Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2008-09-09
2008-09-09
Cantelmo, Gregg (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C324S439000
Reexamination Certificate
active
10990487
ABSTRACT:
There are provided measuring units of measuring the amount of fluoride ions in the waste material from a fuel cell which receives a fuel gas and an oxidizing agent gas containing oxygen to undergo electrochemical reaction by which electricity is generated and a life predicting unit of predicting the life of the fuel cell by the use of the amount of fluoride ions thus measured.
REFERENCES:
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M. Inaba et al.; “Formation of Hydrogen Peroxide at the Cathode in PEFC and Its Effects on the Stability of Nafion”;The 10th FCDIC Fuel Cell Symposium Proceedings; May 13-14, 2003, pp. 261-264; Tokyo, Japan.
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McElroy, J., et al., “SPE Hydrogen/Oxygen Fuel Cells Rigorous Naval Applications”, Proceedings of the International Power Sources Symposium. Cherry Hill, Jun. 25-28, 1990, pp. 403-407, vol. SYMP 34, IEEE, New York, USA.
Baldwin, R., et al., “Hydrogen-Oxygen Proton-Exchange Membrane Fuel Cells and Electrolyzers”, Journal of Power Sources, Feb. 1, 1990, pp. 399-412, vol. 29 No. 3/4, Elsevier Sequoia, Amsterdam, Netherlands.
Heitner-Wirguin, C., “Recent Advances in Perfluorinated Ionomer Membranes: Structure, Properties and Applications”, Journal of Membrane Science, Oct. 30, 1996, pp. 1-33, vol. 120 No. 1, Elsevier Scientific Publ. Company, Amsterdam, Netherlands.
Arisaka Shinichi
Kasahara Hideo
Sakai Osamu
Unoki Shigeyuki
Yasumoto Eiichi
Cantelmo Gregg
McDermott Will & Emery LLP
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