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46 Current news of Pacific Northwest National Laboratory

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Expanding the temperature range of lithium-ion batteries

24-Jun-2019

Electric cars struggle with extreme temperatures, mainly because of impacts on the electrolyte solutions in their lithium-ion batteries. Now, researchers have developed new electrolytes containing multiple additives that work better over a wide temperature range. Lithium-ion batteries are widely ...

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Rust never sleeps

Chinks in iron crystals that can 'heal'

06-Feb-2019

Like iron flowing through the blood stream, iron minerals course through the ground. These minerals are used to make steel and other metal alloys used in everything from cell phone components and cars to buildings, industrial equipment and infrastructure. Unfortunately, when exposed to oxygen and ...

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Technology clears way for ethanol-derived jet fuel

13-Jun-2018

ASTM International recently revised ASTM D7566 Annex A5 -- the Standard Specification for Aviation Turbine Fuel Containing Synthesized Hydrocarbons -- to add ethanol as an approved feedstock for producing alcohol-to-jet synthetic paraffinic kerosene (ATJ-SPK). The revision of ASTM D7566 Annex A5 ...

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New insights into nanocrystal growth in liquid

18-Sep-2017

Many seashells, minerals, and semiconductor nanomaterials are made up of smaller crystals, which are assembled together like the pieces of a puzzle. Now, researchers have measured the forces that cause the crystals to assemble, revealing an orchestra of competing factors that researchers might be ...

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The layered look of lithium sulfur

12-Jun-2017

In the quest for longer-lasting lithium rechargeable batteries, some researchers are looking to use sulfur as electrodes. The chemistry of lithium-sulfur, in theory, could allow electric vehicles to go twice as far as conventional batteries. But, in practice, unwanted chemical reactions clog the ...

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Forces that align crystals and help them snap together measured

03-May-2017

Like two magnets being pulled toward each other, tiny crystals twist, align and slam into each other, but due to an altogether different force. For the first time, researchers have measured the force that draws them together and visualized how they swivel and align. Called van der Waals forces, ...

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From moo to goo

Cooperating microbes convert methane to alternative fuel source

13-Apr-2017

Oil and gas wells and even cattle release methane gas into the atmosphere, and researchers are working on ways to not only capture this gas but also convert it into something useful and less-polluting. Now scientists at the Department of Energy's Pacific Northwest National Laboratory have ...

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Tweaking electrolyte makes better lithium-metal batteries

03-Mar-2017

Scientists have found adding a pinch of something new to a battery's electrolyte gives the energy storage devices more juice per charge than today's commonly used rechargeable batteries. New, early-stage research shows adding a small amount of the chemical lithium hexafluorophosphate to a ...

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Biofuel matchmaker: Finding the perfect algae for renewable energy

17-Jan-2017

A dozen glass cylinders containing a potential payload of bright green algae are exposed to hundreds of multi-colored lights, which provide all of sunlight's natural hues. The tiny LEDs brighten and dim to mimic the outdoors' constantly changing conditions. To further simulate a virtual cloud ...

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Water: Finding the normal within the weird

15-Dec-2016

Water has many unusual properties, such as its solid form, ice, being able to float in liquid water, and they get weirder below its freezing point. Supercooled water -- below freezing but still a liquid -- is notoriously difficult to study. Some researchers thought supercooled water behaved oddly ...

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