公开(公告)号：US11799078B2

公开(公告)日：2023-10-24

申请号：US15860901

申请日：2018-01-03

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

Inventor： Kwangjin Park ,  Dongsu Ko ,  Kyoungmin Min ,  Changhoon Jung ,  Byungjin Choi

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

CPC classification number: H01M4/525 ,  H01M4/0471 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M10/052 ,  C01P2002/32 ,  C01P2002/72 ,  C01P2004/04 ,  H01M10/0525 ,  H01M2004/028

Abstract: A composite cathode active material and a cathode and a lithium battery including the composite cathode active material. The composite cathode active material has a core including a plurality of primary particles including a nickel-containing first lithium transition metal oxide having a layered crystal structure; a grain boundary disposed between adjacent primary particles of the plurality of primary particles; and a shell on the core, the shell including a second lithium transition metal oxide having a spinel crystal structure, wherein the grain boundary includes a first composition having a spinel crystal structure.

公开(公告)号：US10763503B2

公开(公告)日：2020-09-01

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: H01M4/52 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/1391 ,  H01M4/131 ,  H01M4/36 ,  C01D15/02 ,  H01M4/02 ,  H01M4/505

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：US10741840B2

公开(公告)日：2020-08-11

申请号：US16119170

申请日：2018-08-31

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

Inventor： Dongjin Ham ,  Jayhyok Song ,  Andrei Kapylou ,  Jinhwan Park ,  Youhwan Son ,  San Moon ,  Sungjin Ahn ,  Donghee Yeon ,  Jinsu Ha ,  Kwangjin Park ,  Byungjin Choi

IPC: H01M4/13 ,  H01M4/525 ,  H01M10/052 ,  H01M4/131 ,  H01M4/36 ,  H01M4/505 ,  H01M10/0525 ,  H01M4/02

Abstract: A cathode active material includes a secondary particle including an aggregate of a plurality of primary particles, wherein the secondary particle includes a nickel-containing lithium transition metal oxide having a layered crystal structure, wherein the plurality of primary particles includes a first primary particle having a size greater than about 400 nanometers, a second primary particle having a size less than about 150 nanometers, and a third primary particle having a size of about 150 nanometers to about 400 nanometers, wherein the third primary particle has a area of greater than or equal to about 80% of a total area of the plurality of primary particles, and wherein the secondary particle has a porosity of less than or equal to about 10% of a total area of the cathode active material.

公开(公告)号：US09960419B2

公开(公告)日：2018-05-01

申请号：US14576962

申请日：2014-12-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kwangjin Park ,  Jaegu Yoon ,  Jeongkuk Shon ,  Minsang Song ,  Jaejun Chang ,  Sangmin Ji ,  Jaeman Choi ,  Dongjin Ham

IPC: H01M4/36 ,  H01M4/583 ,  H01M4/505 ,  H01M4/485 ,  H01M4/525 ,  C01G49/00 ,  C01G53/00 ,  C01G51/04 ,  C01G51/00 ,  C01G45/12 ,  C01G45/02 ,  H01M10/052 ,  H01M4/02

CPC classification number: H01M4/366 ,  C01G45/02 ,  C01G45/1228 ,  C01G49/0072 ,  C01G51/04 ,  C01G51/50 ,  C01G53/50 ,  C01P2002/76 ,  C01P2002/85 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2004/80 ,  C01P2006/40 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/583 ,  H01M10/052 ,  H01M2004/028

Abstract: A positive active material including: a core comprising a metal oxide, a non-metal oxide, or a combination thereof capable of intercalation and deintercalation of lithium ions or sodium ions; and a non-conductive carbonaceous film including oxygen on at least one portion of a surface of the core; a lithium battery including the positive active material; and a method of manufacturing the positive active material.

公开(公告)号：US20160190585A1

公开(公告)日：2016-06-30

申请号：US14979726

申请日：2015-12-28

Applicant: Samsung Electronics Co., Ltd. ,  INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY ,  Samsung SDI Co., Ltd.

Inventor： Jaegu Yoon ,  Donghan Kim ,  Kwangjin Park ,  Sukgi Hong ,  Jinhwan Park ,  Jaekook Kim ,  Sungjin Kim ,  Jihyeon Gim ,  Jinju Song

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

CPC classification number: H01M4/5825 ,  H01M4/364 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/028 ,  Y02T10/7011

Abstract: A composite cathode active material including: a lithium composite oxide; a metal phosphate represented by Formula 1, preparation methods thereof, a cathode and a lithium battery. MxPyOz   Formula 1 wherein, in Formula 1, M is vanadium, niobium, tantalum, or a combination thereof, 1≦y/x≦1.33, and 4≦z/y≦5.

