Silver Gas Diffusion Electrode for Use in Air Containing Co2, and Method for the Production Thereof
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United States of America Patent
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Issued Date -
Nov 27, 2008
app pub date -
Jul 9, 2005
filing date -
Jul 19, 2004
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Abandoned
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Abstract
The invention relates to a method for the production of a gas diffusion electrode from a silver catalyst on a PTFE-substrate. The pore system of the silver catalyst is filled with a moistening filling agent. A dimensionally stable solid body having a particle size greater than the particle size of the silver catalyst is mixed with the silver catalyst. Said compression-stable mass is formed in a first calendar in order to form a homogenous catalyst band. In a second calendar, an electroconductive discharge material is embossed in the catalyst band, and heating takes places between the first and the second calendar by means of a heating device, wherein at least parts of the moistened filling agent are eliminated. The invention also relates to a gas diffusion electrode which is produced according to said method.
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