Method for producing hydrogen by chemical process using heat with electricity
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United States of America Patent
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Aug 25, 2009
Grant Date -
Apr 14, 2005
app pub date -
Sep 5, 2003
filing date -
Jan 30, 2003
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Abstract
There is provided a method for thermochemically producing hydrogen from water by using sulfuric acid as a kind of reactant, combining a plurality of chemical reactions inclusive of sulfuric acid decomposition reaction and circulating reactants. The sulfuric acid decomposition reaction is carried out at a temperature of 600° C. or less by electrolysis using a partition wall of oxygen ion-permeable solid electrolyte and oxygen is separated simultaneously with the electrolysis to thereby carry out the method for producing hydrogen by chemical process using heat with electricity.
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