公开(公告)号：US20250070432A1

公开(公告)日：2025-02-27

申请号：US18945751

申请日：2024-11-13

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED

Inventor： Ou QIAN ,  Yao LI ,  Xiaobo CHEN ,  Jiajin CAI

IPC: H01M50/586 ,  H01M50/103 ,  H01M50/15 ,  H01M50/176 ,  H01M50/533

Abstract: This application relates to the battery field, and in particular, to a battery cell, a battery, and an electrical device. The battery cell of this application includes a housing, an electrode assembly, and an insulation layer. A mounting capacity is created inside the housing. The electrode assembly is disposed in the mounting cavity. The insulation layer is disposed between at least a part of the electrode assembly and the housing. In the technical solution of this application, the insulation layer is disposed between at least a part of the electrode assembly and the housing. When the housing incurs an insulation failure and generates an electrical arcing or arc, the electrical arcing or arc generated by the housing will not break down the insulation layer due to insulativity of the insulation layer, thereby protecting at least a part, disposed opposite to the insulation layer, of the electrode assembly.

公开(公告)号：US20250070419A1

公开(公告)日：2025-02-27

申请号：US18531591

申请日：2023-12-06

Applicant: AESC Japan Ltd.

Inventor： Hu Chen ,  Xingyu Cao ,  Gongwei Zhao

IPC: H01M50/557 ,  H01M50/15 ,  H01M50/176 ,  H01M50/562 ,  H01M50/566

Abstract: The disclosure provides an electrode lead-out member, a cover assembly, a secondary battery, and an electronic apparatus, and is related to the technical field of batteries. The electrode lead-out member 140 includes a connecting plate and an electrode terminal. The connecting plate includes a terminal connecting zone, a tab connecting zone, and a transitional connecting zone for connecting the terminal connecting zone and the tab connecting zone. The electrode terminal is connected to the terminal connecting zone. The transitional connecting zone is provided with at least one first recess, the first recess is recessed in a thickness direction of the connecting plate, and an inner contour of a sidewall of the first recess is located inside an outer contour of a sidewall of the connecting plate. Through this structure, a weight of the connecting plate is reduced, and mass energy density of a battery is improved.

公开(公告)号：US20250070408A1

公开(公告)日：2025-02-27

申请号：US18545085

申请日：2023-12-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Chan Ho LEE ,  Sang Hoon KIM ,  Kwang Soo BAE

IPC: H01M50/533 ,  H01M50/103 ,  H01M50/176 ,  H01M50/54

Abstract: A secondary battery includes: an electrode assembly including: first and second electrode plates respectively including a main tab close to an outer edge based on a center line in a longitudinal direction and a sub tab that is closer to the center line than to the outer edge; a first current collector electrically coupled to the first main tab and the first sub tab; a second current collector electrically coupled to the second main tab and the second sub tab; and a case configured to accommodate the electrode assembly, the first current collector, and the second current collector. The first main tab and the second sub tab have an asymmetric shape, and the second main tab and the second sub tab have an asymmetric shape.

公开(公告)号：US20250055155A1

公开(公告)日：2025-02-13

申请号：US18796954

申请日：2024-08-07

Applicant: Prime Planet Energy & Solutions, Inc.

Inventor： Kazuki OSHIMA ,  Ryoichi WAKIMOTO

IPC: H01M50/533 ,  H01G11/10 ,  H01G11/70 ,  H01G11/72 ,  H01G11/76 ,  H01G11/80 ,  H01M50/15 ,  H01M50/176 ,  H01M50/209 ,  H01M50/503 ,  H01M50/516 ,  H01M50/534 ,  H01M50/553 ,  H01M50/588 ,  H01M50/59

Abstract: The herein disclosed electric storage device 1 includes a case, an insulating material, and a current collector. The current collector is arranged to cover a terminal attachment hole via an insulating material 30, is joined to the insulating material. The current collector includes a terminal part exposed to an outer side of the case through the terminal attachment hole, and can be electrically connected to an outside member. Then, the terminal part is positioned at an inward more than an outer surface of the case. In accordance with such a configuration, it is possible to implement forming an electrically conductive passage to an outside of the case and hermetically sealing an inside of the case, and it is possible to enhance the loading efficiency of the electric product.

公开(公告)号：US20250038372A1

公开(公告)日：2025-01-30

申请号：US18918254

申请日：2024-10-17

Applicant: Zhuhai CosMX Battery Co., Ltd.

Inventor： Shuai DU ,  Yongwang WANG ,  Yuxiang ZENG

IPC: H01M50/536 ,  H01M50/103 ,  H01M50/176 ,  H01M50/533 ,  H01M50/55

Abstract: The present application provides a battery and an electronic device. The battery provided by the present application includes a battery cell, an outer shell assembly and a first connecting assembly. The outer shell assembly includes a pole and an outer shell, and the outer shell has an accommodate chamber, and the battery cell is disposed in the accommodate chamber. The first connecting assembly includes a first connector and a second connector, the first connector is connected to a tab of the battery cell, the second connector is connected to the pole, the first connector has a first engaging portion, the second connector has a second engaging portion, the first engaging portion and the second engaging portion are engaged with each other. The present application provides a battery and an electronic device, improving the production qualification rate of battery.

