Energy & Green Tech

Researchers show advance in next-generation lithium metal batteries

A Washington State University research team has developed a way to address a major safety issue with lithium metal batteries—an innovation that could make high-energy batteries more viable for next-generation energy storage.

Engineering

A self-healing sweat sensor

Wearable sensors that track heart rate or steps are popular fitness products. But in the future, working up a good sweat could provide useful information about a person's health. Now, researchers reporting in ACS Applied ...

Engineering

3-D printing of metallic micro-objects

3-D printing has become an increasingly important production method. Researchers at ETH have now developed a new 3-D printing technique by which micrometre-sized objects made of several metals can be produced with high spatial ...

Energy & Green Tech

New 'blue-green' solution for recycling world's batteries

Rice University researchers literally have a solution to deal with the glut of used lithium-ion batteries left behind by the ever-increasing demand for electric vehicles, cellphones and other electronic devices.

Energy & Green Tech

Temperature heals lithium dendrites

Rechargeable lithium-ion, the dominant battery technology for portable electronics, is increasingly becoming the battery of choice for electric-vehicle and electric-grid energy-storage applications.

Energy & Green Tech

Battery leverages both iron and oxygen to drive more lithium ions

On paper, it doesn't seem like Christopher Wolverton's super lithium-rich battery should work. For one, the novel battery uses iron, an inexpensive metal that has notoriously failed in batteries. And in another difficult ...

Energy & Green Tech

Smart windows that go from clear to dark in under a minute

Stanford University engineers have developed dynamic windows that can switch from transparent to opaque or back again in under a minute and do not degrade over time. The prototypes are plates of conductive glass outlined ...

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