公开(公告)号：EP4456188A1

公开(公告)日：2024-10-30

申请号：EP22911780.9

申请日：2022-12-16

申请人： POSCO Holdings Inc. ,  RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY ,  Posco Future M Co., Ltd

发明人： YU, Byong Yong ,  HONG, Kijoo ,  SONG, Jung Hoon ,  LEE, Sanghyuk ,  CHOI, Kwon Young ,  HAN, Chang Joo ,  NAM, Sang Cheol

IPC分类号： H01M4/36 ,  H01M4/525 ,  H01M4/505 ,  H01M4/62 ,  H01M10/052 ,  C01G53/00 ,  H01M4/02

摘要： The present exemplary embodiments relate to a positive active material for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same. The positive active material for a lithium secondary battery according to an exemplary embodiment includes first lithium metal oxide that contains nickel, cobalt, manganese, and doping elements, is in the form of single particles, and has a unit cell volume of 101.50 Å or more.

公开(公告)号：EP4266424A1

公开(公告)日：2023-10-25

申请号：EP21911454.3

申请日：2021-12-20

申请人： POSCO Holdings Inc. ,  RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY ,  POSCO Chemical Co., Ltd

发明人： SONG, Jung Hoon ,  NAM, Sang Cheol ,  LEE, Sanghyuk ,  CHOI, Kwon Young ,  PARK, Inchul ,  KWON, Ohmin

IPC分类号： H01M4/525 ,  H01M4/505 ,  H01M10/052

摘要： The present exemplary embodiments relate to a positive electrode active material and a lithium secondary battery including the same. According to an exemplary embodiment, a positive electrode active material for a lithium secondary battery including a metal oxide particle including nickel, cobalt and manganese, and five types of doping elements doped on the metal oxide particles is provided.

公开(公告)号：EP4266422A1

公开(公告)日：2023-10-25

申请号：EP21911356.0

申请日：2021-12-13

申请人： POSCO Holdings Inc. ,  RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY ,  POSCO Chemical Co., Ltd

发明人： SONG, Jung Hoon ,  NAM, Sang Cheol ,  LEE, Sanghyuk ,  CHOI, Kwon Young ,  PARK, Inchul ,  KWON, Ohmin

IPC分类号： H01M4/525 ,  H01M4/505 ,  H01M10/052

摘要： The present exemplary embodiments relate to a positive electrode active material and a lithium secondary battery including the same. According to an exemplary embodiment, a positive electrode active material for a lithium secondary battery including a metal oxide particle including nickel, cobalt, manganese and aluminum, and three types of doping elements doped on the metal oxide particle is provided.

公开(公告)号：EP4266407A1

公开(公告)日：2023-10-25

申请号：EP21911357.8

申请日：2021-12-13

申请人： POSCO Holdings Inc. ,  RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY ,  POSCO Chemical Co., Ltd

发明人： NAM, Sang Cheol ,  CHOI, Kwon Young ,  SONG, Jung Hoon ,  LEE, Sanghyuk

IPC分类号： H01M4/36 ,  H01M4/525 ,  H01M4/505 ,  H01M4/62 ,  C01G53/00 ,  H01M10/052

摘要： The present exemplary embodiments provide a positive electrode active material, a manufacturing method thereof, and a lithium secondary battery including the same. The positive electrode active material according to an exemplary embodiment is a metal oxide particle including a center and a surface portion positioned on the surface of the center, but the metal oxide particle is composed of a single particle, and the surface portion includes a film in which no peak is observed during XRD measurement.

公开(公告)号：EP3010074B1

公开(公告)日：2018-02-28

申请号：EP14811726.0

申请日：2014-06-13

申请人： POSCO ,  Research Institute of Industrial Science & Technology

发明人： HONG, Jong Pal ,  SONG, Jung Hoon ,  HWANGBO, Geun ,  CHOI, Gyeong Rye

IPC分类号： H01M4/36 ,  H01M4/525 ,  B01J19/18

CPC分类号： H01M4/366 ,  B01J8/085 ,  B01J8/087 ,  B01J8/10 ,  B01J19/18 ,  B01J19/1806 ,  B01J19/28 ,  B01J2208/00212 ,  B01J2208/00584 ,  B01J2219/00094 ,  B01J2219/00189 ,  B01J2219/00889 ,  B01J2219/00894 ,  B01J2219/00905 ,  B01J2219/1943 ,  B05C3/08 ,  C01G3/006 ,  C01P2004/84 ,  H01M4/38 ,  H01M4/485 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/602 ,  H01M2220/30

