<p>➀ A research team led by Professor Kyu-Young Park from POSTECH has developed technology to significantly increase the lifespan and energy density of electric vehicle (EV) batteries; </p><p>➁ The technology involves a 'nano-spring coating' technique that improves battery stability and performance; </p><p>➂ The research is published in ACS Nano and has the potential to revolutionize EV battery technology.</p>