The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 25, 2009
Filed:
Sep. 05, 2003
Applicant:
Toshio Nakagiri, Higashi-Ibaraki-gun, JP;
Inventor:
Toshio Nakagiri, Higashi-Ibaraki-gun, JP;
Assignee:
Japan Nuclear Cycle Development Institute, Ibaraki-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B 1/00 (2006.01);
U.S. Cl.
CPC ...
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.