4 ms·
Batteries wear out after many charge cycles, I've read -- but what about this "iron powder battery" -- can one use and "re-charge" it "forever"? Or the iron po
by HappyDreamer 6y ago
Batteries wear out after many charge cycles, I've read -- but what about this "iron powder battery" -- can one use and "re-charge" it "forever"?
Or the iron powder "wears out" somehow? less and less oxide can be converted back to iron powder? But then why
- jacobush 6y agoPossibly some of the iron could form iron nitride? But that decomposes at 400 C so it should not matter.