FUEL 174 |
| Fluorinated superacid ionomers are widely used in PEM fuel cell technology. Most current materials are based on fluoroalkylsulfonic acids, however alternate approaches have been shown to provide materials with attractive properties including high ionic conductivity, excellent thermal stability, and excellent mechanical properties. This presentation will discuss recent results on synthesis and characterization of fluorinated ionomers that include fluorosulfonimide and fluorophosphonic acidic functionalities. Approaches involving blending of fluorosulfonimide ionomers of differing equivalent weights will be discussed, as will approaches toward synthesizing fluoroalkylphosphonic acid polymer electrolytes which have not previously been synthesized. |
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Fuel Cell Chemistry and Operation
1:35 PM-4:30 PM, Tuesday, 12 September 2006 Palace -- Gold Ballroom, Oral
Division of Fuel Chemistry |