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公开(公告)号：US20190020024A1
公开(公告)日：2019-01-17
申请号：US16022762
申请日：2018-06-29
发明人： Lijuan WANG , Chaoyi ZHOU , Zhu'an YIN , Peng PENG , Daixiang YANG , Qianxin XIANG , Ming MEI , Lu LI
IPC分类号： H01M4/525 , H01M4/505 , H01M10/0525 , C01G53/00
CPC分类号： H01M4/525 , C01G53/50 , C01P2002/72 , C01P2004/03 , C01P2004/50 , C01P2006/12 , C01P2006/40 , H01M4/505 , H01M10/0525 , H01M2004/028
摘要： The present invention relates to a lithium ion cathode material and a lithium ion battery. The chemical formula of the cathode material is: LiaNixCoyMnzMbO2, wherein 1.0≤a≤1.2; 0.00≤b≤0.05; 0.30≤x≤0.60; 0.10≤y≤0.40; 0.15≤z≤0.30; x+y+z=1; M is one or two or more selected from the group consisting of Mg, Ti, Al, Zr, Y, W, Mn, Ba and rare earth elements; wherein the scanning electron microscope observation shows that, the cathode material consists of secondary particles agglomerated by 10 or less primary single crystal particles and secondary particles agglomerated by more than 10 primary single crystal particles, and wherein, the area percentage of the secondary particles agglomerated by 10 or less primary single crystal particles is greater than 80%, and the area percentage of the secondary particles agglomerated by more than 10 primary single crystal particles is less than or equal to 20%. The lithium battery prepared by the cathode material of the present invention has good cycling performance, the preparation method thereof is simple, and can be conveniently and massively produced.
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2.发明公开公开(公告)号：US20230352676A1
公开(公告)日：2023-11-02
申请号：US18140988
申请日：2023-04-28
发明人： Chaoyi ZHOU , Qianxin XIANG , Jinkai LI , Lu LI
IPC分类号： H01M4/525 , H01M4/505 , H01M10/054
CPC分类号： H01M4/525 , H01M4/505 , H01M10/054 , H01M2004/021
摘要： The present invention discloses a cathode material for a sodium ion battery and a preparation method and application thereof. The general chemical formula of the cathode material is Na1+aMyZnxO2+c, where −0.40≤a≤0.25, 0.1
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3.发明公开公开(公告)号：US20230307623A1
公开(公告)日：2023-09-28
申请号：US18090080
申请日：2022-12-28
发明人： Chaoyi ZHOU , Ye YU , Jin HUANG , Lijuan WANG , Qianxin XIANG , Lu LI , Ming MEI
IPC分类号： H01M4/505 , H01M10/0525 , H01M4/131 , H01M4/525 , C01G53/00
CPC分类号： H01M4/505 , H01M10/0525 , H01M4/131 , H01M4/525 , C01G53/70 , C01G53/50 , H01M2004/028
摘要： A high-nickel cathode material for lithium ion batteries and a preparation method and application thereof. The high-nickel cathode material contains elements shown in and constituting the chemical formula 1 thereof Li1+aNibMncAdO2, where 0.01≤a≤0.24, 0.79
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4.发明公开公开(公告)号：US20240021811A1
公开(公告)日：2024-01-18
申请号：US18222961
申请日：2023-07-17
发明人： Chaoyi ZHOU , Qianxin XIANG , Jinkai LI , Yang WU , Xingping WU
IPC分类号： H01M4/525 , H01M4/505 , H01M10/054 , C01B35/10
CPC分类号： H01M4/525 , H01M4/505 , H01M10/054 , C01B35/1027 , H01M2004/028
摘要： The present invention related to the technical field of sodium ion batteries, and particularly related to a mono-crystalline cathode material for sodium-ion battery and a preparation method and battery thereof. The mono-crystalline cathode material for sodium-ion battery has a chemical composition formula of Na1+aNi1−x−y−zMnxFeyMzO2, wherein −0.40≤a≤0.25, 0.08≤x≤0.5, 0.05≤y≤0.5, 0≤z≤0.26, the M is one or a combination of two or more selected from the group consisting of Ti, Zn, Co, Mn, Al, Zr, Y, Ca, Li, Rb, Cs, W, Ce, Mo, Ba, Mg, Ta, Nb, V, Sc, Sr, B, F, P or Cu elements. The mono-crystalline cathode material for sodium-ion battery has a specific chemical composition, a mono crystal morphology and good structural stability and integrity. Particle fragmentation can not be produced in the cyclic process, and meanwhile, the cyclic stability of the sodium-ion battery can be improved.
