precision. This breakthrough enables better understanding and development of catalysts for breaking down pollutants.
A team of international researchers used aurora data to assess the impact of radiation-belt electrons on the ozone layer. They found a localized ozone hole in the mesosphere, about 400 km wide, directly below isolated proton auroras, with up to 10-60% of ozone destroyed.
A team of researchers, led by Prof. Ehud Pines, has confirmed his theory that a proton moves through water in trains of three water molecules, contradicting the long-held Grotthuss Mechanism. This breakthrough resolves one of the holy grails of physical chemistry after 17 years of research.
Researchers from the University of South Australia found that households with solar panels and batteries can significantly reduce their annual electricity costs when charging electric vehicles. With off-peak charging, EV owners can save up to 39.6% on energy costs, making it a more affordable option for environmentally-friendly driving.
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.
Researchers at Chalmers University of Technology have successfully converted solar energy into electricity using a thermoelectric generator. The new technology can store solar energy for up to 18 years and release it when needed, making it a promising solution for renewable energy production.
Researchers at Kyoto University have developed a new type of organic solar cell that generates electricity efficiently even with a relatively low offset of 0.1 eV. This breakthrough offers a promising solution for the production of more efficient and flexible solar panels, potentially reducing energy consumption and environmental impact.
A research team from City University of Hong Kong developed a multi-functional electrostatic droplet tweezer that can precisely trap and remotely guide liquid droplets on flat and tilted surfaces, as well as in oil mediums. The technology offers precise and programmable droplet manipulation with high velocity and agile direction steering.
Researchers at Martin-Luther-University Halle-Wittenberg discovered a way to convert frequencies to higher ranges using magnetic materials without additional components. This breakthrough could make certain electronic components obsolete and improve the energy efficiency of digital technologies.
Researchers developed Electric Truck Hydropower to harness the potential of steep mountain ranges, generating 1.2 PWh electricity per year, equivalent to 4% of global energy consumption. The technology uses existing road infrastructure and regenerative brakes to convert water into electricity.
Researchers have developed a new platform to design printed electronics with 2D materials, enabling the creation of high-performance flexible devices. The study identified key properties that need to be tweaked to control electronic charge transport, opening up possibilities for wearable devices, bio-implantable electronics and more.
Researchers used AI to optimize multiple properties of flow batteries, finding molecules that store a lot of energy and remain stable. The study uses quantum chemistry-guided multiobjective Bayesian optimization to identify promising candidates.
Researchers at University of Missouri and University of Chicago develop an artificial material that can respond to its environment, make decisions, and perform actions not directed by humans. The material uses a computer chip to control information processing and convert energy into mechanical energy.
Researchers found that quantum mechanics' influence on particles affects light emission, demonstrating wavefunction collapse and altering interference patterns. The study sheds new light on the counter-intuitive phenomenon, revealing a direct connection between light emission and quantum entanglement.
Scientists create a flexible supercapacitor using wrinkled titanium carbide nanosheets that maintains its ability to store and release electronic charges after repetitive stretching. The device has a high energy capacity comparable to existing MXene-based supercapacitors, but with extreme stretchability up to 800% without cracking.
The latest ranking from ZSL's EDGE of Existence programme highlights the most ancient fish at risk of extinction, including guitarfish, angel sharks, and saws-on-their-faces rays. These unique species have few or no remaining close relatives, making each one irreplaceable if they go extinct.
Researchers at Nagoya Institute of Technology have gained new insights into the mechanisms behind semiconductor degradation in 4H-SiC material, a popular alternative to standard materials. They discovered that specific types of atomic deformation lead to faster carrier recombination and device degradation.
A Kanazawa University-based collaboration developed a microscopy approach to visualize real-space charge distribution at interfaces. The technique, called 3D open-loop electric potential microscopy (OL-EPM), overcomes challenges in measuring lateral charge distribution at solid-liquid interfaces.
