公开(公告)号：US20160028082A1

公开(公告)日：2016-01-28

申请号：US14864996

申请日：2015-09-25

Applicant: L&F Material Co., Ltd.

Inventor： Su An Choi ,  Sang-Hoon Jeon ,  Su Youn Kwon ,  Jeong A Gu ,  Hyun Chul Jung ,  Sung Woo Cho ,  Bong Jun Jeong

IPC: H01M4/36 ,  H01M10/052 ,  H01M4/505 ,  H01M4/38 ,  H01M4/525 ,  H01M4/485

CPC classification number: H01M4/366 ,  H01M4/13 ,  H01M4/38 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M10/052 ,  H01M10/4235 ,  H01M2004/028

Abstract: A cathode active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, wherein the cathode active material includes a compound being capable of intercalating and deintercallating lithium, wherein the compound consists of a core part and a coating layer, and the core part is doped with M1 and M2 while the coating layer includes B, are provided.The M1 and M2 are independently at least one metal selected from Zr, Ti, Mg, Ca, V, Zn, Mo, Ni, Co, and Mn, and M1 and M2 are different.

Abstract translation: 一种用于可再充电锂电池的正极活性材料和包括其的可再充电锂电池，其中所述正极活性材料包括能够嵌入和脱嵌锂的化合物，其中所述化合物由芯部分和涂层组成，并且所述芯 在涂层包含B时，部分被掺杂有M1和M2。 M1和M2独立地选自Zr，Ti，Mg，Ca，V，Zn，Mo，Ni，Co和Mn中的至少一种金属，M1和M2不同。

公开(公告)号：US20140212749A1

公开(公告)日：2014-07-31

申请号：US14227820

申请日：2014-03-27

Applicant: L&F Material Co., Ltd.

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

IPC: H01M4/58 ,  H01M4/04 ,  H01M4/525 ,  C01D15/02 ,  H01M4/505

CPC classification number: H01M4/131 ,  C01D15/02 ,  C01G53/50 ,  C01P2002/52 ,  C01P2004/61 ,  C01P2004/80 ,  C01P2004/84 ,  C01P2006/40 ,  H01M4/0471 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M8/04 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/028 ,  Y02E60/122 ,  Y02P70/54

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]

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]