4 ms·
https://www.sciencedirect.com/science/article/pii/S266638642200056X?via%3Dihub https://www.sciencedirect.com/science/article/pii/S266638642...: “The generator
by Someone 4y ago
https://www.sciencedirect.com/science/article/pii/S266638642200056X?via%3Dihub https://www.sciencedirect.com/science/article/pii/S266638642...:
“The generator can produce, as a proof of concept, a power output of up to 0.1 nW (power output per unit volume up to 1.3 W/m⁻³)”
⇒ more research is needed.
I couldn’t find how much energy this can store per m³ or per kg. Both might be large, but I doubt it.