NEGATIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PREPARING METHOD FOR THE SAME AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

The present disclosure is directed to a negative electrode active material for lithium secondary batteries, to a method for preparing the same, and to a lithium secondary battery including the same, the negative electrode active material including a porous core in which scaly silicon fragments are c...

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Bibliographic Details
Main Authors SHIM, Hyeonwoo, KWON, Seman, HONG, Soonho
Format Patent
LanguageEnglish
French
German
Published 08.12.2021
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:The present disclosure is directed to a negative electrode active material for lithium secondary batteries, to a method for preparing the same, and to a lithium secondary battery including the same, the negative electrode active material including a porous core in which scaly silicon fragments are connected in an entangled manner; and a shell layer covering the core, where the shell layer includes a carbon-based material and silicon.
Bibliography:Application Number: EP20210177717