For every electron entering a hydrogen cell another leaves. So the total amount of electrons used is ...?
You are NOT creating electrons to add to a water molicule; you are using Voltage and Current flow to overcome the Electronegativity of the O atom.
If you did have to add electrons to a water molicule to get it to split into H & O you would only need one wirw going into the cell.
You would also not be able to do so using heat alone.
http://en.wikipedia.org/wiki/ThermolysisThe conventional way to split water is by adding energy in the form of electrical power, (= VxA) or Heat.
Or a combination of the two.
The reason you and I are here is because we want to find an alternative way of doing so.
One that requires either much less energy input, or uses free energy.
The methods being tried are:
Getting the molicule to resonate at some frequency of the molicule or H or O atom or something.
Free energy devices that supply the energy, usually electrical?, to do so in a conventional manner.
Catalysts, that by definition, speed up reactions while not being consumed in the reaction themselves.
Using other properties of either Monatomic and/or Diatomic H and its changing between the two states.
Adding electrons to an atom or molicule simply gives you a negativly charged ion of the same atom or molicule.