NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

PROBLEM TO BE SOLVED: To provide a negative electrode material which can construct a lithium ion secondary battery excellent in both input/output characteristics and life characteristics.SOLUTION: The negative electrode material for a lithium ion secondary battery comprises: a carbon material A cont...

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Hauptverfasser: OGURA MANABU, OKABE KEIJI, YONEDA KOJI
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Sprache: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 OGURA MANABU
OKABE KEIJI
YONEDA KOJI
description PROBLEM TO BE SOLVED: To provide a negative electrode material which can construct a lithium ion secondary battery excellent in both input/output characteristics and life characteristics.SOLUTION: The negative electrode material for a lithium ion secondary battery comprises: a carbon material A containing agglomerated particles of flake graphite particles; and a carbon material B containing spherical graphite particles. The negative electrode material has the pore volume of 0.9-1.3 ml/g, the specific surface area of 4.0-6.0 m/g, and the tap density of 0.75-0.95 g/cm.
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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 MATERIAL FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY
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