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3D-printed lithium-ion batteries

18-Oct-2018

Electric vehicles and most electronic devices, such as cell phones and laptop computers, are powered by lithium-ion batteries. Until now, manufacturers have had to design their devices around the size and shape of commercially available batteries. But researchers have developed a new method to 3D ...

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As tellurium demands rise, so do contamination concerns

26-Apr-2018

As technology advances, demands for tellurium, a rare element, are on the rise. Some forms of tellurium are toxic, so as the element finds applications in solar panels, rubber production, electronics and more, researchers are becoming concerned about possible environmental contamination. Now, one ...

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Nanowires could make lithium ion batteries safer

26-Apr-2018

From cell phones and laptops to electric vehicles, lithium-ion batteries are the power source that fuels everyday life. But in recent years, they have also drawn attention for catching fire. In an effort to develop a safer battery, scientists report that the addition of nanowires can not only ...

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Dog's nose inspires new gas sensor materials

08-Mar-2018

It is well known that dogs have a better sense of smell than humans. For years, researchers have been trying to develop an artificial detector that is just as good as a canine's nose. Now, one group reports in ACS Nano that they were able to mimic a dog's sniffer with graphene-based ...

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Printable, colorful camouflage with polymers

13-Feb-2018

In nature, colors can serve as a form of communication, but they can also hide animals and plants, camouflaging them from sight. Researchers now report that they have developed polymers that can better mimic nature's color-changing abilities than existing polymers. They say the materials could ...

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Scaling to new heights with gecko-inspired adhesive

12-Jan-2018

Some animals, such as geckos, can easily climb up walls and across ceilings. But currently, no material exists that allows everyday people to scale walls or transverse ceilings as effortlessly. Now, scientists report a dry adhesive that could someday make it easier to defy gravity. Geckos can ...

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The biggest chemistry-related stories from 2017

21-Dec-2017

From a march for science to shifting environmental priorities in the policy realm, chemistry has been on the move and in the headlines in 2017. Chemical & Engineering News (C&EN), the weekly newsmagazine of the American Chemical Society, reviews the most intriguing chemistry stories of the ...

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Pulling iron out of waste printer toner

17-Nov-2017

Someday, left-over toner in discarded printer cartridges could have a second life as bridge or building components instead of as trash, wasting away in landfills and potentially harming the environment. One group reports that they have devised a method to recycle the residual powder in "empty" ...

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On the road to fire-free, lithium-ion batteries made with asphalt

13-Oct-2017

Lithium-ion batteries can be found in everything from cell phones to hoverboards, but these power sources have recently made headlines for the fires they have inadvertently caused. To address these safety hazards, scientists report that they are paving the way to better batteries with a naturally ...

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New sensors could enable more affordable detection of pollution and diseases

23-Jun-2017

When it comes to testing for cancer, environmental pollution and food contaminants, traditional sensors can help. The challenges are that they often are bulky, expensive, non-intuitive and complicated. Now, one team reports in ACS Sensors that portable pressure-based detectors coupled with ...

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