Method of manufacturing electrodes for chemical current sources

Details Method of manufacturing electrodes for chemical current sources Method of manufacturing electrodes for chemical current sources

H - Electricity

01

M

H01M 4/52 (2006.01)

Patent

CA 2202384

The invention relates to electrical engineering and can find application for making fibrous polymer metal-coating bases of electrodes for chemical sources of electric energy. The invention has for its object to replace palladium and tin used in operations preceding chemical coating of the polymer fibrous material with a metal, with less critical materials. The object is accomplished by using a cation-exchange material having a canon- exchange capacity of 0.5-6 mg-eq/g, and metal coating is preceded by saturating the polymer material with nickel ions, followed by treating it with an aqueous solution of boron hydride of an alkali metal.

Cette invention se rapporte au domaine de l'électrotechnique et peut être utilisée dans la fabrication de bases métallisées polymères et fibreuses d'électrodes qui sont destinées à des sources de courant chimiques. Cette invention a pour but de remplacer le palladium et l'étain, lors d'opérations précédant la métallisation chimique du matériau fibreux polymère, par des matériaux moins rares. A cette fin, on utilise en qualité de matériau fibreux un matériau à échange de cations ayant une capacité d'échange de cations de 0,5-6 mg equ./g. Avant la métallisation, le matériau polymère est saturé en ions nickel, puis traité à l'aide d'une solution aqueuse d'hydrure de bore d'un métal alcalin.

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