Articles tagged with Electrodes
A team of researchers used a virtual unrolling technique to analyze a lithium battery's electrode layers, revealing unseen trends in performance degradation. By combining X-ray and neutron tomography with a mathematical model, the team gained a fuller understanding of how the battery works and how it degrades over time.
A research team has developed a droplet-based electricity generator that can produce 140V power from a single drop of water. The device features a field-effect transistor-like structure and achieves high energy-conversion efficiency and instantaneous power density, making it an innovative solution for sustainable energy generation.
Researchers at Kyushu University have successfully synthesized several types of amino acids using abundant materials. The process uses electric energy generated from renewable sources and involves titanium dioxide as the electrocatalyst and an organic acid called alpha-keto acid as the key source material.
Researchers have developed a new encapsulation technique to protect the electronic properties of sensitive materials like indium selenide and gallium selenide. The method uses hexagonal boron nitride to encase the material, preserving its performance and enabling its integration into electronic components.
A new device uses specialized polymer electrodes to reduce arsenic in water by over 90% while using less energy than traditional methods. The process is powered by electrochemical reactions, making it suitable for field deployment in areas with limited electricity.
A new method to study lithium dendrites was developed using an environmental transmission electron microscope (ETEM) in a carbon dioxide atmosphere. The team successfully grew and observed needle-like structures that can short out batteries and cause fires, providing insights into ways to prevent their appearance.
Researchers at NIMS and AIST created a bendable, stretchable vibration-powered device using a liquid electret material. The device can convert subtle vibrations into electrical signals, making it suitable for self-powered heartbeat and pulse sensors.
Researchers created individualized maps of functional networks in the thalamus and basal ganglia, revealing variation in symptom response to deep-brain stimulation. The study suggests that successful treatment depends on tapping into the correct network for each patient.
Researchers at Columbia University have developed a new approach to create autonomous microrobots that can detect and repair defects in synthetic materials. The microrobots use shape-shifting materials to navigate and perform tasks such as distributed sensing, delivery of therapeutic cargo, and on-demand repairs.
A team of researchers from Helmholtz-Zentrum Dresden-Rossendorf has gained new insights into water electrolysis, aiming to enhance the environmental impact of hydrogen-based technologies. The findings offer a possible starting point for improving the efficiency of this process.
Researchers at Tokyo University of Science successfully developed a novel material, boron-doped nanodiamond, for use as an electrode in supercapacitors. This innovation significantly increases the energy storage capacity and stability of these devices.
Scientists from Duke University and HSE University developed a neurointerface that allows monkeys to control a cursor with their brains, enabling future development of upper-limb neuroprostheses. The breakthrough provides tactile feedback, increasing movement precision and natural control.
Researchers have created a biohybrid system that combines gene circuits with electrodes to detect specific nucleic acid sequences. This approach enables parallel detection of multiple pathogens and has the potential to transform medicine, biotech, academic research, food safety, and other applications.
Researchers from Texas A&M University developed new supercapacitor electrodes using dopamine-functionalized graphene and Kevlar nanofibers, significantly improving mechanical performance. This breakthrough paves the way for creating sturdy, stiff batteries, which could enable lighter electric vehicles and aircraft.
A new theory by Assistant Professor Kyle Smith predicts how fluid flow affects molecule reaction at porous electrode surfaces in redox flow batteries. The research enables prediction of mass transfer coefficients based on microscopic pore structure, enabling engineers to design optimal structures.
A team of scientists at Tokyo University of Science developed a new method to modulate light using water as a medium, called giant optical modulation. This technique is less expensive and easier to use than conventional methods, with a maximum intensity change of 50% proportional to the applied AC voltage.
Researchers found that the brain responds to a marker of vocal stress in the middle of each syllable, which is a universal feature of human languages. This signal allows the brain to split speech into syllabic units and track patterns of stress critical for meaning in English and many other languages.
A new glassy carbon electrode has been developed to replace metal-based electrodes in deep brain stimulation procedures. The novel material is safer, more durable and can read both chemical and electrical signals from the brain.
Researchers have developed an injectable, flexible electrode that can reduce the cost of neuromodulation therapy, increase its reliability and make it less invasive. The 'injectrode' uses a liquid that cures in the body to create a wired contact, allowing for more elasticity and flexibility compared to traditional rigid implants.
Researchers at Wyss Institute develop 'eRapid' technology enabling low-cost, handheld electrochemical devices to detect a range of biomarkers with high sensitivity and selectivity. The platform overcomes biofouling problem with simple yet robust design, allowing mass-production of biochemical sensors at low cost.
