The BIGGEST problem with clean energy

How about storing solar or wind electrical energy in "HydrOxygen" or "OHMASA Gas":
2H2 + O2 -> H4O2; it liquefies at -178 ºC and 1 atm, or at -120 ºC and 48 atm. It is better than Hydrogen as a fuel in automotive and jet engines.
Video: https://www.youtube.com/watch?v=NUPE0Z9V82E