I understand them not wanting to tip their hand but...
Where does the energy come from? If you're powering something you're taking energy out of a system. Water has readily available thermal energy but the chemical energy of free O/H2 is less than that needed to separate them in a water molecule.
If it comes from the proteins themselves, how is the high energy state recovered?
I just have so much skepticism in this age of venture gambling. Wealth is so concentrated now there are people who think nothing of throwing millions at a one in a million shot.
Get a laboratory result, incorporate, IPO, retire.
Cold fusion, anyone?