Articles tagged with Electrodes
Researchers have developed a 3D electrode inspired by an aquatic plant, which captures and transports gas bubbles to increase hydrogen production. The design achieved a current density eight times higher than common flat electrodes, collecting 53.9% more hydrogen.
The new dynamic shielding layer allows the sensor to focus on specific areas when needed, achieving a 104.56% increase in detection depth. The sensor can also detect approaching objects from over 90mm away, providing a vital split-second for robots to avoid collisions.
Researchers found that implanted cuff electrodes can trigger unintended nerve stimulation during MRI, causing discomfort or pain. The study recommends more refined guidelines and careful safety considerations to mitigate this risk.
Xiwen Gong and Zhen Xu, both from the University of Michigan Engineering, received the award for developing optoelectronics and histotripsy, a cancer treatment using sound waves. The new treatment can spare patients from chemotherapy and radiation therapy.
Researchers review how torrefaction converts biomass into versatile precursor for advanced functional materials. The process improves durability, electrical properties, and surface chemistry, enabling specific technological uses.
Researchers at Jeonbuk National University have developed a new Prussian-blue based electrode that can effectively remove cesium from water. The electrode, made by combining Prussian blue with chemically treated carbon cloth, demonstrates high capacity for cesium adsorption and excellent reusability.
Researchers developed a new nickel-iron battery that can recharge in seconds and achieve over 12,000 cycles of draining and recharging, equivalent to 30 years of daily recharges. The technology uses tiny clusters of metal patterned with proteins on a graphene aerogel substrate.
Researchers introduce a novel fabrication technique to create high-resolution, low-resistance graphene electrodes for transparent and flexible devices. The method achieves exceptionally low electrical resistance and high pattern fidelity without etching-induced defects or chemical contamination.
Electrospinning fabricates electroactive fibrous scaffolds that mimic the structure of the extracellular matrix while providing electrical activity, enabling non-invasive and self-powered tissue repair. This technology promotes diverse intelligent applications in tissue regeneration, including conductive, piezoelectric, and triboelectr...
Researchers developed an anode-free lithium metal battery that delivers nearly double driving range using the same battery volume. The battery's volumetric energy density of 1,270 Wh/L is nearly twice that of current lithium-ion batteries used in electric vehicles.
A new hybrid anode technology has been developed that delivers higher energy storage while reducing thermal runaway and explosion risks. The 'magneto-conversion' strategy applies an external magnetic field to ferromagnetic manganese ferrite conversion-type anodes, promoting uniform lithium ion transport and preventing dendrite formation.
Researchers found that sodium-ion batteries using hard carbon negative electrodes can reach faster charging rates than lithium-ion batteries, thanks to the pore-filling mechanism. This process is limited by the efficiency of ion aggregation within the electrode's nanopores, which requires less energy for sodium insertion.
Researchers at Linköping University have successfully created electrodes from conductive plastics using visible light, eliminating the need for toxic chemicals. The technology allows for the creation of flexible electronics and biocompatible sensors on various surfaces, including skin.
Researchers developed three advanced strategies to create ordered membrane electrode assemblies for high-efficiency anion exchange membrane water electrolysis. The first strategy uses nanoimprinting, while the second employs integrated membrane electrodes. The third strategy leverages 3D interlocked interfaces, achieving exceptional pe...
Researchers have developed a new acoustic wave-producing technology on an electronic chip, enabling customizable curved waves for trapping objects, routing wave information, and transporting fluids. This innovation has significant potential in medical applications, such as noninvasive surgery and biosensors.
Researchers from POSTECH found that aluminum reduces internal structural distortion in cathodes, preventing oxygen holes and shortening battery life. By adding a small amount of aluminum, the team extends battery lifespan while improving energy density.
Researchers developed a scalable solution using a perforated Cu current collector to induce a regularly arranged micropore structure, enhancing ion diffusion and mechanical stability in SiOx/Artificial Graphite electrodes. This design improvement leads to improved electrochemical performance for fast-charging and long-life batteries.
A new anion-exchange-membrane water electrolyzer technology has been developed to address the degradation issue in membrane electrolyzers. This innovation combines the efficiency of simple caustic or alkaline electrolytes with the low-cost material advantages of solid polymer membranes.
A new, affordable sensor detects toxic perchlorate in water with rapid accuracy, offering a solution for better environmental monitoring and public health. The sensor's design combines precision molecular engineering with practical field applications to improve safety.
A new alloy design strategy for metal alloy negative electrodes has improved the performance and durability of next-generation solid-state batteries. The design enhances lithium ion movement, leading to faster charge-discharge rates and longer battery lifespan.
