公开(公告)号：US20150228976A1

公开(公告)日：2015-08-13

申请号：US14593525

申请日：2015-01-09

Applicant: Samsung SDI Co., Ltd.

Inventor： Young-Ki KIM ,  Na-Ri PARK ,  Young-Hun LEE ,  Soon-Rewl LEE ,  Ick-Kyu CHOI ,  Yong-Chul PARK

IPC: H01M4/485 ,  H01M10/052 ,  H01M4/38

CPC classification number: H01M4/485 ,  C01G51/42 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2004/61 ,  H01M4/131 ,  H01M4/134 ,  H01M4/386 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0525 ,  H01M2220/30

Abstract: Disclosed are a positive active material for a rechargeable lithium battery including a compound represented LixCo1−yTiyO2, wherein 1

Abstract translation: 公开了一种用于可再充电锂电池的正极活性材料，其包括表示为LixCo1-yTiyO2的化合物，其中1

公开(公告)号：US20150010819A1

公开(公告)日：2015-01-08

申请号：US14102349

申请日：2013-12-10

Applicant: Samsung SDI Co., Ltd.

Inventor： Young-Hun LEE ,  Soon-Rewl LEE ,  Na-Ri PARK ,  Young-Ki KIM ,  Ick-Kyu CHOI ,  Yong-Chul PARK ,  Hong-Kyu CHOI

IPC: H01M4/525 ,  C01D15/02 ,  H01M4/52

CPC classification number: H01M4/525 ,  C01D15/02 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/505 ,  H01M4/523 ,  H01M10/0525

Abstract: A cathode active material including at least two agglomerates of primary particles and a cathode and a lithium secondary battery containing the same are disclosed. In the cathode active material, a secondary particle includes a nickel-based lithium transition metal oxide, an average particle diameter of each primary particle is in a range from about 2 to about 3 μm, and an average particle diameter of the secondary particle is in a range from about 5 to about 8 μm.

Abstract translation: 公开了一种包含至少两个一次粒子和阴极附聚物的阴极活性材料和含有它们的锂二次电池。 在正极活性物质中，二次粒子包括镍基锂过渡金属氧化物，一次粒子的平均粒径在约2〜约3μm的范围内，二次粒子的平均粒径为 在约5至约8μm的范围内。

公开(公告)号：US20170358794A1

公开(公告)日：2017-12-14

申请号：US15613716

申请日：2017-06-05

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Young-Hun LEE ,  Ji-Yeon JANG ,  Soon-Kie HONG ,  Young-Ki KIM ,  Soon-Rewl LEE ,  Ick-Kyu CHOI ,  Ji-Hyun KIM ,  Soo-Youn PARK ,  Hyun-Joo JE ,  Chang-Wook KIM ,  Kyu-Suk HAN

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/62 ,  H01M4/48 ,  H01M4/525 ,  H01M4/02

CPC classification number: H01M4/364 ,  H01M4/366 ,  H01M4/483 ,  H01M4/525 ,  H01M4/623 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/028

Abstract: A positive active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed. The positive active material includes a core including a lithium intercalation compound and a crystalline coating compound on a surface of the core and including a crystalline aluminum hydroxide, a crystalline aluminum oxyhydroxide, or a combination thereof.

公开(公告)号：US20150214543A1

公开(公告)日：2015-07-30

申请号：US14452412

申请日：2014-08-05

Applicant: Samsung SDI Co., Ltd.

Inventor： Young-Ki KIM ,  Young-Hun LEE ,  Ick-Kyu CHOI ,  Yong-Chul PARK ,  Soon-Rewl LEE

IPC: H01M4/36 ,  H01M10/052 ,  H01M4/58 ,  C01D15/02 ,  H01M4/485

Abstract: Provided are a positive active material, a lithium battery including the positive active material, and a method of manufacturing the positive active material. The positive active material includes a lithium molybdate composite having a core-shell structure. The lithium molybdate composite acts as a sacrificial positive electrode in a positive electrode of a battery. The positive active material is able to increase charge capacity of a lithium battery, and accordingly is able to improve lifetime properties of a lithium battery.

Abstract translation: 提供正极活性物质，包括正极活性物质的锂电池和制造正极活性物质的方法。 正极活性物质包括具有核 - 壳结构的钼酸锂复合物。 钼酸锂复合物在电池的正极中用作牺牲正极。 正极活性物质能够增加锂电池的充电容量，因此能够提高锂电池的寿命性能。