Abstract translation: 一种复合阴极活性材料，包括：锂复合氧化物; 由式1表示的金属磷酸盐，其制备方法，阴极和锂电池。 式1其中，在式1中，M是钒，铌，钽或它们的组合，1＆nlE; y / x＆nlE; 1.33和4＆lt; lE; z / y＆nlE; 5。

公开(公告)号：US20160141607A1

公开(公告)日：2016-05-19

申请号：US14576962

申请日：2014-12-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kwangjin Park ,  Jaegu Yoon ,  Jeongkuk Shon ,  Minsang Song ,  Jaejun Chang ,  Sangmin Ji ,  Jaeman Choi ,  Dongjin Ham

IPC: H01M4/36 ,  H01M4/60 ,  H01M4/04 ,  H01M4/583

CPC classification number: H01M4/366 ,  C01G45/02 ,  C01G45/1228 ,  C01G49/0072 ,  C01G51/04 ,  C01G51/50 ,  C01G53/50 ,  C01P2002/76 ,  C01P2002/85 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2004/80 ,  C01P2006/40 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/583 ,  H01M10/052 ,  H01M2004/028

Abstract: A positive active material including: a core comprising a metal oxide, a non-metal oxide, or a combination thereof capable of intercalation and deintercalation of lithium ions or sodium ions; and a non-conductive carbonaceous film including oxygen on at least one portion of a surface of the core; a lithium battery including the positive active material; and a method of manufacturing the positive active material.

Abstract translation: 一种正极活性物质，包括：能够插入和脱嵌锂离子或钠离子的金属氧化物，非金属氧化物或其组合的核心; 以及在所述芯的表面的至少一部分上包含氧的非导电性碳质膜; 包含正极活性物质的锂电池; 以及制造正极活性物质的方法。

公开(公告)号：US20240030434A1

公开(公告)日：2024-01-25

申请号：US18474350

申请日：2023-09-26

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

Inventor： Kwangjin Park ,  Dongsu Ko ,  Kyoungmin Min ,  Changhoon Jung ,  Byungjin Choi

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

CPC classification number: H01M4/525 ,  H01M10/052 ,  H01M4/505 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/0471 ,  H01M4/485 ,  H01M2004/028

Abstract: A composite cathode active material and a cathode and a lithium battery including the composite cathode active material. The composite cathode active material has a core including a plurality of primary particles including a nickel-containing first lithium transition metal oxide having a layered crystal structure; a grain boundary disposed between adjacent primary particles of the plurality of primary particles; and a shell on the core, the shell including a second lithium transition metal oxide having a spinel crystal structure, wherein the grain boundary includes a first composition having a spinel crystal structure.

公开(公告)号：US11011746B2

公开(公告)日：2021-05-18

申请号：US15207885

申请日：2016-07-12

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

Inventor： Kwangjin Park ,  Junho Park ,  Jaegu Yoon ,  Sukgi Hong

IPC: H01M4/36 ,  H01M4/485 ,  H01M4/58 ,  H01M4/04 ,  H01M10/0569 ,  H01M4/1391 ,  H01M4/62 ,  H01M2/16 ,  H01M10/0525 ,  H01M10/0568 ,  H01M4/505 ,  H01M4/131 ,  H01M4/525 ,  C01G53/00 ,  C01F7/04 ,  H01M50/44 ,  H01M50/411 ,  H01M4/02

Abstract: A composite cathode active material for a lithium battery including: a lithium composite oxide; and a coating layer including a metal oxide and a lithium fluoride, (LiF) wherein the coating layer is disposed on at least a portion of a surface of the lithium composite oxide.

公开(公告)号：US10243210B2

公开(公告)日：2019-03-26

申请号：US15152861

申请日：2016-05-12

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

Inventor： Junho Park ,  Kwangjin Park ,  Dongwook Shin ,  Jaegu Yoon ,  Sukgi Hong

IPC: H01M4/00 ,  H01M4/505 ,  H01M2/16 ,  H01M4/04 ,  H01M4/131 ,  H01M4/133 ,  H01M4/1391 ,  H01M4/525 ,  H01M4/62 ,  H01M4/66 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0585 ,  H01M4/36 ,  H01M4/58 ,  C01G53/00 ,  H01M4/587 ,  H01M10/0525 ,  H01M4/02

Abstract: A cathode active material includes a core capable of intercalating and deintercalating lithium ions; and a coating layer on at least a portion of the core, wherein the coating layer includes a composite including a metal oxide compound and a phosphate compound, the metal oxide compound is at least one compound selected from a lithium metal oxide and a metal oxide, the phosphate compound is at least one compound selected from a lithium phosphate, a lithium metal phosphate, and a metal phosphate, and a weight ratio of the metal oxide compound to the phosphate compound is from greater than 0 to about 1.

公开(公告)号：US20180205077A1

公开(公告)日：2018-07-19

申请号：US15922139

申请日：2018-03-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kwangjin Park ,  Jaegu Yoon ,  Jeongkuk Shon ,  Minsang Song ,  Jaejun Chang ,  Sangmin Ji ,  Jaeman Choi ,  Dongjin Ham

IPC: H01M4/36 ,  H01M4/583 ,  C01G49/00 ,  H01M4/485 ,  H01M4/505 ,  C01G53/00 ,  H01M4/525 ,  C01G51/00 ,  C01G51/04 ,  C01G45/12 ,  C01G45/02 ,  H01M4/02 ,  H01M10/052

CPC classification number: H01M4/366 ,  C01G45/02 ,  C01G45/1228 ,  C01G49/0072 ,  C01G51/04 ,  C01G51/50 ,  C01G53/50 ,  C01P2002/76 ,  C01P2002/85 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2004/80 ,  C01P2006/40 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/583 ,  H01M10/052 ,  H01M2004/028

Abstract: A positive active material including: a core comprising a metal oxide, a non-metal oxide, or a combination thereof capable of intercalation and deintercalation of lithium ions or sodium ions; and a non-conductive carbonaceous film including oxygen on at least one portion of a surface of the core; a lithium battery including the positive active material; and a method of manufacturing the positive active material.