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16 Current news of national-research-council-of-science-technology-nst

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Clues to accelerate commercialization of all-solid-state batteries

New findings reveal how degradation of all-solid-state batteries occurs at the cathode under low-pressure operation

11-Dec-2023 - Often referred to as the ‘dream batteries’, all-solid-state batteries are the next generation of batteries that many battery manufacturers are competing to bring to market. Unlike lithium-ion batteries, which use a liquid electrolyte, all components, including the electrolyte, anode, and cathode, ...

all-solid-state batteries batteries energy density +3
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Capturing nanoplastics in tap water with light

Electro-photonic tweezer captures and detects trace amount of nanoplastics through surface-enhanced Raman scattering

06-Mar-2023 - Nanoplastics are plastics that have been discarded from our daily lives and that enter ecosystems in the size scale below 1 micro-metter after their physical and chemical disintegration. Recent research has shown that the concentration of microplastics in the major rivers in South Korea is the ...

microplastics nanoplastics plastics +2
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Development of stretchable and printable free-form lithium-ion batteries

Realization of stretchable, adhesive, and mechanically deformable batteries that effectively transfer ions

29-Mar-2022 - A Korean research team has developed a soft, mechanically deformable, and stretchable lithium battery which can be used in the development of wearable devices, and examined the battery’s feasibility by printing them on clothing surfaces. The research team, led by Dr. Jeong Gon Son from the Soft ...

lithium batteries wearable electronics
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Producing ethylene from food waste without greenhouse gas emissions

Great help expected for chemical companies to achieve carbon neutrality

09-Mar-2022 - The Korea Institute of Science and Technology (KIST, President Dr. Yoon, Seok-Jin) announced that a research team led by Dr. Jeong-Myeong Ha of the Clean Energy Research Center developed a process technology and catalyst for removing hydrogen sulfide, a toxic substance, during the process of ...

biogas catalysts ethylene +2
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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 ...

batteries energy storage flexible electronics +1
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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 ...

catalysts wastewater treatment water purification
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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 ...

ammonia ammonia synthesis carbon emissions +2
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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 ...

artificial photosynthesis carbon dioxide carbon monoxide +1
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Making seawater drinkable in minutes

A new alternative seawater desalination membrane to produce drinking water

30-Jun-2021 - According to the World Health Organization, about 785 million people around the world lack a clean source of drinking water. Despite the vast amount of water on Earth, most of it is seawater and freshwater accounts for only about 2.5% of the total. One of the ways to provide clean drinking water ...

desalination drinking water electrospinning +3
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Semiconductor technology mitigates fire risk in electric vehicle batteries

Convergence of semiconductor physics and electrochemistry leads to effective inhibition of dendrite formation using semiconducting passivation layers

17-Jun-2021 - Despite rapid development of electric vehicles (EVs), the safety of the lithium-ion (Li-ion) batteries remains a concern as they are as a fire and explosion risk. Among the various approaches to tackle this issue, Korean researchers have used semiconductor technology to improve the safety of ...

batteries electric cars fullerenes +2