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Engineers solve a mystery on the path to smaller, lighter batteries

Branchlike metallic filaments can sap the power of solid-state lithium batteries

22-Nov-2022

A discovery by MIT researchers could finally unlock the door to the design of a new kind of rechargeable lithium battery that is more lightweight, compact, and safe than current versions, and that has been pursued by labs around the world for years. The key to this potential leap in battery ...

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A new concept for low-cost batteries

The new technology is already the basis for a new spinoff company

29-Aug-2022

As the world builds out ever larger installations of wind and solar power systems, the need is growing fast for economical, large-scale backup systems to provide power when the sun is down and the air is calm. Today’s lithium-ion batteries are still too expensive for most such applications, and ...

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Using artificial intelligence to control digital manufacturing

Researchers train a machine-learning model to monitor and adjust the 3D printing process to correct errors in real-time

09-Aug-2022

Scientists and engineers are constantly developing new materials with unique properties that can be used for 3D printing, but figuring out how to print with these materials can be a complex, costly conundrum. Often, an expert operator must use manual trial-and-error — possibly making thousands of ...

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New light-powered catalysts could aid in manufacturing

When coated onto plastic tubing, the catalysts could act on chemicals flowing through, helping to synthesize drugs and other compounds

01-Jun-2022

Chemical reactions that are driven by light offer a powerful tool for chemists who are designing new ways to manufacture pharmaceuticals and other useful compounds. Harnessing this light energy requires photoredox catalysts, which can absorb light and transfer the energy to a chemical ...

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Mini-fuel cell generates electricity using the body's sugar

Glucose energy source for medicinal implants and sensors

24-May-2022

Glucose is the most important energy source in the human body. Scientists at the Technical University of Munich (TUM) and the Massachusetts Institute of Technology (MIT) now want to use the body's sugar as an energy source for medicinal implants. They have developed a glucose fuel cell which ...

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Light may increase performance of fuel cells and lithium-ion batteries

Light makes ions mobile

24-Mar-2022

Lithium-ion batteries, fuel cells and many other devices depend on the high mobility of ions in order to work properly. But there a large number of obstacles to such mobility. A research team led by Jennifer L. M. Rupp of the Technical University of Munich (TUM) and Harry L. Tuller of the ...

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Frozen light in graphene

Basis for extremely sensitive infrared and terahertz detectors much smaller than existing ones, with similar absorption efficiency

24-Feb-2022

Scientists from University of Regensburg, Massachusetts Institute of Technology, Moscow institute of Physics and Technology, and University of Kansas have discovered abnormally strong light absorption in graphene. The effect arises from the conversion of ordinary electromagnetic waves into ...

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Accelerating the discovery of new materials for 3D printing

A new machine-learning system costs less, generates less waste, and can be more innovative than manual discovery methods

19-Oct-2021

The growing popularity of 3D printing for manufacturing all sorts of items, from customized medical devices to affordable homes, has created more demand for new 3D printing materials designed for very specific uses. To cut down on the time it takes to discover these new materials, researchers at ...

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International team improves efficiency of liquid metal batteries

Improved electrolyte formulation increase the power efficiency to nearly 100 percent

17-Sep-2021

Climate protection means increasingly turning to renewable energies. But in order to store the energy produced by solar, wind and other regenerative processes, sophisticated systems are required. Today’s storage options are still too expensive and hardly or even impossible to recycle. Scientists ...

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Breakthrough in sizing nanoparticles using fluid-filled tubes

Simple mechanical tube key to measuring mass and size of nano-particles simultaneously

31-Aug-2021

The functionality of nanoparticles in a host of applications, including drug delivery and nano-optics, is often dictated by their mass and size. Measuring these properties simultaneously for the same nanoparticle has also been challenging. Now scientists from the University of Melbourne and ...

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