Method for producing gas diffusion electrodes

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United States of America Patent

PATENT NO 7226885
APP PUB NO 20040152588A1
SERIAL NO

10481775

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Abstract

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With the help of a method for production of a gaseous diffusion electrode from a silver catalyst on PTFE-substrate, it is endeavored to achieve results which can be reproduced, by avoiding the disadvantages of the state-of-the-art technology, whereby this is achieved in that the porous system of the silver catalyst is filled with a wetted fluid; a dimension-stable solid body with a grain size above that of the silver catalyst is mixed below the silver catalyst; the thus compression-stable mass is shaped into a homogenous catalyst band in a calender; and in a second calender step, an electrically conductive conductor material is imprinted into the catalyst band.

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Patent Owner(s)

Patent OwnerAddress
THYSSENKRUPP UHDE GMBHFRIEDRICH-UHDE-STRASSE 15 DORTMUND 4414

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beckmann, Roland Lunen, DE 39 218
Dresel, Torsten Hagen, DE 2 6
Dulle, Karl-Heinz Olfen, DE 10 28
Funck, Frank Mulheim, DE 12 37
Janowitz, Kosmas Dortmund, DE 2 6
Kiefer, Randolf Bochum, DE 18 49
Kohnke, Hans-Joachim Kassel, DE 8 67
Steinmetz, Thomas Dortmund, DE 4 13
Woltering, Peter Neuenkirchen, DE 30 73

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