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206 Current news from korea, republic of (south korea)

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New single-atom catalyst can produce hydrogen from urea at an exceptional rate

Liquid nitrogen quenching introduces tensile-strain on the surface of oxide support, stabilizing ultra-high loading of single metal atom sites

15-Oct-2021

While hydrogen is widely suggested as an alternative fuel with zero carbon emission, the majority of commercial hydrogen fuel production is obtained from the refining of fossils fuels. The limited reservoir of fossils fuels and their negative impact on the environment has encouraged researchers ...

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30-minute synthesis of cathode materials for flexible lithium-sulfur batteries

Innovative lithium-sulfur battery provides high energy density, fast charging, and mechanical flexibility

01-Oct-2021

Foldable mobile phones are gaining popularity these days. As the popularity of such intelligent flexible devices and electric vehicles increases, the demand for high-energy, long-life and fast-charging energy storage systems is increasing. The current lithium-ion battery technologies cannot meet ...

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A flexible, stretchable battery capable of moving smoothly like snake scales

This new battery is expected to have a wide range of uses

30-Sep-2021

The Korea Institute of Machinery and Materials (KIMM), an institute under the jurisdiction of the Ministry of Science and ICT, has developed a flexible, stretchable battery that bends and stretches like a snake. This new battery is expected to have a wide range of uses, such as in energy storage ...

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Advance in water purification

Using radicalized NOX derivatives supported on metal oxides

21-Sep-2021

NOX (X=1 or 2) emitted from stationery/mobile sources are conventionally deemed as notorious, anthropogenic precursors of ultrafine particulate matters (PM2.5) because NOX can undergo a series of SO2-assisted photochemical transformative stages to finally evolve PM2.5 functioning as an air ...

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Pioneering breakthrough: Creation of the most perfect graphene

New discovery allows for scalable production of fold-free and ad-layer free single-crystal graphene

27-Aug-2021

A team of researchers led by Director Rod Ruoff at the Center for Multidimensional Carbon Materials (CMCM) within the Institute for Basic Science (IBS), including graduate students at the Ulsan National Institute of Science and Technology (UNIST), have achieved growth and characterization of ...

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The new alchemy in carbon neutrality: turning water into ammonia with only renewable energy!

Producing ‘green ammonia’ with zero carbon emissions

24-Aug-2021

The Korea Institute of Machinery and Materials (KIMM), an institution under the jurisdiction of the Ministry of Science and ICT, has developed an innovative process that uses renewable energy to produce ammonia at room temperature and normal pressure. This innovative technology is expected to ...

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The dream artificial photosynthesis technology ventures from the laboratory

"We developed a meaningful artificial photosynthesis system that directly operates through sunlight in real solar environments by using commercialized silicon solar cells"

23-Aug-2021

Korean researchers are striving to turn artificial photosynthesis technology into reality to achieve carbon neutrality or accomplish a net carbon emission value of 0. Artificial photosynthesis is a technology that mimics natural photosynthesis by using the received sunlight energy to convert ...

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Breakthrough: Novel technique seamlessly converts ammonia to green hydrogen

Findings have attracted significant attention from academic research communities

13-Aug-2021

A research team, led by Professor Guntae Kim in the School of Energy and Chemical Engineering at UNIST has announced a breakthrough in technology that efficiently converts liquid ammonia into hydrogen. Their findings have also attracted significant attention from academic research communities ...

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New mechanism of superconductivity discovered in graphene

Placing a 2D Bose-Einstein condensate in the vicinity of a graphene layer confers superconductivity to the material

20-Jul-2021

Superconductivity is a physical phenomenon where the electrical resistance of a material drops to zero under a certain critical temperature. Bardeen-Cooper-Schrieffer (BCS) theory is a well-established explanation that describes superconductivity in most materials. It states that Cooper pairs of ...

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Quantum laser turns energy loss into gain?

A new laser that generates quantum particles can recycle lost energy for highly efficient, low threshold laser applications

13-Jul-2021

Scientists at KAIST have fabricated a laser system that generates highly interactive quantum particles at room temperature. Their findings, published in the journal Nature Photonics, could lead to a single microcavity laser system that requires lower threshold energy as its energy loss ...

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