Articles tagged with Electrodes
Researchers developed a new generation of microelectrode-array chips that can record electrical activity from up to 20,000 nerve cells simultaneously. The new chip enables comprehensive measurements of more than 1,000 cells at once, suitable for testing the effects of drugs and reducing animal experiments.
Researchers have developed a novel single-atom Pt catalyst that can operate stably at high temperatures, increasing electrode reaction rates by up to 10 times. This breakthrough could accelerate the commercialization of solid oxide fuel cells, next-generation eco-friendly power generation systems.
Researchers at Yokohama National University have proposed a fix to prevent stretched-out stretchable sensors from producing large errors in pressure movement measurement. The new sensors use a hard silicone shell to protect the soft porous silicone pressure sensor, allowing it to measure force without being overextended.
Researchers at Technische Universitßt Dresden have successfully developed printable organic transistors with high switching frequencies and adjustable threshold voltages. These breakthrough devices can be used to create complex logic circuits and enable flexible electronic applications such as RFID and high-resolution displays
The Rice University project aims to optimize the use of flexible nanoelectronic thread (NET) probes to record neuronal activity in different brain regions. The biocompatible probes can be implanted in various areas of the brain, enabling researchers to analyze complex patterns of neural dynamics over time.
Researchers at Texas A&M University have designed a new plant-based energy storage device that can store up to 900 times greater charge than state-of-the-art supercapacitors. The devices are also environmentally friendly, lightweight, and cost-effective, making them suitable for charging electric cars within minutes.
A team of researchers from the University of California, San Francisco, has made a significant breakthrough in developing a 'plug and play' brain prosthesis that enables individuals with paralysis to control devices using their brain activity. The device uses machine learning algorithms to match brain signals to desired movements, allo...
The researchers created a lightweight eye mask called Chesma with two kinds of fabric electrodes to track electro-oculography and cardiac signals. The mask can be integrated into various garments and tested for performance after multiple washings.
Researchers developed a smart eyewear that tracks eye movement and cardiac data, providing accurate measurements in everyday environments. The device uses washable hydrogel electrodes and pulse sensors, offering comfort and durability, with potential applications in health monitoring, virtual reality, and advertising analysis.
Scientists at Okayama University developed a new technique to analyze dendrite formation in rechargeable batteries, improving safety. They discovered that quasimetallic Li clusters act as a buffer for dendrite formation in hard carbon electrodes, providing valuable insight into overcoming lithium dendrite formation limitations.
Researchers have developed a new rechargeable zinc battery that integrates into the structure of a robot to provide much more energy. The battery uses a network of aramid nanofibers and a water-based polymer gel, making it environmentally friendly and efficient.
Researchers at RMIT University developed a simple method for making ultra-thin, cost-effective transparent electrodes that can block heat and conduct electricity. The new spray-on coatings rival current industry standards and could simplify the fabrication of smart windows and low-emissivity glass.
Researchers developed a coaxial cable-inspired needle-electrode for multichannel and local-differential recordings of neuronal activity. This innovation achieved high-quality neuronal signal acquisition with a high signal-to-noise ratio, while reducing tissue damage compared to conventional electrodes.
The team discovered a technique to compress brain signals, focusing on neural activity spikes called threshold crossing rate or TCR, which requires less data while still being able to predict firing neurons. By listening to a specific feature of neuron data called spiking-band power, the SBP method is highly accurate and takes in one-t...
Researchers Liping Yu and Yingchao Yang will develop new battery and supercapacitor materials using artificial intelligence-aided design. The project aims to overcome limitations in current energy storage devices by predicting, synthesizing, and characterizing new 2D materials.
Scientists studying CO-covered Pt(111) electrodes found that carbon monoxide can induce structural degradation under benign conditions. The presence of vacancies in the topmost Pt layer contributes to this effect.
A new study from the University of Pittsburgh's Rehab Neural Engineering Labs has repurposed spinal cord stimulators to provide sensory feedback to amputees, generating sensations such as touch and pressure. The devices were found to be stable and effective in restoring feelings of touch in users.
A research team at KIST and TUB developed a nano-sized, coral-shaped silver catalyst electrode for high-efficiency carbon dioxide conversion. The new system can produce over 100 times more carbon monoxide than liquid-based systems, showing great promise for commercialization.
Researchers from Jiangsu University of Technology developed novel Cu2O-Mn3O4-NiO ternary nanocomposites using electrospinning technology, showing improved performance in supercapacitor electrode materials. The nanocomposites exhibit high specific capacitance and capacitance retention due to strong interaction between functional groups ...
