ELECTRODE ASSEMBLY AND METHOD FOR ITS PREPARATION

ELECTRODE ASSEMBLY AND METHOD FOR ITS PREPARATION

The invention provides electrodes suitable for use as air electrodes, processes for their preparation and metal/air cells utilizing such electrodes as air cathodes. The invention relates to an electrode comprising a catalytically active layer applied on one face of a hydrophobic porous film and a co...

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Hauptverfasser: FEINGOLD, OMRI, TZIDON, ORI, KOBRIN, IRINA, LANG, JOEL
Format: Patent
Sprache:eng ; fre
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator FEINGOLD, OMRI
TZIDON, ORI
KOBRIN, IRINA
LANG, JOEL
description The invention provides electrodes suitable for use as air electrodes, processes for their preparation and metal/air cells utilizing such electrodes as air cathodes. The invention relates to an electrode comprising a catalytically active layer applied on one face of a hydrophobic porous film and a conductive current collector pressed onto said catalytically active face, wherein at least a portion of the marginal area of said face is free from catalyst, and wherein a sealant is provided around at least part of the perimeter of said catalytically active layer, said sealant forming a coating onto the catalyst-free marginal area of said hydrophobic film.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title ELECTRODE ASSEMBLY AND METHOD FOR ITS PREPARATION
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