Gas diffusion electrodes, membrane-electrode assemblies and...

Details Gas diffusion electrodes, membrane-electrode assemblies and... Gas diffusion electrodes, membrane-electrode assemblies and...

2005-10-12

2009-10-13

Bell, Bruce F (Department: 1795)

Single-crystal, oriented-crystal, and epitaxy growth processes;

Forming from vapor or gaseous state

With decomposition of a precursor

C117S097000, C117S103000, C117S108000, C427S115000, C427S497000, C427S523000, C427S564000, C429S047000, C429S047000, C429S047000, C204S283000, C204S284000, C204S290140, C502S101000, C029S623100

Reexamination Certificate

active

07601216

ABSTRACT:
A method for forming a patterned noble metal coating on a gas diffusion medium substantially free of ionomeric components comprising subjecting an electrically conductive web with a patterned mask overlaid thereto to a first ion beam having an energy not higher than 500 eV, and to a second beam having an energy of at least 500 eV, containing the ions of at least one noble metal and a gas diffusion electrode.

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patent: 0 860 888 (1998-08-01), None
patent: WO 2005/124905 (2005-12-01), None

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