4 ms·
> Because what is in a 9 volt is 6 AAAA But then the question would shift to: Why wouldn’t a AAAA cell have the same energy density of a AA cell? Remember that
by computator 2y ago
> Because what is in a 9 volt is 6 AAAA
But then the question would shift to: Why wouldn’t a AAAA cell have the same energy density of a AA cell? Remember that the argument is about energy density, not total energy.
By the way, I think that fsh’s reply is a convincing answer: it’s the extra packaging that kills the density.
- DanTheManPR 2y agoThe current collector also takes up relatively more volume, on top of the packaging (the wall thickness would be the same, and it's not a trivial part of the volume of small cell batteries).