Not this time. They are already being used. They are not super batterie though and won’t to replace Lithium batteries any time soon, but they have their niches.
The main advantage over Lithium batteries is that sodium is an abundant ressource.
English isn’t my first language, but can you even fix the prepositions to the verbs like that. Wouldn’t you have to define your frame of reference? I’d say it shifts with your perspective.
Example: I’m in Homeyland and there are migrants, who are emigrating from the Faraway Islands and immigrating to Homeyland.
When I’m in the Faraway Islands, I’d say the same people are emigrating to Homeyland. While Homeylanders coming here are immigrating from Homeyland.
A main issue, according to my non-software related work-life experience is also: liability reasons.
Being able to legally blame someone else when shit goes wrong is a very motivating driver for executive decisions.
Not the worst, they are still much better than traditional lead-batteries, but worse than lithium. Cheap, low-range EVs are an option however.
Other than that, you’re right. They are much more useful for grid storage, where energy density is way less important than cost.