8.000 charges and hardly any costs: battery made from zinc and waste presented

[Redaktion]

Inexpensive raw materials and a long service life are ingredients that every battery could do with. The new type of battery should be particularly interesting as an energy storage device and is partly made from paper production waste.

https://www.notebookcheck.net/8-000-charges-and-hardly-any-costs-battery-made-from-zinc-and-waste-presented.838107.0.html

[anan]

larger version that is roughly equivalent to a typical car battery and should deliver several hundred watts of power

This is not that impressive. Also there are some problems with longevity (that 20 year figure is theoretical as this battery has some degradation problems).