摘要： Disclosed are an apparatus for manufacturing core-shell particles, the apparatus including: a reactor including an irrotational hollow cylinder extended in a longitudinal direction, a rotor accommodated so as to be spaced apart from an inner wall side of the cylinder and extended in a longitudinal direction, a driving part connected to one end of the rotor and rotating the rotor, a first raw material inlet and a second raw material inlet respectively formed so as to be connected to the interior of the cylinder at an external circumferential side of one end of the cylinder with respect to a longitudinal direction of the cylinder, an outlet formed at another end of the cylinder so as to be connected to the interior of the cylinder in an opposite direction from the first raw material inlet and the second raw material inlet, at least one shell material inlet formed at an external circumferential side of the cylinder and supplying a shell material to the interior of the cylinder, a heat exchange material moving path formed between an external circumferential side and an interior circumference of the cylinder and providing a moving path of a heat exchange material, a heat exchange material inlet connected to the heat exchange material moving path and serving to inject a heat exchange material, and a heat exchange material outlet connected to the heat exchange material moving path and discharging a heat exchange material; a first storage connected to the first raw material inlet of the reactor; a second storage connected to the second raw material inlet of the reactor; a solid-liquid separator connected to the outlet of the reactor and separating a product discharged from the outlet into solid particles and a liquid; and a drier connected to the solid-liquid separator and drying solid particles separated by the solid-liquid separator, and a method of manufacturing the core-shell particles using the same. According to the present invention, an apparatus for manufacturing core-shell particles, particularly core-shell particles used in a positive electrode active material of lithium rechargeable batteries, in order to form a shell on a core by injecting a gas, liquid, and/or solid material in the presence of a liquid-type solvent, is provided. In particular, according to the present invention, the core-shell particles can be prepared by manufacturing a positive electrode active material precursor into a core type and then coating the same in one reactor without a separate coating process.

公开(公告)号：EP3734716A1

公开(公告)日：2020-11-04

申请号：EP18897184.0

申请日：2018-12-18

申请人： POSCO ,  Research Institute of Industrial Science & Technology ,  POSCO Chemical Co., Ltd

发明人： MIN, Sung Hwan ,  KIM, Jeong Han ,  SONG, Jung Hoon

IPC分类号： H01M4/36 ,  H01M4/62 ,  H01M4/525 ,  H01M4/505 ,  C01B35/12 ,  C01G53/00 ,  H01M10/052

摘要： The present invention relates to a positive active material for lithium secondary battery, its manufacturing method, and lithium secondary battery including the same, and it provides that a positive active material for lithium secondary battery, comprising: a core and a coating layer, wherein, the core is lithium metal oxide, the coating layer comprises boron, the boron compound in the coating layer comprises a lithium boron oxide and a boron oxide, the lithium boron oxide is included 70 wt% or more and 99 wt% in the entire coating layer, the lithium boron oxide comprises Li 2 B 4 O 7 , with respect to the lithium boron oxide 100wt%, the content of Li 2 B 4 O 7 is 55 wt% or more and 99 wt% or less.

公开(公告)号：EP3852173A1

公开(公告)日：2021-07-21

申请号：EP19859256.0

申请日：2019-09-16

申请人： POSCO ,  Research Institute of Industrial Science & Technology ,  POSCO Chemical Co., Ltd

发明人： CHOI, Kwon Young ,  LEE, Sang Hyuk ,  PARK, Jong Il ,  SONG, Jung Hoon ,  NAM, Sang Cheol

IPC分类号： H01M4/36 ,  H01M4/525 ,  H01M4/505 ,  H01M10/052 ,  C01G53/00

摘要： A positive active material, a manufacturing method thereof, and a lithium secondary battery including the same are disclosed, and a positive active material including lithium metal oxide particles in a secondary particle form including primary particles, wherein the secondary particle surface includes planar primary particles with a narrow angle of 70 to 90° from among angles between a c axis of the primary particles and a straight line connecting a virtual point of a center of the primary particle and a center point of the secondary particle may be provided.