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5.发明申请公开(公告)号：US20200161633A1
公开(公告)日：2020-05-21
申请号：US16751337
申请日：2020-01-24
发明人： Chaoyi ZHOU , Lijuan WANG , Zhu'an YIN , Daixiang YANG , Qianxin XIANG , Ming MEI , Peng PENG
摘要： The present invention discloses a spherical or spherical-like lithium battery cathode material, a battery and preparation methods and applications thereof. The chemical formula of the cathode material is: LiaNixCoyMnzMbO2, wherein 1.0≤a≤1.2; 0.0
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6.发明公开公开(公告)号：US20240021807A1
公开(公告)日：2024-01-18
申请号：US18222957
申请日：2023-07-17
发明人： Chaoyi ZHOU , Qianxin XIANG , Lijuan WANG , Jin HUANG , Ye YU
IPC分类号： H01M4/505 , H01M10/054 , H01M4/525 , H01M4/131 , C01G53/00
CPC分类号： H01M4/505 , H01M10/054 , H01M4/525 , H01M4/131 , C01G53/50 , H01M2004/021
摘要： The present invention relates to a mono-crystalline cathode material for sodium-ion battery and a preparation method and application thereof. The mono-crystalline cathode material for a sodium ion battery contains the chemical formula of Na1+aNi1-x-y-z-cMnxFeyMzNcO2, wherein −0.40≤a≤0.25, 0.08≤x≤0.5, 0.05≤y≤0.5, 0≤z
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7.发明公开公开(公告)号：US20230187626A1
公开(公告)日：2023-06-15
申请号：US17967262
申请日：2022-10-17
发明人： Chaoyi ZHOU , Qianxin XIANG , Jin HUANG , Ye YU , Lijuan WANG , Yang WU , Ansheng HU
IPC分类号： H01M4/505 , C01G53/00 , H01M10/0525 , H01M4/525 , H01M4/131
CPC分类号： H01M4/505 , C01G53/50 , H01M10/0525 , H01M4/525 , H01M4/131 , C01P2006/40 , C01P2002/54 , C01P2006/16 , C01P2006/12 , H01M2004/028
摘要： The cathode material of the invention has a porous structure, wherein the pore volume of mesoporous with pore diameter of 2-20 nm accounts for 90% or more of the total pore volume. As compared with conventional lithium-ion battery cathode material, the lithium-ion battery cathode material of the present invention contains mainly mesopores, and the pore size of mesopores is mostly in the range of 2-20 nm.
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8.发明公开公开(公告)号：US20240363838A1
公开(公告)日：2024-10-31
申请号：US18636663
申请日：2024-04-16
发明人： Jin HUANG , Ye YU , Lijuan WANG , Chaoyi ZHOU , Qianxin XIANG , Shiyun DENG , Jing WEI , Xianjin WANG
CPC分类号： H01M4/366 , C01G53/50 , H01M4/483 , H01M4/525 , H01M4/5825 , H01M10/0525 , C01P2004/03 , C01P2004/84 , C01P2006/40 , H01M2004/028
摘要： Double-coated high-nickel lithium-ion cathode material, including a cathode material substrate, a first coating layer coated on a surface of the cathode material substrate, and a second coating layer coated on a surface of the first coating layer; wherein the first coating layer and the second coating layer are prepared by successively coating the cathode material substrate with a metal oxide and a boron-containing compound. The high-nickel cathode material for lithium-ion batteries of the present invention has a stable structure and interface, is relatively stable in the air, and is convenient for large-scale production. The prepared battery has low gas production and high safety.
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9.发明公开公开(公告)号：US20240079577A1
公开(公告)日：2024-03-07
申请号：US18241023
申请日：2023-08-31
发明人： Chaoyi ZHOU , Qianxin XIANG , Yang WU , Jinkai LI , Xingping WU , Ran GU
IPC分类号： H01M4/505 , C01G53/00 , H01M4/131 , H01M4/525 , H01M10/054
CPC分类号： H01M4/505 , C01G53/50 , H01M4/131 , H01M4/525 , H01M10/054 , H01M2004/028
摘要： A cathode material for a sodium ion battery having a coating structure having chemical formula: Na1+aNixMnyFezAmBnO2, where −0.35≤a≤0.20, 0.08
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10.发明公开公开(公告)号：US20230352675A1
公开(公告)日：2023-11-02
申请号：US18140916
申请日：2023-04-28
发明人： Chaoyi ZHOU , Qianxin XIANG
IPC分类号： H01M4/525 , H01M10/054 , H01M4/131 , H01M4/505 , C01G53/00
CPC分类号： H01M4/525 , H01M10/054 , H01M4/131 , H01M4/505 , C01G53/66 , H01M2004/028
摘要： The present invention discloses a cathode material for a sodium ion battery and a preparation method and application thereof. The cathode material has a general chemical formula of Na1+aNi1−x−y−zMnxFeyAzO2, where −0.40≤a≤0.25, 0.08
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