NEGATIVE ELECTRODE ACTIVE MATERIAL METHOD FOR MANUFACTURING THE SAME NEGATIVE ELECTRODE AND SECONDARY BATTERY COMPRISING THE SAME

The present invention relates to a negative electrode active material including natural graphite and having a D_90/D_10 ratio of 2.0 to 2.2, a tap density of 1.11 to 1.19 g/cm^3, and a BET specific surface area of 2.02 to 2.30 m^2/g. 본 발명은 천연흑연을 포함하며, D10에 대한 D90의 비율 D90/D10이 2.0 내지 2.2이고, 탭 밀도가 1.1...

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Bibliographic Details
Main Authors PIAO LILIN, WOO SANG WOOK
Format Patent
LanguageEnglish
Korean
Published 16.06.2021
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
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Summary:The present invention relates to a negative electrode active material including natural graphite and having a D_90/D_10 ratio of 2.0 to 2.2, a tap density of 1.11 to 1.19 g/cm^3, and a BET specific surface area of 2.02 to 2.30 m^2/g. 본 발명은 천연흑연을 포함하며, D10에 대한 D90의 비율 D90/D10이 2.0 내지 2.2이고, 탭 밀도가 1.11g/cm3 내지 1.19g/cm3이고, BET 비표면적이 2.02m2/g 내지 2.30m2/g인 음극 활물질에 관한 것이다.
Bibliography:Application Number: KR20200164637