Researchers warn of risks in allowing skin-to-skin contact between mothers and newborns after a C-section, as cardiac activity can interfere with electrocardiogram readings. Both cases involved abnormal heart rhythms triggered by the baby's touch on ECG electrodes, highlighting the need for safe protocols.
Researchers at Washington University in St. Louis have uncovered a novel process by which phototrophic microbes can accept electrons from solid and soluble substances. This discovery, published in mBio, could lead to the development of bacterial platforms that feed on electricity and carbon dioxide to produce valuable compounds.
Researchers discovered enzymes can efficiently conduct electricity under proper conditions, enabling new innovations in medical diagnostics and DNA sequencing. The study's findings could lead to the development of biological parallel processors and revolutionize the field of nanotechnology.
A new system can capture carbon dioxide from the air at any concentration level, including 400 parts per million, and release it into a carrier stream. This technology has significant implications for reducing greenhouse gas emissions and could eliminate the need for fossil fuels in applications such as soft-drink bottling plants.
Chinese scientists developed a new material that enables the creation of flexible, wearable supercapacitors with high energy density. The electrodes are made from a hybrid material synthesized from two carbon nanomaterials and a metal-organic framework, which provides a balance of porosity, conductivity, and electrochemical activity.
A new electrode set enables easy at-home assessment of sleep bruxism, a condition affecting 8-15% of the population. The set's diagnostic accuracy is similar to conventional polysomnography, allowing for reliable and cost-effective management.
Scientists create a metal oxide@MOF composite with enhanced durability and capacitance, showing promise for electrochemical capacitor energy storage devices. The composite exhibits high cycling stability, specific capacitance, and energy density.
Researchers from Tokyo Tech and Kanazawa University develop an eco-friendly device using solar cells to catalyze electrochemical oxidation reactions. The device, which uses organic materials, achieves high efficiency by directly utilizing photogenerated holes in chemical reactions.
The University of Pittsburgh researcher is using biofilms and electrodes to remove BPA from water, a common contaminant found in plastics. The project aims to create an effective method for degrading BPA, which has been linked to fertility problems and other health issues.
Scientists have successfully merged three amputees with their bionic legs, allowing them to walk instinctively without mental effort. The new technology uses sensory feedback to deliver information wirelessly to the nervous system, reducing mental burden and improving performance.
Scientists create a soft, flexible artificial skin made of silicone and electrodes that can replicate the human sense of touch. The skin provides real-time pressure and vibration feedback to enhance rehabilitation and virtual reality applications.
Researchers have developed an electronic chip that can perform high-sensitivity intracellular recording from thousands of connected neurons simultaneously. This breakthrough has enabled the mapping of hundreds of synaptic connections and opens up new strategies for machine intelligence to build artificial neural networks.
Researchers at Purdue University have developed nanochain structures made of antimony that can store more lithium ions and stabilize battery performance. The new design shows promise for increasing battery lifespan and reducing charging times.
Researchers have developed a wearable brain-machine interface that can wirelessly control an electric wheelchair, interact with a computer, or operate a small robotic vehicle without the need for bulky headgear or wires. The system uses deep learning algorithms to analyze EEG signals and improve signal quality.
Researchers developed flexible, gel-free EEG electrodes that can record brain waves on hairy and hairless skin. The new electrodes work without sticky gel, allowing for potential use in brain-computer interfaces to drive cars or move artificial limbs.
Researchers have discovered a way to convert CO2 into energy-rich carbon monoxide using electricity and an Earth-abundant catalyst, which can be used to produce fuels like synthetic diesel and jet fuel. The team's breakthrough could lead to the development of carbon-neutral products, reducing greenhouse gas emissions.
Researchers at the University of Warwick have discovered that organic solar cells only need 1% of their surface area to be electrically conductive, opening up possibilities for composite materials and improved device performance. This breakthrough could enable flexible solar cells to become a commercial reality sooner.
Researchers developed an interface to connect a leg prosthesis with residual nerves, providing sensory feedback that reduces effort during walking and phantom limb pain. The system also increased confidence in prosthetic use, enabling users to devote more attention to other tasks.
Researchers have developed a new machine learning algorithm that can detect the seizure onset zone in just 10-20 minutes, eliminating the need for prolonged monitoring and reducing risks. This breakthrough could lead to a new treatment approach for epilepsy patients, particularly those with drug-resistant forms of the disease.
Researchers used neutron scattering to analyze battery electrode reactions and found that lithium sulphide forms on the outer surface of carbon fibres, not within microporous electrodes. This insight could improve battery development with higher energy density and longer lifespan.
