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Fuel cell-fuel cell hybrid system

United States Patent

September 23, 2003
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
A device for converting chemical energy to electricity is provided, the device comprising a high temperature fuel cell with the ability for partially oxidizing and completely reforming fuel, and a low temperature fuel cell juxtaposed to said high temperature fuel cell so as to utilize remaining reformed fuel from the high temperature fuel cell. Also provided is a method for producing electricity comprising directing fuel to a first fuel cell, completely oxidizing a first portion of the fuel and partially oxidizing a second portion of the fuel, directing the second fuel portion to a second fuel cell, allowing the first fuel cell to utilize the first portion of the fuel to produce electricity; and allowing the second fuel cell to utilize the second portion of the fuel to produce electricity.
Geisbrecht; Rodney A. (New Alexandria, PA), Williams; Mark C. (Morgantown, WV)
The United States of America as represented by the Department of Energy (Washington, DC)
09/ 865,425
May 29, 2001
CONTRACTUAL ORIGIN OF THE INVENTION The U.S. Government has rights in this invention pursuant to employer-employee relationship of the U.S. Government to the inventors as U.S. Department of Energy employees at the National Energy Technology Laboratory.