Process for producing thick electrode films for secondary alkaline ion energy storage devices

Process for producing thick electrode films for secondary alkaline ion energy storage devices

The present invention relates to a process for preparing thick electrode films having a thickness of greater than or equal to 100 [mu]m and less than or equal to 600 [mu]m for secondary alkaline ion energy storage devices, the process comprising the steps of: (a) preparing a dispersion comprising at...

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Hauptverfasser: FISCHER, CLAUDIA, KUBITSCHKE, JENS
Format: Patent
Sprache:chi ; eng
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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 FISCHER, CLAUDIA
KUBITSCHKE, JENS
description The present invention relates to a process for preparing thick electrode films having a thickness of greater than or equal to 100 [mu]m and less than or equal to 600 [mu]m for secondary alkaline ion energy storage devices, the process comprising the steps of: (a) preparing a dispersion comprising at least one solvent and solids having a total solids content of the dispersion of greater than or equal to 40 wt.% and less than or equal to 80 wt.%, wherein the solids comprise active material, one or more conductivity additives, and one or more binders, and mixing butanediol into the dispersion in a concentration of greater than or equal to 2 % by weight and less than or equal to 10 % by weight based on the total weight; (b) applying the dispersion in a layer thickness of greater than or equal to 200 [mu]m and less than or equal to 1200 [mu]m; and (c) drying the applied dispersion to obtain an electrode film. Furthermore, the present invention relates to the use of the process according to the invention for the pr
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Process for producing thick electrode films for secondary alkaline ion energy storage devices
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