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Title: Method of low temperature operation of an electrochemical cell array

In the method of operating an electrochemical cell generator apparatus containing a generator chamber (20) containing an array of cells (12) having interior and exterior electrodes with solid electrolyte between the electrodes, where a hot gas (F) contacts the outside of the cells (12) and the generating chamber normally operates at over 850.degree. C., where N.sub.2 gas is fed to contact the interior electrode of the cells (12) in any case when the generating chamber (20) temperature drops for whatever reason to within the range of from 550.degree. C. to 800.degree. C., to eliminate cracking within the cells (12).
Inventors:
 [1];  [2];  [3]
  1. (Export, PA)
  2. (Churchill Boro, PA)
  3. (Delmont, PA)
Issue Date:
OSTI Identifier:
869256
Assignee:
Westinghouse Electric Corp. (Pittsburgh, PA) NETL
Patent Number(s):
US 5306574
Contract Number:
AC21-80ET17089
Research Org:
WESTINGHOUSE ELECTRIC CORP
Country of Publication:
United States
Language:
English
Subject:
method; temperature; operation; electrochemical; cell; array; operating; generator; apparatus; containing; chamber; 20; cells; 12; interior; exterior; electrodes; solid; electrolyte; hot; gas; contacts; outside; generating; normally; operates; 850; degree; fed; contact; electrode; drops; whatever; reason; range; 550; 800; eliminate; cracking; interior electrode; temperature operation; generator chamber; cell generator; electrochemical cell; solid electrolyte; hot gas; cell array; exterior electrode; generator apparatus; apparatus containing; temperature drop; /429/