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Title: Solid oxide fuel cell with monolithic core

Abstract

A solid oxide fuel cell in which fuel and oxidant gases undergo an electrochemical reaction to produce an electrical output includes a monolithic core comprised of a corrugated conductive sheet disposed between upper and lower generally flat sheets. The corrugated sheet includes a plurality of spaced, parallel, elongated slots which form a series of closed, linear, first upper and second lower gas flow channels with the upper and lower sheets within which a fuel gas and an oxidant gas respectively flow. Facing ends of the fuel cell are generally V-shaped and provide for fuel and oxidant gas inlet and outlet flow, respectively, and include inlet and outlet gas flow channels which are continuous with the aforementioned upper fuel gas and lower oxidant gas flow channels. The upper and lower flat sheets and the intermediate corrugated sheet are preferably comprised of ceramic materials and are securely coupled together such as by assembly in the green state and sintering together during firing at high temperatures. A potential difference across the fuel cell, or across a stacked array of similar fuel cells, is generated when an oxidant gas such as air and a fuel such as hydrogen gas is directed through the fuelmore » cell at high temperatures, e.g., between 700 C and 1,100 C. 8 figs.« less

Inventors:
;
Publication Date:
OSTI Identifier:
7022392
Patent Number(s):
US 4761349; A
Application Number:
PPN: US 7-027929
Assignee:
Univ. of Chicago, Chicago, IL (United States) PTO; EDB-94-115730
DOE Contract Number:  
W-31109-ENG-38
Resource Type:
Patent
Resource Relation:
Patent File Date: 19 Mar 1987
Country of Publication:
United States
Language:
English
Subject:
30 DIRECT ENERGY CONVERSION; BATTERY SEPARATORS; DESIGN; FABRICATION; SOLID ELECTROLYTE FUEL CELLS; DUCTS; GAS FLOW; HYDROGEN FUEL CELLS; OPERATION; DIRECT ENERGY CONVERTERS; ELECTROCHEMICAL CELLS; FLUID FLOW; FUEL CELLS; 300503* - Fuel Cells- Materials, Components, & Auxiliaries

Citation Formats

McPheeters, C.C., and Mrazek, F.C. Solid oxide fuel cell with monolithic core. United States: N. p., 1988. Web.
McPheeters, C.C., & Mrazek, F.C. Solid oxide fuel cell with monolithic core. United States.
McPheeters, C.C., and Mrazek, F.C. Tue . "Solid oxide fuel cell with monolithic core". United States.
@article{osti_7022392,
title = {Solid oxide fuel cell with monolithic core},
author = {McPheeters, C.C. and Mrazek, F.C.},
abstractNote = {A solid oxide fuel cell in which fuel and oxidant gases undergo an electrochemical reaction to produce an electrical output includes a monolithic core comprised of a corrugated conductive sheet disposed between upper and lower generally flat sheets. The corrugated sheet includes a plurality of spaced, parallel, elongated slots which form a series of closed, linear, first upper and second lower gas flow channels with the upper and lower sheets within which a fuel gas and an oxidant gas respectively flow. Facing ends of the fuel cell are generally V-shaped and provide for fuel and oxidant gas inlet and outlet flow, respectively, and include inlet and outlet gas flow channels which are continuous with the aforementioned upper fuel gas and lower oxidant gas flow channels. The upper and lower flat sheets and the intermediate corrugated sheet are preferably comprised of ceramic materials and are securely coupled together such as by assembly in the green state and sintering together during firing at high temperatures. A potential difference across the fuel cell, or across a stacked array of similar fuel cells, is generated when an oxidant gas such as air and a fuel such as hydrogen gas is directed through the fuel cell at high temperatures, e.g., between 700 C and 1,100 C. 8 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1988},
month = {8}
}