公开(公告)号：US20160020458A1

公开(公告)日：2016-01-21

申请号：US14801387

申请日：2015-07-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Byungjin Choi ,  Yoonsok Kang ,  Junho Park ,  Jinhwan Park ,  Sungjin Ahn ,  Donghee Yeon ,  Jaegu Yoon

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

CPC classification number: H01M4/364 ,  H01M4/131 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/028

Abstract: A composite positive electrode active material, the positive electrode active material including: a first metal oxide having a layered structure; and a second metal oxide having a spinel structure, wherein second metal oxide is represented by Formula 1, and wherein the first metal oxide and the second metal oxide form a composite: Li2M1(1+a)Mn(3−a)O8  Formula 1 wherein, in Formula 1, −1

Abstract translation: 一种复合正极活性物质，所述正极活性物质包括：具有层状结构的第一金属氧化物; 和具有尖晶石结构的第二金属氧化物，其中第二金属氧化物由式1表示，并且其中第一金属氧化物和第二金属氧化物形成复合物：Li2M1（1 + a）Mn（3-a）O8式1 其中，在式1中，-1

公开(公告)号：US20240097117A1

公开(公告)日：2024-03-21

申请号：US18512735

申请日：2023-11-17

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Sukgi Hong ,  Byongyong Yu ,  Donghee Yeon ,  Byungjin Choi

IPC: H01M4/36 ,  C01G53/00 ,  C01G53/04 ,  H01M4/525 ,  H01M4/62

CPC classification number: H01M4/366 ,  C01G53/04 ,  C01G53/50 ,  H01M4/525 ,  H01M4/628 ,  C01P2002/72 ,  C01P2002/85 ,  C01P2004/04 ,  C01P2006/40 ,  H01M2004/028

Abstract: A composite cathode active material includes: a core including a plurality of primary particles; and a shell on the core, wherein the primary particles include a first lithium transition metal oxide comprising nickel, the shell includes a first layer and a second layer on the first layer, the first layer includes a first composition containing a first metal, the second layer includes a second composition containing phosphorus, and the first metal includes at least one or more metal, other than nickel, belonging to any of Groups 2 to 5 and Groups 7 to 15 of the Periodic Table of the Elements. Also a cathode, and a lithium battery each including the composite cathode active material, and a method of preparing the composite cathode active material.

公开(公告)号：US11870061B2

公开(公告)日：2024-01-09

申请号：US16504620

申请日：2019-07-08

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Sukgi Hong ,  Byongyong Yu ,  Donghee Yeon ,  Byungjin Choi

IPC: H01M4/00 ,  H01M4/36 ,  C01G53/04 ,  C01G53/00 ,  H01M4/525 ,  H01M4/62 ,  H01M4/02

CPC classification number: H01M4/366 ,  C01G53/04 ,  C01G53/50 ,  H01M4/525 ,  H01M4/628 ,  C01P2002/72 ,  C01P2002/85 ,  C01P2004/04 ,  C01P2006/40 ,  H01M2004/028

Abstract: A composite cathode active material includes: a core including a plurality of primary particles; and a shell on the core, wherein the primary particles include a first lithium transition metal oxide comprising nickel, the shell includes a first layer and a second layer on the first layer, the first layer includes a first composition containing a first metal, the second layer includes a second composition containing phosphorus, and the first metal includes at least one or more metal, other than nickel, belonging to any of Groups 2 to 5 and Groups 7 to 15 of the Periodic Table of the Elements. Also a cathode, and a lithium battery each including the composite cathode active material, and a method of preparing the composite cathode active material.

公开(公告)号：US11081693B2

公开(公告)日：2021-08-03

申请号：US16102087

申请日：2018-08-13

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Sukgi Hong ,  Youhwan Son ,  Byongyong Yu ,  Kwangjin Park ,  Junho Park ,  Jinhwan Park ,  Byungjin Choi

IPC: H01M4/36 ,  H01M4/1391 ,  H01M10/0525 ,  H01M4/131 ,  H01M4/485 ,  H01M4/04 ,  H01M4/525 ,  H01M10/052 ,  H01M4/505 ,  H01M4/02

Abstract: A composite cathode active material including: a secondary particle including a plurality of primary particles including a lithium transition metal oxide having a layered crystal structure; and a coating layer disposed on a surface of the secondary particle and between the primary particles of the plurality of primary particles, wherein the coating layer includes a lithium cobalt composite oxide having a spinel crystal structure, and wherein the lithium cobalt composite oxide includes cobalt (Co) and a Group 2 element, a Group 12 element, a Group 13 element, or a combination thereof.

