Fuel cell cathode testing device and method for using the same

Details Fuel cell cathode testing device and method for using the same Fuel cell cathode testing device and method for using the same

1997-08-04

1999-06-29

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

With measuring, testing, or indicating means

For charge or liquid level

429 13, 429 90, H01M 802, H01M 804

Patent

active

059167050

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.

REFERENCES:
patent: 3408270 (1968-10-01), Gentile
patent: 4019129 (1977-04-01), Rau
patent: 4919766 (1990-04-01), Kotowski et al.
patent: 4963244 (1990-10-01), Kotowski et al.

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