公开(公告)号：US20170301909A1

公开(公告)日：2017-10-19

申请号：US15487635

申请日：2017-04-14

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Dae-Hoe LEE ,  Do-Hyung PARK ,  Yong-Chan YOU ,  Min-Han KIM

IPC: H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525

CPC classification number: H01M4/131 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0525

Abstract: A positive active material for a rechargeable lithium battery includes a core including a compound represented by Chemical Formula 1 and a structure-stabilizing compound on a surface of the core. The structure-stabilizing compound includes an Al compound or a Co compound. Chemical Formula 1 is LiaNxCoyMezM1kO2-pFp where 0.9≦a≦1.1, 0.7≦x≦0.93, 0

公开(公告)号：US20160233501A1

公开(公告)日：2016-08-11

申请号：US15001555

申请日：2016-01-20

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Su-Kyung LEE ,  Sang-Hyuck AHN ,  Deok-Hyun KIM ,  Xianhui MENG ,  Young Jin CHOI ,  Sang-Pil KIM ,  Yong-Chan YOU

IPC: H01M4/38 ,  H01M10/0525

CPC classification number: H01M4/386 ,  H01M4/134 ,  H01M4/364 ,  H01M4/587 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/021

Abstract: A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided, and the negative active material includes a Si-based alloy; a first graphite material; and a second graphite material having a different average particle diameter from the first graphite material.

Abstract translation: 提供了一种用于可再充电锂电池和包括其的可再充电锂电池的负极活性材料，负极活性材料包括Si基合金; 第一石墨材料; 以及与第一石墨材料具有不同平均粒径的第二石墨材料。

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：US20200235378A1

公开(公告)日：2020-07-23

申请号：US16843455

申请日：2020-04-08

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Dae-Hoe LEE ,  Do-Hyung PARK ,  Yong-Chan YOU ,  Min-Han KIM

IPC: H01M4/131 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/505 ,  H01M4/36 ,  H01M4/62

Abstract: A positive active material for a rechargeable lithium battery includes a core including a compound represented by Chemical Formula 1 and a structure-stabilizing compound on a surface of the core. The structure-stabilizing compound includes an Al compound or a Co compound. Chemical Formula 1 is LiaNixCoyMezM1kO2−pFp where 0.9≤a≤1.1, 0.7≤x≤0.93, 0

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：US20170301908A1

公开(公告)日：2017-10-19

申请号：US15487616

申请日：2017-04-14

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Dae-Hoe LEE ,  Do-Hyung PARK ,  Yong-Chan YOU ,  Min-Han KIM

IPC: H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525

Abstract: A positive active material for a rechargeable lithium battery includes a compound represented by Chemical Formula 1, LiaNixCoyMezM1kM2pO2 wherein, 0.9≦a≦1.1, 0.7≦x≦0.93, 0

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。

公开(公告)号：US20150214550A1

公开(公告)日：2015-07-30

申请号：US14537038

申请日：2014-11-10

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jay-Hyok SONG ,  Byong-Yong YU ,  Andrei KAPYLOU ,  Sol CHOI ,  Yong-Chan YOU ,  Sun-Ho KANG

IPC: H01M4/62 ,  H01M10/052 ,  H01M4/13915 ,  H01M4/1315 ,  H01M4/04

CPC classification number: H01M4/628 ,  H01M4/1315 ,  H01M4/13915 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/021 ,  H01M2004/028 ,  Y02T10/7011

Abstract: A positive active material, a method of preparing the same, and a lithium battery including the positive active material, the positive active material including a core, the core including an overlithiated lithium transition metal oxide; and a coating layer on the core, the coating layer including Li3VO4.

Abstract translation: 正极活性物质及其制备方法以及包含所述正极活性物质的锂电池，所述正极活性物质包含核，所述核包含过量的锂过渡金属氧化物; 和芯上的涂层，涂层包括Li3VO4。