PALO ALTO, Ca. – Stanford University researchers found that the best way to extend the life of a lithium-metal EV battery is to drain it and let it rest for a few hours.
The study, “Resting restores performance of discharged lithium-metal batteries,” published on February 7 in the journal Nature, found that this straightforward approach restored battery capacity and boosted overall performance.
Study co-lead author Wenbo Zhang, a Stanford PhD student in materials science and engineering, said:
We were looking for the easiest, cheapest, and fastest way to improve lithium metal cycling life.
We discovered that by resting the battery in the discharged state, lost capacity can be recovered and cycle life increased.
These improvements can be realized just by reprogramming the battery management software, with no additional cost or changes needed for equipment, materials, or production flow.
The study results could provide EV…
