this post was submitted on 13 Jun 2025
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Electric Vehicles
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I'm impressed these are already in vehicles since I heard the energy density wasn't as good as lithium. Should do away with a lot of the stationary lithium stuff.
Supposedly they don't have the charge-discharge rate limitations that lithium iron phosphate cells do, so I'm very interested in them for backup power (UPS) applications on a consumer scale - something to keep the homelab up during a power failure of a couple hours or less.
Do you think it would be enough to help people in areas with inconsistent power? I never really thought about bolstering power storage away from the center of the grid.
I think they might be more useful than LFP and certainly than lead-acid in that role. One of the biggest issues with consumer UPS units is that they recharge very slowly after an outage, so they're mostly only useful for infrequent power cuts. If Na-ion can recharge substantially faster, it would be more useful in areas with frequent interruptions.