Researchers developed a technology to sort and purify nanoparticles using dielectrophoresis. The 'nanogap electrode' can capture particles as small as 20 nanometers, paving the way for applications in environmental and medical sciences.
A new type of electrochromic display has been developed using zinc-based materials, enabling transparent multicolour switching. The display exhibits reversible colour changes and maintains a semitransparent state with a colour overlay effect that broadens the colour palette.
Flexible on-skin electronics made from pencil traces on paper can record various biomedical signals such as temperature, heart rate, and glucose levels. The technology has the potential to enable transdermal drug delivery and provides a cost-effective solution for monitoring vital signs in low-resource medical settings.
Researchers at INRS have successfully tested an advanced electro-oxidation process, which uses electric current to break down non-biodegradable pollutants in treated domestic wastewater. The process generates hydroxide radicals that attack refractory molecules without requiring chemicals, reducing the cost of treatment.
Researchers at Charité - Universitätsmedizin Berlin have identified a specific nerve bundle as the optimal target for deep brain stimulation in obsessive-compulsive disorder. The study's findings may improve treatment outcomes for patients with severe OCD, which affects over 2% of people worldwide.
Researchers created a nanoscale gap between gold electrodes and found that excited electrons leaping the gap emitted bright light. The effect depends on metal's plasmons, ripples of energy flowing across its surface.
Researchers developed a new method to detect and locate seizures in real-time using artificial intelligence and systems theory. By treating the brain as a network, they extracted meaningful data from electroencephalograph (EEG) signals, improving seizure detection accuracy.
Researchers applied machine learning techniques to explore microstructure of fuel cells and lithium-ion batteries. They used DC-GANs to generate 3D image data and run simulations to predict cell performance. The technique could help design optimized electrodes for improved energy storage.
Aalto University researchers have developed a nature-imitating coating that makes batteries more durable and efficient. The coating, produced using carbon dioxide in molecular layer deposition, can protect the actual electrode material and enable the use of new, more efficient materials like lithium.
A University of Birmingham team has created a hands-on educational tool using Jenga to explain lithium-ion battery operation and characteristics. The game helps students visualize electrochemistry and redox reactions, demonstrating the importance of rate of charge and performance over time.
Researchers have demonstrated a new type of flexible, recyclable electrode that could replace traditional transparent conductive oxides in creating low-cost solar cells, computer displays, smartphone touch screens, and smart windows. The electrodes boasted high transmittance, low sheet resistance, and outstanding flexural endurance.
Researchers create memristors on a single chip, enabling small, portable AI devices to recognize objects and make decisions in real-time. The design could advance the development of neuromorphic computing and enable powerful, portable computing devices that don't rely on supercomputers or the Internet.
Researchers at the University of Colorado Boulder have developed a new method for smart window technology that uses reversible metal electrodeposition to control tinting. The process is cheaper, more effective, and more durable than current options on the market.
Researchers from the University of Houston have reported a structural supercapacitor electrode made from reduced graphene oxide and aramid nanofiber that is stronger and more versatile than conventional carbon-based electrodes. The new material offers promise for longer battery life and higher energy at a lighter weight.
Researchers at KAIST developed a novel approach to modulate local CO2 concentration in gas-diffusion electrode-based flow electrolyzers. This method improves the selectivity, conversion rate, and electrode stability, promoting C-C coupling reactions for multi-carbon molecule production.
Scientists create vertical spin valves using 2D van der Waals materials, eliminating the need for a spacer layer. The devices exhibit low resistance-area products and low operating current densities, making them suitable for future spintronics applications.
Researchers at TU Wien and MedUni Vienna have developed a novel method for electric stimulation of the vagus nerve in the ear. A microanatomical study revealed the optimal placement of tiny electrodes to stimulate the nerve, resulting in effective pain relief. The triphasic signal pattern was found to be particularly effective.
Researchers at MIT have discovered a new phenomenon that enables the controlled movement of tiny particles in suspension, analogous to the swerving of a curveball. This electrokinetic effect could lead to new ways of performing industrial or medical processes that require separation of suspended nanomaterials.
Researchers at Duke University have developed flow-through electrodes that can store hydrogen more efficiently than conventional electrolyzers. The new design increases the surface area of the electrode to allow for faster and more productive water electrolysis, with potential implications for affordable renewable energy storage.
Scientists at KIT have developed a programmable biohybrid material system that uses bacteria to generate power. The system consists of a nanocomposite and the Shewanella oneidensis bacterium, which produces electrons. The team achieved controlled electron flow with increasing bacterial cells on the conductive matrix.
