The battery industry is experiencing a veritable boom: there are constantly new breakthroughs in battery technology that will sooner or later find their way into electric cars. And these innovations are not limited to lithium-ion batteries; other battery types and cell chemistries are also constantly making leaps in energy density, price, efficiency or longevity. In addition, there are more and more promising developments in sustainability (recycling), charging speed (megawatt charging) or data analytics (AI and batteries). Daniel presents 5 important battery highlights from 2023.