I've been sort of following the development of various electric car battery options, and from what I've gathered the so called solid state battery looks like a far better option than the present Lithium battery in terms of charging time, performance, lifespan, and mileage/charge. The issue right now is the cost of producing one but that should come down with mass manufacturing. However it'll need to come down to a range that most ordinary people can afford and that might be a long way off.
I've owned an '08 Ford Escape Hybrid for 11 years now and it's been a great car with minimal issues. Have ~ 108K miles on it at present. However, right now the Lithium battery is not charging like it once did and thus gives me much poorer mileage. Replacing the battery is not an option as I was recently quoted ~$12K including labor and tax. Blue Book on the car is probably $5K so that's not an option.
Since it still drives fine on gas alone I can live with the poorer mileage for the time being as I only fill my tank once/mo or less since I've retired. If and when the electric options start to become more affordable for someone like me living on a fixed SS income I'll consider it.
Cheers,
RR