Researchers have developed a new electrode material that can improve the efficiency and economic feasibility of salinity gradient power generation using reverse electrodialysis. The material, molybdenum disulfide thin films, was synthesized directly on the electrode current collector surface to enhance electrochemical activity.
Researchers developed a novel two-dimensional titanium carbide MXene film serving as an efficient flexible electrode for light-emitting diodes. The MXene-based LEDs exhibit high efficiency and flexibility, surpassing conventional indium tin oxide-based devices.
A Rice University study reveals that blood flow to the brain recovers faster than brain function after a microstroke. The research used advanced neural monitoring technology to measure both blood flow and neuronal recovery simultaneously, showing a significant disconnect between the two processes.
A team of researchers has developed an approach to stimulate the visual cortex, allowing blind and sighted people to perceive shapes. By tracing outlines with electrical stimulation, participants were able to correctly identify letters and forms, demonstrating a potential method for regaining vision in blind individuals.
Researchers at KIST have developed a large-scale stretchable and transparent electrode using wavy silver nanowire networks. The technology overcomes previous limitations, enabling stable stretching and maintaining transparency and conductivity.
A new neural probe design captures lost signals in brain activity, enabling experiments previously impossible. The probe's improved shielding and boron-infused silicon increase conductivity, allowing researchers to modulate neurons with high temporal resolution.
Researchers at North Carolina State University created ultrathin, stretchable electronic material that is gas permeable, allowing sweat and volatile organic compounds to evaporate away from the skin. This breakthrough enables more comfortable long-term wear for biomedical or wearable technologies.
Researchers improve photoelectrode material's performance by increasing surface roughness, resulting in higher photon-to-current conversion efficiency. The textured structure allows for multiple light passes, enhancing sunlight absorption and hydrogen generation.
Researchers at KIST have developed a stretchable lithium-ion battery with an accordion-like micro-honeycomb structure, allowing for high energy storage capacity and long-term stability. The battery's stretchable properties enable new applications in wearable and body-implantable devices.
Researchers have developed a novel MRI compatible graphene fiber DBS electrode, enabling full activation pattern mapping by simultaneous deep brain stimulation and fMRI. This breakthrough showed a close relationship between fMRI activation and DBS therapeutic improvement in Parkinsonian rat models.
Researchers at Kazan Federal University have created a novel amperometric sensor to detect sterically hindered phenols, including synthetic phenolic antioxidants. The sensor uses electropolymerized carminic acid as the sensitive layer and has been successfully tested on linseed oils, confirming high accuracy of antioxidant detection.
Researchers at Idaho National Laboratory developed a new electrode material for an electrochemical cell that can efficiently convert excess electricity and water into hydrogen. The device operates at temperatures as low as 400-600 degrees Celsius, making it more cost-effective and sustainable.
Researchers at Yokohama National University have developed a new electrode material that improves the charge capacity of lithium batteries. This breakthrough enables longer-lasting and more energy-dense electric vehicles, reducing dependence on fossil fuels and promoting renewable energy-based applications.
A joint research team from KIER, KAIST, PNU, NTU developed a high-performance re-attachable sticker-type energy storage device. The new technology features a flexible structure that can be attached anywhere on objects or surfaces using ultrashort-pulse-lasers.
Scientists have developed a new technology to study the inner ear using synchrotron X-rays, providing insights into cochlear implant success. The method allows for three-dimensional mapping of blood vessels in the inner ear, which may lead to improved electrode design and better hearing results.
Researchers have developed a way to protect thin, flexible neural interfaces from the biological processes of the human body. The new technology uses thermally grown silicon dioxide to create a biocompatible barrier that lasts for more than six years.
Takashi Kozai aims to design a coating technology that can control neuron activity using biomolecules. The goal is to establish the relationship between different types of stimulation and their impact on excitability, which could improve BCI technology for rehabilitation of neurodegenerative diseases.
Dr. Soon Moon Jeong's team creates a new light-emitting technology using in-plane electro-luminescent technology that inserts electrodes into a luminous layer, overcoming existing limitations. The device emits light more flexibly and stably than traditional devices, with applications in wearable devices and textiles.
MIT engineers create soft, flexible neural implants that can conform to the brain's contours and monitor activity over longer periods. The devices are made from a type of polymer that is electrically conductive and can be printed using a conventional 3D printer.
Researchers developed a new investigation method to study electrocatalytic water splitting on gold surfaces with high spatial resolution. The study found that surfaces with nanometer-scale protrusions split water more efficiently than flat surfaces.
Researchers developed a simple self-charging battery using ferroelectric glass electrolyte within an electrochemical cell. The technology enables batteries to self-charge without losing energy, increasing autonomy and output power.