公开(公告)号：KR1020140070227A

公开(公告)日：2014-06-10

申请号：KR1020120138461

申请日：2012-11-30

Applicant: 강원대학교산학협력단

Inventor： 이성만 ,  신민선

IPC: H01M4/13 ,  H01M4/38 ,  H01M4/48 ,  H01M4/583

CPC classification number: H01M4/362 ,  H01M4/134 ,  H01M4/137 ,  H01M4/386 ,  H01M4/587 ,  H01M4/622 ,  H01M10/0525 ,  Y02E60/122

Abstract: Provided are an anode active material for a lithium secondary battery, which includes porous coarse particles including multiple composite particles and pores between composite particles, wherein the composite particle includes silicon (Si)-based particles, carbon particulates and amorphous carbon, the amorphous carbon includes at least one selected from soft carbon and hard carbon, and the silicon-based particles and the carbon particulates are dispersed on the amorphous carbon; a manufacturing method thereof, and an anode and a lithium secondary battery including the same.

Abstract translation: 本发明提供一种锂二次电池用负极活性物质，其包含多孔复合粒子和复合粒子之间的微孔，其中复合粒子包含硅（Si）系粒子，碳粒子和无定形碳，无定形碳包括 选自软碳和硬碳中的至少一种，硅基颗粒和碳颗粒分散在无定形碳上; 其制造方法，以及包含该锂二次电池的阳极和锂二次电池。