20 Feb 2013

New liquid metal batteries for improved energy storage
The chemistry in Ambri's technology is different from any other currently used in batteries.
30 Jan 2013

New freedom to tailor thermoelectrics
A researcher has developed a technique that provides a new way of manipulating heat, allowing it to be controlled much as light waves can be manipulated by lenses and mirrors.
16 Jan 2013

Breakthrough for solar cell research
Researchers from Lund University in Sweden have shown how nanowires could pave the way for more efficient and cheaper solar cells.
15 Jan 2013

New material harvests energy from water vapor
Engineers have created a new polymer film that can generate electricity by drawing on a ubiquitous source: water vapor.
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14 Jan 2013

E Ink Holdings
Electrophoretic display maker expands into new applications.
9 Jan 2013

Will iron batteries return?
Electric vehicles whether hybrid or pure electric or for land, water or air, employ batteries on board, where supercapacitors have not replaced them.
1 Jan 2013

Manipulating light to double solar power output
A new $2.4 million project funded by the U.S. Advanced Research Projects Agency for Energy aims to greatly increase the amount of sunlight that becomes electricity.
31 Dec 2012

Recharge your electric car through its tires
Researchers power EVs with electricity transmitted from the road to steel belts in tires.
24 Dec 2012

Solar startup
Last year's bankruptcy of Solyndra, a maker of thin-film solar panels that received a $535 million loan guarantee from the U.S. Department of Energy, is casting a huge shadow over the market for solar power.
24 Dec 2012

Flexible, light solar cells could provide new opportunities
MIT researchers have produced a new kind of photovoltaic cell based on sheets of flexible graphene coated with a layer of nanowires.
12 Dec 2012

How 'transparent' is graphene?
The amazing electrical, optical and strength properties of graphene, a single-atom-thick layer of carbon, have been extensively researched over the last decade.
7 Dec 2012

Funneling the sun's energy
The quest to harness a broader spectrum of sunlight's energy to produce electricity has taken a radically new turn, with the proposal of a "solar energy funnel" that takes advantage of materials under elastic strain.
22 Nov 2012

Friction could charge mobile phones
Researchers at Georgia Tech have created a device that takes advantage of static electricity to convert movement—like a phone bouncing around in your pocket—into enough power to charge a cell phone battery.
9 Nov 2012

Medical devices powered by the ear itself
Deep in the inner ear of mammals is a natural battery — a chamber filled with ions that produces an electrical potential to drive neural signals.
6 Nov 2012

New technique reveals lithium in action
Exactly what goes inside advanced lithium-air batteries as they charge and discharge has always been impossible to observe directly. Now, a new technique developed by MIT researchers promises to change that, allowing study of this electrochemical activity as it happens.
5 Nov 2012

Smartphones that use half the power
The new advance is essentially a blazingly fast electronic gearbox. It chooses among different voltages that can be sent across the transistor, and selects the one that minimizes power consumption, and it does this as many as 20 million times per second.