公开(公告)号：US20140370390A1

公开(公告)日：2014-12-18

申请号：US14472519

申请日：2014-08-29

Applicant: L&F Material Co., Ltd.

Inventor： Su An Choi ,  Seung Won Lee ,  Sang-Hoon Jeon

IPC: H01M4/36 ,  H01M4/1315 ,  H01M4/50 ,  C01G53/00 ,  H01M4/525 ,  H01M4/52 ,  H01M4/58 ,  H01M4/136 ,  H01M4/505

CPC classification number: H01M4/364 ,  C01G53/50 ,  C01P2002/52 ,  C01P2004/03 ,  C01P2006/40 ,  H01M4/1315 ,  H01M4/136 ,  H01M4/502 ,  H01M4/505 ,  H01M4/523 ,  H01M4/525 ,  H01M4/5805 ,  H01M4/5815 ,  H01M4/582 ,  H01M10/052

Abstract: Disclosed are a method for preparing a positive electrode active material for a lithium secondary battery and a positive electrode active material for a lithium secondary battery, the method including: preparing a mixture of a precursor represented by Chemical Formula 1 below, a lithium composite oxide represented by Chemical Formula 2 below and capable of intercalating/deintercalating lithium ions, and a lithium feed material; and firing the prepared mixture: A(OH)2-a  [Chemical Formula 1] Li[LizA(1-z-a)Da]EbO2-b  [Chemical Formula 2]

Abstract translation: 公开了一种锂二次电池用正极活性物质和锂二次电池用正极活性物质的制造方法，该方法包括：制备下述化学式1表示的前体，代表的锂复合氧化物 通过下述化学式2并能够插入/脱嵌锂离子，以及锂原料; 并烧制所制备的混合物：A（OH）2-a [化学式1] Li [LizA（1-z-a）Da] EbO2-b [化学式2]