Sentences with phrase «as an electrode»

The performance dropped off considerably as the electrodes were made thicker.

The trick to this new technology lies in the high - voltage generator that sends pulses to the teeth of the comb, which serve here as electrodes.

Over time, with rigorous training, the rats were able to walk again as long as the electrodes were turned on.

Furthermore, the process is easily scalable for creating large - area films which will be highly useful as electrodes and membranes for energy generation or storage.

«Besides adding valuable fundamental understanding in the physics and chemistry of graphene, nitrogen - doping and nanoparticles we have reasons to believe that the iron oxide decorated nitrogen doped graphene nanoscrolls have very good properties for application as electrodes in for example Li - ion batteries, one of the most important batteries in daily life electronics, «says Thomas Wågberg.

This structure is key to their potential for being used as electrode materials for lithium - sulfur batteries.

By employing proprietary pretreatment and processing, researchers at Oak Ridge National Laboratory and Drexel University have produced flexible polymer carbon composite films from scrap tires for use as electrodes for supercapacitors.

It features two thin sheets of lithium alloys which act as electrodes sandwiched around a layer of porous polymer soaked in a liquid electrolyte.

In the journal Review of Scientific Instruments, from AIP publishing, the researchers detail the fabrication and optimization of the device, which is based on a phosphor screen and single - walled carbon nanotubes as electrodes in a diode structure.

Led by Prof Coleman, in collaboration with the groups of Prof Georg Duesberg (AMBER) and Prof. Laurens Siebbeles (TU Delft, Netherlands), the team used standard printing techniques to combine graphene nanosheets as the electrodes with two other nanomaterials, tungsten diselenide and boron nitride as the channel and separator (two important parts of a transistor) to form an all - printed, all - nanosheet, working transistor.

A researcher at The Hong Kong Polytechnic University (HK PolyU) has developed the first - ever made semitransparent perovskite solar cells with graphene as electrode.

The new material may have very good properties for application as electrodes in for example Li - ion batteries.

The highly conductive foam was tested as an electrode in lithium ion capacitors and found to be mechanically and chemically stable.

In addition to control of lasers, detectors, shutters and fine motion devices, the module can be used to synchronize external stimulation and data collection instruments such as electrodes, patch clamp recording devices and perfusion systems.

Metal nitrides such as titanium nitride, which offer both high conductivity and capacitance, are a promising alternative, but they tend to oxidize in watery environments that limits their lifetime as an electrode.

It might even allow electrodes to be self - repairing, he says — as the electrodes corrode during use fresh material could be electrodeposited.

Now, Singapore - based researchers have developed improved catalysts as electrodes for efficient and more durable green energy devices.

One group turned to an electrochemical approach, which can be adapted for in - the - field use, but their technique involved toxic mercury as the electrode.

The patients agreed to undergo several minutes of deep brain stimulation to these regions during surgery as the electrode was being implanted.

Fabricated transistors made of the film with carbon nanotubes as the electrodes formed a flexible material that could be attached to human skin, for example, retaining its conductive properties when heavily stretched along the surface of a finger as it bends.

Lithium - ion batteries could benefit from a theoretical model created at Rice University and Lawrence Livermore National Laboratory that predicts how carbon components will perform as electrodes.

Furthermore, the scientists proved the device's mechanical durability through repeated bending and stretching, exceeding 10,000 times, of a conductor attached on the forefinger; they also established its reliability as an electrode for electromyogram recordings when its readings of the electrical activity of muscles were comparable to those obtained through conventional gel electrodes.

In this case, the array of sensors was formed of 21 ion - selective electrodes, including some with response to cations (ammonium, sodium), others with response to anions (nitrate, chloride, etc.), as well as electrodes with generic (unspecified) response to the varieties considered.

Sodium - sulfur batteries, which use molten sodium and sulfur as electrodes and a solid ceramic electrolyte, have a higher energy density.

But as the electrodes poked into this man's thalamus, Schiff and Giacino heard only silence, the eerie calm of a stalled - out brain.

However, TiO2 is far from ideal and zinc oxide (ZnO) should actually be more suitable as an electrode material.

«This research provides fundamental answers needed to produce high - quality, well - defined materials that will work as electrodes in lithium - ion batteries and next - generation lithium - air batteries,» said Dr. Maria Sushko, a PNNL materials scientist who worked on the study with Dr. Jun Liu.

Researchers have been using electrodes made up of tiny silicon spheres about 150 nanometers wide — about a thousand times smaller than a human hair — to overcome some of the limitations of silicon as an electrode.

The lithium ion begins its journey attached to a metal cylinder or sheet, known as an electrode.

For this new battery, the researchers used nanowires, which are highly conductive and have a large surface area, making them great at holding charge as electrodes.

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

If the researchers can use multiple diamond tips in different shapes and further control the process, «one can envision forming a predesigned ribbon network ready to serve as electrodes in a specific circuitry of a future device,» he says.

When used as an electrode material, it greatly increases the surface area with the same amount of material.

In the journal Review of Scientific Instruments, the researchers detail the fabrication and optimization of the device, which is based on a phosphor screen and single - walled carbon nanotubes as electrodes in a diode structure.

This module can also be used to synchronize external stimulation and data collection instruments, such as electrodes, patch clamp recording devices, and perfusion systems.

Zhaolin Liu and Yun Zong of the A * STAR Institute of Materials Research and Engineering decided to investigate tellurium — a metalloid element with similar chemistry to sulfur and selenium — as an electrode material.

Supercapacitors based on the electric double - layer mechanism use porous carbons or graphene as electrodes.

Findings published in the current issue of Physical Review Letters suggest that the diminutive tubes can hold twice as much energy as graphite, the form of carbon currently used as an electrode in many rechargeable lithium batteries.

Made with a one - step method, these flakes of lithium manganese phosphate can serve as electrodes for batteries.

Metallic conductivity and hydrophilicity of MXenes have established them as electrodes in rechargeable batteries and supercapacitors, as well as other applications, including photothermal cancer therapy, electromagnetic shielding, water purification and gas sensing.

The team showed that titanium dioxide can be modified to allow it to be used as an electrode in multivalent batteries, providing a valuable proof of concept in their development.

Laid down in thin films, randomly oriented carbon nanotubes form conductive networks that can serve as electrodes; patterned and layered films can function as sensors or transistors.

The new approach uses yarns, made from nanowires of the element niobium, as the electrodes in tiny supercapacitors (which are essentially pairs of electrically conducting fibers with an insulator between).

These act as electrodes and additionally are coated with catalysts.

The metal sheets in Vanier's camera act as electrodes to multiply and detect those neutron - triggered charges.

Each modulator is made up of a metal - insulator - metal waveguide with a gap approximately 80 nanometers wide and filled with an electro - optical polymer, and sidewalls made of gold which, at the same time, act as electrodes.

Fine - tuning becomes critically important as materials scientists test more 2 - D materials like graphene and nanotubes for use as electrodes.