NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

Provided are a negative electrode active material for a lithium secondary battery and a lithium secondary battery including the same. The negative electrode active material for a lithium secondary battery includes a composite of porous silicon and amorphous carbon and has a macropore with a size of...

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Bibliographic Details
Main Authors SHEEM KYEU YOON, LEE EUNJOO, KIM JAEWON, YU SOJEONG, KIM YONGSEOK, NAH JAEHOU, KIM HYEJIN, KIM JUNGJOON
Format Patent
LanguageEnglish
Korean
Published 27.06.2023
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:Provided are a negative electrode active material for a lithium secondary battery and a lithium secondary battery including the same. The negative electrode active material for a lithium secondary battery includes a composite of porous silicon and amorphous carbon and has a macropore with a size of 50 nm or more, and the porosity thereof is 15 to 40%. 리튬 이차 전지용 음극 활물질 및 이를 포함하는 리튬 이차 전지를 제공하며, 상기 리튬 이차 전지용 음극 활물질은 다공성 실리콘과 비정질 탄소의 복합체를 포함하며, 크기가 50nm 이상인 매크로포어를 갖고, 기공율이 15% 내지 40%이다.
Bibliography:Application Number: KR20210183120