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South Korea develops fast-charging sodium-ion hybrid batteries

Seoul, Apr 23 (Prensa Latina) A high-energy, high-power sodium-ion hybrid battery that can be charged in just a few seconds was unveiled by scientists at the Korea Advanced Institute of Science and Technology (KAIST), it was learned on Monday.

Korean experts designed an innovative energy storage system that integrates anode materials normally used in batteries with cathodes suitable for supercapacitors, enabling the device to achieve high storage capacities and fast charging or discharging speeds.

The new batteries can be filled with energy quickly and reach a density of 247 Watt-hours per kilogram (Wh/kg) and a power density of 34,748 W/kg, the experts explained.

They said that with these properties, the batteries will have a wide range of applications in various electronic devices, including electric vehicles and aerospace technologies.

In order to achieve the novel devices, they used two different organo-metallic structures for the optimized synthesis of hybrid batteries, developing an anode material with improved kinetics by including fine active materials in porous carbon.