Fixing a hidden flaw could unlock better batteries for electric vehicles

https://techxplore.com/news/2022-09-hidden-flaw-batteries-electric-vehicles.html

"examine and track nano-scale materials changes within a battery while actually charging and discharging the battery... irregularities between grains can accelerate battery failure by moving ions faster to one region in the battery over another. Adjusting material processing and manufacturing approaches could help solve the batteries' reliability problems"