-
1.发明公开公开(公告)号：US20240186508A1
公开(公告)日：2024-06-06
申请号：US18553301
申请日：2022-03-30
申请人： POSCO Holdings Inc. , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY , POSCO CHEMICAL CO., LTD
发明人： Sang Cheol NAM , kwon Young CHOI , Jung Hoon SONG , Sanghyuk LEE
CPC分类号： H01M4/525 , H01M4/366 , H01M4/505 , H01M4/62 , H01M2004/028
摘要： The present exemplary embodiments relate to positive electrode active materials. 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, where the metal oxide particle includes nickel, cobalt, manganese, and doping elements, and is composed of single particles, and the doping elements include two or more species selected from the group consisting of Zr, Al, B, P, La, Ta, Ti, W, Mo, Si, Ga, Zn, Nb, Ag, Sn, Bi, Au, Y, Ge, V, Cr, and Fe.
-
2.发明公开公开(公告)号：US20240270600A1
公开(公告)日：2024-08-15
申请号：US18268805
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： Ohmin KWON , Kwon Young CHOI , Sang Hyuk LEE , Jung Hoon SONG , Jong II PARK , Sang Cheol NAM , Inchul PARK , Geun HWANGBO
IPC分类号： C01G53/00 , H01M10/052
CPC分类号： C01G53/50 , H01M10/052 , C01P2002/01 , C01P2002/82 , C01P2002/85 , C01P2004/84
摘要： The present invention provides a positive electrode active material, its manufacturing method and a lithium secondary battery containing the same. The positive electrode active material for a lithium secondary battery of the present invention is a positive electrode active material for lithium secondary battery, comprising: a lithium metal oxide particle; and a coating layer positioned on at least part of the lithium metal oxide particle surface; wherein, the coating layer includes any one or more of group 5 elements and group 6 elements, B, LiOH, Li2CO3 and Li2SO4.
-
公开(公告)号：US20240136515A1
公开(公告)日：2024-04-25
申请号：US18268033
申请日：2021-11-15
申请人： POSCO Holdings Inc. , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY , POSCO CHEMICAL CO., LTD
发明人： Sanghyuk LEE , Jong II PARK , Jung Hoon SONG , Sang Cheol NAM , Kwon Young CHOI , Inchul PARK , Ohmin KWON
CPC分类号： H01M4/525 , H01M4/364 , H01M4/485 , H01M4/505 , H01M4/8885 , H01M10/052 , H01M2004/028
摘要： A positive electrode active material for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, wherein the positive electrode active material is a lithium nickel-based compound particle having a Ni content of 75 mol % or more, and a difference in concentration of Al between the center and the surface in the lithium nickel-based compound particle is less than 1 mol %.
-
4.发明公开公开(公告)号：US20240006594A1
公开(公告)日：2024-01-04
申请号：US18268046
申请日：2021-11-15
发明人： Ohmin KWON , Sang Cheol NAM , Kwon Young CHOI , Jung Hoon SONG , Sanghyuk LEE , Inchul PARK
CPC分类号： H01M4/366 , H01M4/525 , H01M4/505 , H01M10/052 , H01M4/5825 , H01M4/38 , C01G53/006 , C01G53/50 , C01P2004/03 , C01P2006/40
摘要： It relates to a positive electrode active material for a lithium secondary battery and a lithium secondary battery including the same, wherein the positive electrode active material for lithium secondary battery, comprising: a core containing a lithium nickel-based compound having a Ni content of 80 mol % or more; and a coating material positioned on at least a portion of the core surface; wherein, the coating material includes a first coating material containing at least one of group 5 elements and group 6 elements; and S; and a second coating material including B, LiOH, Li2CO3 and Li2SO4, and the second coating material is a needle-like material.
-
公开(公告)号：US20240313214A1
公开(公告)日：2024-09-19
申请号：US18268515
申请日：2021-11-17
发明人： Inchul PARK , Hyungsub KIM , Sang Hyuk LEE , Jung Hoon SONG , Junghoon KIM , Sang Cheol NAM , Kwon Young CHOI , Ohmin KWON , Seok Hyun SONG
IPC分类号： H01M4/525 , C01G53/00 , H01M4/02 , H01M4/131 , H01M10/052
CPC分类号： H01M4/525 , C01G53/006 , C01G53/50 , H01M4/131 , H01M10/052 , C01P2002/50 , C01P2002/72 , C01P2006/40 , H01M2004/028
摘要： It is related to a positive electrode active material for lithium secondary battery, comprising: a compound represented by Chemical Formula 1, wherein a molar content of lithium present in the structure of the positive electrode active material, measured through neutron diffraction analysis, is 1.01 to 1.15 for 1 mole of the positive electrode active material, a method of preparing it, and a lithium secondary battery including the same.
