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146 Current news of Lawrence Berkeley National Laboratory

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Go with the flow: Scientists design new grid batteries for renewable energy

12-Nov-2019

How do you store renewable energy so it's there when you need it, even when the sun isn't shining or the wind isn't blowing? Giant batteries designed for the electrical grid - called flow batteries, which store electricity in tanks of liquid electrolyte - could be the answer, but so far utilities ...

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Plastic gets a do-over: Breakthrough discovery recycles plastic from the inside out

Next-generation plastic can be recycled again and again into new materials of any color, shape, or form

10-May-2019

Light yet sturdy, plastic is great - until you no longer need it. Because plastics contain various additives, like dyes, fillers, or flame retardants, very few plastics can be recycled without loss in performance or aesthetics. Even the most recyclable plastic, PET - or poly(ethylene ...

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New molecular blueprint advances our understanding of photosynthesis

Shedding light on the process by which plants convert carbon dioxide into sugar

19-Feb-2019

Researchers at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have used one of the most advanced microscopes in the world to reveal the structure of a large protein complex crucial to photosynthesis, the process by which plants convert sunlight into cellular ...

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A solar cell that does double duty for renewable energy

Artificial photosynthesis system that generates hydrogen fuel and electricity at the same time

31-Oct-2018

In the quest for abundant, renewable alternatives to fossil fuels, scientists have sought to harvest the sun's energy through "water splitting," an artificial photosynthesis technique that uses sunlight to generate hydrogen fuel from water. But water-splitting devices have yet to live up to their ...

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X-rays uncover a hidden property that leads to failure in a lithium-ion battery material

Experiments at SLAC and Berkeley Lab uproot long-held assumptions and will inform future battery design

19-Sep-2018

Over the past three decades, lithium-ion batteries, rechargeable batteries that move lithium ions back and forth to charge and discharge, have enabled smaller devices that juice up faster and last longer. Now, X-ray experiments at the Department of Energy's SLAC National Accelerator Laboratory ...

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Squeezing nanocrystals in a liquid droplet into a solid-like state and back again

13-Aug-2018

A team led by scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) found a way to make a liquid-like state behave more like a solid, and then to reverse the process. They put a droplet of a liquid containing iron oxide nanocrystals into an oily liquid ...

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New Competition for MOFs: Scientists Make Stronger COFs

Researchers find a way to better 'weld' covalent organic frameworks together

06-Aug-2018

Hollow molecular structures known as COFs (covalent organic frameworks), which could serve as selective filters or containers for other substances and have many other potential uses, also tend to suffer from an inherent problem: It's difficult to keep a network of COFs connected in harsh chemical ...

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Splitting water: Nanoscale imaging yields key insights

20-Jul-2018

In the quest to realize artificial photosynthesis to convert sunlight, water, and carbon dioxide into fuel - just as plants do - researchers need to not only identify materials to efficiently perform photoelectrochemical water splitting, but also to understand why a certain material may or may ...

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Continuously emitting microlasers with nanoparticle-coated beads

20-Jun-2018

Researchers have found a way to convert nanoparticle-coated microscopic beads into lasers smaller than red blood cells. These microlasers, which convert infrared light into light at higher frequencies, are among the smallest continuously emitting lasers of their kind ever reported and can ...

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Mapping nanoscale chemical reactions inside batteries in 3-D

06-Mar-2018

Researchers from the University of Illinois at Chicago and Lawrence Berkeley National Laboratory have developed a new technique that lets them pinpoint the location of chemical reactions happening inside lithium-ion batteries in three dimensions at the nanoscale level. "Knowing the precise ...

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