NEGATIVE ACTIVE MATERIAL AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

NEGATIVE ACTIVE MATERIAL AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

A negative active material for a rechargeable lithium battery and a rechargeable lithium battery are provided and the negative active material including a porous silicon-carbon composite including silicon, carbon, and magnesium silicate (MgSiO3) and having a diffraction peak intensity ratio IMgSiO3(...

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Hauptverfasser: KIM, Yongseok, SHEEM, Kyeu Yoon, NAH, Jaehou, KIM, Jaewon, LEE, Eunjoo
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 KIM, Yongseok
SHEEM, Kyeu Yoon
NAH, Jaehou
KIM, Jaewon
LEE, Eunjoo
description A negative active material for a rechargeable lithium battery and a rechargeable lithium battery are provided and the negative active material including a porous silicon-carbon composite including silicon, carbon, and magnesium silicate (MgSiO3) and having a diffraction peak intensity ratio IMgSiO3(610)/ISi(111) of 0.001 < IMgSiO3(610)/ISi(111) < 0.01, which is a ratio of a diffraction peak intensity IMgSiO3(610) by MgSiO3 at 2θ = 30° to 32° to a diffraction peak intensity ISi(111) by Si(111) detected at 2θ = 27.5° to 29.5° in an X-ray diffraction analysis.
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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 ACTIVE MATERIAL AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
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