Researchers propose mesh electronics as a foundation for brain-machine interfaces, enabling precise targeting of neural communication networks to treat neurological disorders. This technology could lead to improved therapeutic options, such as enhanced prosthetic control and cognitive enhancement.
University of Illinois researcher Kyle Smith has made significant progress in water desalination with a new publication and research project. His work involves deionization devices that can reversibly store and release cations using intercalation materials, resulting in a nearly 10-fold increase in salt removal rates.
Researchers at Carnegie Mellon University have received a $1.95 million grant to create customizable, ultra-high density neural probes using 3D nanoparticle printing. This new technology will increase accessibility to brain tissue and enable prototype new electrode configurations on-demand.
Researchers from NUST MISIS have successfully turned hogweed into a material for supercapacitors, demonstrating its potential as a sustainable alternative for energy storage. The processing technology involves treating the plant stems with hydrochloric acid and carbon dioxide to create a porous structure suitable for electrodes.
Researchers at Binghamton University have found a way to improve the performance of tiny sensors that could lead to breakthroughs in microphone manufacturing, making them smaller, better and cheaper. The new design combines two methods for electrostatic actuation, eliminating nonlinearity and allowing for predictable control over devices.
Scientists have developed a new type of intraneural electrode called OpticSELINE, which stimulates the optic nerve and sends messages directly to the brain. This innovative approach bypasses the eyeball entirely, offering a promising solution for restoring sensory function in the blind.
A Chinese-German team developed a way to boost electric conductivity of organic solar cells, increasing their performance. By doping metal oxide interlayer with modified organic dye, both efficiency and stability were improved.
Researchers have developed a soft and stretchable pump, eliminating tethers in soft robots. The pump uses an electrical field to circulate liquids, promising applications in exoskeletons, robotic clothing, and smart clothing.
Researchers created stretchable metal composites with high electric conductivity that can be 3D printed on soft substrates at room temperature. This breakthrough technology enables the production of compact and slim wearable devices with improved data recording capabilities.
The soft and conformable monitor can broadcast ECG, heart rate, respiratory rate, and motion activity data up to 15 meters. It avoids signal issues created by traditional metal-gel electrodes, providing accurate signals even during movement.
KAUST researchers have developed a single microchip that integrates sensing, energy-harvesting, current-rectifying, and energy-storage functions. The chip uses ruthenium oxide as the common electrode material, enabling miniaturization of self-powered sensor devices.
A team of researchers has gained insight into the inner workings of an atomic switch, revealing that its metallic filament is composed of both electrode and metal sulfide layer metals. This finding may lead to improved performance in atomic switches, crucial for next-generation AI and IoT devices.
A team of researchers has successfully measured the rate of heat transfer through a single molecule, a key step towards building molecular computers. The study found that the heat transfer rate was relatively constant across different chain lengths, with rates of up to 20 picowatts per degree Celsius.
A team of researchers has developed a 3D electrochemical model to estimate the properties of single particles of electrode active materials. This model can analyze micrometer-sized particles in a cell and is expected to improve cell efficiency and increase energy density.
Researchers at Tokyo University of Science have made significant breakthroughs in human body communication (HBC), which uses the human body as a network to transfer information. By analyzing the characteristics of impedance and electrodes, they found that HBC can be used to design more efficient devices with better user interaction.
A team of researchers developed a new technique using X-ray technology to map out damage in lithium-ion batteries. They created the most comprehensive view yet of battery electrodes, which are prone to degradation from repeated charging. The study could lead to more reliable and longer-lasting batteries for electric cars and smartphones.
Researchers at Peter the Great Saint-Petersburg Polytechnic University developed a new pair of reagents to obtain electrode materials based on nickel oxide. The study showed improved electrochemical characteristics, enabling longer operation without additional charge.
Researchers found that buildup of lithium oxide and decomposition of electrolyte lead to rapid capacity fade in magnetite-based electrode material. The conversion reaction is not fully reversible, causing residual products to accumulate and block electron transport.
Researchers at Carnegie Mellon University aim to create a noninvasive neural interface that can sense and stimulate the brain's dynamic activity with unprecedented resolution. The team will harness novel concepts in physics, biology, and engineering using electricity, ultrasound, and light to develop a wearable device.
Researchers discovered a novel noninvasive electrophysiological biomarker for Parkinson's disease using scalp electrodes and electroencephalography (EEG). The approach showed promise for developing wearable technology to monitor disease-related brain activity at home.