Zinc Air Batteries any actual experience?

[TD-Horne]

I have some combination lantern flashlights that have been used primarily as lanterns. They are truly old tech. The battery compartment is for the 6 Volt, rectangular profile, spring terminal battery. A company from Spain Cegasa Energía, S.L.U. makes the 6 volt lantern battery in a Zinc Air chemistry. These batteries may be a good choice for these 6 volt lantern battery lights that are kept in readiness for power blackouts or other standby lighting needs. Does anyone have real world experience with larger than button size Zinc Air batteries?

Tom Horne

 

[bykfixer]

Zinc–air batteries: are they ready for prime time?

Zn–air batteries are under revival. They have large theoretical energy density and potentially very low manufacturing cost compared to the existing Li-ion technology. However, their full potential has not been fulfilled due to challenges associated with air cathodes and Zn anodes. In this...

pubs.rsc.org

They seem to have a new set of eyes looking at their possibilities these days.