Articles tagged with Electrode Processes
Researchers at the University of Waterloo developed a new electrode design that increases the performance of redox flow batteries by 52% by using triply periodic minimal surface geometries. This innovation enables more efficient storage of renewable energy, addressing the intermittency of wind and solar power.
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 at University of California, Riverside, found that symmetrical silicon molecules can be fine-tuned for quantum electron behavior, turning conductivity on or off like a molecular-scale switch. This discovery could lead to ultra-small switches and thermoelectric devices, revolutionizing electronics.
A team of researchers has successfully observed the distribution of elements in a lithium button cell during 10,000 charge cycles using non-destructive X-ray methods. The study reveals that manganese dissolves from the NMC cathode and migrates to the carbon anode, leading to further reactions and processes.
A new phenomenon in modern batteries has been discovered by Texas Engineers, which could improve their life cycles. Researchers found a temporary version of the film that forms on the metal anode during discharge speeds and dissolves back into the battery when finished.
Researchers developed a strategy to regulate hydrogen bond networks at electrolyte-electrode interfaces, accelerating proton transfer in CO2 reduction reactions. The approach involves introducing extra catalytic centers, such as cubic phase molybdenum carbide, to enhance water dissociation and facilitate proton generation.
Researchers investigated zinc electrode dissolution behavior in AZBs, revealing a transformation from 0D to 1D to 2D with increased current density. The study found differences in dissolution rates among various crystal planes, with the (002) plane most resistant and the (110) plane most susceptible.
Researchers developed a 'nano-spring coating' technology to increase the lifespan and energy density of EV batteries. The technology, featuring multi-walled carbon nanotubes, absorbs strain energy generated from charging and discharging, preventing cracks and improving stability.
Scientists at NTU Singapore have developed a solar-powered method to transform sewage sludge into green hydrogen and single-cell protein, reducing environmental damage and creating renewable energy and sustainable food. The three-step process recovers 91.4% of organic carbon and converts 63% into single-cell protein without producing h...
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.
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 developed a fabrication technique to overcome design challenges for scalable single-photon detectors, enabling ultra-fast detection of photons regardless of direction or polarization. The study provides a comprehensive guide to fabricating high-quality fractal SNSPDs with improved sensitivity and system detection efficiency.
Quinone-based carbon capture systems have been found to trap and release CO2 from the atmosphere through two distinct mechanisms. The study provides critical insights into the interplay of electrochemistry in these safer systems.
Researchers found neurotransmitters in the human brain are released during emotional language processing, providing insights into how words shape our choices and mental health. The study bridges biology and symbolism, linking neural processes to human communication and emotion.
A research team at Pohang University of Science & Technology developed a technology that visualizes the deformation of 'serpentine' structures in real-time through color changes. This innovation eliminates the need for complex nanofabrication processes, providing actionable design guidelines for optimizing these structures.
Researchers uncover the effects of calendering on silicon-based composite electrodes, revealing increased deformation and cracking with higher calendering levels. This study offers valuable insights for optimizing electrode design and improving battery safety.
Scientists have developed a liquid ink that can be printed onto a patient's scalp to measure brain activity, offering an alternative to traditional EEG tests. The e-tattoo technology is quick, comfortable, and stable, with potential applications in non-invasive brain-computer interface devices.
Researchers developed a nano-patterned copper oxide sensor to detect hydrogen at low concentrations, outperforming previous CuO-based sensors. The sensor detects hydrogen concentrations as low as 5 parts per billion and responds quickly, making it suitable for leak detection and ensuring safe adoption of hydrogen technologies.
Researchers created a new electrode design that increases the efficiency of converting CO2 into ethylene, a valuable chemical product. The electrochemical system can now be scaled up for industrial applications without significant energy or cost losses.
Researchers at the University of Illinois have created an electrochemical strategy to capture, concentrate, and destroy PFAS from water using a single device. The new process combines redox electrodialysis with electrosorption to effectively remove ultra-short-chain PFAS molecules.
A new study of bubbles on electrode surfaces could help improve the efficiency of electrochemical processes by understanding how blocking effects work. The findings show that only a smaller area of direct contact is blocked from its electrochemical activity, not the entire surface shadowed by each bubble.
Researchers at the University of Bonn and Montreal developed a new catalyst that produces methane out of carbon dioxide and water in a highly efficient way using electricity. The process has an efficiency of over 80 percent and produces few side products.
