Minor point of clarification: the article says "pure steam...has no ceiling temperature." Water vapor begins to decompose into oxygen and hydrogen around 2200C(

Minor point of clarification: the article says "pure steam...has no ceiling temperature." Water vapor begins to decompose into oxygen and hydrogen around 2200C(1). Probably well above the threshold of anything capable of generating electricity, but it does have a ceiling. http://en.wikipedia.org/wiki/Water_splitting#Thermal_decomposition_of_water http://en.wikipedia.org/wiki/Water_splitting#Thermal_decompo...