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Fertilizing the ocean to store carbon dioxide

Iron-based fertilizer, engineered into nanoparticles, could help store excess carbon dioxide in the ocean


The urgent need to remove excess carbon dioxide from Earth’s environment could include enlisting some of our planet’s smallest inhabitants, according to an international research team led by Michael Hochella of the Department of Energy’s Pacific Northwest National Laboratory. Hochella and his ...


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Simple process extracts valuable magnesium salt from seawater

This method plays a new trick with an old process


Since ancient times, humans have extracted salts, like table salt, from the ocean. While table salt is the easiest to obtain, seawater is a rich source of different minerals, and researchers are exploring which ones they can pull from the ocean. One such mineral, magnesium, is abundant in the sea ...


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Plastic upcycling: From waste to fuel for less

Problem plastics could be diverted from landfills and converted into fuel sources with new technology


A plastics recycling innovation that does more with less, presented at the American Chemical Society fall meeting in Chicago, simultaneously increases conversion to useful products while using less of the precious metal ruthenium. “The key discovery we report is the very low metal load,” said ...


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Longer lasting sodium-ion batteries on the horizon

An advanced sodium-ion battery design overcomes technical hurdles


Cheap and abundant, sodium is a prime promising candidate for new battery technology. But limited performance of sodium-ion batteries has hindered their large-scale applications. Now, a research team from the Department of Energy’s Pacific Northwest National Laboratory has developed a sodium-ion ...


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Surprising semiconductor properties revealed with innovative new method

Discovery reveals role of oxygen impurities in semiconductor properties


A research team probing the properties of a semiconductor combined with a novel thin oxide film have observed a surprising new source of conductivity from oxygen atoms trapped inside. Scott Chambers, a materials scientist at the Department of Energy’s Pacific Northwest National Laboratory, ...


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Making methane from CO2: Carbon capture grows more affordable

“This study offers a cost-effective pathway toward making something valuable out of waste CO2”


In their ongoing effort to make carbon capture more affordable, researchers at the Department of Energy’sPacific Northwest National Laboratoryhave developed a method to convert captured carbon dioxide (CO2) into methane, the primary component of natural gas. By streamlining a longstanding ...


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It's elemental: Ultra-trace detector tests gold purity

Ultra-trace radiation detection technique sets new global standard for measuring the nearly immeasurable


Unless radon gas is discovered in a home inspection, most people remain blissfully unaware that rocks like granite, metal ores, and some soils contain naturally occurring sources of radiation. In most cases, low levels of radiation are not a health concern. But some scientists and engineers are ...


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A leap in using silicon for battery anodes

Novel nanostructure design lends extraordinary strength to a promising storage ingredient


The same material you'll find at the tip of a pencil--graphite--has long been a key component in today's lithium-ion batteries. As our reliance on these batteries increases, however, graphite-based electrodes are due for an upgrade. For that, scientists are looking to the element at the heart of ...


Army scientists look inside batteries with a molecular eye


Scientists are closer to understanding exactly what happens inside batteries that make them prone to fire, thanks to a molecular eye of sorts. Scientists at the U.S. Army Combat Capabilities Development Command's Army Research Laboratory teamed with researchers from the U.S. Department of ...


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Scientists learn more about the first hours of a lithium-ion battery's life

New technology enables nanoscale molecular view of self-assembling gateway structure within


The first hours of a lithium-ion battery's life largely determine just how well it will perform. In those moments, a set of molecules self-assembles into a structure inside the battery that will affect the battery for years to come. This component, known as the solid-electrolyte interphase or ...


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