While lithium-ion batteries have brought about significant advancements, they are not without challenges. Concerns include the sourcing of rare materials like lithium and cobalt, safety issues, and the need for improved recycling and disposal methods.
In response to these challenges, researchers are exploring alternative battery technologies, such as solid-state batteries and lithium-sulfur batteries, which aim to address some of the limitations of lithium-ion batteries while further enhancing energy storage capabilities.