公开(公告)号：US20140356712A1

公开(公告)日：2014-12-04

申请号：US14347420

申请日：2012-09-18

申请人： KOREA ELECTRONICS TECHNOLOGY INSTITUTE

发明人： Jun Ho Song ,  Young Jun Kim ,  Jeom-Soo Kim ,  Woo Suk Cho ,  Jae-Hun Kim ,  Jun Sung Lee ,  Jin Hwa Kim ,  Kyoung Joon Lee

IPC分类号： H01M4/131 ,  H01M4/505 ,  H01M10/0525 ,  H01M4/52 ,  H01M4/48 ,  H01M4/54 ,  C01G53/00 ,  H01M4/525

CPC分类号： H01M4/131 ,  B82Y30/00 ,  C01G53/00 ,  C01G53/006 ,  C01G53/44 ,  C01G53/50 ,  C01P2002/52 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/40 ,  H01M4/483 ,  H01M4/505 ,  H01M4/523 ,  H01M4/525 ,  H01M4/54 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/122 ,  Y02P70/54

摘要： Disclosed are a precursor for a rechargeable lithium battery, a positive active material including the same, a preparation method thereof, and a rechargeable lithium battery including the positive active material. More particularly, the present invention relates to a precursor including a sheet-shaped plate having a thickness of about 1 nm to about 30 nm and that is represented by the following Chemical Formula 1. NixCOyMn1-x-y-zMz(OH)2  [Chemical Formula 1] In the above Chemical Formula 1, 0

摘要翻译： 公开了可再充电锂电池的前体，含有它的正极活性材料，其制备方法和包含正极活性物质的可再充电锂电池。 更具体地说，本发明涉及一种前体，其包括具有约1nm至约30nm厚度的片状板，并由以下化学式1表示。NixCOyMn1-xy-zMz（OH）2 [化学式 1]在上述化学式1中，0

公开(公告)号：US09825291B2

公开(公告)日：2017-11-21

申请号：US14375140

申请日：2012-09-21

申请人： KOREA ELECTRONICS TECHNOLOGY INSTITUTE

发明人： Jun Ho Song ,  Young Jun Kim ,  Jae-Hun Kim ,  Kyoung Joon Lee ,  Min-Woo Lee

IPC分类号： H01M4/505 ,  H01M4/525 ,  H01M4/485 ,  H01M10/052 ,  C01G45/12 ,  C01G51/00 ,  C01G53/00

CPC分类号： H01M4/485 ,  C01G45/1228 ,  C01G51/50 ,  C01G53/50 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/40 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052

摘要： A method of preparing a positive active material for a lithium secondary battery represented by the following Chemical Formula 1 (LiwNixCoyMn1-x-y-zMzO2) includes: (a) preparing a metal salt aqueous solution including a lithium raw material, a manganese raw material, a nickel raw material, and a cobalt raw material; (b) wet-pulverizing the metal salt aqueous solution using beads having a particle diameter of 0.05 to 0.30 mm at 2000 to 6000 rpm for 2 to 12 hours to prepare a slurry; (c) adding a carbon source to the slurry; (d) spray-drying the slurry of the step (c) to prepare a mixed powder; and (e) heat-treating the mixed powder.

公开(公告)号：US20140242463A1

公开(公告)日：2014-08-28

申请号：US14347404

申请日：2012-09-18

申请人： KOREA ELECTRONICS TECHNOLOGY INSTITUTE

发明人： Jun Ho Song ,  Young Jun Kim ,  Jeom-Soo Kim ,  Woo Suk Cho ,  Jae-Hun Kim ,  Jin Hwa Kim

IPC分类号： H01M4/36 ,  H01M4/1391 ,  H01M4/04

CPC分类号： H01M4/366 ,  C01G53/50 ,  C01P2002/85 ,  C01P2004/03 ,  C01P2004/61 ,  C01P2004/80 ,  C01P2006/40 ,  H01M4/0402 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2220/30

摘要： The present invention provides a positive active material for a secondary lithium battery, a method of preparing the positive active material, and a secondary lithium battery including the positive active material, wherein the positive active material includes a lithium metal composite oxide core represented by the following Chemical Formula 1, and a coating layer including a fluorine compound and positioned at a shell of the lithium metal composite oxide core. LiwNixCoyMn1-x-y-zMzO2  [Chemical Formula 1] (1.2≦w≦1.5, 0

摘要翻译： 本发明提供了二次锂电池用正极活性物质，正极活性物质的制备方法以及包含该正极活性物质的二次锂电池，其中，所述正极活性物质包含以下的锂金属复合氧化物核 化学式1和包含氟化合物的涂层并且位于锂金属复合氧化物核的壳上。 LiwNixCoyMn1-xy-zMzO2 [化学式1]（1.2＆nlE; w＆nlE; 1.5,0

公开(公告)号：US09543571B2

公开(公告)日：2017-01-10

申请号：US14347420

申请日：2012-09-18

申请人： KOREA ELECTRONICS TECHNOLOGY INSTITUTE

发明人： Jun Ho Song ,  Young Jun Kim ,  Jeom-Soo Kim ,  Woo Suk Cho ,  Jae-Hun Kim ,  Jun Sung Lee ,  Jin Hwa Kim ,  Kyoung Joon Lee

IPC分类号： H01M4/131 ,  H01M4/505 ,  H01M10/0525 ,  H01M4/52 ,  H01M4/48 ,  H01M4/54 ,  H01M4/525 ,  C01G53/00 ,  H01M10/052 ,  B82Y30/00 ,  H01M4/02

