[kilotaras]

i.e. the paper[0] states that first "discharging" produced 7.09kg of H2 out of 8.71 theoretically possible

the efficiency is super low, but again, according to the paper, "most of the energy input was due to thermal losses at the reactor surface (83.9%)", which also benefits from square/cube law.

[0] https://pubs.rsc.org/en/content/articlelanding/2024/se/d3se0...