Researchers at South China University of Technology develop a method to solve unstable anode:electrolyte interfaces using digital light processing (DLP) 3D printing. The resulting batteries retain over 91% capacity after 8,000 cycles and achieve stable cycling over 2,000 hours.
Researchers at Tampere University discovered that quantum scars enhance electron transport in open quantum dots, enabling electrical conduction in nanoscale components. This breakthrough paves the way for developing efficient microchips and potentially new types of qubits for quantum computing.
Researchers developed a dynamic soft electrode called NeuroWorm that enables wireless steering of implanted devices via external magnetic fields. This allows for noninvasive repositioning of implants, potentially eliminating surgeries due to drift or misplacement.
A deep learning approach called Electrode Net optimizes porous-electrode design without sacrificing accuracy. The method achieves high predictive accuracy and speeds up computation time by 96%, enabling rapid screening of large design spaces.
A team of researchers proposes hydroxyl adsorption as a selectivity descriptor for electrocatalytic nitrate reduction to ammonia over copper-based catalysts. They found that more negative potentials and lower NO3- concentrations can improve ammonia selectivity.
Researchers from Tohoku University have discovered a new material that can conduct both protons and electrons efficiently at intermediate temperatures. The material, titanium dioxide doped with niobium, enhances proton conductivity by up to 10 times, making it suitable for next-generation fuel cells and hydrogen separation membranes.
Scientists investigated how Pr content impacts perovskite oxide crystal structure and oxygen exchange. Higher Pr content led to disorder phase transition and improved orbital hybridization, accelerating oxygen exchange. The discovery provides guidance for designing high-performance SOEC anodes.
Recent advances in biofabrication and biomedical electronics have led to the development of biohybrid-engineered tissue (BHET) platforms, turning passive constructs into intelligent systems. These platforms show promise in diverse applications, including brain organoids and cardiac tissues, blurring the line between biology and machine.
Researchers at Rice University found that electrode materials' thermodynamic properties impact energy flow and performance differently. They showed that even with similar structures, some materials degrade faster under identical cycling conditions due to uneven lithium flow.
A novel electrochemical microfluidic workstation detects additive concentrations in acidic copper plating solution with average relative errors below 10%. The system reduces single-test solution consumption to 220 microliters, enabling online monitoring of process stability and reliability.
Scientists have created a novel method to distinguish between healthy and senescent cells using electric fields, marking a fresh start in ageing research. The frequency-modulated dielectrophoresis (FM-DEP) technique is label-free, rapid, and easy to apply, allowing for the characterization of cell type by measuring the cutoff frequency.
Researchers at POSTECH have developed an interlocked electrode-electrolyte system that forms covalent chemical bonds between the electrode and electrolyte, maintaining long-term stability. The IEE-based pouch cell demonstrated significantly higher energy density compared to traditional lithium-ion batteries.
A new hairlike electrode made of 3D-printed hydrogel material has been developed to monitor brain activity for extended periods without the need for gels or skin preparation. The device's lightweight and flexible design allows for stable, high-quality recordings and minimizes discomfort, making it suitable for chronic monitoring.
Researchers at Shinshu University have developed a double-helical fiber sensor design that places both electrodes on one end, addressing the mechanical challenges of traditional wearable sensors. The new design enables durable, flexible sensors suitable for tracking finger gestures, facial expressions, and gait movements.
Researchers at UCLA Health are launching a clinical trial to test whether wearable nerve stimulation can ease ADHD symptoms in children with prenatal alcohol exposure. The study aims to improve focus and behavior by gently stimulating the trigeminal nerve, which is linked to attention and executive function.
Scientists at EPFL create a flexible auditory brainstem implant that closely conforms to the curved surface of the brainstem, enabling better tissue contact and reducing side effects. The device has been successfully demonstrated in macaques, showing promising results for high-resolution prosthetic hearing.
Researchers developed an intelligent lithium plating detection system using a Random Forest machine learning algorithm, analyzing pulse charging data to identify subtle electrical signatures. The system achieves high accuracy and can be implemented without modifying existing battery systems.
A team of researchers, led by Jean-Paul Noel, has discovered that the brain's motor area largely coincides with the onset of intention. The study used a brain-machine interface to separate intentions from actions in a paralyzed participant, revealing a compressed temporal binding between intention and action.
A study presents a versatile electrodynamics simulation model to analyze driving forces in partially filled electrodes, optimizing structural parameters of digital microfluidic chips. The model reveals the effects of dielectric layer parameters, droplet electrical properties, and substrate spacing on droplet driving performance.
Researchers have developed a new understanding of electrolyte wetting in advanced lithium-ion batteries, revealing the impact of manufacturing processes on wetting behavior. The study provides insights into permeability and capillary forces, offering concrete guidance for optimizing production processes.
