Gold, silver, zinc, copper, lead !, page-12

This article is a good read.

New zinc battery competes with lithium-ion
A new way to put the zinc together makes this safer chemistry an option.
SCOTT K. JOHNSON - May 3 2017
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With lithium-ion batteries showing so much promise, zinc research went quiet in the late 1990s and early 2000s. But the door has recently opened again. “I think the most important thing about this paper is that it makes it clear that zinc anodes should be taken seriously and studied and scaled with far stronger effort than [they have] in the past,”