One of the barriers to adoption of electric vehicles is the inconvenience of charging when going long distances. According to the Department of Energy, customers spend an average of 42 minutes at paid fast charging stations. But the Korea Advanced Institute of Science and Technology (KAIST) has developed a sodium battery that could charge in seconds.
To do this, the researchers incorporated improved materials in the system’s anodes as well as its cathodes (the parts of a battery between which electrons flow during charging and discharging). The result, according to KAIST, is an energy storage system with a fast-charging cycle that has the enhanced power characteristics of supercapacitors.
Another benefit of sodium-based batteries is that salt is far more inexpensive than lithium, which is used in the majority of EV batteries. It’s also 500 times more abundant, according to KAIST.
https://www.thecooldown.com/green-tech/salt-based-battery-ev-charging-sodium/
Darcy Hitchcock 
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