From DOE/Oak Ridge National Laboratory 14/09/23

Credit: GettyImages

Oak Ridge National Laboratory researchers are taking fast charging for electric vehicles, or EVs, to new extremes.

A team of battery scientists recently developed a lithium-ion battery material that not only recharges 80% of its capacity in 10 minutes but keeps that ability for 1,500 charging cycles. 

When a battery operates or recharges, ions move between electrodes through a medium called the electrolyte.

Researcher Zhijia Du inserts a newly developed liquid electrolyte material into a battery pouch cell. Credit: Genevieve Martin/ORNL, U.S. Dept. of Energy

ORNL’s Zhijia Du led a team who developed new formulations of lithium salts with carbonate solvents to form an electrolyte that maintains better ion flow over time and performs well when high current heats up the battery during extreme fast charging.

SEM [Scanning Electro Microscope] images of cathodes using conventional electrolyte (left) and HPE (high-performance electrolyte) cells after 1500 charging cycles. Credit: DOE/Oak Ridge National Laboratory/

Project partners tested battery pouch cells made at ORNL’s Battery Manufacturing Facility to prove the battery’s safety and cycling characteristics.

“We found this new electrolyte formulation basically triples the Department of Energy’s target for the lifespan of an extreme-fast-charging battery,” Du said.

More info


You may also be curious about:

Leave a Reply

Your email address will not be published. Required fields are marked *