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News tagged with metal ion

Improved redox flow batteries for electric cars

A new type of redox flow battery presents a huge advantage for electric cars. If the rechargeable batteries are low, the discharged electrolyte fluid can simply be exchanged at the gas station for recharged ...

Technology / Energy & Green Tech

created Oct 13, 2009 | popularity 4.6 / 5 (22) | comments 14

'Impossible' conductivity explained

(PhysOrg.com) -- Bring two materials that are not themselves conductive into contact and, exactly at their interface, something remarkable happens: at that precise point, conduction is possible.

Physics / Condensed Matter

created May 19, 2010 | popularity 4.8 / 5 (20) | comments 9 | with audio podcast

Layered footballs: First two-dimensional organic metal made of fullerenes

(PhysOrg.com) -- Since their discovery in the mid 1980s, fullerenes have caused a sensation. The tiny hollow spheres made of 60 carbon atoms, constructed out of pentagons and hexagons like miniature soccer ...

Nanotechnology / Nanomaterials

created Jun 09, 2010 | popularity 4.8 / 5 (19) | comments 4 | with audio podcast

A step toward lighter batteries: Metal catalysts play important role in improving efficiency

A team of researchers at MIT has made significant progress on a technology that could lead to batteries with up to three times the energy density of any battery that currently exists.

Physics / Condensed Matter

created Apr 02, 2010 | popularity 4.6 / 5 (14) | comments 3 | with audio podcast

Who killed the graphite anode? Researchers move silicon anode li-ion battery technology forward

(PhysOrg.com) -- Scientists at Pacific Northwest National Laboratory developed a lithium-ion (Li-ion) battery technology with reversible capacity of more than 1,600 milliamp hours per gram (mAh/g) after 40 ...

Chemistry / Materials Science

created Oct 11, 2010 | popularity 4.9 / 5 (11) | comments 6 | with audio podcast

Power thrust for spider silk

(PhysOrg.com) -- Spiderman would definitely have an easier time of things with this spider silk - for example, if he had to stop a getaway car moving off at 100 kilometres per hour. A five-millimetre-thick ...

Physics / Condensed Matter

created Apr 24, 2009 | popularity 4 / 5 (11) | comments 2

Chemist's discovery of new salt jumpstarts extended-life battery research for electric vehicles

A University of Rhode Island chemistry professor's discovery of a new salt has been received with enthusiasm by companies seeking to develop an advanced lithium ion battery for use in the next generation of hybrid and electric ...

Chemistry / Materials Science

created May 12, 2009 | popularity 4.1 / 5 (9) | comments 7

Wax, soap clean up obstacles to better batteries

A little wax and soap can help build electrodes for cheaper lithium ion batteries, according to a study in August 11 issue of Nano Letters. The one-step method will allow battery developers to explore lower- ...

Nanotechnology / Nanomaterials

created Aug 12, 2010 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Magnetic spin on non-magnetic materials

(PhysOrg.com) -- Nanotechnologists from the University of Twente's MESA+ and MIRA research institutes have developed a method for incorporating magnetic elements into non-magnetic materials in a highly controlled ...

Nanotechnology / Nanophysics

created Feb 14, 2012 | popularity 4.7 / 5 (6) | comments 0

Metallic molecules to nanotubes: Spread out!

(PhysOrg.com) -- A lab at Rice University has stepped forward with an efficient method to disperse nanotubes in a way that preserves their unique properties -- and adds more.

Nanotechnology / Nanomaterials

created Feb 23, 2011 | popularity 4.3 / 5 (6) | comments 0 | with audio podcast

Copper + love chemical = big sulfur stink

When Hiroaki Matsunami, Ph.D., at Duke set out to study a chemical in male mouse urine called MTMT that attracts female mice, he didn't think he would stumble into a new field of study.

Chemistry / Biochemistry

created Feb 06, 2012 | popularity 4.3 / 5 (6) | comments 1 | with audio podcast

Plasmonic nanocrosses that heat up when illuminated can be used to kill cancer

Plasmonic nanoparticles are extremely sensitive to light, and even the tiniest amount can cause these particles to heat up. Scientists are now trying to use plasmonic nanoparticles in cancer therapy whereby ...

Nanotechnology / Bio & Medicine

created Dec 23, 2011 | popularity 5 / 5 (5) | comments 0

Researchers develop molecular 'LEGO kit' to create nano-cubes

(PhysOrg.com) -- Scientists at the University of Glasgow have devised a molecular 'LEGO toolkit' which can be used to assemble a vast number of new and functional chemical compounds.

Nanotechnology / Nanomaterials

created Mar 17, 2010 | popularity 4.8 / 5 (5) | comments 1 | with audio podcast

Screens set to go green

Fitting the screens of electronic devices, such as televisions and smartphones, with a new display technology called 'organic light-emitting diodes' (OLEDs) will reduce their energy consumption, but such screens ...

Chemistry / Materials Science

created Aug 22, 2011 | popularity 5 / 5 (4) | comments 0

New material shows promise for trapping pollutants

(PhysOrg.com) -- Water softening techniques are very effective for removing minerals such as calcium and magnesium, which occur as positively-charged ions in "hard" water. But many heavy metals and other inorganic ...

Chemistry / Materials Science

created Sep 06, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast