Title:
非水電解液2次電池用正極活物質、その製造方法、非水電解液2次電池、並びに正極の製造方法
Document Type and Number:
Japanese Patent JP5079951
Kind Code:
B2
Abstract:
A nonaqueous electrolyte secondary battery−use active matter capable of effectively improving load characteristics in a nonaqueous electrolyte secondary battery and being increased in capacity, and being high in pack efficiency and large in pack density; and a production method therefor; wherein the anode active matter consists of complex oxide particles containing Li and at least one kind of transition element selected from a group consisting of Co, Ni, Mn and Fe, and the complex oxide particles contain at least 90% of spherical and/or ellipsoidal particles having a ratio D1/D2 that ranges from 1.0 to 2.0 when the longest diameter is D1 and the shortest diameter D2.
Inventors:
Satoshi Fujiwara
Shigeru Ono
Muroto Tadatoshi
Shigeru Ono
Muroto Tadatoshi
Application Number:
JP2001195157A
Publication Date:
November 21, 2012
Filing Date:
June 27, 2001
Export Citation:
Assignee:
Santoku Co., Ltd.
International Classes:
H01M4/525; H01M10/05; H01M4/02; H01M4/04; H01M4/36; H01M4/505
Domestic Patent References:
| JP11246225A | ||||
| JP11135119A | ||||
| JP10001316A | ||||
| JP9251854A | ||||
| JP6290780A | ||||
| JP2000215895A | ||||
| JP2000182618A | ||||
| JP2000082466A |
Attorney, Agent or Firm:
Hajime Sakai
Masahiro Kurai
Masahiro Kurai