US2007231466A1PendingUtilityA1

Method for Catalytic Surface Protection

Assignee: MIDWEST RESEARCH INSTPriority: Aug 19, 2005Filed: May 23, 2007Published: Oct 4, 2007

Est. expiryAug 19, 2025(expired)· nominal 20-yr term from priority

Inventors:Ping Liu J. Roland Pitts Se-Hee Lee C. Edwin Tracy

H01M 4/96H01M 2004/8684H01M 4/8867H01M 4/92G01N 33/005G01N 31/22H01M 4/8657Y02E60/50Y10T436/22

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Abstract

A method for protecting catalytic metal-based sensor for sensing the presence of hydrogen in an environment comprising, depositing a protective layer on said sensor, said protective layer being permeable to hydrogen.

Claims

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1 . A method for protecting a catalytic metal-based sensor for sensing the presence of hydrogen in an environment comprising depositing a protective layer on said sensor, said protective layer being permeable to hydrogen.  
     
     
         2 . The method as defined by  claim 1 , wherein said protective layer is deposited at room temperature.  
     
     
         3 . The method as defined by  claim 1 , wherein said protective material is a carbon material.  
     
     
         4 . The method as defined by  claim 3 , wherein said carbon material is amorphous.  
     
     
         5 . The method as defined by  claim 1 , wherein said protective layer is deposited using a vapor deposition process.  
     
     
         6 . The method as defined by  claim 5 , wherein said deposition process is plasma enhanced chemical vapor deposition process.

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