Revolution in electric vehicle battery management

New technology for the precise diagnosis of electric vehicle batteries using small currents​

25-Oct-2024 - Accurately diagnosing the state of electric vehicle (EV) batteries is essential for their efficient management and safe use. KAIST researchers have developed a new technology that can diagnose and monitor the state of batteries with high precision using only small amounts of current, which is ...

Research team develops sodium battery capable of rapid charging in just a few seconds

Breakthrough in overcoming the current limitations of energy storage systems

24-Apr-2024 - Sodium (Na), which is over 500 times more abundant than lithium (Li), has recently garnered significant attention for its potential in sodium-ion battery technologies. However, existing sodium-ion batteries face fundamental limitations, including lower power output, constrained storage ...

Eco-friendly micro-supercapacitors using fallen leaves​

Femtosecond micro-supercapacitors on a single leaf could easily be applied to wearable electronics, smart houses, and IoTs

03-Feb-2022 - A KAIST research team has developed a graphene-inorganic-hybrid micro-supercapacitor made of leaves using femtosecond direct laser writing lithography. The advancement of wearable electronic devices is synonymous with innovations in flexible energy storage devices. Of the various energy storage ...

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 ...

Development of attachable sticker-type rechargeable batteries

15-Apr-2020 - Dr. Yoon Hana at Energy Conversion & Storage Materials Laboratory of Korea Institute of Energy Research (KIER, President Kim Jong-nam), Professor Kim Young-Jin (Dept. of Mechanical Engineering, Korea Advanced Institute of Science and Technology) and Professor Kim Seungchul (Dept. of Optics and ...

3D Hierarchically Porous Nanostructured Catalyst Helps Efficiently Reduce CO2​

17-Mar-2020 - KAIST researchers developed a three-dimensional (3D) hierarchically porous nanostructured catalyst with carbon dioxide (CO2) to carbon monoxide (CO) conversion rate up to 3.96 times higher than that of conventional nanoporous gold catalysts. This new catalyst helps overcome the existing ...

New catalyst recycles greenhouse gases into fuel and hydrogen gas

20-Feb-2020 - Scientists have taken a major step toward a circular carbon economy by developing a long-lasting, economical catalyst that recycles greenhouse gases into ingredients that can be used in fuel, hydrogen gas, and other chemicals. The results could be revolutionary in the effort to reverse global ...

Gallium-based solvating agent efficiently analyzes optically active alcohols

20-Nov-2019 - A KAIST research team has developed a gallium-based metal complex enabling the rapid chiral analysis of alcohols. A team working under Professor Hyunwoo Kim reported the efficient new alcohol analysis method using nuclear magnetic resonance (NMR) spectroscopy in iScience. Enantiopure chiral ...

Tungsten suboxide improves the efficiency of platinum in hydrogen production

30-Oct-2019 - Researchers presented a new strategy for enhancing catalytic activity using tungsten suboxide as a single-atom catalyst (SAC). This strategy, which significantly improves hydrogen evolution reaction (HER) in metal platinum (pt) by 16.3 times, sheds light on the development of new electrochemical ...

High-performance sodium ion batteries using copper sulfide

17-Jul-2019 - Researchers presented a new strategy for extending sodium ion batteries' cyclability using copper sulfide as the electrode material. This strategy has led to high-performance conversion reactions and is expected to advance the commercialization of sodium ion batteries as they emerge as an ...