Articles tagged with Electrochemistry
Researchers have developed a new electrochemical technique for printing metal objects at the nanoscale, achieving resolutions of up to 25 nanometres in diameter. This technology has vast potential applications in fields like microelectronics, sensor technology, and battery production.
Researchers at the University of Basel have developed a new family of iron-based sensitizers for dye-sensitized solar cells, promising a low-cost supplement to traditional photovoltaic systems. The new materials achieve overall efficiency of 1 percent, but represent a milestone in further research and development.
The study found that applying an electrical potential can stabilize high-temperature superconducting superhydrides at much lower pressures than previously thought. This new method could lead to the creation of new materials with broad applications in consumer and industrial sectors.
Researchers at UNSW have developed liquid metal enabled continuous flow reactors that can produce materials with tuneable system performance and controlled material quality. The systems rely on surface tension to pump fluids, eliminating the need for mechanical parts.
Researchers at Osaka Prefecture University create a high-capacity Li2S-based positive electrode using an oxidation-tolerant solid electrolyte, bringing all-solid-state batteries closer to reality. The study found that the electrochemical window of solid electrolytes must exceed 0.2V for high energy capacity.
A team of researchers from Osaka University has designed a sulfonated polyaniline network for reservoir computing, achieving 70% accuracy in speech recognition tasks. The device uses an electrochemical approach and has potential applications in the development of artificial intelligence devices.
Researchers at Washington University in St. Louis have developed a bifunctional catalyst for the oxygen electrode, enabling high round-trip energy efficiency in unitized regenerative fuel cells. The catalyst, Pt-Pyrochlore, has a bifunctionality index of 0.56 volts and achieved a RTE of 75%.
Researchers at Mainz University have conducted a literature review on cathodic corrosion in electrosynthesis, highlighting the need for new materials and methods to prevent electrode dissolution. The team aims to develop a method to generate plastic precursors from agricultural waste using electrosynthesis.
North Carolina State University researchers develop a soft and stretchable device that harnesses kinetic energy from movement to generate electricity. The device works in both dry and wet environments, including underwater, with a power density comparable to popular energy harvesting technologies.
High-energy-density Li–S batteries have been evaluated for their cycling lifespan, showing that considerable lithium polysulfides exist in the electrolyte despite high specific capacities. The actual capacity loss is mainly attributed to dissolved sulfur species rather than Li anode depletion.
Researchers from USTC create NIR-active lattice-matched morphological photoanodes with high efficiency and wide light absorption. The new design reduces carrier-trapping defects and enhances ultrafast charge transfer, paving the way for efficient NIR-based PEC devices.
Researchers at NC State re-examined birnessite's behavior, finding that nanoconfined interlayer structural water mitigates ion interactions, enabling an intermediate adsorption mechanism. This leads to capacitive behavior without significant structural change.
Scientists from Tokyo Metropolitan University have developed a scalable method to create ordered porous metallic oxide thin films using a range of transition metals. The process enables the production of highly ordered nanohole arrays ideal for various industrial applications.
A team at NYU Tandon School of Engineering developed planar micro-sensors using nano-graphitic carbon, increasing sensitivity and spatial resolution for brain studies. The sensors' performance can be adjusted by engineering material structure, offering new prospects for future brain studies.
A new method developed at KAUST uses laser beams to produce uniform, three-dimensional graphene electrodes with high porosity and surface area. The electrodes exhibit excellent electrocatalytic activity and distinguish paracetamol and other compounds. Researchers plan to optimize the fabrication of sensors and expand their applications.
Chemistry Professor Siegfried R. Waldvogel from Johannes Gutenberg University Mainz has received the 2020 Manuel M. Baizer Award, an international recognition of his pioneering work in electrochemistry and its applications. The award highlights Waldvogel's contributions to sustainable chemical product manufacturing through electrosynth...
Researchers use electrochemistry to synthesize difficult-to-make compounds and reduce waste and toxic byproducts compared to traditional chemical reagents. The ElectraSyn 2.0 module has enabled chemists to access the technology without electronics expertise, but scaling up production remains a challenge.
Scientists at Lomonosov Moscow State University have developed a new theory explaining the inertial lift force acting on finite-sized particles in microchannels. This phenomenon enables efficient particle sorting, including separation of healthy cells from cancerous ones.
Researchers have developed a proof-of-concept for producing drop-in fuels from biomass and electric energy through combined microbial and electrochemical conversion. The process achieved a 50% yield using corn beer as feedstock, with potential to scale up and improve yields.
A team of Italian scientists has created a hybrid device that links biological and electronic systems, leveraging pectin to replicate memristive behavior. The device features a double-layered polyelectrolyte structure that enables it to learn and perform logic/classification functions.
The Electrochemical Society (ECS) has removed the paywall to its digital library during Open Access Week, providing free access to over 132,000 scientific articles. This move is a precursor to ECS's Free the Science initiative, which aims to make the entire digital library open access by 2024.
Researchers found that electron diffusivity plays a crucial role in harnessing thermoelectric power from waste heat. The study sheds light on the fundamental physical process behind this phenomenon.
INRS professor Federico Rosei has received the 2015 Lash Miller Award from the Electrochemical Society Canada Section, bringing the award back to INRS after 44 years. The award recognizes his outstanding contributions to electronic and photonic devices.
Researchers have invented a new way to zip and unzip DNA strands using electrochemistry, enabling fast control at constant temperatures without dramatic changes in solution conditions. This method uses DNA intercalators that bind differently to DNA depending on their electrical state, allowing for rapid and precise control.
A new method amplifies signals in graphene oxide-based electrochemical sensors, enabling applications in medicine, chemistry, and engineering. The findings could lead to rapid and sensitive screening of environmental pollutants.
The University of Cincinnati has developed a highly sensitive sensor combining electrochemistry, spectroscopy, and selective partitioning to detect compounds in low concentrations. The three-mode sensor has been tested in various settings, including nuclear waste storage tanks and superfund sites.
William Yen, a UGA physics professor, has received an international honor for his groundbreaking work on luminescence. He was awarded the ICL Prize for his pioneering advances in understanding optical spectroscopic behavior of solids that emit light or luminescence.