News tagged with energy density

High-efficiency zinc-air battery developed

Stanford University scientists have developed an advanced zinc-air battery with higher catalytic activity and durability than similar batteries made with costly platinum and iridium catalysts. The results, ...

May 29, 2013
4.6 / 5 (32) 11 | with audio podcast

How to overcome the oxide barrier

(Phys.org) —Researchers at Pacific Northwest National Laboratory have uncovered the characteristics of a low-resistance electrical contact to strontium titanate, SrTiO3, an important prototypical oxide semi ...

May 13, 2013
5 / 5 (2) 0 | with audio podcast

Two takes on lithium-ion batteries

Lithium-ion batteries have transformed our lives. Without them, we wouldn't have laptop computers or cell phones—at least, not the long-lived, lightweight kindwe're used to—and in the near future they ...

Apr 16, 2013
5 / 5 (2) 5

Tortuous paths hamper ion transport

(Phys.org) —ETH-Zurich researchers use x-ray tomography to screen lithium ion battery electrodes and can reconstruct the microstructure in high resolution. This helps to understand the discharging and charging ...

Apr 08, 2013
5 / 5 (2) 0 | with audio podcast

NRL Nike Laser focuses on nuclear fusion

Researchers at the U.S. Naval Research Laboratory have successfully demonstrated pulse tailoring, producing a time varying focal spot size known as 'focal zooming' on the world's largest operating krypton ...

Mar 20, 2013
4.4 / 5 (10) 0

Building a better battery

A new battery technology provides double the energy storage at lower cost than the batteries that are used in handheld electronics, electric vehicles, aerospace and defence.

Mar 11, 2013
4.7 / 5 (15) 10 | with audio podcast

Organizing enzymes to create electricity

An assistant professor at the University of California, Riverside's Bourns College of Engineering has recently received a $360,000 grant to better organize enzymes on electrodes to create nanoscale devices that more efficiently ...

Mar 07, 2013
not rated yet 0