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Researchers propose reason for capacity loss in metal-oxide battery materials

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Magnetite, among other conversion-type electrode materials (i.e., materials that get converted into entirely new products when they react with lithium), can store more energy than today’s electrode materials because they can accommodate more lithium ions.

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Ionic Liquids for Conversion of Biomass to Sugars or HMF Without Additional Catalysts

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Researchers at Colorado State University have shown that under relatively mild conditions (?140 The results, they say, are broadly relevant to reactions involving the use of IL-H 2 O mixtures (as solvents, reactants, or catalysts), including, but not limited to, organic catalysis, electrochemistry, and biomass processing or conversion.

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2021's Top Stories About AI

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Many of this year's top articles grappled with the limits of deep learning (today's dominant strand of AI) and spotlighted researchers seeking new paths. Here are the 10 most popular AI articles that Spectrum published in 2021, ranked by the amount of time people spent reading them. Their article isn't a total downer, though.

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The First Digital Camera Was The Size of a Toaster

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Photos have become the universal form of casual conversation,” he said in a 2018 interview with The Institute. Although the CCDs could capture an image, they couldn’t store it. He designed it so each tape would store 30 images. Sasson says he never anticipated how the imaging of everything would become so ubiquitous.

Store 101
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NREL researchers capture excess photon energy to produce solar fuels; higher efficiency water-splitting for H2

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All are from NREL; Crisp also is affiliated with the Colorado School of Mines, and Pach and Marshall are affiliated with the University of Colorado, Boulder. We demonstrated that the same process that produces extra current in a solar cell can also be applied to produce extra chemical reactions or stored energy in chemical bonds.

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UCSD, South 8 team report improved liquefied-gas electrolytes for Li-metal batteries

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The research, published in the journal Joule , builds on innovations first reported in Science in 2017 by the same research group at the University of California San Diego and the university spinout South 8 Technologies. In contrast, most of conventional electrolytes fail to work below minus 20 ?C. 1721646).

Gas 247
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Yeast engineered to co-consume xylose and acetic acid boosts cellulosic ethanol yield by 10%

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Now, researchers from the University of Illinois at Urbana-Champaign and UC Berkeley have engineered yeast to convert cellulosic sugars and toxic levels of acetate together into ethanol under anaerobic conditions. Acetic acid is toxic to fermenting microorganisms and negatively influences sugar fermentation and biofuel yields. cerevisiae.

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