Sentences with phrase «on electrochemical»

Departing from studies of organometallics, he began studying the role of size, composition and morphology on the electrochemical activity of complex alloy nanoparticles for fuel cell cathodes and developed new instrumental capabilities for his work.

Imabayashi, S. - I., Kitamura, N., Tazuke, S. & Tokuda, K. Substituent effects on electrochemical reduction of viologen dimer and trimer with ethylene spacer.

The new method relies on an electrochemical process to selectively remove organic contaminants such as pesticides, chemical waste products, and pharmaceuticals.

The system uses a novel method, relying on an electrochemical process to selectively remove organic contaminants such as pesticides, chemical waste products, and pharmaceuticals, even when these are present in small yet dangerous concentrations.

It is Neuroscience 101 that neurons pass on electrochemical messages at communication sites called synapses, but it is less well appreciated that the vast majority of synapses are «tripartite,» consisting not just of a neuron sending a message and one receiving it, but also, nestled alongside each synapse, a star - shaped glial cell called an astrocyte.

Immunosensor based on electrochemical measurements and more specifically electrochemical impedance measurements have greater efficiency than other models.

The investigators hope to improve even further on these electrochemical properties by optimizing their process and allowing for doping or modification of the raw materials.

Not exact matches

Lithium - ion batteries are approaching fundamental electrochemical limits on the density of energy they can store, while their cost is nearing its floor, too — something particularly problematic for larger - scale applications.

The UMD and UMB team, led by research associate Eunkyoung Kim, used a discovery - driven approach based on the assumptions that chemical biomarkers relating to oxidative stress could be found in blood, and that they could be measured by common electrochemical instruments.

The investigators ran a series of standard electrochemical tests on the porous microspheres to quantify their potential for use in electronic devices.

«There are also nondestructive electrochemical techniques that give information on whether lithium plating has occurred during battery charging.»

Scanning electrochemical cell microscopy revealed that the dislocation density correlated with CO2 electroreduction activity, but such defects had no effect on H2 evolution.

The most likely scenario, Shatz believed, was that the molecules sat on a neuron's postsynaptic terminals, where electrochemical signals from other neurons are received.

Currently, the most efficient catalysts for the electrochemical reaction that generates hydrogen from water are based on platinum, which is scarce and expensive.

USC professor Sri Narayan's research focuses on the fundamental and applied aspects of electrochemical energy conversion and storage to reduce the carbon footprint of energy use and by providing energy alternatives to fossil fuel, Wednesday, June 10, 2014 in Los Angeles.

The information on how hydrogen diffuses in metals is usually obtained from electrochemical measurements of the rate of hydrogen permeation through a sample being usually a membrane separating two independent electrolytic cells.

While they still can't store as much total energy as a fuel cell or a battery, ultracapacitors — also known as electrochemical capacitors — can supply the burst of energy needed to accelerate up a hill or around another car on the highway.

Afyon currently works as a project leader in a research consortium led by Jennifer Rupp, professor of electrochemical materials, focused on developing an innovative solid - state battery.

«On - the - go diagnosis of HIV and HCV co-infections: Researchers have created the first paper - based electrochemical «immunosensing» platform for rapid, inexpensive diagnosis of HIV and hepatitis C virus co-infections.»

In prior achievements, these scientists invented a new class of water - based electrolytes that can work under extreme electrochemical conditions that ordinary water can not, and have successfully applied it on different lithium - ion chemistries.

Unlike the electrochemical reaction claimed by Stanley Pons and Martin Fleischmann in 1989, the Japanese reaction relies on solid - state physics.

Waldman uses our long war with the iron oxide as a loose frame, focusing more on the people crusading against the electrochemical reaction than on the science they marshal to fight it.

Bazant says researchers had not suspected, despite extensive research on lithium iron phosphate, that the material's electrochemical reactions might be limited by electron transfer between two solids.

The cost advantages of thermal storage over electrochemical storage also make a TPV with thermal energy storage (TES) system attractive for converting and storing energy for use on the grid, said Hamid Reza Seyf, a graduate research assistant who did the system modeling.

The cochlea's electrochemical activity can charge a tiny transmitter, shown here resting on a penny.

