News tagged with battery material

Rechargeable lithium-sulfur batteries get a boost from graphene

(PhysOrg.com) -- By wrapping tiny sulfur particles in graphene sheets, researchers from Stanford University have synthesized a promising cathode material for rechargeable lithium-sulfur batteries that could ...

Nanotechnology / Nanomaterials

created Jul 13, 2011 | popularity 4.2 / 5 (22) | comments 53 | with audio podcast feature

Lithium-ion battery with new chemistry could power electric vehicles

(PhysOrg.com) -- While car companies race to develop electric and hybrid electric vehicles, one of the biggest challenges they face is finding a suitable energy storage system. Lithium-ion batteries, which ...

Chemistry / Materials Science

created Feb 21, 2011 | popularity 4.6 / 5 (32) | comments 57 | with audio podcast feature

'Core-Shell' Silicon Nanowires May Improve Lithium-Ion Batteries

(PhysOrg.com) -- Researchers have found a way to incorporate silicon into the structure of rechargeable lithium-ion batteries, which are used to power a wide variety of portable electronic devices, including ...

Nanotechnology / Nanophysics

created Jan 20, 2009 | popularity 3.8 / 5 (13) | comments 9 feature

Polarized X-ray scattering technique reveals structure of printable electronics

(Phys.org) -- An innovative X-ray technique has given North Carolina State University researchers and their collaborators new insight into how organic polymers can be used in printable electronics such as transistors and ...

Physics / General Physics

created Apr 15, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Revealing how a battery material works

Since its discovery 15 years ago, lithium iron phosphate (LiFePO4) has become one of the most promising materials for rechargeable batteries because of its stability, durability, safety and ability to deliver ...

Nanotechnology / Nanomaterials

created Feb 08, 2012 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Mystery of car battery's current solved

(PhysOrg.com) -- Chemists have solved the 150 year-old mystery of what gives the lead-acid battery, found under the bonnet of most cars, its unique ability to deliver a surge of current.

Physics / Condensed Matter

created Dec 19, 2011 | popularity 4.7 / 5 (28) | comments 15 | with audio podcast

New technology improves both energy capacity and charge rate in rechargeable batteries

Imagine a cellphone battery that stayed charged for more than a week and recharged in just 15 minutes. That dream battery could be closer to reality thanks to Northwestern University research.

Chemistry / Materials Science

created Nov 14, 2011 | popularity 4.8 / 5 (18) | comments 17 | with audio podcast

Revolutionary conducting polymer enables silicon use as next generation of lithium-ion battery anodes

Lithium-ion batteries are everywhere, in smart phones, laptops, an array of other consumer electronics, and the newest electric cars. Good as they are, they could be much better, especially when it comes to ...

Nanotechnology / Nanomaterials

created Sep 23, 2011 | popularity 4.9 / 5 (10) | comments 6 | with audio podcast

Powered by seaweed: Polymer from algae may improve battery performance

(PhysOrg.com) -- By looking to Mother Nature for solutions, researchers have identified a promising new binder material for lithium-ion battery electrodes that not only could boost energy storage, but also ...

Chemistry / Polymers

created Sep 08, 2011 | popularity 4.8 / 5 (4) | comments 1 | with audio podcast

Improving batteries' energy storage

MIT researchers have found a way to improve the energy density of a type of battery known as lithium-air (or lithium-oxygen) batteries, producing a device that could potentially pack several times more energy ...

Technology / Energy & Green Tech

created Jul 25, 2011 | popularity 4.9 / 5 (15) | comments 0 | with audio podcast

How to choose a catalyst: Predicting which materials will perform best in fuel cells and metal air batteries

MIT researchers have found a new way to predict which materials will perform best as catalysts for oxygen reduction, a core process in metal air batteries and fuel cells, opening up the possibility of faster ...

Chemistry / Materials Science

created Jun 14, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Batteries charge quickly and retain capacity, thanks to new 3D nanostructure

The batteries in Illinois professor Paul Braun's lab look like any others, but they pack a surprise inside.

Nanotechnology / Nanomaterials

created Mar 20, 2011 | popularity 4.8 / 5 (23) | comments 63 | with audio podcast

World's smallest battery: Charging makes nano-sized electrodes swell, elongate and spiral

(PhysOrg.com) -- New high resolution images of electrode wires made from materials used in rechargeable lithium ion batteries shows them contorting as they become charged with electricity. The thin, nano-sized ...

Nanotechnology / Nanophysics

created Dec 09, 2010 | popularity 4.8 / 5 (4) | comments 1 | with audio podcast

Better batteries from the bottom up

(PhysOrg.com) -- Rice University researchers have moved a step closer to creating robust, three-dimensional microbatteries that would charge faster and hold other advantages over conventional lithium-ion batteries. ...

Nanotechnology / Nanophysics

created Dec 09, 2010 | popularity 5 / 5 (8) | comments 1 | with audio podcast

Electron switch between molecules points way to new high-powered organic batteries

The development of new organic batteries -- lightweight energy storage devices that work without the need for toxic heavy metals -- has a brighter future now that chemists have discovered a new way to pass ...

Chemistry / Materials Science

created Sep 15, 2010 | popularity 4.8 / 5 (5) | comments 6 | with audio podcast