公开(公告)号：US20140367609A1

公开(公告)日：2014-12-18

申请号：US14037572

申请日：2013-09-26

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Andrei KAPYLOU ,  Jay-Hyok SONG ,  Evgeniya MATULEVICH ,  Chang-Wook KIM ,  Yong-Chan YOU ,  Sun-Ho KANG

IPC: H01M4/505 ,  H01M4/525

CPC classification number: H01M4/505 ,  C01G53/50 ,  C01P2002/50 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/61 ,  C01P2006/12 ,  H01M4/1315 ,  H01M4/525 ,  Y02E60/122

Abstract: An active material for a lithium secondary battery, a method of manufacturing the same, an electrode including the active material, and a lithium secondary battery including the electrode, the active material including a lithium composite oxide represented by the following Formula 1: Li[LixNiaCobMnc]O2-yFy.  [Formula 1]

Abstract translation: 锂二次电池用活性物质及其制造方法，含活性物质的电极和包含该电极的锂二次电池，所述活性物质包含由下述式1表示的锂复合氧化物：Li [Li x Ni Co 3 Mn ] O2-yFy。 [公式1]

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：US20140054493A1

公开(公告)日：2014-02-27

申请号：US13795051

申请日：2013-03-12

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Ji-Hyun KIM ,  Yong-Chan YOU ,  Chang-Wook KIM ,  Jun-Seok PARK

IPC: H01M4/505

CPC classification number: H01M4/505 ,  C01G45/125 ,  C01G53/50 ,  Y02E60/122

Abstract: A composite cathode active material represented by the formula (1−x)LiM1aM2bM3cO2-xLi2M4O3, wherein M1, M2, and M3 are each independently selected from the group of titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), aluminum (Al), magnesium (Mg), zirconium (Zr), and boron (B); M4 is selected from the group consisting of manganese (Mn), titanium (Ti0, and zirconium (Zr); M1, M2, and M3 are different from one another; and 0.5

Abstract translation: 由式（1-x）LiM1aM2bM3cO2-xLi2M4O3表示的复合正极活性物质，其中M1，M2和M3各自独立地选自钛（Ti），钒（V），铬（Cr），锰（ Mn），铁（Fe），钴（Co），镍（Ni），铜（Cu），铝（Al），镁（Mg），锆（Zr）和硼（B） M4选自锰（Mn），钛（TiO和锆（Zr））; M1，M2和M3彼此不同; 0.5

公开(公告)号：US20170346133A1

公开(公告)日：2017-11-30

申请号：US15608812

申请日：2017-05-30

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyun-Joo JE ,  Jeong-Hoon KIM ,  Ji-Hyun KIM ,  Soo-Youn PARK ,  Chang-Wook KIM

IPC: H01M10/0525 ,  H01M4/36 ,  H01M10/0587 ,  H01M4/525 ,  H01M4/38 ,  H01M4/66 ,  H01M4/13 ,  H01M4/86 ,  H01M4/02

Abstract: The present invention relates to a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode includes: a current collector; and a positive electrode active material positioned on at least one surface of the active material layer current collector. The positive electrode active material layer includes a small particle size active material having an average particle diameter D50 of 2 μm to 4 μm and a first coating layer positioned at a surface thereof, and a large particle size active material having an average particle diameter D50 of 17 μm to 21 μm and a second coating layer positioned at the surface thereof.

公开(公告)号：US20150243971A1

公开(公告)日：2015-08-27

申请号：US14610804

申请日：2015-01-30

Applicant: Samsung SDI Co., Ltd.

Inventor： Sang-Woo CHO ,  Yong-Chan YOU ,  Chang-Wook KIM ,  Sang-In PARK

IPC: H01M4/36 ,  H01M4/50 ,  H01M10/052 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/04 ,  H01M4/525 ,  H01M4/62

CPC classification number: H01M4/366 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/505 ,  H01M4/525 ,  H01M4/628 ,  H01M10/052 ,  H01M2004/028 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: Provided are a positive active material that has a decreased amount of Li-containing impurities that remain on a lithium transition metal composite oxide surface to decrease an amount of gas generation and has improved lifespan properties, a method of preparing the same, a positive electrode for a lithium secondary battery including the positive active material, and a lithium secondary battery including the same.

Abstract translation: 提供一种正极活性物质，其具有减少含量的含锂杂质，其保留在锂过渡金属复合氧化物表面上以减少气体产生量并且具有改善的寿命特性，其制备方法，用于 包含正极活性物质的锂二次电池和包括该锂二次电池的锂二次电池。