公开(公告)号：EP3550644A2

公开(公告)日：2019-10-09

申请号：EP17878046.6

申请日：2017-11-29

申请人： Posco ,  Research Institute of Industrial Science & Technology

发明人： NAM, Sang Cheol ,  SONG, Jung Hoon

IPC分类号： H01M4/36 ,  H01M4/525 ,  H01M10/0525 ,  C01G53/04

摘要： This proposes a minimum core radius for nickel-based metal hydroxide particles having a core-shell gradient (CSG) in which a concentration of nickel in a core portion is constantly maintained and a concentration of nickel in a shell portion is sharply decreased.

公开(公告)号：EP3010074A1

公开(公告)日：2016-04-20

申请号：EP14811726.0

申请日：2014-06-13

申请人： Laminar Co., Ltd. ,  Posco ,  Research Institute Of Industrial Science & Technology

发明人： HONG, Jong Pal ,  SONG, Jung Hoon ,  HWANGBO, Geun ,  CHOI, Gyeong Rye

IPC分类号： H01M4/36 ,  H01M4/525

CPC分类号： H01M4/366 ,  B01J8/085 ,  B01J8/087 ,  B01J8/10 ,  B01J19/18 ,  B01J19/1806 ,  B01J19/28 ,  B01J2208/00212 ,  B01J2208/00584 ,  B01J2219/00094 ,  B01J2219/00189 ,  B01J2219/00889 ,  B01J2219/00894 ,  B01J2219/00905 ,  B01J2219/1943 ,  B05C3/08 ,  C01G3/006 ,  C01P2004/84 ,  H01M4/38 ,  H01M4/485 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/602 ,  H01M2220/30

摘要： Disclosed are an apparatus for manufacturing core-shell particles, the apparatus including: a reactor including an irrotational hollow cylinder extended in a longitudinal direction, a rotor accommodated so as to be spaced apart from an inner wall side of the cylinder and extended in a longitudinal direction, a driving part connected to one end of the rotor and rotating the rotor, a first raw material inlet and a second raw material inlet respectively formed so as to be connected to the interior of the cylinder at an external circumferential side of one end of the cylinder with respect to a longitudinal direction of the cylinder, an outlet formed at another end of the cylinder so as to be connected to the interior of the cylinder in an opposite direction from the first raw material inlet and the second raw material inlet, at least one shell material inlet formed at an external circumferential side of the cylinder and supplying a shell material to the interior of the cylinder, a heat exchange material moving path formed between an external circumferential side and an interior circumference of the cylinder and providing a moving path of a heat exchange material, a heat exchange material inlet connected to the heat exchange material moving path and serving to inject a heat exchange material, and a heat exchange material outlet connected to the heat exchange material moving path and discharging a heat exchange material; a first storage connected to the first raw material inlet of the reactor; a second storage connected to the second raw material inlet of the reactor; a solid-liquid separator connected to the outlet of the reactor and separating a product discharged from the outlet into solid particles and a liquid; and a drier connected to the solid-liquid separator and drying solid particles separated by the solid-liquid separator, and a method of manufacturing the core-shell particles using the same.
According to the present invention, an apparatus for manufacturing core-shell particles, particularly core-shell particles used in a positive electrode active material of lithium rechargeable batteries, in order to form a shell on a core by injecting a gas, liquid, and/or solid material in the presence of a liquid-type solvent, is provided.
In particular, according to the present invention, the core-shell particles can be prepared by manufacturing a positive electrode active material precursor into a core type and then coating the same in one reactor without a separate coating process.

公开(公告)号：EP3890071A1

公开(公告)日：2021-10-06

申请号：EP19889609.4

申请日：2019-11-29

申请人： POSCO ,  Research Institute of Industrial Science & Technology ,  POSCO Chemical Co., Ltd

发明人： NAM, Sang Cheol ,  SONG, Jung Hoon ,  CHOI, Kwon Young

IPC分类号： H01M4/525 ,  H01M4/505 ,  H01M10/052

摘要： A positive active material for a lithium secondary battery and a lithium secondary battery including the same are provided, wherein the positive active material includes lithium, nickel, cobalt, manganese, and a doping element, and the doping element may include Zr, Al, and Ti.