Fuel cell cathode testing device and method for using the same
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United States of America Patent
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Jun 29, 1999
Grant Date -
N/A
app pub date -
Aug 4, 1997
filing date -
Aug 4, 1997
priority date (Note) -
Expired
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Abstract
An apparatus for testing the electrochemical performance of discrete areas of a cathode that is to be used in a fuel cell is presented. The apparatus tests a cathode which is retained and carried by a holding fixture wherein a chamber is formed between an underside of the cathode and the holding fixture to allow for passage of an oxidizing agent therethrough and wherein the holding fixture also provides for retention of electrolyte on the top side of the cathode. A probe, which is connected to the cathode, has an anode material that contacts the electrolyte but is spaced apart from the cathode. Placement of the anode in the electrolyte generates electrical power detected by a measuring device connected between the probe and the cathode. The probe provides a sealing surface to allow for testing of just discrete areas of the cathode to determine if there are any flaws in the manufacture of the cathode.
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