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Elektrodenmembran-Verbund, Verfahren zu dessen Herstellung sowie dessen Verwendung

Electrode-diaphragm composite, process for its production and its application

Frontpage ()

DE 1992-4241150 A: 19921207
DE 1992-4241150 A: 19921207
EP 1994-900759 AW: 19931202
WO 1993-DE1162 W: 19931202
DE 4241150 C1: 19940601
EP 672305 B1: 19970521
Patent, Electronic Publication
Fraunhofer ISE ()

The invention relates to electrode diaphragms consisting of an ion exchange material forming a core area and electrodes for fuel cells or electrolyzers contacting said material on both sides, whereby the ion exchange material is formed of soluble homopolymers or copolymers or mixtures of them in solvents. The polymer must have at least a residue which can be dissociated into ions. The electrode material is bonded to the ion exchange material on both sides of the core area so that there is an intimate contact between the electrode and ion exchange materials on the diaphragm side and the external sides are made of pure electrode material.