Sentences with phrase «electrochemical reactions»

Fuel cell - A fuel cell generates electricity in a direct and continuous way from the controlled electrochemical reaction of hydrogen or another fuel and oxygen.

«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.

Until now, metal - organic frameworks were considered poor conductors and not very useful for electrochemical reactions.

Hydrogen - powered fuel cells are a green alternative to internal combustion engines because they produce power through electrochemical reactions, leaving no pollution behind.

Direct gas feed configurations, such as flow - through GDEs, enable efficient and stable electrochemical reactions without mass transport limitations.

Direct gas feed configurations, such as flow - through GDEs, provide a unique electrode structure for efficient and stable electrochemical reactions without mass transport limitations.

By mixing DNA with an electrochemiluminescent (ECL) agent, a mixture that lights up after electrochemical reactions take place, and exposing it to extracts from cigarette smoke and e-cigarette vapor, the chemists were able to spot DNA damage.

They are pseudocapacitive, meaning they allow reversible electrochemical reactions, and they also are chemically stable and inexpensive.

It says electrochemical reactions between the inner steel hull and the outer titanium shell are accelerating the corrosion of titanium into flakes which bind to plutonium.

Hydrogen oxidation and hydrogen evolution reactions are two of the simplest electrochemical reactions, yet happen to be the backbone to developing critical clean energy technologies.

Too much heat drives the cell's electrochemical reactions faster, leading to accelerated aging.

«All batteries, both rechargeable and nonrechargeable, undergo electrochemical reactions.

From there, they flow to the platinum cathode, which needs electrons to carry out its own electrochemical reactions.

These results provide the foundation for our team at JCAP to screen, characterize, and deploy new catalysts for the most challenging electrochemical reactions.

Unique research tools and imaging expertise from researchers in EMSL, DOE's Environmental Molecular Sciences Laboratory at PNNL, will help the team understand complex electrochemical reactions as they occur within working batteries, as well as determine why batteries ultimately fail.

Not only are physiological biomaterials and live cells able to be imaged with Park SICM, but various pipette - based applications can be integrated into the investigation such as patch clamping for ion channel signal detection, electrochemical reaction analyses, and even nanoinjections or nanobiopsies.

Batteries store electricity in Faradic electrochemical reactions.

Prof. Lynden Archer, chemical and biomolecular engineering, the James A. Friend Family Distinguished Professor of Engineering, and Wajdi Al Sadat, grad — who are the authors of this paper — have created a cell which can use carbon dioxide to produce electricity via electrochemical reactions.

Some are using solar power to run electrochemical reactions to break down waste.

An individual's will, personality, and reasoning are nothing more than electrochemical reactions.

Saltwater hitting the statue's iron skeleton and copper skin set up a galvanic cell, Ramirez says, an electrochemical reaction that caused the copper to corrode.

As batteries are used and charged, the electrochemical reaction results in the movement of ions between the two electrodes of a battery, which is the essence of an electrical current.

When it gets cold, the ester - based conventional electrolytes that lithium - ion batteries often use become sluggish conductors and the electrochemical reactions that occur at the interface of the electrolyte and the electrode struggle to continue — meaning that lithium - ion batteries don't hold up too well in ultra-chilly climates.

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

The catalysts in the air cathode aids the electrochemical reaction of the cell with oxygen gas.

Its fuel cell combines hydrogen from the tank with oxygen in the air, creating an electrochemical reaction that generates current to supply electric motors.

How it works: Flow batteries work in a similar way to typical solid batteries, but they can store exponentially greater amounts of energy since the chamber where the electrochemical reaction occurs is attached to large tanks that hold electrically charged liquid.

Materials called catalysts spur these electrochemical reactions.

The plastic - like membrane wears down over time, especially if it undergoes too many wet / dry cycles, which can happen easily as water and heat are produced during the electrochemical reactions in fuel cells.

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.

The electrochemical reactions inside the porous electrodes of batteries and fuel cells have been described by theorists, but never measured directly.

If antibodies for any of the conditions exists, the antigens trap them and produce an electrochemical reaction.»

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

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.

Based on both experimental and computational results, their findings showed that this phase forms during battery charge by the electrochemical reaction of hydrogen fluoride, producing hydrogen gas and solid lithium fluoride.

Primary, or non-rechargeable, batteries and secondary batteries both produce current through an electrochemical reaction involving a cathode, an anode, and an electrolyte (an ion - conducting material).

When energy is needed, pumps move the electrolytes from both tanks into the stack where electricity is produced by an electrochemical reaction.

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.

In a move that could improve the energy storage of everything from portable electronics to electric microgrids, University of Wisconsin — Madison and Brookhaven National Laboratory researchers have developed a novel X-ray imaging technique to visualize and study the electrochemical reactions in lithium - ion rechargeable batteries containing a new type of material, iron fluoride.

«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.

Instead of an electrochemical reaction, a physical reaction causes a change in opacity with just a flick of a switch and a touch of silver.

Still Light, the hybrid LED light system above, is powered by an electrochemical reaction of copper and zinc electrodes fitted into tomatoes.

Such a robust combination can keep the steel from coming into contact with water and delay the electrochemical reactions that oxidize iron.

Bloom Energy makes fuel cells that take fuel (natural gas or biogas) and combine it with oxygen and other chemicals to create an electrochemical reaction that produces electricity.