Originally Posted by Tallest Skil
Wait, what? No… right? That's not… possible?
Well, it would be a fuel cell, not technically a battery. Apple has a patent for "Current collector plates of bulk-solidifying amorphous alloys":
Liquidmetal has several different alloys known as "bulk-solidifying amorphous alloys," at least one of which Apple has looked into for use in fuel cells. If you are interested, here is an article that gives a better explanation:
The alloy in that article is one of Liquidmetal's, as is seen in this patent:
Assigned to Crucible Intellectual Properties (a wholly owned subsidiary of Liquidmetal).
Some of their other alloys would make for suitable casings.