Electrochemical refers to a process or reaction that involves both electricity and chemicals. It relates to the interactions between electrical currents and chemical substances, which can create changes, reactions, or transformations in those substances.
Full definition
Other chemists favor a more traditional approach that would carry out similar reactions, but near room temperature in
electrochemical cells that need electricity and special catalysts.
: Ph.D. students will work on the investigation of degradation mechanisms
in electrochemical energy conversion and storage materials using in situ stress and strain measurement techniques.
The researchers wanted to determine how those defects changed the physical and
electrochemical properties of the molybdenum sulfide.
Until now, metal - organic frameworks were considered poor conductors and not very useful
for electrochemical reactions.
After two years of research, a French team, mostly including researchers from the CNRS and CEA within the RS2E network on
electrochemical energy storage (Réseau sur le stockage électrochimique de l'énergie)[1] have just designed an alternative technology to Li - ion for application in specific sectors.
In solution, the salt dissociates into silver cations, allowing production of silver metal deposits by
electrochemical reduction reaction using solvated secondary electrons rather direct molecular decomposition.
Our brains are composed of billions of individual cells called neurons, which communicate along millions of billions of channels with
electrochemical signals.
Storage of electric energy is usually performed in batteries or
by electrochemical conversion into fuels such as hydrogen or methane.
This capability consists of fabrication and characterizing both MEA individual components (i.e., catalyst, membrane, etc.) and MEA collective properties
using electrochemical methods.
Imabayashi, S. - I., Kitamura, N., Tazuke, S. & Tokuda, K. Substituent effects
on electrochemical reduction of viologen dimer and trimer with ethylene spacer.
The scientists also tested the MoSoy catalyst anchored on sheets of graphene — an approach that has proven effective for enhancing catalyst performance in
electrochemical devices such as batteries, supercapacitors, fuel cells, and water electrolyzers.
[1] Hydrogen internal combustion engine vehicles are different from hydrogen fuel cell vehicles (which use
electrochemical conversion of hydrogen rather than combustion); the hydrogen internal combustion engine is simply a modified version of the traditional gasoline - powered internal combustion engine.
New problem for firefighters The problem is compounded by the fact that newer lithium - ion batteries store more electricity than other
electrochemical storage systems.
The LLNL team has developed unique capabilities for the characterization of
electrochemical systems for more than 15 years [1]; furthermore, they have ~ 20 years» experience in the use of XAS / XES to determine information critical to the performance of photoabsorber materials, particularly in the arena of photovoltaics.
Here we report an iridium oxide / strontium iridium oxide (IrOx / SrIrO3) catalyst formed during
electrochemical testing by strontium leaching from surface layers of thin films of SrIrO3.
Lithium metal has the highest specific heat of any solid element and it is sometimes used as battery anode material
electrochemical potential).
Almost all ATP synthesis is the result of urea hydrolysis, which generates an energy - producing
electrochemical gradient.
Choi and Cha, however, developed an efficient
electrochemical method to oxidize HMF to FDCA at room temperature and ambient pressure using water as the oxygen source.
Abstract: Widespread use of artificial photosynthesis hinges upon development of photocatalysts and light absorbers with excellent
electrochemical stability in aqueous solution.
Their findings suggest that a red bread mold could be the key to producing more sustainable
electrochemical materials for use in rechargeable batteries.
Carbon - coated glass derived - silicon (gSi @C) electrodes demonstrated excellent
electrochemical performance with a capacity of ~ 1420 mAh / g at C / 2 rate after 400 cycles.
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.
Short of that, scientists may be able to decouple IEDs
from electrochemical signals associated with memory consolidation.
The difference in pH — basically a measure of proton concentration — between the seawater and effluent also gives rise to a proton gradient across the walls of these pores,
creating electrochemical potential that molecules inside the chambers could tap.
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.
However, a major challenge is to develop efficient ways to convert solar energy
into electrochemical energy on a massive - scale.
Kehr, J.; Hu, X.J.; Yoshitake, T.; Scheller, D. Determination of the dopamine agonist rotigotine in microdialysates from the rat brain by microbore column liquid chromatography with
electrochemical detection.
When the neuron is stimulated, sodium ions rush into the cell and potassium ions rush out, leaving the neuron with a positive
electrochemical charge.
They packed the electrolyte into a solid membrane, deposited active ions on top, and characterized the cell using traditional
electrochemical techniques.
Defense counsel and appellate counsel for a large medical device company owned by a Fortune 500 company in a patent infringement suit involving methods of using
electrochemical sensors for blood glucose monitoring.
New membrane with multilayer structure allows — in combination with appropriate measurement techniques — for
electrochemical studies on hydrogen permeation rate in reactive metals, including magnesium.
Some scientists think the secret is in short
electrochemical pulses exchanged between neurons — the language of the brain.
Hydrogen - powered fuel cells are a green alternative to internal combustion engines because they produce power
through electrochemical reactions, leaving no pollution behind.
The neurons then attempt to restore their resting
electrochemical balance by absorbing water, resulting in brain swelling.
Developed electrochemical methodology to investigate the cholesterol content of cell plasma membranes, Proof - of - concept for in vivo human membrane cholesterol analysis.
This novel material significantly enhanced catalytic activity for the oxygen reduction reaction — the splitting of an O2 molecule into two oxygen ions — that is critical to fuel cells and potentially other
electrochemical applications.
These techniques also could be used to produce and probe the internal structure of targets for the National Ignition Facility, as well as optical and mechanical metamaterials and 3D - printed
electrochemical batteries.
Their new catalyst possesses the structure of nanofiber - based perovskite materials and exhibits
excellent electrochemical performance, close to that of today's precious metal catalysts, yet it is still inexpensive.
He also described the design of MOFs and COFs based on porphyrins that can be fine - tuned for efficient
electrochemical carbon dioxide reduction.
Phrases with «electrochemical»