Sentences with phrase «nanotube electrode»

The result was a highly porous carbon nanotube electrode with lots of oxygens exposed on the surface, ready to bind with lithium.

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 work boosting the performance of lithium batteries with carbon nanotube electrodes was done at the Massachusetts Institute of Technology with initial support through a Dupont / M.

Researchers at Stanford University and Hanyang University in Ansan, Korea, are developing the nanotube electrodes in collaboration with LG Chem, a Korean company that makes lithium - ion batteries, including those used in the Chevy Volt.

Not exact matches

In fact, there have been many efforts to improve lithium - ion battery or supercapacitor performance using alternative electrode materials such as carbon nanotubes and other manganese oxides.

The resulting cluster of nanotubes, fused to two palladium electrodes, acted as a transistor (Nano Letters, DOI: 10.1021 / nl050405n).

Team members sprayed carbon nanotubes onto a plastic film — two such films act as both the device's electrodes and charge collectors.

But in a paper posted online today in Nature Nanotechnology, the MIT team, led by materials scientist Yang Shao - Horn, took a very different approach: using carbon nanotubes to replace the oxide - based positive electrode.

A close - up of a novel battery electrode made from chemically adorned carbon nanotubes.

Researchers have long sought to replace the graphite in the negative electrodes with carbon nanotubes, strawlike tubes of carbon.

The carbon nanotubes served as one electrode and the lithium metal the other.

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.

Carbon nanotube above a photonic crystal waveguide with electrodes.

For cathode electrodes, they embedded NMC — lithium nickel manganese cobalt oxide — in the nanotubes, causing the nanoparticles to become very conductive.

In 1999, a group led by Mathieu Kociak and Helene Bouchiat at the University of Paris, South, in Orsay, France, reported in Science (28 May 1999, p. 1508) that ropes of 100 or so nanotubes could carry supercurrent between two superconducting electrodes.

They've combined nanotubes and nanorods in such a way that they can aid battery charging while reducing swelling and shrinking that leads to electrodes with shortened lifetimes.

They chose a rod shape because they thought that would integrate well with the nanowires and curvatures of nanotubes, wrapping around them to create a robust electrode.The unusually long and very flexible strands of the nanomaterials are crucial to the superior features of the electrodes.

FAMU - FSU College of Engineering doctoral candidate Joshua DeGraff developed an advanced class of scalable motion sensors using silver ink electrodes and sheets of pure carbon nanotube buckypaper.

NREL's most recent contribution toward much - improved batteries are high - performance, binder - free, carbon - nanotube - based electrodes.

At the annual meeting of the American Physical Society and in the 12 March issue of Physical Review Letters, Kociak and his colleagues at the French national research agency CNRS and the Russian Academy of Sciences in Chernogolovka showed that empty nanotubes can also carry electron pairs between nonsuperconducting electrodes (in this case, metal pads made from a sandwich of aluminum oxide, platinum, and gold).

Another advantage of ice lithography is that ice is transparent, so researchers could see where to remove sections of the mask so that the electrodes ended up precisely aligned with the nanotubes below.

The resulting cluster of nanotubes, fused to two palladium electrodes, acted as a transistor.

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

The nanotubes drastically increase the surface area of the ultracapacitor electrode, allowing it to hold 20 times as much energy.

The electrodes are a polymeric matrix filled with carbon nanotubes and infused with ionic liquids.

The team fabricated simple devices consisting of a carbon nanotube bridging two electrodes.

In that earlier work, the group designed tiny rubber pillars containing electrically conductive carbon nanotubes, which were placed over a pair of electrodes side by side.

A better alternative would be thinner, softer electrodes such as carbon nanotubes, a thousandth of the diameter of regular wires.

The scientists discovered a technology that produced a sulfur - carbon nanotube substance that created more conductivity on one electrode, and a nanomaterial coating to create stability for the other.

The researchers demonstrated how this could be applied by moving the nanofibre from the nanotube surface onto a set of electrodes to test its electrical properties.

Conversely, researchers using carbon nanotube or graphene electrodes have subsequently reported that the switches become stuck in the «on» position.

In this application, a nanotube film with an array of electrodes can be used as an electrically configurable diffraction grating for an infrared spectrometer, allowing the wavelength of light to be scanned without moving parts.

In the journal Review of Scientific Instruments [abstract], 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.

Graphene neural electrodes deliver the best of both worlds (Nov 2014) Tiniest bioprobe breaks new size record (Jan 2014) Nanotubes help turn stem cells into cartilage (Sep 2013)

Research at the PPPL Laboratory for Plasma Nanosynthesis develops new insight into the use of plasma to synthesize nanomaterials — particles such as carbon nanotubes that are measured in billionths of a meter, are found in everything from swimwear to electrodes and have a tensile strength, or resistance to breaking when stretched, that is stronger than steel.