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公开(公告)号：US11962007B2
公开(公告)日：2024-04-16
申请号：US18179650
申请日：2023-03-07
发明人： Liangfan Xu , Xing Li , Haizu Jin
IPC分类号： H01M4/525 , H01M4/131 , H01M4/505 , H01M10/0525 , H01M4/02
CPC分类号： H01M4/525 , H01M4/131 , H01M4/505 , H01M10/0525 , H01M2004/021 , H01M2004/028 , H01M2220/20
摘要： The disclosure relates to the field of electrochemistry, and in particular to a lithium-ion secondary battery, a battery module, a battery pack, and a powered device. A lithium-ion secondary battery, includes a bare cell accommodating cavity in which a bare cell group including one or more bare cells A and one or more bare cells B is arranged, wherein the bare cell A includes a first positive electrode sheet including a first positive-electrode active material selected from a single crystal or single crystal-like low-nickel ternary positive electrode material A1, the bare cell B includes a second positive electrode sheet including a second positive-electrode active material and/or a third positive-electrode active material, the second positive-electrode active material is selected from a polycrystalline high-nickel ternary positive electrode material B1, and the third positive-electrode active material is selected from a polycrystalline low-nickel ternary positive electrode material B2.
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2.发明公开公开(公告)号：US20240055693A1
公开(公告)日：2024-02-15
申请号：US18494733
申请日：2023-10-25
发明人： Wenlin Zhou , Liangfan Xu , Wenwei Chen , Xing Li , Quankun Li
IPC分类号： H01M10/653 , H01M50/103 , H01M50/15 , H01M50/474 , H01M50/477 , H01M10/04
CPC分类号： H01M10/653 , H01M50/103 , H01M50/15 , H01M50/474 , H01M50/477 , H01M10/049 , H01M10/0404
摘要： Provided are a battery cell, a battery, a power consuming apparatus, and a method and apparatus for manufacturing the battery cell, relating to the technical field of batteries. The battery cell includes a housing, an electrode assembly, an end cap, an insulator and a thermally conductive member. The housing is provided with an opening. The electrode assembly is configured to be accommodated in the housing. The end cap is configured to cover the opening. The insulator is located on the side of the end cap facing the electrode assembly, and the insulator is configured to isolate the end cap from the electrode assembly. The thermally conductive member is embedded in the insulator, and the thermally conductive member is configured to be attached to the end cap. Heat generated by the electrode assembly may be transferred to the end cap through the thermally conductive member.
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3.发明公开公开(公告)号：US20230223669A1
公开(公告)日：2023-07-13
申请号：US18149674
申请日：2023-01-04
发明人： Wenlin Zhou , Shengwang Chen , Liangfan Xu , Quankun Li , Xing Li
IPC分类号： H01M50/586 , H01M50/103 , H01M50/593 , H01M50/15 , H01M50/209 , H01M10/04
CPC分类号： H01M50/586 , H01M50/103 , H01M50/593 , H01M50/15 , H01M50/209 , H01M10/0404 , H01M2220/20 , H01M2200/00
摘要： A battery cell, a battery, an electrical device, and a method and device for manufacturing the battery cell. In some embodiments, the battery cell comprises a battery core, a shell, an end cover, and a first insulating component. The battery core comprises a main body part and electrode tabs protruding from the main body part. The shell has a first opening and is configured to accommodate the battery core. The end cover is configured to cover the first opening. The first insulating component comprises an insulating main body and an insulating part, wherein the insulating main body is located on a side, facing the electrode tabs, of the end cover, and the insulating main body is configured to isolate the battery core from the end cover.
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公开(公告)号：US20240347824A1
公开(公告)日：2024-10-17
申请号：US18754203
申请日：2024-06-26
发明人： Wenlin Zhou , Liangfan Xu , Daowei Yang , Jian Zhou , Quankun Li , Peng Wang
IPC分类号： H01M50/15 , H01M50/103 , H01M50/131 , H01M50/553
CPC分类号： H01M50/15 , H01M50/103 , H01M50/131 , H01M50/553
摘要： Provided are an end cover assembly, a battery cell, a battery, and an electrical device, relating to the field of batteries. The end cover assembly includes an end cover, a groove, and a reinforcing portion. The end cover has a first surface and a second surface opposite in its thickness direction. The groove is recessed from the first surface in a direction towards the second surface. The reinforcing portion protrudes from the first surface and/or the second surface, and surrounds the groove.
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公开(公告)号：US20240332762A1
公开(公告)日：2024-10-03
申请号：US18739347
申请日：2024-06-11
发明人： Liangfan Xu , Wenlin Zhou , Qianqian Zhang , Xing Li , Quankun Li , Shaojun Niu , Haizu Jin
IPC分类号： H01M50/59 , H01M10/42 , H01M50/103 , H01M50/15 , H01M50/586
CPC分类号： H01M50/59 , H01M10/4235 , H01M50/103 , H01M50/15 , H01M50/586
摘要： A battery cell, a battery and an electricity-consuming apparatus are provided by the present application. The battery cell includes an electrode assembly including an electrode main body that includes an electrode sheet and a separator stacked with each other, and an electrode tab extending from an end face of the electrode main body; and an infiltrating film including a first end and a second end arranged opposite to each other in a length direction thereof, in which the second end is connected to the separator, and the first end extends beyond the electrode main body.
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6.发明授权公开(公告)号：US12009547B2
公开(公告)日：2024-06-11
申请号：US17564598
申请日：2021-12-29
发明人： Wenlin Zhou , Yulian Zheng , Xinxiang Chen , Liangfan Xu , Peng Wang , Haizu Jin
IPC分类号： H01M50/00 , H01M50/147 , H01M50/536
CPC分类号： H01M50/536 , H01M50/147 , H01M2220/20
摘要： The embodiments of this application provide a battery cell, a battery, an electrical device, and a battery cell manufacturing method and device, which pertains to the technical field of batteries. The battery cell includes an electrode assembly, a housing, an end cover assembly, and a support piece. The electrode assembly includes a main body and tabs. The housing has an opening and is used to accommodate the electrode assembly. The end cover assembly is used to cover the opening. The support piece is located between the main body and the end cover assembly, the tabs are bent around the support piece, and the support piece is configured to prevent the main body from moving along a direction facing the end cover assembly.
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