News tagged with energy devices

Turning heat to electricity... efficiently

(PhysOrg.com) -- In everything from computer processor chips to car engines to electric powerplants, the need to get rid of excess heat creates a major source of inefficiency. But new research points the way ...

Physics / General Physics

created Nov 18, 2009 | popularity 4.8 / 5 (67) | comments 9

New energy storage device could recharge electric vehicles in minutes

(PhysOrg.com) -- It has all the appearances of a breakthrough in battery technology, except that it’s not a battery. Researchers at Nanotek Instruments, Inc., and its subsidiary Angstron Materials, Inc., ...

Nanotechnology / Nanophysics

created Aug 19, 2011 | popularity 4.8 / 5 (53) | comments 43 | with audio podcast feature

Researchers use super-high pressures to create super battery

The world's biggest Roman candle has got nothing on this. Using super-high pressures similar to those found deep in the Earth or on a giant planet, Washington State University researchers have created a compact, ...

Chemistry / Materials Science

created Jul 04, 2010 | popularity 4.2 / 5 (42) | comments 37 | with audio podcast

Near-threshold computing could enable up to 100x reduction in power consumption

(PhysOrg.com) -- While electronic devices have greatly improved in many regards, such as in storage capacity, graphics, and overall performance, etc., they still have a weight hanging around their neck: they’re ...

Technology / Engineering

created Feb 17, 2010 | popularity 4.2 / 5 (37) | comments 6 | with audio podcast feature

At Stanford, nanotubes + ink + paper = equal instant battery (w/ Video)

(PhysOrg.com) -- Stanford scientists are harnessing nanotechnology to quickly produce ultra-lightweight, bendable batteries and supercapacitors in the form of everyday paper.

Nanotechnology / Nanomaterials

created Dec 07, 2009 | popularity 4.9 / 5 (28) | comments 3

Innovation puts next-generation solar cells on the horizon

In a world first, a Monash University-led international research team has developed an innovative way to boost the output of the next generation of solar cells.

Chemistry / Materials Science

created Dec 01, 2009 | popularity 4.3 / 5 (30) | comments 12

Study of electron orbits in multilayer graphene finds unexpected energy gaps

Researchers have taken one more step toward understanding the unique and often unexpected properties of graphene, a two-dimensional carbon material that has attracted interest because of its potential applications ...

Nanotechnology / Nanomaterials

created Aug 10, 2010 | popularity 4.7 / 5 (27) | comments 5 | with audio podcast

Researchers develop graphene supercapacitor holding promise for portable electronics

(PhysOrg.com) -- Electrochemical capacitors (ECs), also known as supercapacitors or ultracapacitors, differ from regular capacitors that you would find in your TV or computer in that they store substantially ...

Nanotechnology / Nanophysics

created Mar 15, 2012 | popularity 5 / 5 (25) | comments 30 | with audio podcast

Can graphene nanoribbons replace silicon?

(PhysOrg.com) -- "Graphene has been the subject of intense focus and research for a few years now," Philip Kim tells PhysOrg.com. "There are researchers that feel that it is possible that graphene could replac ...

Nanotechnology / Nanophysics

created Feb 18, 2010 | popularity 4.2 / 5 (29) | comments 1 | with audio podcast feature

New charging method could greatly reduce battery recharge time

(PhysOrg.com) -- Part of the headache of having to constantly recharge batteries is not just how often they need to be charged, but also the time it takes to charge them. In a new study, researchers have proposed ...

Physics / General Physics

created Mar 11, 2010 | popularity 4.7 / 5 (25) | comments 14 | with audio podcast report

Inkjet printing could change the face of solar energy industry

Inkjet printers, a low-cost technology that in recent decades has revolutionized home and small office printing, may soon offer similar benefits for the future of solar energy.

Chemistry / Materials Science

created Jun 28, 2011 | popularity 4.6 / 5 (21) | comments 12 | with audio podcast

Japan nano-tech team creates palladium-like alloy: report

Japanese researchers have created an alloy with properties similar to palladium, a precious metal used in many high-tech goods, a news report said Thursday, dubbing the breakthrough "present-day alchemy".

Nanotechnology / Nanomaterials

created Dec 30, 2010 | popularity 4.8 / 5 (19) | comments 14

Nanogenerators grow strong enough to power small conventional electronics (w/ Video)

Blinking numbers on a liquid-crystal display (LCD) often indicate that a device's clock needs resetting. But in the laboratory of Zhong Lin Wang at Georgia Tech, the blinking number on a small LCD signals ...

Nanotechnology / Nanophysics

created Nov 08, 2010 | popularity 5 / 5 (18) | comments 5 | with audio podcast

Nanotube transistor controlled by ATP could improve man-machine communication

Scientists have built a hybrid bionanoelectronic transistor that can be powered by ATP, or adenosine triphosphate, the energy currency in living cells. The researchers, Aleksandr Noy and colleagues from Lawrence Livermore ...

Nanotechnology / Nanophysics

created May 13, 2010 | popularity 4.8 / 5 (17) | comments 3 | with audio podcast weblog

Is There a Micro-Supercapacitor in Your Future? Don't Bet Against It

(PhysOrg.com) -- A Berkeley Lab scientist was a key member of a team that developed a unique new technique for integrating high performance micro-sized supercapacitors into a variety of portable electronic ...

Technology / Semiconductors

created Apr 26, 2010 | popularity 4.8 / 5 (16) | comments 8 | with audio podcast