A Rice University chemist found that adding asphalt to lithium batteries allowed the battery to go "from zero charge to full charge in five minutes, rather than the typical two hours or more needed with other batteries."
The Rice lab of chemist James Tour developed anodes comprising porous carbon made from asphalt that showed exceptional stability after more than 500 charge-discharge cycles. A high-current density of 20 milliamps per square centimeter demonstrated the material’s promise for use in rapid charge and discharge devices that require high-power density. The finding is reported in the American Chemical Society journal ACS Nano.
As a method of testing battery output, it seems a bit elaborate, but racing AAs down coiled copper tubes looks like a lot of fun. Mr. Michal: Duracell, Varta or Energizer, Which Will Be the Best? In this video you’ll see two races between aa batteries. Infinite loop and DRAG RACE. How to make the […]
When you pay 1,000 bucks for a thing, it’d be nice if it, you know, does what it’s supposed to. In the case of a smartphone, that means taking calls, accessing the Internet, taking great photos, downloading apps–the usual. Arguably, none of these abilities baked into our pocket computers is as important as its being […]
I am proud of me. My heart rate tracker, and my cadence sensor, both need their CR2032 batteries replaced from actual USE!
If you can build a cloud infrastructure, you can build a business. Companies are overwhelmingly turning to cloud computing to set up or bolster their network, and it’s easy to see why. It allows on-demand access to processing power, a la carte services, and nearly unlimited storage, all without adding extra systems and the maintenance […]
Does your gaming setup need an upgrade? No need to wait for Christmas. We’ve rounded up the latest tech accessories for your favorite video game platforms. All of them are already sale priced, but you can knock an additional 15% off the final price for Memorial Day by using the online code WEEKEND15. Audeze Mobius […]
Raspberry Pi is one of the world’s most versatile open-source computers. Alexa is a home automation hub with limitless potential. Together, they’re a dream team for ambitious makers, opening the door to everything from automatic lights to voice-controlled robots. Learning Raspberry Pi is meant to be relatively easy for newbies, but its applications with Alexa […]