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Yes they are. There are trace amounts and they are used in the production of lithium batteries. They are also used in semiconductors and the production of them.
by dbuder 6y ago
Yes they are. There are trace amounts and they are used in the production of lithium batteries. They are also used in semiconductors and the production of them.
- bryanlarsen 6y agoWhich earths in which chemistries? Or are you saying they're used during production, but but don't end up in the batteries?