Electrode having macropores and micropores therein

Chemistry: electrical current producing apparatus – product – and – Having earth feature

Reexamination Certificate

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Details

C429S047000

Reexamination Certificate

active

07371481

ABSTRACT:
An electrode is disclosed. The electrode includes a substrate having macropores therein. A barrier support layer, established on the substrate, has micropores therein. The macropores and at least some of the micropores are substantially lined with an electrolyte layer. A catalyst is in ionic contact with the electrolyte layer. A current collector is in electrical contact with the catalyst. A barrier layer is established on the barrier support layer and is electrically isolated from the current collector.

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patent: 6641948 (2003-11-01), Ohlsen et al.
patent: 6720105 (2004-04-01), Ohlsen et al.
patent: 2002/0028372 (2002-03-01), Ohlsen et al.
patent: 2002/0048703 (2002-04-01), Ohlsen et al.
patent: 2002/0182479 (2002-12-01), Mallari et al.
patent: 2003/0044674 (2003-03-01), Mallari et al.
patent: 2003/0091878 (2003-05-01), Rosenfeld et al.
patent: 2004/0058217 (2004-03-01), Ohlsen et al.
Pu et al., “A Methanol Impermeable Proton Conducting Composite Electrolyte System”, J. Electrochem. Soc., 142 (7): 119-20 ; Jul. 1995.

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