公开(公告)号：US10468686B2

公开(公告)日：2019-11-05

申请号：US15403583

申请日：2017-01-11

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  Samsung SDI Co., Ltd.

Inventor： Kwangjin Park ,  Junho Park ,  Sukgi Hong ,  Byungjin Choi

IPC: H01M4/505 ,  H01M4/62 ,  H01M4/36 ,  H01M4/525 ,  H01M10/0525 ,  C01B25/45 ,  C01G25/00 ,  C01G53/00 ,  H01M4/02 ,  H01M10/052

Abstract: A composite cathode active material for a lithium battery, the composite cathode active material including: a lithium composite oxide; and a coating layer disposed on at least a portion of the lithium composite oxide and including a composite including ZrP2O7 and LiZr2(PO4)3, wherein the composite including ZrP2O7 and LiZr2(PO4)3 is a reaction product of an acid treated a zirconium precursor, a phosphorus precursor, and the lithium composite oxide.

公开(公告)号：US09728781B2

公开(公告)日：2017-08-08

申请号：US14499408

申请日：2014-09-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dongwook Han ,  Seoksoo Lee ,  Guesung Kim ,  Ryounghee Kim ,  Kwangjin Park ,  Wonseok Chang

IPC: H01M4/505 ,  H01M10/054 ,  C01G45/12 ,  H01M4/525 ,  H01M4/485

CPC classification number: H01M4/505 ,  C01G45/1228 ,  C01P2002/76 ,  C01P2006/40 ,  H01M4/485 ,  H01M4/525 ,  H01M10/054 ,  H01M2220/30

Abstract: A sodium manganese composite oxide represented by Formula 1: NaxMayMnzMbvO2+d  Formula 1 wherein, 0.2≦x≦1, 0

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：US10862113B2

公开(公告)日：2020-12-08

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

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：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：US20230146690A1

公开(公告)日：2023-05-11

申请号：US18089725

申请日：2022-12-28

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 ,  H01M4/366 ,  H01M4/0471 ,  H01M4/485 ,  H01M4/505 ,  H01M4/1391 ,  H01M10/052 ,  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：US10593944B2

公开(公告)日：2020-03-17

申请号：US14816180

申请日：2015-08-03

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

Inventor： Youhwan Son ,  Kwangjin Park ,  Jinseok Hong

IPC: B01J13/00 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  B01J19/18 ,  B01J19/00 ,  B01F15/06 ,  B01F7/00

Abstract: A co-precipitation reactor for manufacturing a positive electrode active material precursor for a secondary battery, the co-precipitation reactor including a reaction chamber having a plurality of suppliers configured to direct a reaction material and a pH adjusting material into the reaction chamber, a stirrer configured to be disposed in the reaction chamber, a drive motor configured to rotate the stirrer, a stirring shaft configured to receive power from the drive motor and rotate the stirrer, a first heater configured to heat an outside of the reaction chamber to heat the reaction material and the pH adjusting material, and a second heater configured to heat an inside of the reaction chamber to heat the reaction material and the pH adjusting material.

公开(公告)号：US20190006669A1

公开(公告)日：2019-01-03

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

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：US20170358797A1

公开(公告)日：2017-12-14

申请号：US15622133

申请日：2017-06-14

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

Inventor： Youhwan Son ,  Seongyong Park ,  Jinsu Ha ,  Sukgi Hong ,  Kwangjin Park ,  Junho Park ,  Byungjin Choi

IPC: H01M4/36 ,  H01M4/04 ,  H01M4/525 ,  H01M4/505 ,  H01M4/02

CPC classification number: H01M4/366 ,  C01G53/006 ,  C01G53/50 ,  C01P2002/72 ,  C01P2002/82 ,  C01P2002/88 ,  C01P2004/03 ,  C01P2004/84 ,  C01P2006/22 ,  H01M4/0471 ,  H01M4/505 ,  H01M4/525 ,  H01M4/628 ,  H01M10/0525 ,  H01M2004/028

Abstract: A composite cathode active material, includes a first metal oxide having a first layered crystal structure; and a second metal oxide having a second layered crystal structure, wherein the second metal oxide includes a layered double oxide (LDO). Also a cathode and a lithium battery including the composite cathode active material.

公开(公告)号：US20160190582A1

公开(公告)日：2016-06-30

申请号：US14816180

申请日：2015-08-03

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

Inventor： Youhwan Son ,  Kwangjin Park ,  Jinseok Hong

IPC: H01M4/58 ,  B01J19/18 ,  B01J19/20 ,  H01M10/0525

CPC classification number: H01M4/5815 ,  B01F7/0065 ,  B01F15/065 ,  B01F15/068 ,  B01F2015/062 ,  B01J19/0066 ,  B01J19/18 ,  B01J2219/0006 ,  B01J2219/00063 ,  B01J2219/00078 ,  B01J2219/00094 ,  B01J2219/00135 ,  B01J2219/00177 ,  B01J2219/00204 ,  B01J2219/00229 ,  H01M4/582

Abstract: A co-precipitation reactor for manufacturing a positive electrode active material precursor for a secondary battery, the co-precipitation reactor including a reaction chamber having a plurality of suppliers configured to direct a reaction material and a pH adjusting material into the reaction chamber, a stirrer configured to be disposed in the reaction chamber, a drive motor configured to rotate the stirrer, a stirring shaft configured to receive power from the drive motor and rotate the stirrer, a first heater configured to heat an outside of the reaction chamber to heat the reaction material and the pH adjusting material, and a second heater configured to heat an inside of the reaction chamber to heat the reaction material and the pH adjusting material.

Abstract translation: 一种用于制造用于二次电池的正极活性物质前体的共沉淀反应器，所述共沉淀反应器包括具有多个供应商的反应室，所述反应室配置成将反应材料和pH调节材料引入反应室，搅拌器 被构造成设置在所述反应室中;驱动马达，其构造成使所述搅拌器旋转，所述搅拌轴构造成从所述驱动马达接收动力并旋转所述搅拌器;第一加热器，被配置为加热所述反应室的外部以加热所述反应 材料和pH调节材料，以及第二加热器，其被配置为加热反应室的内部以加热反应材料和pH调节材料。