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An unusual choice of material yields incredibly long-lasting batteries

Non-conductive silica could be key to realizing next-generation lithium-sulfur batteries

05-Jun-2020

The tremendous increase in the use of mobile technology, wearable electronics, and a wide range of portable devices in general over the past few decades, has driven scientists worldwide to seek out the next breakthrough in rechargeable batteries. Lithium-sulfur batteries (LSBs)--composed of a ...

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Superworms digest plastic, with help from their bacterial sidekicks

Polystyrene waste to break down with enzymes or bacteria?

02-Jun-2020

Resembling giant mealworms, superworms (Zophobas atratus) are beetle larvae that are often sold in pet stores as feed for reptiles, fish and birds. In addition to their relatively large size (about 2 inches long), these worms have another superpower: They can degrade polystyrene plastic. Now, ...

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A breath of fresh air for longer-running batteries

13-Jan-2020

DGIST researchers are improving the performance of lithium-air batteries, bringing us closer to electric cars that can use oxygen to run longer before they need to recharge. In their latest study, published in the journal Applied Catalysis B: Environmental, they describe how they fabricated an ...

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Bleach-induced transformation for humidity-durable air filters

28-Jun-2019

Adding hydroquinone, a skin-bleaching ingredient, to a well-known 'metal organic framework' changes its copper ions in a way that makes this porous material exceptionally stable in water. "We developed a new method to enhance the water stability of metal organic frameworks, with potential for ...

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Converting carbon dioxide into methane or ethane selectively

16-Aug-2018

A research team led by Professor Su-Il In from Department of Energy Science and Engineering had succeeded in developing photo catalysts that can convert carbon dioxide into usable energy such as methane or ethane. As carbon dioxide emissions increase, the Earth's temperature rises and interest in ...

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Eco-friendly waterborne semiconductor inks using surfactant

28-Nov-2017

A research team of Energy Science and Engineering at DGIST has developed a technology to produce environmentally friendly water-borne semiconductor inks using surfactant, which is additives that mix substances of different properties and a component of soap. Polymer semiconductors are carbon ...

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Photocatalyst speeds up the conversion of CO2

29-May-2017

DGIST's joint research team has developed a new titania photocatalyst that converts carbon dioxide into methane three times more efficiently than the existing photocatalyst by manipulating its surface. Carbon dioxide is a major cause of global warming. Therefore, in order to control atmospheric ...

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