For some chemistries, but there are multiple grid battery contenders which do not involve rare-earths. Even in chemistries that use it, Rare earth materials are

For some chemistries, but there are multiple grid battery contenders which do not involve rare-earths. Even in chemistries that use it, Rare earth materials are being minimized or designed out. https://rmi.org/rmi-reality-check-greener-friendlier-alternatives-exist-for-rare-minerals-in-batteries/ https://rmi.org/rmi-reality-check-greener-friendlier-alterna...