NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
A negative electrode active material for a lithium secondary battery, including: first negative electrode active material particles including first artificial graphite particles and a carbon coating layer on a surface of the first artificial graphite particles, wherein the carbon coating layer compr...
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| creator | CHOI, Seung Youn CHOI, Hee Won LEE, Jae Wook KIM, Eun Kyung KIM, Je Young |
| description | A negative electrode active material for a lithium secondary battery, including: first negative electrode active material particles including first artificial graphite particles and a carbon coating layer on a surface of the first artificial graphite particles, wherein the carbon coating layer comprises hard carbon; and second negative electrode active material particles including second artificial graphite particles, wherein a difference between an average particle diameter D50 of the first negative electrode active material particles and an average particle diameter D50 of the second negative electrode active material particles is 5 µm or less, and a temperature at an exothermic peak in differential thermogravimetric analysis of the carbon coating layer is in a range of 580 °C to 690 °C. |
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| 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 |
| title | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME |
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