Articles tagged with Electrode Processes
Researchers have developed a method to control the electronic character of graphene nanoribbons by making metal contacts using direct-write scanning tunneling microscopy. This precise technique allows for device functionality needed for transistor function, overcoming previous uncertainty with giant electrodes.
A new method of analyzing nanoscale X-ray movies reveals unprecedented insights into how lithium-ion batteries store and release charge. The study suggests ways to improve the efficiency of billions of nanoparticles in electrode materials, potentially leading to faster-charging batteries.
Scientists developed a novel technique to evaluate carbon particle dispersion in battery electrode slurries, enabling enhanced battery electrodes. The study's results show that measuring viscosity and electrochemical impedance can provide insights into dispersibility.
A new study led by Dr. Xuekun Lu has found a way to prevent lithium plating in electric vehicle batteries, which could lead to faster charging times and improve the battery's energy density. The research also reveals that refining the microstructure of the graphite electrode can minimize the risk of lithium plating.
A team of researchers has successfully created a high-performance graphene-dielectric interface using a novel technique called UV-assisted atomic layer deposition. This breakthrough results in uniform atomic layer deposition without compromising graphene's properties, leading to improved electrical performance and reduced defects.
Researchers developed a method to reduce platinum-group metal loadings in fuel cells, resulting in competitive performance and better durability. The new process could enable mass production of fuel cell electric vehicles, offering zero emissions and higher energy density.
Research from UTHealth Houston reveals that different brain regions are engaged when processing simple versus complex melodies and sentences. The study used intracranial electrodes to map brain activity during music and language tasks, finding shared temporal lobe activity but distinct sensitivities to melodic and syntactic complexity.
Scientists at Chalmers University of Technology have created a new method for removing mercury from concentrated sulphuric acid, reducing levels by more than 90%. This innovation could lead to reduced mercury emissions and the production of high-purity, non-toxic products in industries such as mining and metal refining.
Researchers at TUM developed a new approach to measure human brain activity using microelectrodes and awake brain surgery. They found individual neurons specialize in handling specific numbers, providing insights into cognitive functions and developing solutions for brain function disorders.
Researchers at Shibaura Institute of Technology have developed a faster way to synthesize CoSn(OH)6, a powerful catalyst required for high-energy lithium–air batteries. The new method uses solution plasma-based synthesis and achieves highly crystalline CSO crystals with improved catalytic properties.
Researchers have developed a three-dimensional mesoporous biosensing-membrane with neighborhood nanostructures, exhibiting excellent sensitivity and long-term stability. The membrane uses a ternary coating to assemble Prussian blue and glucose oxidase, improving cascade reaction efficiency and sensing stability.
The study uses neural recordings and computer modeling to show that phonetic information is encoded differently when speech stands out versus being drowned out. This finding could help develop more accurate hearing aids.
Researchers introduced a next-generation model membrane electrode with ordered array of hollow giant carbon nanotubes, unlocking new possibilities for energy storage and electrochemical studies. The conformally carbon-coated layer exhibits vertically aligned gCNTs with nanopores ranging from 10 to 200 nm in diameter.
A new research project, LC-H2, will develop next-generation electrodes to boost energy efficiency in electrolysis. This will help reduce grey hydrogen's carbon footprint and increase the share of green hydrogen in European energy systems.
Researchers have developed a solvent-free process to manufacture lithium-ion battery electrodes that are greener and cheaper than traditional methods. The new process produces electrodes that can charge faster, with a capacity of 78% in just 20 minutes.
Researchers at Kyoto University have successfully created silicon-based photovoltaics at room temperature using a hybrid PEDOT:PSS/silicon heterojunction. This breakthrough technology offers improved production speed and cost, with power generation efficiency above 10%. The new process has the potential to facilitate large-scale diffus...
Researchers at Drexel University have developed a new method that combines UV-visible spectroscopy with cyclic voltammetry to track ion movement in batteries and supercapacitors. This breakthrough could lead to the design of higher performing energy storage devices.
WVU engineers developed a new electrode cuff called MouseFlex to test electric current treatments, overcoming previous challenges with stability and durability. The device can withstand high electrical stimulation and may benefit patients with conditions like rheumatoid arthritis and drug-resistant epilepsy.
Researchers from Osaka University have improved the Faradaic efficiency of nitrogen reduction into ammonia at ambient pressure using trace water. This work helps optimize the sustainability of the Haber-Bosch reaction, which contributes substantially to global carbon emissions.
Researchers have developed a new approach to correlative atomic force microscopy, allowing for the simultaneous measurement of electrocatalyst properties. This study focuses on nanostructured copper-gold electrocatalysts and provides insights into catalyst-electrolyte interfaces, enabling targeted optimization.
A team of researchers has successfully produced green hydrogen from seawater without pre-treatment, achieving nearly 100% efficiency. This breakthrough uses a non-precious and cheap catalyst in a commercial electrolyser, offering a solution to directly utilize seawater for hydrogen production.
Researchers at Washington State University have developed a new screen-printing method to create stretchable and durable wearable electronics. The process uses a multi-step layering technique to create snake-like electrode structures that can be transferred onto fabric or worn directly on human skin.
Researchers developed an all-optical approach to pumping chip-based nanolasers, enabling dense arrays of highly precise devices. This method could aid in meeting the growing need for faster data processing, streaming ultra-high-definition movies and gaming.
Researchers at UNIST developed superaerophobic polyethyleneimine hydrogels to improve electrochemical hydrogen production by promoting bubble detachment. These hydrogels can be easily coated on electrodes, allowing for controlled pore size and porosity, leading to enhanced performance.
Engineers at Rice University have discovered a method to make oxygen evolution catalysis in acids more economical and practical. They replaced rare and expensive iridium with ruthenium, a far more abundant precious metal, as the positive-electrode catalyst in a reactor that splits water into hydrogen and oxygen.
A team of researchers at Osaka University developed a new method for direct three-dimensional bonding of copper electrodes using silver, enabling reliable connections at low temperatures without external pressure. The process can be performed under gentle conditions, resulting in permanent connections as small as 20 micrometers.
Researchers at Aalto University have discovered a new recycling method for lithium-ion batteries that replenishes spent lithium in electrodes without crushing or melting. This process saves valuable raw materials and likely energy compared to traditional methods, which extract metals from crushed batteries by melting or dissolving them.
The EPIC project aims to accelerate electrode drying for lithium-ion batteries by increasing energy efficiency and reducing costs. Innovative drying management techniques are being developed and tested to improve the environmental performance and position Germany as a leading location for battery production.
Scientists have developed a new technique to visualize the behavior of ions in supercapacitors, revealing that different processes occur at work in the two electrodes. The research uses nuclear magnetic resonance (NMR) spectroscopy and tiny weighing scales to measure changes in mass as ions interact with the surface.
A new technique using electricity instead of chemicals to drive chemical separation processes could greatly reduce waste byproducts at the Hanford nuclear site. The method, being tested for large-scale cleanup efforts, has shown promise in reducing radioactive waste and hazardous byproducts.