METHOD AND SYSTEM FOR PROTECTING FUEL CELL

WIPO Patent Application WO/2011/118612

A1

Disclosed is a sensor cell for protecting a fuel cell in which hydrogen is used as a fuel. With the sensor cell, all of various impurities which are contained in the fuel hydrogen and in an oxidant gas and cause a deterioration in performance of the fuel cell are monitored by means of one sensor to protect the fuel cell. The sensor cell, which is for use in a system for protecting a fuel cell, comprises an impurity monitoring sensor that has been disposed on the upstream side of the fuel cell and is constituted of a hydrogen pump cell which is more sensitive to impurities contained in the fuel hydrogen than the fuel cell. The sensor cell is characterized in that an impurity is detected on the basis of a change in the hydrogen electrolysis reaction occurring at the anode and in the hydrogen generation reaction occurring at the cathode.

YASUDA ISAMU (JP)
SEO ATSUKO (JP)
NAKAZATO NAOTO (JP)
GOMI YASUSHIRO (JP)
SHINKAI HIDETOSHI (JP)
TOYODA YASUHIRO (JP)
ARIURA SEIJI (JP)
SASAKI KAZUNARI (JP)
NODA SHIUN (JP)

PCT/JP2011/056933

September 29, 2011

March 23, 2011

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TOKYO GAS CO LTD (JP)
SAIBU GAS CO (JP)
UNIV KYUSHU NAT UNIV CORP (JP)
YASUDA ISAMU (JP)
SEO ATSUKO (JP)
NAKAZATO NAOTO (JP)
GOMI YASUSHIRO (JP)
SHINKAI HIDETOSHI (JP)
TOYODA YASUHIRO (JP)
ARIURA SEIJI (JP)
SASAKI KAZUNARI (JP)
NODA SHIUN (JP)

H01M8/04; H01M8/10

JP2009522722A	2009-06-11
JP2008243430A	2008-10-09
JP2004219405A	2004-08-05
JPH10170477A	1998-06-26
JPH102878A	1998-01-06
JPH0921782A	1997-01-21

KAMO, Hirokuni (JP)
Hirokuni Kamo (JP)

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