公开(公告)号：US20130344386A1

公开(公告)日：2013-12-26

申请号：US13761449

申请日：2013-02-07

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Do-Yu KIM ,  Jin-Hyoung SEO ,  Mi-Ran SONG ,  Yong-Chul PARK ,  Gyeong-Jae HEO ,  Hyun-Deok LEE ,  Yong-Seon KIM ,  Min-Ju KIM ,  Na-Leum YOO

IPC: H01M4/525 ,  H01M4/131

CPC classification number: H01M4/525 ,  C01G53/006 ,  C01G53/50 ,  C01G53/66 ,  C01P2002/52 ,  C01P2004/03 ,  C01P2004/62 ,  C01P2004/64 ,  H01M4/131

Abstract: A positive active material for a lithium secondary battery is a compound represented by Formula 1 and is in a form of primary particles having a particle diameter in a range of 80 to 400 nm. Formula 1: LiaNixCoyMnzM1-x-y-zO2, wherein metal M is selected from the group of B, Cr, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, and W, 1.0≦a≦1.2, 0.9≦x≦0.95, 0.1≦y≦0.5, 0.0≦z≦0.7, and 0.0

Abstract translation: 锂二次电池用正极活性物质是由式1表示的化合物，其粒径为80〜400nm的一次粒子的形式。 式1：LiaNixCoyMnzM1-xy-zO2，其中金属M选自B，Cr，V，Ti，Fe，Zr，Zn，Si，Y，Nb，Ga，Sn，Mo和W，1.0@a @ 1.2，0.9 @ x @ 0.95,0.1 @ y @ 0.5,0.0 @ z @ 0.7和0.0 <1-xyz@0.3。