Scientists developed a streamlined approach to assemble 2D molecular structures using a supramolecular scaffold, enhancing the efficiency of singlet fission and paving the way for advancements in solar cells. The new method created two distinct 2D self-assembling structures with high quantum yields, outperforming previous designs.
The research team developed a printing-based selective metal thin film deposition technique, enabling the fabrication of high-performance soft electronic devices and circuits in various forms. The method utilizes polymer patterns to block metal vapor condensation, allowing for patterning on multi-curvature or elastic substrates.
Researchers at Macquarie University have developed a new way to produce ultraviolet light sensors using acetic acid vapour, improving performance without high-temperature processing. The study shows the sensors can be made more responsive and reliable by exposing them to vinegar vapour for around 15 minutes.
Researchers at Chalmers University of Technology have developed a new method to study fuel cell degradation, allowing them to pinpoint exactly when and where the material degrades. This provides valuable information for developing new and improved fuel cells with a longer lifespan.
A new photonic transmitter uses a wide-bandwidth packaged back-illuminated modified uni-traveling-carrier photodiode to achieve high-performance THz wireless communication. The device exhibits an over 80 GHz bandwidth and high saturated output power, promising applications in 6G mobile communication technology.
Researchers at Seoul National University developed a system that enables efficient fluid flow through capillary action, strongly bonding nanowires and substrates through photothermal effects. This approach enhances mechanical stability and allows for various applications in healthcare and medical fields.
Researchers have discovered aluminum scandium nitride (AlScN) films that remain stable and maintain their ferroelectric properties at temperatures up to 600°C, making them promising candidates for next-generation ferroelectric memory devices. The films exhibit a high remnant polarization value and only a slight increase in coercive fie...
Researchers at Pohang University of Science and Technology have developed a gel electrolyte-based battery that significantly reduces gas generation during charging and discharging processes. The new technology maintains its capacity even after 200 cycles, demonstrating enhanced safety and durability.
Researchers developed a unique electrochemical ultrasonic force microscopy (EC-UFM) technique to observe sodium-ion battery interfaces during operation. The new method guides passivating layer formation, preserving charge carrier transport and enhancing battery performance.
Concordia researchers develop micro photosynthetic power cells that harness algae's photosynthesis to generate electricity. The system can power low- and ultra-low power devices like IoT sensors, removing carbon dioxide from the atmosphere and producing only water as a byproduct.
Researchers developed polymeric protective films to improve anode interface stability in sulfide-based all-solid-state batteries. The films, made from various polymers, showed improved interfacial stability and high-capacity retention rates after multiple cycles.
Researchers discovered that adding water-resistant materials to an electrode can dramatically speed up chemical reactions in water, known as 'fouling'. This process can increase reaction rates up to six times faster than traditional methods. By leveraging this method, the chemical industry may be able to reduce its reliance on fossil f...
Researchers developed a device controlling tiny magnetic states in ultrathin magnets using tunneling currents, enabling probabilistic computing. This breakthrough could lead to advanced memory devices and entirely new types of computers solving complex problems efficiently.
Researchers have decoded the multiple oxidation processes at the platinum-electrolyte interface in high-temperature PEM fuel cells using tender X-ray studies. The results show that variations in humidity can influence some of these processes to increase the lifetime and efficiency of fuel cells.
A team of researchers from the University of Texas at Austin has developed a calibration-free brain-computer interface that allows users to control games and devices using only their thoughts. The device uses machine learning capabilities to self-calibrate, making it faster and more accessible for people with motor disabilities.
University of Illinois Chicago engineers have developed a new ammonia production process that meets several green targets. The process combines nitrogen gas and ethanol with a charged lithium electrode, producing ammonia at low temperatures and regenerating materials with each cycle. If scaled up, the process could produce ammonia at 6...
Researchers at a FAPESP-supported research center have developed an electrochemical nitrogen reduction process using iron oxide and molybdenum disulfide catalysts. This method eliminates the need for high temperatures and pressures, reducing power consumption and greenhouse gas emissions.
Researchers discover that methane sulphonic acid (MSA) hydrolysis can produce higher yields of xylose and activated carbon from hemp seed hulls compared to traditional methods. The use of MSA also leads to the formation of high surface area activated carbon with improved delignification properties.
A research team developed an anode protection layer to prevent random electrodeposition of lithium, promoting stable 'bottom electrodeposition' and reducing unnecessary consumption. The breakthrough results in all-solid-state batteries with stable electrochemical performance over extended periods using ultrathin lithium metal anodes.
