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公开(公告)号：EP4329011A1
公开(公告)日：2024-02-28
申请号：EP22940491.8
申请日：2022-06-24
发明人： HE, Shunli , LIANG, Zibin , WANG, Yuhao , LIN, Wenguang , LI, Qiang , ZHANG, Xinxin , HE, Jinhua
IPC分类号： H01M4/525
摘要： An electrode active material is provided. The electrode active material includes a layered metal oxide having a general formula Na x Zn a Ni b Mn c M1 d O 2 M2 e , where 0.6 ≤ x ≤ 0.85, 0.95 ≤ a + b + c + d ≤ 1.05, 0 ≤ d ≤ 0.05, and 0 ≤ e ≤ 0.067, and where 0.04 ≤ a/c ≤ 0.1 and 0.23 ≤ b/c ≤ 0.45. M1 is selected from at least one of alkaline earth metal elements, transition metal elements, and alkali metal elements other than Zn, Ni, and Mn, and M2 is selected from non-metallic elements other than O.
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公开(公告)号：EP4322260A1
公开(公告)日：2024-02-14
申请号：EP22936053.2
申请日：2022-06-24
发明人： HE, Shunli , LIANG, Zibin , WANG, Yuhao , LI, Qiang , LIN, Wenguang , ZHANG, Xinxin , HE, Jinhua
IPC分类号： H01M4/505
摘要： This application provides an electrode active material including a layered metal oxide. The layered metal oxide has the following general formula: Na x M1 a M2 b Mn 1 - a - b O 2 - z F z ; where 0.55 ≤ x ≤ 0.85, a ≥ 0, b ≥ 0, 0.1 ≤ a + b ≤ 0.33, and 0.06 ≤ z/(1 - a - b)
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公开(公告)号：EP4235863A1
公开(公告)日：2023-08-30
申请号：EP21964278.2
申请日：2021-12-29
发明人： LI, Qiang , WANG, Yuhao , LIN, Wenguang , LIANG, Zibin , HE, Shunli , HE, Jinhua
摘要： This application provides a positive active material for use in a sodium-ion battery, a method for preparing same, a positive electrode plate containing same, a sodium-ion battery, and an electrical device. The method for preparing a positive active material for use in a sodium-ion battery includes the following steps: mixing a positive active material for use in a sodium-ion battery with, and causing the positive active material to react with, a washing solution at a temperature of T 1, and filtering and drying a product of the reaction to obtain a washed positive active material for use in a sodium-ion battery, where the washing solution is deionized water or an acidic solution with a pH value lower than 7.0, and 0 °C ≤ T1
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公开(公告)号：EP4336592A1
公开(公告)日：2024-03-13
申请号：EP22937666.0
申请日：2022-07-14
发明人： LIANG, Zibin , WANG, Yuhao , LIN, Wenguang , ZHANG, Xinxin , HE, Jinhua
IPC分类号： H01M4/485
摘要： The present application provides a positive electrode active material and the preparation thereof, a secondary battery, a battery module, a battery pack, and electrical device. The positive electrode active material of the present application comprises a layered sodium composite oxide containing antimony having a chemical formula of Formula I, Na x Mn a Fe b Ni c Sb d L e O 2 (I), in which 0.7
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公开(公告)号：EP4235897A1
公开(公告)日：2023-08-30
申请号：EP21956968.8
申请日：2021-12-29
发明人： LIANG, Zibin , LI, Qiang , WANG, Yuhao , ZHANG, Xinxin , HE, Jinhua
IPC分类号： H01M10/054 , H01M4/50 , H01M4/52
摘要： This application provides a layered-oxide positive electrode active material and a positive electrode plate, a sodium-ion battery, and an electric apparatus containing the same. The layered-oxide positive electrode active material has a molecular formula of Na x Mn a Fe b Ni c M d N e O 2-δ Q f , where a doping element M is selected from at least one of Cu, Li, Ti, Zr, K, Sb, Nb, Mg, Ca, Mo, Zn, Cr, W, Bi, Sn, Ge, or Al, a doping element N is selected from at least one of Si, P, B, S, or Se, a doping element Q is selected from at least one of F, Cl, or N, 0.66≤x≤1, 0
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6.发明公开
公开(公告)号：EP4407711A1
公开(公告)日：2024-07-31
申请号：EP22961212.2
申请日：2022-10-18
发明人： LI, Qiang , LIANG, Zibin , WANG, Yuhao , CHENG, Weiming , HE, Jinhua
CPC分类号： H01M4/36 , H01M4/505 , H01M10/056 , H01M2004/02120130101 , H01M4/0423 , H01M4/381 , H01M2004/02820130101 , H01M4/366 , H01M4/62 , H01M4/525 , H01M4/131 , H01M4/0471 , H01M10/054 , H01M4/1391 , H01M4/5825 , H01M4/136 , H01M4/1397 , H01M4/58
摘要： This application provides a positive electrode material, a preparation method of the positive electrode material, a positive electrode plate, a secondary battery, and an electrical device. The positive electrode material includes: a sodium-containing positive electrode material substrate; and a coating layer, covering at least a part of a surface of the sodium-containing positive electrode material substrate. The coating layer includes NaxMyO2, where M includes at least one of B, Si, or P, x > 0, and y > 0.
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公开(公告)号：EP4307420A1
公开(公告)日：2024-01-17
申请号：EP22930175.9
申请日：2022-05-31
发明人： LIANG, Zibin , WANG, Yuhao , LIN, Wenguang , ZHANG, Xinxin , HE, Jinhua
IPC分类号： H01M10/054 , H01M4/525
摘要： The present application provides a layered oxide and a preparation method thereof, a positive electrode sheet, a secondary battery, a battery module, a battery pack and an electrical apparatus. The layered oxide includes an oxide with the general formula Na x Mn y A a Q b C c O 2 , where A is one or two of Fe and Ni; Q is one or more of transition metal elements containing 3d or 4d orbital electrons except Fe and Ni; C is one or two of Al and B, 0.66
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