Sentences with phrase «using metal ions»

Using metal ions with three or more positive charges, researchers in Tian's laboratory bonded graphene - oxide flakes into a transparent membrane.
Other scientists have used metal ions to make hydrogel actuators, but no one has used chemistry found in mussel adhesive proteins.

Not exact matches

The announcement came just a week after Samsung SDI, South Korea's leading battery maker, unveiled plans to recycle cobalt from used mobile phones and develop lithium - ion batteries with minimum content of the metal, or no cobalt at all, as a way to offset soaring prices for the silver - grey commodity.
So he made use of helical molecules available in the laboratory to study the reversible uncoiling / coiling motions associated with the binding and release of metal ions, eventually orchestrating transitions of helical molecules into linear complexes and back again.
«The prospect of using metal - organic frameworks for sustainable water filtration is incredibly exciting from a public - good perspective, while delivering a better way of extracting lithium ions to meet global demand could create new industries,» said Anita Hill, CSIRO's chief scientist.
Inspired by his own bout of leukemia to try to find a better cancer treatment, retired broadcasting station owner Kanzius guessed that as an alternative to chemotherapy, he could inject tumors with metal ions, then use radio waves to heat the metal and destroy cancerous cells.
The team's technique uses a metal - organic - framework membrane that mimics the filtering function, or «ion selectivity,» of biological cell membranes.
The idea is to use lithium ions to chemically break the metal oxide catalyst into smaller and smaller pieces.
Using abundant inexpensive material means less need for such expensive metals as cobalt, currently used in lithium ion batteries» cathodes, lowering overall cost.»
To stay in that exact spot, the craft will use a field emission electric propulsion engine, which ejects ions of liquid metal cesium to exert a miniscule thrust to counter tiny forces on the craft, such as the sunlight itself.
Transmetalation normally involves a reaction done in organic chemistry in which the substitution of metal ions generates new metal - carbon bonds for use in catalytic systems and to synthesize new metal complexes.
Lithium - ion batteries — similar to what powers your laptop or cell phone — satisfy both requirements, making them a big step up from the nickel - metal hydride cells used in gas - electric hybrids like the Toyota Prius.
Although future ADS systems will use protons beams and a heavy metal target to produce neutrons, Guinevere's neutron source — deuterium ions hitting a tritium target — is powerful enough to simulate how a bigger machine like Myrrha will behave, says Abderrahim.
Researchers now use X-ray fluorescence spectrometry to measure air pollution metal content, ion chromatography to identify other chemicals and other tactics to assess organic and elemental carbon levels.
Now, an international team of researchers led by Bingqing Wei, a professor of mechanical engineering at the University of Delaware and the director of the Center for Fuel Cells and Batteries, is doing work that could lay the foundation for more widespread use of lithium metal batteries that would have more capacity than the lithium ion batteries commonly used in consumer electronics today.
The specific bacterium used in Bren's project was Shewanella oneidensis MR - 1, which consumes toxic heavy metal ions in the wastewater and ejects electrons.
My expertise is in microanalysis of involatile materials, both «hard» (minerals, semiconductors, metals) and «soft» (biomaterials) using secondary ion mass spectrometry (SIMS).
Bar - Shir A, Gilad AA, Chan KW, Liu G, van Zijl PC, Bulte JW, McMahon MT. «Metal ion sensing using ion chemical exchange saturation transfer (19) f magnetic resonance imaging.»
Rather than the expected virulence factor, the newly discovered E. coli - specific genes helped protect the bacteria from the toxic effect of metal ions the body uses to fight infection.
In order to ensure that your health is not compromised, an integrated approach which includes nutritional counseling, special air filters, a special oxygenated water system, negative ion generators, oxygen masks and rubber dams is used for mercury removal and other toxic metals.
PF - 2 reduction elements are designed for use in conjunction with Black Berkey water purification elements to adsorb the following unwanted elements found in drinking water - Fluoride, Arsenic V and pre oxidized Arsenic III, Other residual heavy metal ions.
EDTA (ethylene diamine tetra acetic acid)[113] is a poly amine carboxylic acid, originally developed for industrial uses to keep metal ions such as calcium or magnesium from interfering with chemical processes.
The Berkey Fluoride and Arsenic Removal Water Filter is designed for use in conjunction with the Black Berkey water filters to adsorb Fluoride, Arsenic and Other residual heavy metal ions.
Most likely Toyota is preparing to unveil a plug - in hybrid version of the Prius, after already revealing the Prius Eco and its upgraded lithium - ion battery (the standard Prius uses a nickel - metal hydride unit).
The newest Prius uses smaller, lighter hybrid components, including a lithium - ion hybrid battery in addition to the existing nickel - metal hydride.
The Prius PHV uses a more sophisticated 288 - cell lithium - ion battery, as opposed to the nickel - metal hydride battery back in the regular Prius.
Naturally, the system uses stop / start technology and regenerative braking, and also adopts a lithium - ion battery pack — still relatively rare among hybrids which more often use nickel - metal hydride chemistry, and first pioneered on the 2010 S400HV.
The C - MAX Hybrid's advanced lithium - ion battery is 25 to 30 % smaller and 50 % lighter than nickel - metal - hydride (NiMH) batteries used in first - generation hybrid vehicles.
Hyundai Motor decided to use a lithium - ion polymer battery pack for all IONIQ models instead of conventional nickel - metal - hydride batteries.
The li - ion tech is more advanced than the nickel - metal hydride packs used in previous Fords and current Toyota non-plug-in hybrids.
Like the Prius, it uses either a 4.0 amp - hour, 259 - volt lithium - ion or 6.5 Ah 245 - volt nickel - metal hydride battery pack, depending on trim.
In LE trim, the Camry Hybrid has a lithium - ion battery pack and an mpg rating of 51 city / 53 highway; the SE and XLE trims use a nickel - metal - hydride battery and have a rating of 44 city / 47 highway.
The C - Max Hybrid features an advanced lithium - ion battery that is 25 to 30 per cent smaller and 50 per cent lighter than nickel - metal - hydride (NiMH) batteries used in first - generation hybrid vehicles.
He declined to comment on the chances of Toyota's using lithium ion batteries, which offer greater energy storage than the Prius» current nickel - metal hydride batteries.
As we already know, the Toyota Prius V Hybrid uses either lithium ion technology or nickel - metal hydride for the batteries and therefore estimate production figures can come from the available supply.
Using a 1.5 - liter four - cylinder gasoline engine, and an electric motor in a hybrid system tuned to produce 99 system net hp, Prius c uses older technology sealed Nickel - Metal Hydride (Ni - MH) batteries (as opposed to the Lithium - Ion packs that are more common in newer systems).
The C - Max Energi was designed with total 188 hp (140 kW) in hybrid mode delivered by a 2.0 - liter Atkinson cycle four - cylinder gasoline engine plus an electric motor powered by a 7.6 kWh lithium - ion battery pack, which is smaller and lighter than nickel metal hydride batteries used in previous Ford generation hybrids.
Unlike earlier hybrid systems that relied on nickel - metal - hydride batteries, the new system uses lithium - ion batteries that are lighter and more efficient.
Camry Hybrid LE models actually use a pricier lithium - ion pack, while the higher - trim Camry Hybrid SE and XLE variants use a nickel - metal hydride battery.
Lithium - ion batteries are both lighter and smaller than nickel - metal hydride batteries, which are used in almost all hybrid cars today.
In theory a pure lithium electrode would be the ideal electrode for a lithium - ion battery because of the favorable properties of lithium metal and because it allows a cycle of lithium ions into the solid (metal) and back into solution (lithium ions) again during use and recharging.
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