PARTICLES COATED WITH AN ORGANICALLY MODIFIED (HETERO)SILICIC ACID POLYCONDENSATE AND CONTAINING A METAL CORE SUITED FOR STORING HYDROGEN, BATTERIES PRODUCED THEREWITH, AND METHOD FOR THE PRODUCTION THEREOF USING THE PARTICLES

PARTICLES COATED WITH AN ORGANICALLY MODIFIED (HETERO)SILICIC ACID POLYCONDENSATE AND CONTAINING A METAL CORE SUITED FOR STORING HYDROGEN, BATTERIES PRODUCED THEREWITH, AND METHOD FOR THE PRODUCTION THEREOF USING THE PARTICLES

The present invention relates to particles, which are suited as electrode material for the negative electrode of a battery functioning according to the principle of nickel-metal hydride batteries. In order to increase the power density of such batteries, it is desirable to use relatively small parti...

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Hauptverfasser: POPALL, MICHAEL, COCHET, SÉBASTIEN, OLSOWSKI, BIRKE-ELISABETH
Format: Patent
Sprache:eng ; fre ; ger
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BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS THEREOF
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator POPALL, MICHAEL
COCHET, SÉBASTIEN
OLSOWSKI, BIRKE-ELISABETH
description The present invention relates to particles, which are suited as electrode material for the negative electrode of a battery functioning according to the principle of nickel-metal hydride batteries. In order to increase the power density of such batteries, it is desirable to use relatively small particles for the electrode material. However, said particles are sensitive to air and frequently highly flammable. The invention therefore proposes to provide said particles with a coating made of an organically modified (hetero) silicic acid polycondensate. In the presence of the KOH electrolyte solution, said coating converts during operation into a gel electrolyte, which not only does not impede the passage of the ions necessary for the activity of the battery, but even facilitates it.
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subjects BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS THEREOF
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title PARTICLES COATED WITH AN ORGANICALLY MODIFIED (HETERO)SILICIC ACID POLYCONDENSATE AND CONTAINING A METAL CORE SUITED FOR STORING HYDROGEN, BATTERIES PRODUCED THEREWITH, AND METHOD FOR THE PRODUCTION THEREOF USING THE PARTICLES
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