Yes it is interesting but they will always be limited unfortunately.
Even assuming huge advances in battery technology, with batteries that are 30 times more efficient and "energy-dense" than they are today, it would only be possible to fly an A320 airliner for a fifth of its range with just half of its payload, says Airbus's chief technology officer Grazia Vittadini.Maybe the future for larger aircraft lies in the use of a small Thorium generator.