Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2008-03-25
2008-03-25
Crepeau, Jonathan (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S047000, C521S025000, C521S027000
Reexamination Certificate
active
10849182
ABSTRACT:
A membrane-electrode assembly for direct methanol type fuel cell and a proton conductive membrane for direct methanol type fuel cell are disclosed. The membrane-electrode assembly comprises a negative electrode and a positive electrode assembled via a proton conductive membrane, the negative electrode being provided with a negative electrode-side separator having a mechanism for feeding a methanol aqueous solution as a fuel, the positive electrode being provided with a positive electrode-side separator having a mechanism for feeding an oxidizing agent gas, and the proton conductive membrane comprising a polymer containing 0.05-99.95 mol % of a repeating constitutional unit represented by the formula (A), and 0.05-99.95 mol % of a repeating constitutional unit represented by the formula (B).
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Goto Kohei
Okada Takashi
Chuo Tony
Crepeau Jonathan
JSR Corporation
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