NEGATIVE-ELECTRODE MATERIAL FOR LITHIUM-ION SECONDARY CELL, METHOD FOR MANUFACTURING SAME, NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY CELL, AND LITHIUM-ION SECONDARY CELL

NEGATIVE-ELECTRODE MATERIAL FOR LITHIUM-ION SECONDARY CELL, METHOD FOR MANUFACTURING SAME, NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY CELL, AND LITHIUM-ION SECONDARY CELL

A negative electrode material for a lithium-ion secondary battery includes composite particles, each of the composite particles having a structure in which plural flat graphite particles are stacked, wherein the composite particles have a particle size distribution D90/D10 of from 2.0 to 5.0, or whe...

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Bibliographische Detailangaben
Hauptverfasser: TSUCHIYA, Hideyuki, SUGA, Keita, TOKUDA, Yoshiyuki
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
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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Zusammenfassung:A negative electrode material for a lithium-ion secondary battery includes composite particles, each of the composite particles having a structure in which plural flat graphite particles are stacked, wherein the composite particles have a particle size distribution D90/D10 of from 2.0 to 5.0, or wherein the plural flat graphite particles have a particle size distribution D90/D10 of from 2.0 to 4.4.