Researchers from Tokyo University of Science developed a flexible paper-based sensor that operates like the human brain, enabling low-power and efficient health monitoring. The device can distinguish 4-bit input optical pulses and generate currents in response to time-series optical input, with rapid response times.
Rice University researchers have developed a new, energy-efficient process to upcycle glass fiber-reinforced plastic (GFRP) into silicon carbide, widely used in semiconductors and sandpaper. The method involves heating the mixture of GFRP and carbon to extremely high temperatures, transforming it into conductive silicon carbide.
A new project, NaKlaR, aims to improve the efficiency and sustainability of sodium-ion batteries by optimizing production processes and recyclability. The goal is to develop a battery with performance comparable to current reference cells while containing at least 25% recycled electrode material.
Scientists have discovered that the bat brainstem processes echolocation and communication calls differently, with a stronger response to less frequent calls due to better neural synchronization. The findings may also be relevant to medical applications in humans, such as understanding diseases like ADHD or schizophrenia.
Scientists at Yokohama National University have created a new type of lithium-ion battery using nickel ions, which can be used in electric vehicles without the need for cobalt. The material overcomes key stability issues by suppressing nickel-ion migration and achieving consistent reversibility.
Researchers develop electrochemical method to release hydrogen stored in hydrogen boride sheets, achieving high Faradaic efficiency. The process is expected to contribute to the development of safe and lightweight hydrogen carriers with low energy consumption.
A research team at Helmholtz-Zentrum Dresden-Rossendorf develops a new approach for fast and cost-effective pathogen detection using miniaturized biosensor devices and systems. The system can simultaneously carry out up to thirty-two analyses of one sample, offering significant advantages over traditional electronic FET-based biosensors.
Researchers have designed a new, affordable system to study neural interactions and compute using living neurons. The open-source MiV system boasts over 500 electrodes, offering improved control and precision in measuring neural processes.
The study introduced a silver-dispersive chalcogenide thin film for use in memristive devices, addressing data retention and endurance challenges. The device demonstrated reliable state retention and endurance, even at high temperatures, and achieved a recognition rate of ~92% in the MNIST database.
A team of scientists from Ruhr-University Bochum and the Fraunhofer Institute has developed a novel catalyst system for converting carbon dioxide into raw materials. The system, which uses homogeneous electrocatalysts, can efficiently convert CO2 under industrial conditions and maintains stability over 100 hours without decay.
Researchers found that space weather events can trigger 'wrong side' failures in rail signalling systems, which are more hazardous than 'right side' failures. This study highlights the need for the industry to consider the risks of space weather and explore mitigation strategies.
Researchers from MIT have developed a new method to integrate fragile 2D materials into devices, opening the path to next-generation devices with unique optical and electronic properties. The technique relies on engineering surface forces available at the nanoscale, allowing for pristine interfaces.
Researchers from GIST have developed a new electrode using Schottky junctions to overcome the conductance limit of active catalysts, achieving high-performance water splitting and hydrogen evolution reactions. The electrode demonstrated remarkable current density and durability during continuous operation for 10 days.
An international team at DTU has increased the durability of CO2 electrolyzers, enabling the conversion of captured CO2 into valuable green chemicals like ethylene and ethanol. The breakthrough could play a significant role in the green transition by reducing global CO2 emissions
Researchers create biphasic gel iontronics that mimic neural networks, enabling diverse ionic signal transmission. The system is capable of regulating cardiac electrical activity and converting electronic signals into bioionic signals.
A novel strategy utilizing phosphorus nanolayers mitigates electrode-level heterogeneity in fast-charging lithium-ion batteries. The graphite-phosphorus composite exhibits consistent cycle retention, high Coulombic efficiency, and improved lithiation uniformity.
Studies suggest that humans process small and large numbers differently, with smaller numbers detected more quickly and accurately. Neurons in the brain fire at different rates for specific numbers, with errors increasing as numbers grow larger.
Researchers at the University of Bath have created a novel technique that removes salt from seawater without high pressure or substantial electrical power. The process uses a small amount of electrical energy to pull chloride ions through a membrane, gradually drawing in more water molecules.
Researchers have found that diamond materials can release electrons in water and trigger chemical reactions when excited by light. The team used X-ray spectroscopy to precisely track the processes taking place on the surface of diamond materials, revealing that they are well-suited for use in aqueous solutions.