Part 2 (this) will deal with prospects and solutions, mainly the state of the art of sodium-ion batteries, their prospects and limitations. Part 1 of "Why we are addicted to lithium (... and how to shake the habit)" will give an overview of lithium-ion-battery technology, the history of its development, state of the art, prospects and problems. about this event: https://pretalx.c3voc.de/rc3-2021-r3s/talk/LL7FFE/