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公开(公告)号：US20240204255A1
公开(公告)日：2024-06-20
申请号：US18407482
申请日：2024-01-09
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Jingxuan Sun , Qian Liu , Quanguo Li , Zeli Wu , Yiming Qin , Jiahua Chen , Dejun Xiao
IPC: H01M10/0568 , C07F5/04 , C07F7/04
CPC classification number: H01M10/0568 , C07F5/04 , C07F7/04 , H01M2300/0037
Abstract: The present application relates to an ionic compound, an electrolyte solution, a secondary battery and an electrical apparatus, wherein the ionic compound is represented by formula (1); wherein each R1 is independently selected from alkyl having 1-10 carbon atoms substituted with fluorine or aryl having 6-30 carbon atoms substituted with fluorine, respectively; wherein any two adjacent —OR1 groups and A− can form a ring through the carbon atom in each R1 as a site of attachment; A− represents B− or Si−, and Y+ represents a sodium ion or a potassium ion. The ionic compound can improve the cycling performance of secondary batteries such as sodium-ion batteries and potassium-ion batteries.
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公开(公告)号：US20240297419A1
公开(公告)日：2024-09-05
申请号：US18665584
申请日：2024-05-16
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Chunpeng Yu , Quanguo Li , Qian Liu , Yonghuang Ye , Dejun Xiao
IPC: H01M50/533 , H01M10/04 , H01M50/249 , H01M50/538 , H01M50/553 , H01M50/593
CPC classification number: H01M50/533 , H01M10/0431 , H01M50/249 , H01M50/538 , H01M50/553 , H01M50/593
Abstract: Provided are an electric device, a battery, and a battery unit and a manufacturing method. The battery unit includes a housing, electrode terminals, multiple battery cells, and current collecting members. The electrode terminals are provided at the top of the housing. The multiple battery cells are accommodated within the housing. At least two of the battery cells have different heights, and the current collecting members are provided within an accommodation space formed by a main body of a shortest battery cell and the top of the housing. The battery includes the foregoing battery unit. The electric device includes the foregoing battery. The manufacturing method of the battery unit includes providing current collecting members within an accommodation space formed by a main body of a shortest battery cell and the top of the housing. The electric device, battery, and battery unit and manufacturing method thereof improve space utilization and energy density.
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Patent Agency Ranking
公开(公告)号：US12034155B1
公开(公告)日：2024-07-09
申请号：US18426295
申请日：2024-01-29
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Dejun Xiao , Jiahua Chen , Qian Liu , Quanguo Li , Jingxuan Sun
CPC classification number: H01M4/366 , H01M4/623 , H01M4/625 , H01M10/286 , H01M2004/021 , H01M2220/20
Abstract: The present application relates to a secondary battery, which includes: a cathode sheet, an anode sheet, and an electrolyte; the cathode sheet includes a cathode film layer containing a cathode active material, and the anode sheet includes an anode film layer containing an anode active material; and the secondary battery meets a following function relationship: 0.22≤3×(A1/A2)×(B2−B1)/(B1+B2)≤1.55, the parameters are referred to the description; and an electrical device including the secondary battery. The secondary battery in the present application has both good cycle life and excellent fast charging capacity.
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公开(公告)号：US20250070321A1
公开(公告)日：2025-02-27
申请号：US18945562
申请日：2024-11-13
Applicant: JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITED , CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Quanguo Li , Qian Liu , Yonghuang Ye , Chunpeng Yu , Jingxuan Sun , Dejun Xiao , Jiahua Chen
IPC: H01M10/658 , H01M10/054 , H01M50/213 , H01M50/244 , H01M50/342 , H01M50/503 , H01M50/509
Abstract: The present application relates to the technical field of batteries, and discloses a battery and a power consuming device. The battery includes: a plurality of first battery cells and a plurality of second battery cells, at least one of the second battery cells being provided between any two of the first battery cells, and any one of the second battery cells being adjacent to at least one of the second battery cells; wherein the thermal stability of the second battery cell is higher than the thermal stability of the first battery cell. With the technical solution of the present application, the risk of the spread of thermal runaway of the battery can be reduced, and thus the safety of the battery can be enhanced.
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公开(公告)号：US20250006927A1
公开(公告)日：2025-01-02
申请号：US18882759
申请日：2024-09-12
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Quanguo Li , Qian Liu , Yonghuang Ye , Chunpeng Yu , Jingxuan Sun , Jiahua Chen , Dejun Xiao
IPC: H01M4/583 , H01M4/02 , H01M10/054
Abstract: The present application provides a sodium-ion battery, a battery module, a battery pack, and an electrical device. The sodium-ion battery includes a positive electrode plate, a negative electrode plate, and a separator; the positive electrode plate includes a positive electrode current collector and a positive electrode active material layer arranged on at least one surface of the positive electrode current collector, the negative electrode plate includes a negative electrode current collector and a negative electrode active material layer arranged on at least one surface of the negative electrode current collector, and the separator is arranged between the positive electrode plate and the negative electrode plate; the positive electrode active material layer has a porosity denoted as α, the negative electrode active material layer has a porosity denoted as β, and the separator has a porosity denoted as γ, which satisfy 0≤(β−α)/γ≤1.5, and α≤γ.
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公开(公告)号：US20240213453A1
公开(公告)日：2024-06-27
申请号：US18426295
申请日：2024-01-29
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Dejun Xiao , Jiahua Chen , Qian Liu , Quanguo Li , Jingxuan Sun
CPC classification number: H01M4/366 , H01M4/623 , H01M4/625 , H01M10/286 , H01M2004/021 , H01M2220/20
Abstract: The present application relates to a secondary battery, which includes: a cathode sheet, an anode sheet, and an electrolyte; the cathode sheet includes a cathode film layer containing a cathode active material, and the anode sheet includes an anode film layer containing an anode active material; and the secondary battery meets a following function relationship: 0.22≤3×(A1/A2)×(B2−B1)/(B1+B2)≤1.55, the parameters are referred to the description; and an electrical device including the secondary battery. The secondary battery in the present application has both good cycle life and excellent fast charging capacity.
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公开(公告)号：US20240204165A1
公开(公告)日：2024-06-20
申请号：US18416905
申请日：2024-01-19
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Quanguo Li , Qian Liu , Yonghuang Ye , Jiahua Chen , Jingxuan Sun , Dejun Xiao
IPC: H01M4/133 , H01M4/02 , H01M4/587 , H01M10/054 , H01M10/0567 , H01M10/0569
CPC classification number: H01M4/133 , H01M4/587 , H01M10/054 , H01M10/0567 , H01M10/0569 , H01M2004/021 , H01M2004/027 , H01M2300/0037
Abstract: The present application relates to a negative electrode plate, a sodium ion battery, a power consuming device and the use, wherein the negative electrode plate comprises a negative electrode active material. The negative electrode active material comprises a hard carbon, wherein 0.6 μg/m≤(Dv99+Dv50)/(2×B)≤5 μg/m, wherein Dv99 and Dv50 represent a particle size corresponding to a cumulative volume distribution percentage of the negative electrode active material reaching 99% and 50%, respectively; and B represents the specific surface area of the negative electrode plate.
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