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公开(公告)号：US20240194867A1
公开(公告)日：2024-06-13
申请号：US18411049
申请日：2024-01-12
发明人： Zibin Liang , Yuhao Wang , Wenguang Lin , Xinxin Zhang , Jinhua He
IPC分类号： H01M4/505 , C01G53/00 , H01M4/02 , H01M4/525 , H01M10/054
CPC分类号： H01M4/505 , C01G53/50 , C01G53/66 , H01M4/525 , C01P2002/20 , C01P2002/72 , C01P2002/76 , C01P2002/78 , C01P2006/10 , C01P2006/11 , C01P2006/12 , C01P2006/40 , H01M2004/021 , H01M10/054
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, NaxMnaFebNicSbdLeO2 (I), in which 0.7
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公开(公告)号：US20210167375A1
公开(公告)日：2021-06-03
申请号：US17172060
申请日：2021-02-09
发明人： Liting Huang , Qian Liu , Chengdu Liang , Yongsheng Guo , Wenguang Lin , Jiadian Lan
IPC分类号： H01M4/505 , H01M4/525 , H01M10/054
摘要： A positive electrode active material and a preparation process thereof, a sodium ion battery (5) and an apparatus containing the sodium ion battery (5) are described, the positive electrode active material satisfying the chemical formula of Na0.67MnxAyBzO2±δ, in which A is selected from one or more of Co, Ni and Cr, B is selected from one or more of Mg, Al, Ca, Ti, Cu, Zn and Ba, 0.6 0, x+y+z=1, 0≤δ≤0.1, and (I) 3 . 3 3 + 2 ( δ - y - z ) 4
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公开(公告)号：US11196046B2
公开(公告)日：2021-12-07
申请号：US17172060
申请日：2021-02-09
发明人： Liting Huang , Qian Liu , Chengdu Liang , Yongsheng Guo , Wenguang Lin , Jiadian Lan
IPC分类号： H01M4/505 , H01M4/525 , H01M10/054 , H01M4/02
摘要： A positive electrode active material and a preparation process thereof, a sodium ion battery (5) and an apparatus containing the sodium ion battery (5) are described, the positive electrode active material satisfying the chemical formula of Na0.67MnxAyBzO2±δ, in which A is selected from one or more of Co, Ni and Cr, B is selected from one or more of Mg, Al, Ca, Ti, Cu, Zn and Ba, 0.6 0, x+y+z=1, 0≤δ≤0.1, and (I) 3 . 3 3 + 2 ( δ - y - z ) 4
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公开(公告)号：US20210336262A1
公开(公告)日：2021-10-28
申请号：US17371207
申请日：2021-07-09
发明人： Qian LIU , Wenguang Lin , Chengdu Liang , Yongsheng Guo
IPC分类号： H01M4/525 , H01M10/054 , H01M4/505
摘要： The present application discloses a positive electrode active material and its preparation method, a sodium ion battery and an apparatus containing the sodium ion battery. The positive electrode active material satisfies a chemical formula of Na1-xCuhFekMnlMmO2-y wherein M is one or more selected from Li, Be, B, Mg, Al, K, Ca, Ti, Co, Ni, Zn, Ga, Sr, Y, Nb, Mo, In, Sn, and Ba, 0
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公开(公告)号：US20240088376A1
公开(公告)日：2024-03-14
申请号：US18515305
申请日：2023-11-21
发明人： Zibin Liang , Yuhao Wang , Wenguang Lin , Xinxin Zhang , Jinhua He
CPC分类号： H01M4/505 , C01G53/50 , H01M4/131 , H01M4/525 , H01M2004/028
摘要： Provided are 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 NaxMnyAaQbCcO2, 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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公开(公告)号：US20210336258A1
公开(公告)日：2021-10-28
申请号：US17371231
申请日：2021-07-09
发明人： Qian LIU , Yongsheng Guo , Chengdu Liang , Wenguang Lin
IPC分类号： H01M4/505 , H01M4/525 , H01M4/04 , H01M10/054
摘要： The present application discloses a positive electrode active material and its preparation method, a sodium ion battery and an apparatus containing the sodium ion battery. The positive electrode active material satisfies a chemical formula Na2+xCuhMnkMlO7−y, wherein M is one or more selected from Li, B, Mg, Al, K, Ca, Ti, V, Cr, Fe, Co, Ni, Zn, Ga, Sr, Y, Nb, Mo, Sn, Ba and W, 0≤x≤0.5, 0.1
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公开(公告)号：US20210359335A1
公开(公告)日：2021-11-18
申请号：US17391064
申请日：2021-08-02
发明人： Qian LIU , Yongsheng Guo , Chengdu Liang , Wenguang Lin , Gang Wang
摘要： The present application discloses a sodium-ion battery and an apparatus comprising the same. The sodium-ion battery comprises a positive electrode plate and a negative electrode plate; the positive electrode plate comprises a positive electrode current collector and a positive electrode active material layer, the positive electrode active material layer comprises a positive electrode active material; the negative electrode plate comprises a negative electrode current collector and a negative electrode active material layer, the negative electrode active material layer comprises a negative electrode active material, and the negative electrode active material is hard carbon; wherein a ratio of a median particle size A of the positive electrode active material to a median particle size B of the negative electrode active material satisfies 0.05≤A/B≤3.
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公开(公告)号：US20240162438A1
公开(公告)日：2024-05-16
申请号：US18420795
申请日：2024-01-24
发明人： Shunli He , Zibin Liang , Yuhao Wang , Wenguang Lin , Qiang Li , Xinxin Zhang , Jinhua He
CPC分类号： H01M4/525 , H01M4/366 , H01M4/505 , H01M4/582 , H01M10/052 , H01M2004/028
摘要： An electrode active material is provided. The electrode active material includes a layered metal oxide having a general formula NaxZnaNibMncM1dO2M2e, 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：US20240047756A1
公开(公告)日：2024-02-08
申请号：US18489849
申请日：2023-10-19
发明人： Xiaolong Li , Xinxin Zhang , Wenguang Lin , Xiaoxia Chen , Ben Liu , Shikang Yao , Jiadian Lan
IPC分类号： H01M10/0569 , H01M10/625 , H01M10/0585 , H01M4/133 , H01M50/103 , H01M50/209 , H01M50/249
CPC分类号： H01M10/0569 , H01M10/625 , H01M10/0585 , H01M4/133 , H01M50/103 , H01M50/209 , H01M50/249
摘要： This application relates to a secondary battery, a battery module, a battery pack, and an electric apparatus. The secondary battery includes: a negative electrode plate including a negative electrode current collector and a negative electrode film layer disposed on the negative electrode current collector, the negative electrode film layer containing a carbon material; a positive electrode plate including a positive electrode current collector and a positive electrode active material layer disposed on the positive electrode current collector, the positive electrode active material layer containing a sodium-ion active material; and an electrolyte disposed between the negative electrode plate and the positive electrode plate, the electrolyte containing sodium salt and lithium salt.
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公开(公告)号：US20240030426A1
公开(公告)日：2024-01-25
申请号：US18472245
申请日：2023-09-22
发明人： Qiang Li , Yuhao Wang , Wenguang Lin , Zibin Liang , Shunli He , Jinhua He
IPC分类号： H01M4/505 , H01M10/054 , C01G49/00
CPC分类号： H01M4/505 , H01M10/054 , C01G49/0072 , C01P2002/50 , C01P2006/40 , C01P2002/20 , C01P2004/03 , C01P2002/72
摘要： Provided are 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 T1, 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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