公开(公告)号：US20250023166A1

公开(公告)日：2025-01-16

申请号：US18902470

申请日：2024-09-30

Applicant: BYD COMPANY LIMITED

Inventor： Xinyue Wang ,  Wansong Yuan ,  Kai Li ,  Cuicui Wang

IPC: H01M50/184 ,  B60R16/04 ,  H01M50/103 ,  H01M50/119 ,  H01M50/176 ,  H01M50/188 ,  H01M50/548

Abstract: A battery, a battery pack, and a vehicle. The battery comprises: a battery casing; lead-out pieces and conductive pillars, the lead-out pieces being arranged in the battery casing, via holes allowing the conductive pillars to pass through being formed in the battery casing, the inner end of each conductive pillar being connected to a lead-out piece, and the outer end of each conductive pillar extending out of the battery casing; and sealing rings, the sealing rings being in sealed connection between the conductive pillars and the battery casing, the sealing rings being constructed to be elastic pieces, the initial size of each sealing ring in the axial direction thereof being d1, the size of each sealing ring compressed in the axial direction thereof being d2, and d1 and d2 meeting: 0.5≤d2/d1≤0.9.

公开(公告)号：US20240396130A1

公开(公告)日：2024-11-28

申请号：US18614863

申请日：2024-03-25

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Masahiro ISHIZUKA ,  Kosuke SUZUKI ,  Hideto MORI ,  Mitsuru TATEISHI ,  Shinya ISHIKAWA ,  Mari TARUTANI ,  Kenta KIMURA

IPC: H01M50/176 ,  H01M10/04 ,  H01M50/103 ,  H01M50/186 ,  H01M50/538

Abstract: A secondary battery includes: an electrode assembly including a stack of a plurality of positive electrodes and a plurality of negative electrodes with a separator in between, each of the plurality of positive electrodes including a positive-electrode current collecting foil, each of the plurality of negative electrodes including a negative-electrode current collecting foil; and an exterior package that accommodates part of the electrode assembly. The electrode assembly includes a positive-electrode current collecting bundle including a bundle of respective parts of a plurality of the positive-electrode current collecting foils, and a negative-electrode current collecting bundle including a bundle of respective parts of a plurality of the negative-electrode current collecting foils, and part of at least one collecting bundle of the positive-electrode current collecting bundle and the negative-electrode current collecting bundle extends to outside of the exterior package.

公开(公告)号：US12148955B2

公开(公告)日：2024-11-19

申请号：US17505560

申请日：2021-10-19

Applicant: Prime Planet Energy & Solutions, Inc.

Inventor： Tsuyoshi Ehara

IPC: H01M50/562 ,  H01M10/42 ,  H01M50/103 ,  H01M50/176 ,  H01M50/552

Abstract: A secondary battery herein disclosed includes a power generating element, a battery case, and an electrode terminal. The electrode terminal includes a terminal part, an external connection part, and a molding resin part. The terminal part is connected to the power generating element. The external connection part contacts with the terminal part. The molding resin part covers the periphery of the connection surface between the external connection part and the terminal part in a state where a part of the external connection part is exposed to outside. The external connection part includes a step part between an outer circumferential portion of a connection surface between the external connection part and the terminal part, and an exposed part exposed from the molding resin part to the outside. The molding resin part covers both the outer circumferential portion of the connection surface and the step part.

公开(公告)号：US20240380084A1

公开(公告)日：2024-11-14

申请号：US18691029

申请日：2022-09-09

Applicant: JIANGSU ZENERGY BATTERY TECHNOLOGIES CO., LTD.

Inventor： Shengli CHEN ,  Wuyuan ZOU ,  Bin JIANG ,  Zhikang WU ,  Xian ZHOU

IPC: H01M50/567 ,  H01M50/15 ,  H01M50/176 ,  H01M50/188 ,  H01M50/528

Abstract: Disclosed are a composite electrode terminal, a top cover and a battery, which relate to the technical field of batteries; the composite electrode terminal includes an inner electrode terminal and an outer electrode terminal; the inner electrode terminal is provided with a first fitting portion; the outer electrode terminal is provided with a second fitting portion fitting with the first fitting portion; one of the first fitting portion and the second fitting portion is a recessed groove, and the other of the first fitting portion and the second fitting portion is a protrusion; and when the first fitting portion is fitted with the second fitting portion, the circumferential edge of the protrusion is fitted with the circumferential edge of the inner wall of the recessed groove, and the end face of the protrusion is attached to the bottom of the recessed groove.

公开(公告)号：US20240372176A1

公开(公告)日：2024-11-07

申请号：US18775997

申请日：2024-07-17

Applicant: Pacesetter, Inc.

Inventor： Xiaofei Jiang

IPC: H01M50/103 ,  H01M50/121 ,  H01M50/15 ,  H01M50/159 ,  H01M50/176 ,  H01M50/193 ,  H01M50/202 ,  H01M50/55

Abstract: The battery includes an electrode assembly in an interior of an electrically insulating container. The electrode assembly includes one or more first electrodes alternated with one or more second electrodes. The container is positioned is in an interior of an electrically conducting battery case. The container being is constructed such that the battery case is not in electrical communication with the one or more first electrodes and the one or more second electrodes, and such that an electrolyte positioned in an interior of the container does not contact the battery case.