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：US20160308197A1

公开(公告)日：2016-10-20

申请号：US14871067

申请日：2015-09-30

申请人： Orange Power, Ltd. ,  Korea Electronics Technology Institute

发明人： Young Jin Hong ,  Jae Hoon Lee ,  Young Jae Lee ,  Jun Ho Song ,  Young Jun Kim ,  Yeon Hee Kim ,  Eun Ah Lee

IPC分类号： H01M4/36 ,  H01M4/525 ,  H01M4/131 ,  H01M4/62 ,  H01M4/66 ,  C01G53/00 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2/16 ,  H01M4/505 ,  H01M4/38

CPC分类号： H01M4/366 ,  C01G53/006 ,  C01G53/50 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/40 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525

摘要： The disclosure relates to a precursor manufacturing a lithium rich cathode active material and a Lithium rich cathode active material using the same, more specifically relates to a novel precursor for manufacturing a lithium rich cathode active material of which capacity properties and cycle life characteristics are considerably improved by solving a problem of conventional lithium rich cathode active material, and a Lithium rich cathode active material using the same.

摘要翻译： 本公开内容涉及制造富锂正极活性物质的前体和使用其的富锂正极活性物质，更具体地说涉及一种用于制造富锂正极活性物质的新型前体，其容量特性和循环寿命特性明显改善 通过解决常规的富锂正极活性物质的问题，以及使用其的富锂正极活性物质。

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