Uh, Aluminium/air batteries are one time use (not "rechargeable", rather replaceable) or there is major new chemistry. See my other comment re Al smelting and e

Uh, Aluminium/air batteries are one time use (not "rechargeable", rather replaceable) or there is major new chemistry. See my other comment re Al smelting and energy/CO2. Edit: This is discussed in the previous thread, abalone posted a link to it.