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公开(公告)号：US10658644B2
公开(公告)日：2020-05-19
申请号：US16133953
申请日：2018-09-18
Applicant: Ningde Amperex Technology Limited
Inventor： Hongzhan Yang , Jing Jiang , Qiao Zeng , Kefei Wang
Abstract: Embodiments of the present application disclose a battery to reduce the volume of the battery, improve the energy density of the battery, and further improve the bottom molding effect of the battery, as well as the safety performance and service life of the battery. The battery comprises an electrode assembly and a package film for packaging the electrode assembly, the package film including a folding portion, the folding portion including a first segment attached to the end face of the electrode assembly and a second segment connected to the first segment. The first segment is arranged between the second segment and the electrode assembly, and the second segment includes a multilayer package films.
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公开(公告)号：US20250125455A1
公开(公告)日：2025-04-17
申请号：US18991852
申请日：2024-12-23
Applicant: Ningde Amperex Technology Limited
Inventor： Hongzhan Yang , Qiao Zeng , Dongyang Yan
IPC: H01M50/109 , H01M10/04 , H01M10/0587 , H01M50/503
Abstract: A button cell includes an electrode assembly, a first housing, and a second housing, where the first housing and the second housing are connected and mated to form an accommodating space. The electrode assembly is disposed in the accommodating space. The first housing includes a first bottom wall and a first side wall connected to the first bottom wall. The first bottom wall is provided with a groove. A size of the first bottom wall in a first direction is T μm, and a size of the groove in the first direction is H μm, where 0.1T≤H≤0.7T and the first direction is perpendicular to the first bottom wall.
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公开(公告)号：US20190319247A1
公开(公告)日：2019-10-17
申请号：US16133953
申请日：2018-09-18
Applicant: Ningde Amperex Technology Limited
Inventor： Hongzhan Yang , Jing Jiang , Qiao Zeng , Kefei Wang
Abstract: Embodiments of the present application disclose a battery to reduce the volume of the battery, improve the energy density of the battery, and further improve the bottom molding effect of the battery, as well as the safety performance and service life of the battery. The battery comprises an electrode assembly and a package film for packaging the electrode assembly, the package film including a folding portion, the folding portion including a first segment attached to the end face of the electrode assembly and a second segment connected to the first segment. The first segment is arranged between the second segment and the electrode assembly, and the second segment includes a multilayer package films.
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