Citizen Develops New Hydrogen Sensor for Monitoring Fuel Cells

Fuel Cells Today, March 1, 2006

Citizen Watch Company, Ltd. recently announced its development of a catalytic-combustion-type hydrogen sensor that can be used to monitor fuel cells and detect hydrogen leaks.

According to Citizen, the new product has a unique coiled coil construction in which a double-helix spring structure is employed for the heat coil, helping improve its resistance to vibration and impact. Citizen also noted that the sensor has a service life of 10 years, which is double that of conventional products, while its response time is approximately two to three seconds.

"In addition, the adoption of an all-ceramic casing for the sensor has approximately doubled the heat resistance compared with older products, which use plastics for casing," said Citizen. "Moreover, the use of porous ceramic for the casing, which allows permeation of hydrogen, prevents the infiltration of substances that reduce catalyst activity, such as oil and water."

Citizen will commence sample shipment of the new product in December and aims to complete a mass production line capable of producing 10,000 units per month in FY 07.

Contact: Citizen, website http://www.citizen.co.jp/english.> (EIN STAFF: 2/2)

COPYRIGHT 2006 EIN Publishing, Inc.
COPYRIGHT 2006 Gale Group

 

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