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Rechargeable Batteries

— Electronics

Better Re battery pack gives new life to old phone batteries

By - May 12, 2015 9 Pictures

If you're like a lot of phone junkies and replace your phone as soon as the latest thing comes along, you'll know that often the hardware in the old phone is perfectly fine, even the battery. But fancier new screens and more powerful processors mean that battery life usually remains a problem, making battery packs a popular accessory. Enlighten's Better Re lets you get some more use out of your old phone's battery, by allowing it to slot into an adjustable external battery charger for your new phone.

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— Electronics

New electrolyte promises to rid lithium batteries of short-circuiting dendrites

By - March 2, 2015 2 Pictures
Dendrites – thin conductive filaments that form inside lithium batteries – reduce the life of these cells and are often responsible for them catching fire. Scientists working at the Pacific Northwest National Laboratory (PNNL) of the US Department of Energy claim to have produced a new electrolyte for lithium batteries that not only completely eliminates dendrites, but also promises to increase battery efficiency and vastly improve current carrying capacity. Read More
— Electronics

New lithium/sulfur battery doubles energy density of lithium-ion

By - December 1, 2013 3 Pictures
Batteries. We buy them at the store, use them up, and throw them away without much thought. In reality, however, batteries are remarkably complex electrochemical devices that are continually evolving. The latest example of this comes from the Lawrence Berkeley National Laboratory, where researchers have invented an advanced lithium/sulfur (Li/S) cell that offers a unique combination of energy storage, power, recharge speed, and survivability. Read More
— Environment

Wood nanobattery could be green option for large-scale energy storage

By - July 6, 2013 3 Pictures
Li-ion batteries may be ok for your smartphone, but when it comes to large-scale energy storage, the priorities suddenly shift from compactness and cycling performance (at which Li-ion batteries excel) to low cost and environmental feasibility (in which Li-ion batteries still have much room for improvement). A new "wood battery" could allow the emerging sodium-ion battery technology to fit the bill as a long-lasting, efficient and environmentally friendly battery for large-scale energy storage. Read More
— Science

New algorithms could allow lithium-ion batteries to charge twice as fast

By - October 5, 2012 1 Picture
The single biggest factor hindering the convenience, and therefore the adoption, of electric vehicles is the batteries used to power them. While filling up an ICE vehicle takes just a few minutes at the pump, electric vehicle recharge times are measured in hours. Engineers at the University of California, San Diego, have developed new algorithms that improve the efficiency of existing lithium-ion batteries and could allow them to be charged twice as fast than is currently possible. Read More

The battery of the future might run on sugar

Researchers at the Tokyo University of Science have turned to sugar as part of a continuous effort to control Japan's growing import costs associated with building lithium-ion batteries. It seems that sugar may be the missing ingredient for building rechargeable batteries that are more robust, cheaper, and capable of storing more energy. Read More
— Science

Iron-air batteries may prove a cheap, eco-friendly solution for energy storage

By - August 8, 2012 1 Picture
Revamping a concept that was first explored forty years ago, researchers at the University of Southern California (USC) are putting the final touches on a patent-pending design for cheap, rechargeable, high energy density iron-air batteries. Because of their unique features, the batteries look particularly well-suited to the kind of large-scale energy storage that could accelerate the adoption of renewable energy sources. Read More
— Outdoors

Bosavi multifunctional LED combines bike light, headlamp and lantern

By - June 6, 2012 9 Pictures
You can pack an entire kitchen and garage into your car for a camping trip, but the one thing you forgot will cripple you the entire time. And that's one of the reasons why multifunctional gear is such a godsend to campers. One of the latest multifunctional camping tools, the Bosavi headlamp, gives you a several different types of lighting in one versatile package. Read More

US$800 Bang & Olufsen PLAY Beolit 12 uses Apple AirPlay

The B&O PLAY Beolit 12 is about the size of a small car battery, weighs 2.8 kg and contains a substantial battery, a digital Class D 120 Watt amplifier, plus two 2" tweeters and a 4" woofer. It also connects via Apple's AirPlay, so it plays seamlessly from your iPod, IPad or iPhone by AirPlay for four hours, or wired to your iThing for eight hours. Based on our past experience with B&O, the sound will be exquisite, but the Beolit 12 might also be the most expensive accessory you'll consider for the iPhone - EUR700 or US$800. Read More
— Mobile Technology

Apple files patents for hydrogen fuel cell technology to power mobile devices

By - December 28, 2011 2 Pictures
Two recent patent applications by Apple indicate the company is looking at developing a hydrogen fuel cell system to complement the rechargeable batteries in a “portable computing device” – which could refer to Apple’s range of mobile iDevices, its MacBook range of notebooks – or both. The applications say the technology could potentially power portable electronic devices for “days or even weeks,” which would be sure to silence critics and users who have long complained about the poor battery life of not just Apple’s, but all mobile computing devices. Read More
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