| 发明名称 |
POROUS SILICON BASED PARTICLES, METHOD FOR PREPARING SAME AND ANODE ACTIVE MATERIAL COMPRISING SAME |
| 摘要 |
Provided are a porous silicon-based particle including a silicon (Si) or SiO x (0<x<2) particle, wherein the particle includes a plurality of nonlinear pores, and the nonlinear pores are formed as open pores in a surface of the particle, and a method of preparing the porous silicon-based particles. Porous silicon-based particles according to an embodiment of the present invention may be more easily dispersed in an anode active material slurry, may minimize side reactions with an electrolyte, and may reduce volume expansion during charge and discharge. Also, according to an embodiment of the present invention, the shape, form, and size of pores formed in the porous silicon-based particle may be controlled by adjusting the type of a metal catalyst, the concentration of the catalyst, and etching time. |
| 申请公布号 |
EP2873646(A4) |
申请公布日期 |
2015.10.14 |
| 申请号 |
EP20140814680 |
申请日期 |
2014.08.29 |
| 申请人 |
LG CHEM, LTD.;SJ MATERIALS CO., LTD |
发明人 |
YOO, JUNG WOO;LEE, MI RIM;LEE, YONG JU;KIM, EUN KYUNG;LEE, HAN HO;YOON, JI HYUN;BANG, BYOUNG MAN;LEE, CHANG RAE;JEONG, IL KYO;LEE, MI KYEONG |
| 分类号 |
C01B33/113;C01B33/02;H01M4/134;H01M4/36;H01M4/38;H01M4/48;H01M4/62;H01M10/052 |
主分类号 |
C01B33/113 |
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