Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Fuel cell with solid electrolyte
Reexamination Certificate
2010-08-30
2011-10-04
Gilliam, Barbara L. (Department: 1727)
Chemistry: electrical current producing apparatus, product, and
Fuel cell, subcombination thereof, or method of making or...
Fuel cell with solid electrolyte
C429S491000, C429S535000, C429S495000
Reexamination Certificate
active
08029941
ABSTRACT:
A proton-conducting structure that exhibits favorable proton conductivity in the temperature range of not lower than 100° C., and a method for manufacturing the same are provided. After a pyrophosphate salt containing Sn, Zr, Ti or Si is mixed with phosphoric acid, the mixture is maintained at a temperature of not less than 80° C. and not more than 150° C., and thereafter maintained at a temperature of not less than 200° C. and not more than 400° C. to manufacture a proton-conducting structure. The proton-conducting structure of the present invention has a core made of tin pyrophosphate, and a coating layer formed on the surface of the core, the coating layer containing Sn and O, and having a coordination number of O with respect to Sn of greater than 6.
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Komori Tomoyuki
Otsuka Takashi
Suzuki Tomoko
Zenitani Yuji
Gilliam Barbara L.
Martin Angela J.
McDermott Will & Emery LLP
Panasonic Corporation
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