公开(公告)号：US10862106B2

公开(公告)日：2020-12-08

申请号：US15335781

申请日：2016-10-27

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Donghan Kim ,  Ryounghee Kim ,  Jinhwan Park ,  Jayhyok Song ,  Byongyong Yu ,  Byungjin Choi

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/131 ,  H01M4/525 ,  H01M4/485 ,  H01M4/505 ,  H01M4/62

Abstract: A composite positive electrode active material includes: a first metal oxide that has a layered structure and is represented by Formula 1; and a second metal oxide that has a spinel structure and is represented by Formula 2, wherein the composite positive electrode active material includes a composite of the first metal oxide and the second metal oxide: LiMO2  Formula 1 LiMe2O4  Formula 2 wherein, in Formulas 1 and 2, M and Me are each independently at least one element selected from Groups 2 to 14 of the periodic table, and a molar ratio of Li/(M+Me) in the composite is less than 1.

公开(公告)号：US20200168906A1

公开(公告)日：2020-05-28

申请号：US16589490

申请日：2019-10-01

Applicant: Samsung Electronics Co., Ltd. ,  POSTECH ACADEMY-INDUSTRY FOUNDATION

Inventor： Donghee Yeon ,  Byoungwoo Kang ,  Junghwa Lee ,  Byungjin Choi ,  Sukgi Hong ,  Jinsu Ha

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

Abstract: A composite positive active material represented by Formula 1, LiaNibCocMndMeO2  Formula 1 wherein, in Formula 1, M is zirconium (Zr), aluminum (Al), rhenium (Re), vanadium (V), chromium (Cr), iron (Fe), gallium (Ga), silicon (Si), boron (B), ruthenium (Ru), titanium (Ti), niobium (Nb), molybdenum (Mo), magnesium (Mg), or platinum (Pt), 1.1≤a≤1.3, b+c+d+e≤1, 0≤b≤0.3, 0≤c≤0.3, 0

公开(公告)号：US20180316009A1

公开(公告)日：2018-11-01

申请号：US15876410

申请日：2018-01-22

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Junho Park ,  Kwangjin Park ,  Youhwan Son ,  Kanghee Lee ,  Sukgi Hong ,  Byungjin Choi

IPC: H01M4/525 ,  H01M10/0525 ,  H01M4/02

Abstract: A composite cathode active material, and a cathode and a lithium battery each including the composite cathode active material. The composite cathode active material includes: a core including a first lithium transition metal oxide represented by Formula 1, LiaMO2 wherein, in Formula 1, M includes Ni and at least one non-nickel Group 4 to Group 13 element, a content of Ni is about 70 mol % or greater, based on a total content of M, 0.9≤a≤1.1, and wherein the first lithium transition metal oxide has a layered crystal structure belonging to an R3m space group; and a shell on a surface of the core, the shell having a spinel crystal structure and including a dopant.

公开(公告)号：US10044030B2

公开(公告)日：2018-08-07

申请号：US14801387

申请日：2015-07-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Byungjin Choi ,  Yoonsok Kang ,  Junho Park ,  Jinhwan Park ,  Sungjin Ahn ,  Donghee Yeon ,  Jaegu Yoon

IPC: H01M4/131 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/36 ,  H01M4/505 ,  H01M10/052 ,  H01M4/02

Abstract: A composite positive electrode active material, the positive electrode active material including: a first metal oxide having a layered structure; and a second metal oxide having a spinel structure, wherein second metal oxide is represented by Formula 1, and wherein the first metal oxide and the second metal oxide form a composite: Li2M1(1+a)Mn(3−a)O8  Formula 1 wherein, in Formula 1, −1

公开(公告)号：US20160190550A1

公开(公告)日：2016-06-30

申请号：US14806903

申请日：2015-07-23

Applicant: Samsung Electronics Co., Ltd. ,  SAMSUNG FINE CHEMICALS CO., LTD. ,  Samsung SDI Co., Ltd.

Inventor： Byungjin Choi ,  Donghan Kim ,  Ryounghee Kim ,  Jinhwan Park

IPC: H01M4/36 ,  H01M4/525 ,  H01M4/505 ,  H01M4/131 ,  H01M4/485

CPC classification number: H01M4/364 ,  C01G45/1228 ,  C01G45/125 ,  C01G45/1264 ,  C01G53/50 ,  C01P2002/34 ,  C01P2002/72 ,  C01P2004/82 ,  C01P2006/40 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/028

Abstract: A composite cathode active material including: a first metal oxide having a layered crystal structure; and a second metal oxide having a perovskite crystal structure, wherein the second metal oxide includes a first metal and a second metal that are each 12-fold cubooctahedrally coordinated to oxygen. Also a cathode including the composite cathode material and a lithium battery containing the cathode.

Abstract translation: 一种复合阴极活性材料，包括：具有层状晶体结构的第一金属氧化物; 和具有钙钛矿晶体结构的第二金属氧化物，其中所述第二金属氧化物包括第一金属和第二金属，所述第一金属和第二金属各自与氧一起形成12倍立方体配位。 还有一种包括复合阴极材料的阴极和含有阴极的锂电池。