I have heard of silver-zinc batteries before, but this is the first I have heard of them actually being mass-produced as of late. Apparently, because the source materials can get expensive ...

The nickel-zinc (zinc/nickel-oxide) battery is an alkaline rechargeable system ... which is similar to that used in the silver-zinc battery system. Currently the nickel-zinc system is capable of ...

Cupels were traditionally made from bone ash or other materials rich in calcium carbonate, which gradually absorbs the zinc oxide, leaving behind a button of purified silver. Cupellation can also ...