CPC分类号： H01M4/131 ,  B82Y30/00 ,  C01G53/00 ,  C01G53/006 ,  C01G53/44 ,  C01G53/50 ,  C01P2002/52 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/40 ,  H01M4/483 ,  H01M4/505 ,  H01M4/523 ,  H01M4/525 ,  H01M4/54 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/122 ,  Y02P70/54

摘要： Disclosed are a precursor for a rechargeable lithium battery, a positive active material including the same, a preparation method thereof, and a rechargeable lithium battery including the positive active material. More particularly, the present invention relates to a precursor including a sheet-shaped plate having a thickness of about 1 nm to about 30 nm and that is represented by the following Chemical Formula 1. NixCoyMn1-x-y-zMz(OH)2  [Chemical Formula 1] In the above Chemical Formula 1, 0

摘要翻译： 公开了可再充电锂电池的前体，含有它的正极活性材料，其制备方法和包含正极活性物质的可再充电锂电池。 更具体地说，本发明涉及一种前体，其包括厚度为约1nm至约30nm的片状板，并且由以下化学式1表示。€ƒ€ƒ€ƒ€ƒ€ €ƒ€ƒ[化学式1]€ƒ€ƒ€ƒNix Co y Mn 1-xyz M z（OH）2在上述化学式1中，0

公开(公告)号：US09608265B2

公开(公告)日：2017-03-28

申请号：US14347193

申请日：2012-09-24

申请人： KOREA ELECTRONICS TECHNOLOGY INSTITUTE

发明人： Jun Ho Song ,  Young Jun Kim ,  Jae-Hun Kim

IPC分类号： H01M4/48 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  C01D15/02 ,  C01G53/04 ,  C01G53/00

CPC分类号： H01M4/485 ,  C01D15/02 ,  C01G53/006 ,  C01G53/04 ,  C01G53/50 ,  C01P2002/50 ,  C01P2002/52 ,  C01P2004/03 ,  C01P2004/61 ,  H01M4/505 ,  H01M4/525 ,  Y02P70/54

摘要： Disclosed are a precursor of a positive active material for a rechargeable lithium battery and a preparation method thereof, and a positive active material and a rechargeable lithium battery including the same, and specifically a precursor for a rechargeable lithium battery is represented by the following Chemical Formula 1, wherein a manganese ion concentration deviation in the precursor is within 3 wt %. NixCoyMn1−x−y−zMz(OH)2  [Chemical Formula 1] (0

公开(公告)号：US20150004489A1

公开(公告)日：2015-01-01

申请号：US14375140

申请日：2012-09-21

申请人： KOREA ELECTRONICS TECHNOLOGY INSTITUTE

发明人： Jun Ho Song ,  Young Jun Kim ,  Jae-Hun Kim ,  Kyoung Joon Lee ,  Min-Woo Lee

IPC分类号： H01M4/485 ,  H01M4/505 ,  C01G53/00 ,  H01M4/525 ,  H01M10/052

CPC分类号： H01M4/485 ,  C01G45/1228 ,  C01G51/50 ,  C01G53/50 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/40 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052

摘要： A method of preparing a positive active material for a lithium secondary battery represented by the following Chemical Formula 1 (LiwNixCoyMn1-x-y-zMzO2) includes: (a) preparing a metal salt aqueous solution including a lithium raw material, a manganese raw material, a nickel raw material, and a cobalt raw material; (b) wet-pulverizing the metal salt aqueous solution using beads having a particle diameter of 0.05 to 0.30 mm at 2000 to 6000 rpm for 2 to 12 hours to prepare a slurry; (c) adding a carbon source to the slurry; (d) spray-drying the slurry of the step (c) to prepare a mixed powder; and (e) heat-treating the mixed powder.

摘要翻译： 制备由以下化学式1（LiwNixCoyMn1-xy-zMzO2）表示的锂二次电池用正极活性物质的方法包括：（a）制备包含锂原料，锰原料， 镍原料和钴原料; （b）使用2000〜6000rpm的粒径为0.05〜0.30mm的珠子将金属盐水溶液湿式粉碎2〜12小时，制备浆料; （c）向浆料中加入碳源; （d）喷雾干燥步骤（c）的浆料以制备混合粉末; 和（e）对混合粉末进行热处理。

公开(公告)号：US20140227594A1

公开(公告)日：2014-08-14

申请号：US14347193

申请日：2012-09-24

申请人： KOREA ELECTRONICS TECHNOLOGY INSTITUTE

发明人： Jun Ho Song ,  Young Jun Kim ,  Jae-Hun Kim

IPC分类号： H01M4/485 ,  C01D15/02 ,  C01G53/04 ,  H01M4/525 ,  H01M4/505

CPC分类号： H01M4/485 ,  C01D15/02 ,  C01G53/006 ,  C01G53/04 ,  C01G53/50 ,  C01P2002/50 ,  C01P2002/52 ,  C01P2004/03 ,  C01P2004/61 ,  H01M4/505 ,  H01M4/525 ,  Y02P70/54

摘要： Disclosed are a precursor of a positive active material for a rechargeable lithium battery and a preparation method thereof, and a positive active material and a rechargeable lithium battery including the same, and specifically a precursor for a rechargeable lithium battery is represented by the following Chemical Formula 1, wherein a manganese ion concentration deviation in the precursor is within 3 wt %. NixCoyMn1-x-y-zMz(OH)2  [Chemical Formula 1] (0

摘要翻译： 公开了用于可再充电锂电池的正极活性材料的前体及其制备方法，并且正极活性物质和包含该正极活性物质的可再充电锂电池，具体地，可再充电锂电池的前体由以下化学式 1，其中前体中的锰离子浓度偏差在3重量％以内。 NixCoyMn1-xy-zMz（OH）2 [化学式1]（0