Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Eliyaho Korin0
Armand Bettelheim0
Date of Patent
May 19, 2009
0Patent Application Number
104765100
Date Filed
May 2, 2002
0Patent Primary Examiner
Patent abstract
A cathode for a liquid fuel cell, which is covered with a film that is a liquid fuel barrier, but is permeable to oxygen, or for a direct methanol fuel cell, which is covered with a film that is a methanol barrier, but is permeable to oxygen. The fuel barrier may be made of the polymer of a macrocyclic compound having, in the same molecule, preferably three substituents that allow polymerization and crosslinking. The methanol barrier may be made of a polymerized porphyrin, wherein the porphyrin is chosen from among non-metallated and metallated porphyrins.
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