Another research group at Berkeley Lab is tackling this challenge by focusing on a specific component in a photovoltaic - electrochemical system.

Trent M. Molter, President and CEO of Sustainable Innovations, LLC, provides expertise on implementing the Harvard team's technology into commercial electrochemical systems.

Understanding these effects is also important for other applications such as splitting water molecules to produce hydrogen at solid - liquid interfaces, electronic devices that rely on oxide - oxide interfaces, or other electrochemical processes using these materials as catalysts, where defects serve as the sites that enable the interactions.

Thereby, bioelectrorefineries integrate biomass conversion processes and equipment to produce fuels, power, and chemicals from biomass, and are based on the combination of microbial and electrochemical conversions,» Harnisch says.

While at the Idaho National Engineering and Environmental Laboratory, Jacox says he read about the Mills cell and decided in 1991 to perform independent experiments along with electrochemical experts on staff in battery development.

Reversed - phase high - performance liquid chromatography (HPLC) with electrochemical detection was used to analyse ascorbic acid, based on the method of Iriyama et al. with modifications [29], [30].

«Using a combination of spectroscopic and electrochemical methods, we showed that these films can be made compact and continuous at the nanometer scale, thus minimizing parasitic light absorption when integrated on top of photoactive semiconductors.»

Reaction mechanisms for the electrochemical reduction of CO2 on the Cu (100) surface from quantum mechanics free energy calculations with explicit water.

Methods: The team invented its own electrochemical cell based on microfluidics.

Within the context of artificial photosynthesis, membranes are desired that facilitate the ion transport necessary to feed the electrochemical reactions while meeting various additional selectivity and permeability demands depending on the CO2 reduction products.

On - sun testing of photo - electrochemical (PEC) hydrogen production cells could also be supported if applicable.

In situ electrochemical SPM / Ellipsometry & Raman: J.P. Bearinger, C.A. Orme, & J.L. Gilbert, Direct observation of hydration of TiO2 on Ti using electrochemical AFM: freely corroding versus potentiostatically held conditions.

«Because they're also sensitive to the local environment, we can track when electrochemical reactions occur on a single particle, at what (electrical) potential those reactions occur and compare them to see what makes this process happen faster on one particle than another,» he said.

Mr Horne says AIM will have a more specific impact on the mining industry through projects that link novel and robust sensors with waste treatment, using a newly - developed high intensity electrochemical processing technique.

«In analyzing the X-ray data on this level, we were able to track the electrochemical reactions with far more accuracy than previous methods, and determined that iron fluoride performs better when it has a porous microstructure,» says Li.

Dr. Weber has coauthored ~ 90 peer - reviewed articles and 10 book chapters on fuel cells, flow batteries, and related electrochemical devices, developed many widely used models for fuel cells and their components, and has been invited to present his work at various international and national meetings.

Spatially - resolved characterization as a function of position on the thin film, and hence as a function of the graded thin film parameter: chemical composition (XRF, RBS) and crystallographic structure (XRD, Raman); microstructure (SEM, AFM) and surface properties (PES / XPS / UPS, KP); electrochemical (SECM), electrical (conductivity, Seebeck), optical (uv - vis, FTIR, PL) properties.

The bundle includes 4 - 5 lessons worth of content including: Introduction to electrochemical cells Daniell Cell practical Calculating emf values Predicting if a reaction is feasible based on emf values Standard Hydrogen Electrodes Electrochemical Series Fuel cells including Hydrogen Oxygen Fuel cells Exam Question assessment booklet with mark scheme

By definition, an automotive battery is an electrochemical device that stores and provides electrical energy on demand.

Plug Power focuses on A fuel cell which is an electrochemical device that combines hydrogen and oxygen to produce electricity and heat.

The extensive research proves the efficacy of the non-invasive and non-pharmacological products; relying only on the body's natural electrochemical processes to make a difference.

He also described the design of MOFs and COFs based on porphyrins that can be fine - tuned for efficient electrochemical carbon dioxide reduction.

For the record I have no scientific credentials; my education is in Engineering and my career in manufacturing has focused on aqueous chemistry, electrochemical processes, and environmental compliance.

The readings are reported on the AIR in two ways, first in the form of an infrared result («IR») and second as a electrochemical result («EC»).