Li1+a(NibM11-b)1-aO2 [Chemical Formula 1]
In the Chemical Formula 1, 0-
公开(公告)号：US20240222619A1
公开(公告)日：2024-07-04
申请号：US18288691
申请日：2022-04-26
申请人： POSCO Holdings Inc. , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY , POSCO CHEMICAL CO., LTD
发明人： Inchul PARK , Hyungsub KIM , Sanghyuk LEE , Jung Hoon SONG , Junghoon KIM , Kwon Young CHOI , Ohmin KWON , Sang Cheol NAM , Seok Hyun SONG
IPC分类号： H01M4/525 , C01G53/00 , H01M4/505 , H01M10/0525
CPC分类号： H01M4/525 , C01G53/50 , H01M4/505 , H01M10/0525 , C01P2002/72 , C01P2006/40 , C01P2006/80
摘要： Provided is a positive active material for a lithium secondary battery including a compound represented by the following formula 1, wherein, a molar content of lithium present in a structure of the positive active material, measured through neutron diffraction analysis, is 1.02 to 1.15 per mole of the positive active material, and a c-axis lattice constant variation ratio of the R-3m structure is less than 2.3% for charge and discharge in the 2.5 V to 4.25 V range, [Chemical Formula 1] Li1+a(NibM11-b)1-aO2 in formula 1 above, 0
-
公开(公告)号：US20240047669A1
公开(公告)日：2024-02-08
申请号：US18268791
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： Jung Hoon SONG , Sang Cheol NAM , Sanghyuk LEE , Kwon Young CHOI , Inchul PARK , Ohmin KWON
IPC分类号： H01M4/525 , H01M4/505 , H01M10/052 , C01G53/00
CPC分类号： H01M4/525 , H01M4/505 , H01M10/052 , C01G53/50 , H01M2004/028
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 two types of doping elements doped on the metal oxide particle is provided.
-
公开(公告)号：US20240297305A1
公开(公告)日：2024-09-05
申请号：US18268831
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： Jung Hoon SONG , Sang Cheol NAM , Sang Hyuk LEE , Kwon Young CHOI , Inchul PARK , Ohmin KWON
IPC分类号： H01M4/525 , H01M4/02 , H01M4/36 , H01M10/052
CPC分类号： H01M4/525 , H01M4/364 , H01M10/052 , H01M2004/021 , H01M2004/028
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：US20240282950A1
公开(公告)日：2024-08-22
申请号：US18268756
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： Jung Hoon SONG , Sang Cheol NAM , Sanghyuk LEE , Kwon Young CHOI , Inchul PARK , Ohmin KWON
IPC分类号： H01M4/525 , C01G53/00 , H01M4/02 , H01M4/131 , H01M10/0525
CPC分类号： H01M4/525 , C01G53/50 , H01M4/131 , H01M10/0525 , C01P2002/52 , C01P2002/74 , C01P2004/62 , C01P2006/40 , H01M2004/028
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：US20230041710A1
公开(公告)日：2023-02-09
申请号：US17787191
申请日：2020-12-18
发明人： Kwon Young CHOI , Sang Cheol NAM , Sang Hyuk LEE , Inchul PARK , Jong Il PARK , Jung Hoon SONG , Ohmin KWON
摘要： Embodiments of the present invention relate to a cathode active material, a method for manufacturing the same, and a lithium secondary battery including the same.
According to an embodiment, a cathode active material can be provided, the cathode active material comprising: a lithium metal oxide including a core and a shell disposed on a surface of the core; and a coating layer disposed on a surface of the lithium metal oxide, wherein a c value that satisfies Equation 1 and is in a range of 0.3 to 0.7, and the core and the shell have a layered crystalline structure. c=b/a [Equation 1] (in Equation 1, a is a peak at 530 to 533 eV and b is a peak at 528 to 531 eV in an XPS spectrum of the coating layer)
-
-
-
-
-
-
-
-
-
搜索结果
22 条记录 (耗时 0.02 秒)
