NEGATIVE ELECTRODE FOR SECONDARY BATTERY, SLURRY FOR NEGATIVE ELECTRODE, AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE

NEGATIVE ELECTRODE FOR SECONDARY BATTERY, SLURRY FOR NEGATIVE ELECTRODE, AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE

Provided are a negative electrode for a secondary battery having improved life characteristics, a negative electrode slurry and a method for manufacturing a negative electrode. The negative electrode for a secondary battery includes at least a graphite-based material and a silicon-based material, as...

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Hauptverfasser: MATSUBARA, Keiko, TAKAMUKU, Akira
Format: Patent
Sprache:eng ; fre ; ger
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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 MATSUBARA, Keiko
TAKAMUKU, Akira
description Provided are a negative electrode for a secondary battery having improved life characteristics, a negative electrode slurry and a method for manufacturing a negative electrode. The negative electrode for a secondary battery includes at least a graphite-based material and a silicon-based material, as a negative electrode active material, and a conductive material, wherein the graphite-based material includes a granulated product of artificial graphite with natural graphite, at least a part of natural graphite in the granulated product is exfoliated partially to form an exfoliated portion, and the exfoliated portion is in contact with the silicon-based material or another granulated product of artificial graphite with natural graphite, or forms a composite with the silicon-based material.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title NEGATIVE ELECTRODE FOR SECONDARY BATTERY, SLURRY FOR NEGATIVE ELECTRODE, AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE
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