| 摘要 |
<p>A method for producing hydrogen from water is provided. The hydrogen production process includes splitting water into hydrogen and oxygen, wherein the process includes decomposing sulfuric acid into water, sulfur dioxide and oxygen through a reaction of formula (X1) by using solar thermal energy, wherein at least a part of the elementary reaction of formula (X1-1) is performed using thermal solar energy, and at least a part of the elementary reaction of formula (X1-2) is performed using additional thermal energy other than solar thermal energy, and wherein the heating temperature by the additional thermal energy is higher by 10° C. or more than the heating temperature by the solar thermal energy, and at least a part of the additional thermal energy is generated in a reaction vessel: (X1) H2SO4→H2O+SO2+1/2O2, (X1-1) H2SO4→H2O+SO3, and (X1-2) SO3→SO2+1/2O2.</p> |
