公开(公告)号：WO2009060603A1

公开(公告)日：2009-05-14

申请号：PCT/JP2008003195

申请日：2008-11-05

Applicant: PANASONIC CORP ,  HIRATSUKA HIDEKAZU ,  YAMAMOTO NORIHIRO ,  KAWATATE YUTAKA ,  FURUTA HIROAKI ,  NAKURA KENSUKE ,  YOSHIZAWA HIROSHI

Inventor： HIRATSUKA HIDEKAZU ,  YAMAMOTO NORIHIRO ,  KAWATATE YUTAKA ,  FURUTA HIROAKI ,  NAKURA KENSUKE ,  YOSHIZAWA HIROSHI

IPC: H01M4/02 ,  H01M4/36 ,  H01M4/50 ,  H01M4/505 ,  H01M4/52 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/36

CPC classification number: H01M4/505 ,  C01G53/50 ,  C01P2002/77 ,  C01P2004/03 ,  C01P2004/51 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/366 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/021 ,  Y02T10/7011

Abstract: Disclosed is a positive electrode active material for a non-aqueous electrolyte secondary battery, which comprises a lithium-containing transition metal oxide having an oxygen cubic close-packed structure, wherein the lithium-containing transition metal oxide has a chemical composition represented by formula (1). Li[Lip(NixMnyCoz)1-p]O2 wherein x, y and z represent the ratio among the elements nickel, manganese and cobalt, respectively; and x, y, z and p fulfill the requirements represented by the following formulae: 0.2+y=x=0.7, 0.15=y, 0.05=z, x+y+z=1 and 0=p=0.1.

Abstract translation: 公开了一种非水电解质二次电池用正极活性物质，其包含具有氧立方密堆积结构的含锂过渡金属氧化物，其中，所述含锂过渡金属氧化物具有由式（ 1）。 Li [Lip（NixMnyCoz）1-p] O 2其中x，y和z分别表示元素镍，锰和钴之间的比率; x，y，z和p满足以下公式表示的要求：0.2 + y = x = 0.7,0.15 = y，0.05 = z，x + y + z = 1，0 = p = 0.1。