Sentences with phrase «layers of electrodes»

When the voltage is on, the attraction between the two layers of electrodes straightens out the membranes.

Instead of coating the tape with magnetic film that could record data, they started coating it with goopy layers of an electrode that could store electric charge.

Not exact matches

He produced a capacitor where the electrodes were coated with thin layers of carbon chemically punctured with millions of tiny holes.

The electrode performance can be further enhanced by depositing a thin protective LiPON solid - state electrolyte layer on top of Li - terephthalate.

Phase evolution for conversion reaction electrodes in lithium - ion batteries Surface reconstruction and chemical evolution of stoichiometric layered cathode materials for lithium - ion batteries

«Using a new layer - by - layer fabrication process, we created a microfluidic environment in which TEER - measuring electrodes are integral components of the chip architecture and are positioned as close as possible to the tissues grown in one or both of two parallel running channels,» said Olivier Henry, Ph.D., a Wyss Institute Staff Engineer who was the driving force behind the new Organ Chip designs.

They show that calcium, an abundant and inexpensive element, can form the basis for both the negative electrode layer and the molten salt that forms the middle layer of the three - layer battery.

They then dipped their electrode starting materials alternatively in solutions containing the oppositely charged nanotubes, binding successive layers of tubes atop one another to build up their nanotube electrodes.

The new power source, which runs on liquid fuels, has at its core a thin layer of electrolyte materials sandwiched between electrode materials.

The migration of those ions is accompanied by an electric current flowing through wires that are connected to the upper and lower molten metal layers, the battery's electrodes.

Heating of the electrolyte - electrode layers stimulates the flow of protons from the fuel, sending them across the electrolyte layer to the air - breathing electrode.

The silicon electrode protected with this layer achieves current densities in excess of 15 mA / cm2.

The tandem device also requires a window layer on top, which acts as an electrode, but limits the amount of light passing through.

Using electroencephalography (EEG)-- in which electrodes placed in the brain measure neural activity — the team saw a sharp wave of action in the mouse brains from the hippocampus in the midbrain to the neocortex (the outermost brain layer).

To bring movement back to Rob Summers» paralyzed lower body, scientists and doctors surgically implanted a package of 16 small electrodes, just a few centimeters long, above the protective membrane layers of his spinal cord.

While coating the electrode surface with a thin layer of carbon or graphene had been shown to improve performance, there was no microscopic and quantitative understanding of why this made a difference, Bazant says.

When the electrodes and the active layer are printed as thin films on top of each other, defects in one layer will act as points of attack for the next layer to be printed.

The process for making LCDs, called lithography, is akin to printing in that layers of semiconductor, metal and insulator are laid down on top of each other to form the electrodes which switch the pixels on and off.

Scientists have tried building the electrodes out of common semiconductors such as silicon or gallium arsenide — which absorb light and are also used in solar panels — but a major problem is that these materials develop an oxide layer (that is, rust) when exposed to water.

In a new study published in Nature Catalysis, a team at the U.S. Department of Energy's (DOE) Argonne National Laboratory reports a breakthrough in understanding the chemistry of the microscopically thin layer that forms at the interface between the liquid electrolyte and solid electrode.

It contains layers of gold electrodes just a few hundred nanometres thick, sandwiched between layers of polyimide plastic to form a «nanomembrane».

The yellow microspheres are applied to an electrode and then covered with an extremely thin nanoscale layer of iron oxide.

This layer resides between two electrodes that can reverse the direction of its polarization — the alignment of positive and negative charges used to represent «0» and «1» in binary computing — by applying electric voltage to it.

Surgeons in Louisville placed a small strip of electrodes on the dura, the protective layer surrounding the spinal cord.

They also changed the electrode setup and added another layer of flexible electronic devices, known as ring oscillators, which convert the electrical signals emerging from the touch sensitive pyramids to a stream of digital electrical pulses.

They had placed a single graphene layer on silicon, connected electrodes to it and measured the amount of charge it carried when they applied different voltages.

The IBM team tested a mushroom - shaped device consisting of a 100 - nm - thick layer of the chalcogenide sandwiched between two electrodes.

All of the cells on the electrode array came from the cortex, the outermost layer of the brain known for its role in memory formation.

In the single - atom qubit used by Morello's team, and which Tosi's new design applies, a silicon chip is covered with a layer of insulating silicon oxide, on top of which rests a pattern of metallic electrodes that operate at temperatures near absolute zero and in the presence of a very strong magnetic field.

They sandwiched a thin layer of a solid acid called cesium hydrogen sulfate between electrodes and pressed it tight for good contact.

To obtain good performance with a simple process and reduced cost, we designed a modulus - gradient structure to use graphene as both the highly sensitive strain - sensing element and the insensitive stretchable electrode of the ECD layer.

The 10 - millimeter long robot is made up of four layers: tissue composed of live heart cells, two distinct types of specialized biomaterials for structural support, and flexible electrodes.

A combinatorial approach is employed to evaluate / develop advanced electrode materials, ranging from single perovskites to double and triple layered perovskites, and to modify the surface of existing electrodes with more active nano - structured catalysts.

Here, we present the electric field - induced tuning of the light transmission in a multilayer sandwiched between ITO electrodes, made by alternating layers of silver nanoparticles and titanium dioxide nanoparticles.

The red layer with small holes is comprised of slide electrodes to minimize the friction with the slide shafts.

To achieve this, they stacked two atomic layers of chromium triiodide with atomically thin gate dielectrics and electrodes.

Furthermore, ultra-thin, self - assembled layers on substrates of different surface energies were investigated on their morphology and ion conductive structure for modeling polymer structure in fuel cell electrodes.

Herein, we report the preparation of porous NiFeV layer double hydroxides (LDHs) grown on Nickel foam (NF) as an efficient bifunctional electrode.

It consists of a layer of atoms or molecules on an electrode and a layer of adsorbed solvent and species.

To prevent oxidation or rust, a layer of titanium dioxide (TiO)(found in sunscreens) is added onto the electrodes.

Analysis of the ionic conductive structure dependent on the layer thickness of the ultra-thin layers, gave additional valuable information about the polymers behavior in fuel cell electrodes.

Typically, batteries are made up of 5 layers: a positive and negative electrode, each with a metal current collector, and a polymer separator.

The layered structure consists of tantalum, nanoporous tantalum oxide and multilayer graphene between two platinum electrodes.

Recordings were made from the superficial layers of the SC to a depth of 100 — 300 µm using glass - coated tungsten electrodes (resistance: 0.5 MΩ; bandpass 500 Hz — 5 KHz).

The researchers used the single layer of silicon atoms as the channel in a field - effect transistor, which shuttles charge from the source to the drain electrodes (Nat.

An organic LED consists of wafer - thin organic semiconductor layers positioned between two electrodes.

We also discovered that altering the size of the bottom electrode layer enabled us to change the colour of the image.»

In contrast to conventional displays, the pixel electronics, or backplane, of this display includes a solution - processed graphene electrode, which replaces the sputtered metal electrode layer within Plastic Logic's conventional devices, bringing product and process benefits.

The plastic PET substrate, high molecular liquid crystal material, nano pigment absorption layer material, and silver electrode are all recyclable and can be put to use again once the e-paper has reached the maximum number of re-writes allowed on it.

Once the end of its useful life is reached, the plastic PET substrate, high molecular liquid crystal material, nano pigment absorption layer material and silver electrode are all recyclable.