High durability fuel cell components with cerium oxide additives
Patent
·
OSTI ID:1531844
A fuel cell membrane electrode assembly is provided comprising a polymer electrolyte membrane which comprises a highly fluorinated polymer electrolyte and at least one cerium oxide compound dispersed therein. In addition, a method of making a fuel cell polymer electrolyte membrane is provided comprising the steps of: a) providing a highly fluorinated polymer electrolyte comprising acidic functional groups; b) dispersing therein at least one cerium oxide in an amount so as to provide between 0.01 and 5 percent of the total weight of the polymer electrolyte membrane; and c) thereafter forming a polymer electrolyte membrane comprising said polymer electrolyte.
- Research Organization:
- 3M Innovative Properties Company, St. Paul, MN (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC36-02AL67621
- Assignee:
- 3M Innovative Properties Company (St. Paul, MN)
- Patent Number(s):
- 8,367,267
- Application Number:
- 11/261,053
- OSTI ID:
- 1531844
- Country of Publication:
- United States
- Language:
- English
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