Thermochemical hydrogen production: past and present

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Abstract

The processes for hydrogen production discussed in this paper are those for which water is the only material input and hydrogen and oxygen are the only material outputs:H2O+XXO+H2XOX+1/2O2—————————————−H2OH2+1/2O2

Furthermore, the required energy inputs are meant to be mainly heat (rather than useful work, such as electricity). As shown above, these processes may be visualized as a set of chemical reactions which sum the decomposition of water.

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