Researchers developed a method to detect epileptic seizures in humans using canine EEG data. The approach leverages feature similarities across species and modalities, reducing input space discrepancies. Euclidean alignment and knowledge distillation are key components of the proposed joint alignment mechanism.
Researchers have developed a new understanding of electrolyte wetting in advanced lithium-ion batteries, addressing a critical bottleneck in manufacturing. The study's findings reveal that manufacturing processes impact wetting behavior through key parameters like permeability and capillary forces.
Researchers developed a streamlined process for converting CO₂ into carbon monoxide with record-breaking efficiency, cutting down processing time from 24 hours to 15 minutes. The new method uses low-cost pigment-based catalysts and offers a promising pathway for carbon neutral energy production.
A team of chemists from Virginia Tech found a way to visualize the intricate structure and chemical reactions of battery interfaces using an X-ray beam line. This breakthrough enables researchers to gain better control over these critical surfaces, potentially leading to cheaper, higher performance batteries.
Researchers at UT Health San Antonio are among the first to use adaptive deep brain stimulation technology that adjusts treatment based on a patient's symptoms. This innovative approach offers improved therapy and symptom optimization for patients with Parkinson's disease, dystonia, epilepsy, and essential tremor conditions.
Researchers at Saarland University and ZeMA are developing smart film actuator technology using thin silicone films that can be precisely controlled to vibrate, flex, or press. These films enable wearable textiles to provide haptic feedback for enhanced VR gaming experiences and industrial gloves to respond to hand gestures.
Researchers are testing a brain pacemaker to treat severe alcohol and opioid addiction, aiming to develop effective treatments and understand the brain mechanisms driving addiction disorders. The trial, known as Brain-PACER, uses deep brain stimulation to modulate brain activity and cravings.
Binghamton University researchers have created a hydrogel electrode that includes conductive carbon nanotubes to monitor nerve activity in spinal cord neurons and leg muscles in mice. The technology solves the problem of rigid materials causing damage during movement, allowing for long-term functionality and single-cell signal detection.
Researchers at Nagoya University developed a new technique to improve electrode performance in seawater purification, allowing for higher surface area and increased efficiency. The oxygen-doped electrodes show promise for reducing water purification costs and expanding applications beyond water treatment.
Researchers at HZB have developed a highly porous tin foam that can absorb mechanical stress during charging cycles, making it an interesting material for lithium batteries. The study showed that the morphology of the tin electrodes changes significantly due to inhomogeneous absorption of lithium ions.
A team of researchers at SLAC National Accelerator Laboratory and Leiden University identified the cause of platinum electrode corrosion in water electrolyzers. Using high-energy-resolution X-ray spectroscopy techniques, they found that platinum hydride formation is responsible for the degradation.
Researchers from Indian Institute of Technology developed bifacial perovskite solar cells with a novel NiO/Ag/NiO transparent electrode, achieving high efficiency, durability, and infrared transparency. The cells demonstrated impressive power conversion efficiencies and high bifaciality factors.
Researchers have developed a novel LiMn₂O₄ electrode material with improved lithium extraction capacity and cycle stability. The SnO₂ nanoparticle island-modified LMO electrode material shows good selectivity and stability for lithium ions, enabling efficient electrochemical salt lake lithium extraction.
Harvard researchers have developed a silicon chip capable of recording small yet telltale synaptic signals from a large number of neurons. The chip has successfully mapped over 70,000 synaptic connections from approximately 2,000 rat neurons.
A new method for ammonia synthesis has been developed, utilizing a unique electrode structure to achieve high rates and stability. The approach uses nitrate as a nitrogen source and water as a hydrogen source, reducing carbon emissions compared to traditional Haber-Bosch process.
Researchers developed an innovative in vivo electrophysiological neural recording technology using a 5-µm-diameter microneedle electrode, significantly reducing neuronal death and stable recordings. The device enables long-term stable neural activity recordings for over a year.
Researchers developed new materials to facilitate electron transfer between enzymes and electrodes, improving biosensor performance. This innovation enables accurate measurements for disease diagnosis, environmental monitoring, and sustainable energy technology.
A team of scientists at Linköping University has developed a method to anchor conductive polymers to individual living cell membranes without affecting the cell's functions. This innovation opens up new possibilities for treating neurological diseases with high precision.
A study by TU Wien found that nerve stimulation is more effective when synchronized with the body's natural rhythms, particularly during systole and inspiration. This technology has potential for non-invasive treatment of chronic diseases.
A new AI-driven approach allows for the reconstruction of heart muscle cell signals with high accuracy, providing insights into cellular communication and response to drugs. This noninvasive method could dramatically reduce drug development time and cost, enabling personalized medicine.