H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/10 (2006.01) C25B 9/10 (2006.01) H01M 4/10 (2006.01) H01M 4/32 (2006.01) H01M 4/90 (2006.01) H01M 4/92 (2006.01)
Patent
CA 2203104
The present invention concerns a membrane-electrode composite comprising a membrane containing a polymer cation exchanger with carboxylic, phosphonic or sulphonic acid groups, the polymer cation exchanger being soluble in a solvent; metals in finely divided form, which catalyse the production of water from H2 and O2, are deposited on at least one side of the membrane. The metal- coated part of the membrane is porous but has no closed pores, and the metal can also be present in the pores.
L'invention concerne un composite membrane-électrode, comprenant une membrane renfermant un échangeur de cations polymère à groupes acide carboxylique, acide phosphonique ou acide sulfonique, qui est soluble dans un solvant, et sur au moins une face de laquelle on applique, sous forme finement divisée, des métaux catalysant la formation d'eau à partir de H¿2? et de O¿2?. La partie de la membrane recouverte de métal est poreuse, sans contenir toutefois des pores fermés, le métal pouvant être également présent dans lesdits pores.
Mertesdorf Petra
Schneller Arnold
Wagener Reinhard
Witteler Helmut
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
Pemeas Gmbh
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