A new study reveals how proteins with mixed electrical charges influence membrane crossing, shedding light on their multiple functions and disease mechanisms. The research focuses on Intrinsically Disordered Proteins, which can take on various shapes due to electric charge disorder.
Researchers at DOE's Princeton Plasma Physics Laboratory discovered a way to more accurately measure the electrical properties of plasma. They found that a positive charge can sometimes surround probes, contradicting long-held assumptions about the plasma-wall sheath.
Researchers at KAIST identified the basic principle of electric wind in plasma, a phenomenon that can create air movement without mechanical movement. The team found that space charge drift following streamer propagation is the main cause of electric wind, with electrons playing a key role in certain plasmas.
Biomolecules with high electrical charge surprisingly attract each other due to atomic-level binding at molecular ends. This paradoxical behavior has valuable implications for drug development and delivery into cells.
Researchers have discovered that ring-shaped topological insulators display characteristics similar to those in spherical materials. The study reveals a zero-energy state on the surface of ring-shaped insulators and a coupling between charge carriers and curvature, leading to gauge fields and unique electron spin behavior.
Tianbo Liu finds that molecules with electrical charge self-recognize left-handed and right-handed pairs to form large assemblies, simplifying the mystery of homochirality. This discovery emphasizes nature's simplicity in creating life.
Researchers have observed electrons splitting into a magnet and an electrical charge in quasi two-dimensional magnetic materials, supporting the theory of high-temperature superconductivity. This phenomenon was previously thought to occur only in one dimension.
Researchers at MIT have discovered charged droplets that can improve power plant efficiency by repelling each other and applying an external electric field. This technology has the potential to enhance heat transfer on condensers and even generate electricity from ambient air.
Researchers develop method to measure individual particle charge, allowing for precise control over nano particles' behavior. This enables improved understanding of nanoscale phenomena and potential applications in medicine.
Researchers discovered that random patches of disordered electric charges can induce a twisting force strong enough to affect biological objects at nanometers or micrometers away. This phenomenon could help understand patterns in biology, such as lock and key interactions.
Researchers have found that electric charge ratio and polymer concentrations control complex properties, allowing stable delivery of DNA into targeted cell nuclei. Future work focuses on forming complexes with controlled size and electric charge for efficient gene therapy.
A NIST-developed nanofluidic device separates and measures nanoparticles of different sizes, offering a faster and more economical approach to nanoparticle sample preparation. The device's tailored resolution and surface chemistry enable the sorting of complex nanoparticle mixtures.
UK researchers have discovered electrically charged ash in the plume of Iceland's Eyjafjallajokull volcano. The finding contradicts models and adds a new dimension to understanding volcanic plumes' impact on air travel. Detailed measurements reveal self-renewing charge within the plume, which affects particle behavior and growth.
Researchers at the University of Illinois at Urbana-Champaign have created polarized Janus particles that spontaneously self-assemble into clusters with specific shapes and distributions of electric charge. The clusters can exhibit unique properties, such as a flywheel-like shape that can revolve around a polar axle.
Jeanne E. Pemberton's research reveals that changing the electrical charge on electronic paper affects how well ink sticks, enabling the development of reusable tablets. The study uses the 'emersion' method to analyze molecular interactions at the interface between liquids and solids.
A University of Colorado Boulder research team has confirmed a theory about charged dust in space, explaining how it affects spacecraft and astronauts. The study used an experiment to levitate particles with positive charge above the moon's surface.
Researchers used angle-resolved photoemission spectroscopy to study the electronic structure of Nd-LSCO, finding charge carriers segregated into one-dimensional lines and exhibiting quantum fluctuations that give rise to two-dimensional effects. This discovery may help resolve a paradox between different theories of superconductivity.
Researchers at Max Planck Institute for Quantum Optics found that molecular clusters break up into positively and negatively charged fragments upon impact with any solid surface. They propose that neutral alkali atoms play a key role in charge separation, leading to the formation of separate ionic fragments.