Cheap source of energy: Cell splits water via sunlight to produce hydrogen
It has often been argued that hydrogen-based power could not be economical, due to the fact that the amount of energy required to produce unbound hydrogen was greater than the energy to be obtained by using unbound hydrogen as a fuel. The problem with that argument is that there was no proof that the situation was anything other than a transient technological limitation. For all anyone knew, a net-positive-energy pathway for using hydrogen as fuel might be discovered at any time. And that's just what Physorg.com now reports has in fact happened:
Cheap source of energy: Cell splits water via sunlight to produce hydrogen from PhysOrg.com
Engineers at Washington University in St. Louis have developed a unique photocatalytic cell that splits water to produce hydrogen and oxygen in water using sunlight and the power of a nanostructured catalyst.
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