Scientists create quick-charging hybrid supercapacitors
The dramatic rise of smartphones, tablets, laptops and other personal and portable electronics has brought battery technology to the forefront of electronics research. Even as devices have improved by leaps ...
Ads in free mobile apps have hidden costs for both users and developers, study finds
There's no such thing as free - especially with smartphone apps, according to a new study.
Amazon Japan starts selling electric cars
First it was books, then household products; now you can buy an electric car from online shopping giant Amazon.
Battery bounce test inaccurate measure of charge
Don't throw away those bouncing batteries. Researchers at Princeton University have found that the common test of bouncing a household battery to learn if it is dead or not is not actually an effective way ...
Tesla shares jump on Musk 'tease' in tweet
Tesla Motors shares jumped Monday after co-founder Elon Musk tweeted that the company would unveil as "major" new product line next month, leaving analysts guessing.
Goodbye, range anxiety? Electric vehicles may be more useful than previously thought
In the first study of its kind, scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) quantitatively show that electric vehicles (EVs) will meet the daily travel needs ...
Author provides inside look at ANL's efforts to build a 'super battery'
So secretive were efforts to create the first self-sustained nuclear reaction in 1942 that physicist Enrico Fermi and his Manhattan Project team quietly toiled beneath the stands of Stagg Field and communicated ...
SolarCity launches community microgrids with Tesla batteries
SolarCity, well-known for rooftop solar systems, is expanding to so-called microgrids, larger power systems that can be tapped by communities when the power grid goes down.
Blue Freedom uses power of flowing water to charge
Mobile battery life can be prolonged with system settings
Mobile devices have a large number of different adjustable system settings whose energy impact can be difficult to understand for the average user, and even for the expert.
Industry's first flexible IoT-supporting beacon that needs no battery replacement
Fujitsu Laboratories announced the development of a thin, light-weight beacon, weighing 3 grams with a thickness of 2.5 millimeters, that does not require battery replacement or other maintenance and is flexible ...
New device takes images of lithium battery as it works and recharges
Used in everything from electric vehicles to laptop computers, the lithium battery is ubiquitous, but it is not well understood at the atomic scale. To see what happens on the nanoscale, scientists at DOE's ...
Review: Helios Smart battery has charging options, including the sun
I love options. Most of us are familiar with external batteries that can be used to charge up a cellphone or tablet when a plug is not handy. I have several, and most of them get their power by plugging into ...
Tesla updating Model S to ease range anxiety, improve safety
Tesla Motors is updating its Model S electric car to help ease drivers' worries about running out of battery charge—and is hinting that in the future drivers can take their hands off the wheel altogether.