公开(公告)号：US20160156031A1

公开(公告)日：2016-06-02

申请号：US14952052

申请日：2015-11-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sewon KIM ,  Jongseok MOON ,  Kyueun SHIM ,  Sungnim JO ,  Taehwan YU

IPC: H01M4/38

CPC classification number: H01M4/386 ,  C01B33/029 ,  C01B33/03 ,  C01P2004/50 ,  C01P2004/51 ,  C01P2004/60 ,  C01P2006/12 ,  C01P2006/16 ,  H01M10/0525 ,  H01M2004/027

Abstract: An anode active material for a lithium secondary battery including a silicon secondary particle, wherein the silicon secondary particle is an agglomerate of an amorphous silicon primary particle and a crystalline silicon primary particle, and wherein the silicon secondary particle includes open pores, a size of the open pores is in a range of about 1 nm to about 10 μm, and each of the open pores are connected.

Abstract translation: 1.一种锂二次电池用负极活性物质，其包含硅二次粒子，其中所述硅二次粒子是非晶硅一次粒子和结晶硅一次粒子的附聚物，并且其中所述硅二次粒子包括开放孔， 开孔在约1nm至约10μm的范围内，并且每个开孔连接。