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How a common additive gives lithium-ion batteries a boost

Researchers have identified what makes a common electrolyte additive so effective at improving the performance of batteries using a lithium cobalt oxide cathode

28-Sep-2022

Nitriles—an organic compound with a carbon atom triple-bonded to a nitrogen atom—are commonly added to the electrolyte formula for batteries using a lithium cobalt oxide cathode, making such batteries come much closer to realizing their full theoretical performance. Until now, battery researchers ...

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Damage-free way to gauge the health of next-gen batteries for electric vehicles

Electrochemical impedance spectroscopy shows how solid-state lithium metal batteries degrade

20-Sep-2022

Researchers from Tokyo Metropolitan University have demonstrated that electrochemical impedance spectroscopy (EIS) can be a powerful non-destructive tool to study the degradation mechanisms of all-solid-state lithium metal batteries. They studied ceramic-based all-solid-state Li metal batteries ...

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Mirror image molecules reveal drought stress in forests

Ecosystem changes can be more accurately predicted by emissions of chiral compounds

09-Sep-2022

Worldwide, plants emit about 100 million tonnes of monoterpenes into the atmosphere each year. These volatile organic molecules include many fragrances such as the molecule pinene – known for its pine fresh scent. Since these molecules are highly reactive and can form tiny aerosol particles that ...

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Organic thin-film sensors for light-source analysis and anti-counterfeiting applications

As integrated components, the thin-film sensors could eliminate the need for external spectrometers in the future

07-Sep-2022

In a recent publication in the scientific journal “Advanced Materials”, a team of physicists and chemists from TU Dresden presents an organic thin-film sensor that describes a completely new way of identifying the wavelength of light and achieves a spectral resolution below one nanometer. As ...

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Rethinking indoor air chemistry

People generate their own oxidation field and change the indoor air chemistry around them

06-Sep-2022

People typically spend 90 percent of their lives inside, at home, at work or in transport. Within these enclosed spaces, occupants are exposed to a multitude of chemicals from various sources, including outdoor pollutants penetrating indoors, gaseous emissions from building materials and ...

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Less risk, less costs: Portable spectroscopy devices could soon become real

New approach to enable measurements without strong magnetic fields

06-Sep-2022

Nuclear magnetic resonance (NMR) is an analytical tool with a wide range of applications, including the magnetic resonance imaging that is used for diagnostic purposes in medicine. However, NMR often requires powerful magnetic fields to be generated, which limits the scope of its use. Researchers ...

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Exposing what’s in tattoo ink

Ingredient lists often aren’t accurate

29-Aug-2022

From life-like faces to elaborate nature scenes, tattoos are a true art form. Although people have decorated their bodies for millennia for ceremonial and religious reasons, many people today adorn themselves with these images as a form of self-expression. But the inks used for tattoos are ...

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Pumping up the music of molecules

Significantly improving the "sense of smell" of molecular laser spectroscopy: Increases chances to reliably detect diseases

25-Aug-2022

Sensitive animal noses can sniff out trace particles, such as volatile organic compounds, in the ambient air. Humans, on the other hand, are developing innovative technologies for this purpose, such as optical spectroscopy. This uses laser light to detect the molecular composition of gases. It ...

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One more clue to the Moon’s origin

Researchers from ETH Zurich discover the first definitive proof that the Moon inherited indigenous noble gases from the Earth’s mantle

18-Aug-2022

The discovery represents a significant piece of the puzzle towards understanding how the Moon and, potentially, the Earth and other celestial bodies were formed. Humankind has maintained an enduring fascination with the Moon. It was not until Galileo’s time, however, that scientists really began ...

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Automated measurement technique for microplastic detection in water

Graduates of the University of Bayreuth receive EXIST start-up scholarship

17-Aug-2022

Jens Pfeiffer and Valentin Meiler are funded by the EXIST Start-up Grant from the Federal Ministry of Economics and Climate Protection and the European Social Fund (ESF). The funding amount for "MYTRA - Measurement of Microplastics" is over 100,000 euros. The founding team, which so far consists ...

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