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.

Date of Patent:
Oct. 16, 2007

Filed:

Jul. 02, 2004
Applicants:

Tony Wang, Shanghai, CN;

Chang Wei, Niskayuna, NY (US);

Inventors:

Tony Wang, Shanghai, CN;

Chang Wei, Niskayuna, NY (US);

Assignee:

General Electric Company, Niskayuna, NY (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/18 (2006.01); H01M 4/90 (2006.01); H01M 8/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A dual mode electrochemical system comprises a first electrode capable of storing hydrogen, a second electrode, a substantially electrically insulating and substantially ionically conducting membrane interposed therebetween and an electrolyte. In a first mode, upon introduction of water and electricity the dual mode electrochemical system electrolyzes the water in the presence of the electrolyte and produces hydrogen and oxygen across the membrane. The hydrogen is stored in the first electrode. In a second mode, upon introduction of an oxidant to the second electrode the dual mode electrochemical system produces water and electricity by reacting the stored hydrogen and the oxidant across the membrane.


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