131 News from the science department by U.S. Department of Energy

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131 News from the science department by U.S. Department of Energy

Tip: You can further refine your news selection by topics, countries and industries.

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Researchers crack a key problem with sodium-ion batteries for electric vehicles and grid energy storage

Sodium-ion batteries could alleviate supply-chain concerns with lithium-ion batteries

02-Oct-2024 - Lithium-ionbatterieshave long dominated the market as the go-to power source for electric vehicles. They are also increasingly being considered for storage of renewable energy to be used on the electric grid. However, with the rapid expansion of this market, supply shortages of lithium are ...

batteries electric vehicles electromobility
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A surprising way to jump-start battery performance

First charge determines lifespan of lithium-ion batteries

03-Sep-2024 - A lithium-ion battery’s very first charge is more momentous than it sounds. It determines how well and how long the battery will work from then on – in particular, how many cycles of charging and discharging it can handle before deteriorating. In a study published inJoule, researchers at the ...

batteries battery electrodes charging
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Recycling carbon dioxide into household chemicals

New catalyst transforms carbon dioxide from industrial emissions into commonly used chemicals

23-May-2024 - A low-cost, tin-based catalyst can selectively convert carbon dioxide to three widely produced chemicals — ethanol, acetic acid and formic acid. Lurking within the emissions from many industrial operations is an untapped resource — carbon dioxide (CO2). A contributor of greenhouse gas and global ...

acetic acids carbon dioxide catalysts
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Chemists invent a more efficient way to extract lithium from mining sites, oil fields, used batteries

Success in optimizing the new process for extraction speed and efficiency could be a game-changer for the domestic lithium supply

19-Apr-2024 - Chemists at the Department of Energy’s Oak Ridge National Laboratory have invented a more efficient way to extract lithium from waste liquids leached from mining sites, oil fields and used batteries. They demonstrated that a common mineral can adsorb at least five times more lithium than can be ...

batteries battery recycling circular economy
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How scientists are accelerating chemistry discoveries with automation

New statistical-modeling workflow may help advance drug discovery and synthetic chemistry

12-Apr-2024 - A new automated workflow developed by scientists at Lawrence Berkeley National Laboratory (Berkeley Lab) has the potential to allow researchers to analyze the products of their reaction experiments in real time, a key capability needed for future automated chemical processes. The developed ...

automation chemical reactions drug design
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A battery’s hopping ions remember where they’ve been

Seen in atomic detail, the seemingly smooth flow of ions through a battery’s electrolyte is surprisingly complicated

22-Feb-2024 - Solid-state batteries store and release charge by nudging ions back and forth between two electrodes. From our usual point of view, the ions flow through the battery’s solid electrolyte like a gentle stream. But when seen on an atomic scale, that smooth flow is an illusion: Individual ions hop ...

batteries electrolytes solid electrolytes
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Argonne scientists use AI to identify new materials for carbon capture

Metal-organic framework (MOF) materials can be used in many different applications, from catalysts to energy converters

16-Feb-2024 - GenerativeAItechniques, machine learning and simulations give researchers new opportunities to identify environmentally friendly metal-organic framework materials. Carbon capture is a critical technology in reducing greenhouse gas emissions from power plants and other industrial facilities. But ...

artificial intelligence carbon capture deposition
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Engineered battery chemistry for fast charging capabilities

An electrolyte additive increased the charging rate of lithium metal batteries and led to new discoveries about battery chemistry

31-Jan-2024 - On a mission to build better electric vehiclebatteries, chemists at the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory have used an electrolyte additive to improve the functionality of energy-dense lithium metal batteries. By adding a compound called cesium nitrate to the ...

batteries battery chemistry battery research
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Catalytic combo converts CO2 to solid carbon nanofibers

Tandem electrocatalytic-thermocatalytic conversion could help offset emissions of potent greenhouse gas by locking carbon away in a useful material

16-Jan-2024 - Scientists at the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory and Columbia University have developed a way to convert carbon dioxide (CO2), a potent greenhouse gas, into carbon nanofibers, materials with a wide range of unique properties and many potential long-term uses. ...

carbon dioxide carbon emissions carbon nanofibers
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Cathode innovation makes sodium-ion battery an attractive option for electric vehicles

New cathode design could pave the way for eco- and budget-friendly electric vehicles

12-Jan-2024 - New cathode material for sodium-ion batteries is inspired by earlier work at Argonne that led to the lithium-ion batteries in the Chevy Volt and Bolt. It could help the supply of low-cost and abundant elements for electric vehicle batteries. As most shoppers looking for a new vehicle know, ...

batteries cathode materials cathodes
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