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National Research Council of Science & Technology


Investigation of degradation mechanism for all-solid-state batteries takes another step toward commercialization

Researchers at KIST identified degradation factors causing rapid capacity degradation and shortened lifespan in all-solid-state batteries. The team found that cracking of the cathode material, irreversible phase transformation, and lithium consumption contribute to overall cell capacity reduction.

SourceNational Research Council of Science & Technology·JournalAdvanced Energy Materials·DateDec 4, 2023

KERI's metamaterial, stretchable and efficient wearable thermoelectric energy harvester!

KERI's team created a stretchable thermoelectric generator using a partially air-filled gasket with metamaterial, achieving high efficiency and elasticity. The device can produce power density more than 20 times higher than existing flexible thermoelectric generators, making it suitable for IoT and AI-based wearable devices.

SourceNational Research Council of Science & Technology·JournalAdvanced Energy Materials·DateNov 21, 2023

Women with depression have 20% lower taurine concentration in the hippocampus

A study found that women with depression have a 20% lower taurine concentration in the hippocampus, a region crucial for memory and learning. The research used ultra-high magnetic field MRI to measure metabolite concentrations, providing new insights into the role of taurine in depression prevention, diagnosis, and treatment.

SourceNational Research Council of Science & Technology·JournalBiological Psychiatry·DateNov 14, 2023

Research team at World Institute of Kimchi discovers lactic acid bacteria strains with high virus resistance from kimchi

Researchers at the World Institute of Kimchi identified Pediococcus inopinatus, a lab strain with a well-developed CRISPR-Cas system, which provides strong defense against viruses. The discovery could lead to the development of phage-resistant LAB strains for food production and potentially even pharmaceutical applications.

Multimodal graphene-based e-textiles for the realization of customized e-textiles have been developed for the first time in the world

Researchers have developed graphene-based e-textiles with world-class electrical conductivity using ultrashort pulse laser processing. The technology enables environmentally friendly mass production of customized e-textiles, paving the way for industrial and military applications.

A cheaper, safer alternative to lithium-ion batteries: Aqueous rechargeable batteries

Researchers have developed a highly safe aqueous rechargeable battery with an automatic conversion mechanism that converts hydrogen gas into water, ensuring performance and safety. This technology has significant economic advantages over lithium-ion batteries and can be applied to various industrial facilities.

SourceNational Research Council of Science & Technology·JournalEnergy Storage Materials·DateOct 13, 2023

Korea Electrotechnology Research Institute (KERI) and Research Institutes of Sweden AB (RISE) Ink MoU to Advance Cooperation in Science and Technology

KERI and RISE aim to strengthen joint research in national strategic technologies through initiatives such as joint research projects, collaborative workshops, and talent exchanges. The partnership is expected to unlock synergies driven by RISE's expertise in silicon carbide power semiconductors.

Era of hydrogen-fueled vehicles to begin -- World-class technology technology for a 2-liter class hydrogen engine (or a passenger car hydrogen engine) capable of running entirely on hydrogen has been developed for the first time in the country

A new direct injection hydrogen engine developed in Korea can run entirely on hydrogen, reducing carbon dioxide emissions by 99% and fine dust by 90%. The engine's high thermal efficiency and power performance also help minimize harmful nitrogen oxide emissions.

Easier and faster materials microstructure analysis through human-AI collaboration!

A new technology enables automatic identification and quantification of materials microstructure from microscopic images via human-in-the-loop machine learning. This approach reduces annotation costs by using scribble annotations instead of dense annotations, making it more efficient for researchers to analyze materials.

Myocardial infarction, the number one cause of sudden death, may be treated by modulating the immune response.

Researchers developed a novel treatment for severe myocardial infarction by reducing inflammation and improving heart function. The treatment uses anti-inflammatory nanovesicles derived from fibroblasts with induced apoptosis, delivered specifically to macrophages at the site of myocardial infarction.

SourceNational Research Council of Science & Technology·JournalAdvanced Functional Materials·DateAug 25, 2023

Understanding river alteration via shifting flow regime

Researchers investigate drastic short-term alterations in rivers due to shifts in vegetation and geomorphology, attributed to climate change and human factors. The study found that Naeseongcheon Stream experienced significant vegetation encroachment after a drought, leading to rapid alteration from a white river to a green river.

SourceNational Research Council of Science & Technology·JournalRiver Research and Applications·DateAug 22, 2023

Developing a nonflammable electrolyte to prevent thermal runaway in lithium-ion batteries. Nonfluorinated, nonflammable electrolytes present a viable route to achieving thermally stable high-performance batteries.

Researchers have developed a nonflammable electrolyte that can be used in lithium-ion batteries without catching fire at room temperature. The new electrolyte, bis(2-methoxyethyl) carbonate (BMEC), has a higher flash point and improved ionic conductivity than traditional electrolytes.

SourceNational Research Council of Science & Technology·JournalEnergy & Environmental Science·DateAug 1, 2023

Joint research team from Korea and Germany seeks to enhance production efficiency of fuel cells with laser machining technology

A joint Korean-German research team has developed a new laser machining technology for fuel cells that enables simultaneous welding and cutting of thin bipolar plates. The technology uses a scanner with real-time cross-coupling control to improve machining accuracy and reduce costs.