Having a good aluminum-air battery would be fantastic, even if it was non-rechargeable. It makes no sense to replace the existing battery pack in BEVs, but they

Having a good aluminum-air battery would be fantastic, even if it was non-rechargeable. It makes no sense to replace the existing battery pack in BEVs, but they could be used for range extension when going on road trips. I'd be really curious to know how many kWh you could pack in a hand-swappable unit like Gogoros batteries. Make two slots in the bottom of the trunk (in a way that it can be used for storage when you don't have batteries in there). When you go on a long trip, just go to a station, pick up two batteries, and drop them off at your destination. The problem is, considering that this is the main use case, it's not a technology with a huge market potential like lithium-ion. It's nice-to-have, but not essential. Could also make sense for electric air planes or boats. "The technology development has peaked and unlike aluminum, lithium is not recyclable" This is just false. Solid state lithium-ion batteries are arguably more mature than aluminum-air, which is a huge step forward. Lithium is also recyclable. That process is not as mature as the process for making aluminum, but I'm guessing there's a bit more to scaling up the recycling of these batteries than just handing over the spent cell to an aluminum smelter.