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公开(公告)号：US20240413308A1
公开(公告)日：2024-12-12
申请号：US18424934
申请日：2024-01-29
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Jingpeng FAN , Qi WU , Zhenguo ZHANG , Qiang CHEN , Dong ZHAO , Na LIU , Jing WANG
Abstract: This application provides a lithium-nickel-manganese-containing composite oxide, a preparation method thereof, and a positive electrode plate, secondary battery, and electric apparatus containing the same. The lithium-nickel-manganese-containing composite oxide has a core-shell structure and includes a core and a shell enveloping surface of the core, where the core includes Lix(NiyMn2-y)1-mMmO4. M includes one or more selected from Mg, elements from group IVB to group VIB, elements from group IIIA to group VA, and lanthanide elements, where 0.95≤x≤1.10, 0.40≤y≤0.60, and 0.001≤m≤0.015. The shell includes lithium aluminum phosphate and optionally includes lithium aluminum phosphate and aluminum phosphate.
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公开(公告)号：US20230119115A1
公开(公告)日：2023-04-20
申请号：US18085497
申请日：2022-12-20
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Jinhua HE , Qi WU , Jingpeng FAN , Qiang CHEN , Yuxiang ZHAO
Abstract: This application provides a positive-electrode active material and a manufacturing method thereof. The positive-electrode active material includes a positive-electrode active material matrix and a coating layer, and the coating layer coats a surface of the positive-electrode active material matrix. The positive-electrode active material matrix is Li1+a[NixCoyMnzMb]O2, where 0
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Patent Agency Ranking
3.发明公开公开(公告)号：US20230395796A1
公开(公告)日：2023-12-07
申请号：US18325996
申请日：2023-05-30
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Qi WU , Qiang CHEN , Yuxiang ZHAO , Jingpeng FAN , Qisen HUANG
IPC: H01M4/525 , H01M10/0525 , H01M4/36 , H01M4/04 , H01M4/505
CPC classification number: H01M4/525 , H01M10/0525 , H01M4/366 , H01M4/0471 , H01M4/505 , H01M2220/20 , H01M2004/028
Abstract: A modified high-nickel ternary positive electrode material includes an inner core and inner and outer coating layers. The inner core includes a high-nickel ternary positive electrode material matrix, the matrix being doped with M1, M2, and W. M1 is one of Mo, Zr, Ti, Sb, Nb, and Te. M2 is one of Mg, Al, Ca, Zn, and Sr. Chemical formula of the high-nickel ternary positive electrode material matrix is Li1+a[NixCoyMnzM1bM2cWd]O2. 0.65≤x
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4.发明公开公开(公告)号：US20240199439A1
公开(公告)日：2024-06-20
申请号：US18322010
申请日：2023-05-23
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Qi WU , Chongheng SHEN , Qiang CHEN , Jingpeng FAN , Yuxiang ZHAO , Qisen HUANG
CPC classification number: C01G53/006 , C01G53/04 , H01M4/505 , H01M4/525 , C01P2002/72 , C01P2004/03 , C01P2004/50 , C01P2004/51 , C01P2004/61 , C01P2004/84 , C01P2006/11 , C01P2006/12 , C01P2006/40 , H01M2004/021 , H01M2004/028 , H01M10/0525
Abstract: This application relates to a ternary precursor for making a material for positive electrodes in lithium batteries. In the ternary precursor, primary particles or whiskers of the ternary precursor are distributed in a radial direction. A deformation stacking fault probability fD of the ternary precursor is ≤2.5%. This application further relates to a preparation method of the ternary precursor, a ternary positive electrode material, a secondary battery, a battery module, a battery pack, and an electric apparatus.
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公开(公告)号：US20240079565A1
公开(公告)日：2024-03-07
申请号：US18384665
申请日：2023-10-27
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Jing WANG , Qiang CHEN , Qi WU , Dong ZHAO , Jingpeng FAN , Na LIU
CPC classification number: H01M4/366 , H01M4/131 , H01M4/505 , H01M4/525 , H01M4/62 , H01M10/0565 , H01M2004/028
Abstract: A modified positive electrode material includes an inner core and a cladding layer. The inner core is a positive electrode material, and the cladding layer includes a polymer electrolyte body and a ferroelectric ceramic material dispersed in the polymer electrolyte body.
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6.发明公开公开(公告)号：US20240014386A1
公开(公告)日：2024-01-11
申请号：US18472030
申请日：2023-09-21
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Dong ZHAO , Qi WU , Jingpeng FAN , Qiang CHEN , Jing WANG , Na LIU
CPC classification number: H01M4/366 , H01M4/505 , H01M4/525 , H01M4/0471 , H01M2004/028
Abstract: A positive electrode material includes a core including a lithium-rich manganese-based positive electrode material, and a coating layer enveloping outer surface of the core and including a composite material of a transition metal oxoacid salt and carbon. The transition metal in the transition metal oxoacid salt is selected from at least one of Ti, Mo, W, V, Ta, Nb or Nd and the composite material has a mesh structure.
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公开(公告)号：US20230278886A1
公开(公告)日：2023-09-07
申请号：US18140637
申请日：2023-04-28
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Chongheng SHEN , Qi WU , Shuxing HUAN , Qiang CHEN , Na LIU
IPC: C01G53/04 , C01G53/00 , H01M50/204
CPC classification number: C01G53/04 , C01G53/006 , H01M50/204 , C01P2006/40 , C01P2006/80 , C01P2004/61 , C01P2004/80 , C01P2006/12 , C01P2002/74
Abstract: Embodiments of this application provide a ternary precursor material, a preparation method thereof, and a positive electrode active substance. A ternary precursor material may be provided in this application and may include a core and a shell, wherein (1) the core may have a molecular formula of NixCoyMn1-x-y(OH)2±a, where 0.8≤x
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