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公开(公告)号：US20240405355A1
公开(公告)日：2024-12-05
申请号：US18778930
申请日：2024-07-20
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Pengcheng Yao , Decai Zhu , Xingdi Chen
IPC: H01M50/358 , H01M50/209 , H01M50/249 , H01M50/271 , H01M50/317 , H01M50/342 , H01M50/367
Abstract: A battery, an electric device, and a manufacturing method and manufacturing device for the battery are provided. The battery includes at least one battery cell, a box body having a bottom wall, at least one box cover and at least one pressure release mechanism. The at least one box cover and the box body, arranged in a first direction, define together an accommodation space for accommodating the battery cells. The at least one box cover and the bottom wall are arranged opposite to each other in the first direction. The at least one pressure release mechanism is installed on the bottom wall, and configured to be activated when the pressure or temperature in the accommodation space reaches a threshold value, to release the pressure in the accommodation space. Projections of the pressure release mechanism and the battery cell do not overlap in a plane perpendicular to the first direction.
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公开(公告)号：US12062814B2
公开(公告)日：2024-08-13
申请号：US17559591
申请日：2021-12-22
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Yongguang Wang , Kaijie You , Xingdi Chen , Yu Tang , Zhichao Wang
IPC: H01M50/536 , H01M10/04 , H01M50/209 , H01M50/333 , H01M50/502 , H01M50/533
CPC classification number: H01M50/536 , H01M10/0413 , H01M50/209 , H01M50/502 , H01M50/533 , H01M2220/20
Abstract: This application discloses a soft-pack battery module, including at least two battery stack layers stacked in a thickness direction of battery cells, where each battery stack layer includes a battery cell and a connecting piece connected to a tab of the battery cell, the connecting piece includes a first section and a second section, the first section is connected to the tab, the second section is connected to the first section, the second section is arranged by a side of the first section, the second section extends toward a large surface of the battery cell and covers at least a part of the large surface of the battery cell, and an insulating material is provided on a side of the second section away from the large surface of the battery cell.
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公开(公告)号：US12015164B2
公开(公告)日：2024-06-18
申请号：US17129629
申请日：2020-12-21
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Xingdi Chen , Yuepan Hou , Kaijie You , Linggang Zhou , Peng Wang , Yanan Peng
IPC: H01M50/209 , H01M50/514 , H01M50/536 , H01M50/538 , H01M50/531
CPC classification number: H01M50/209 , H01M50/514 , H01M50/536 , H01M50/538 , H01M50/531
Abstract: This application relates to a battery module and a battery pack. The battery module includes a binding member and battery cell assemblies arranged along a horizontal direction, the battery cell assembly including an upper-layer battery cell and a lower-layer battery cell that are stacked along a vertical direction, the upper-layer battery cell and the lower-layer battery cell interconnected and forming a joint; and the binding member covering the joint, located between two adjacent battery cell assemblies, and fixed to the battery cell assemblies. The battery module includes a binding member and a plurality of battery cell assemblies, and the battery cell assembly includes upper-layer and a lower-layer battery cells stacked along a vertical direction. A joint is formed between the upper-layer and lower-layer battery cells and covered by the joint fixed to the battery cell assemblies, swelling of the upper-layer and lower-layer battery cells at the joint is reduced.
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公开(公告)号：US12002996B2
公开(公告)日：2024-06-04
申请号：US17167967
申请日：2021-02-04
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Yu Tang , Mingdi Xie , Zhanyu Sun , Kaijie You , Xingdi Chen , Long Li
IPC: H01M50/519 , H01M50/526 , H01M50/531 , H01M50/591
CPC classification number: H01M50/519 , H01M50/526 , H01M50/531 , H01M50/591
Abstract: A battery module, a battery pack, a device using a battery module as a power source, and a method of manufacturing a battery module are provided. The battery module includes: at least two battery cells; a connecting piece configured to electrically connect two battery cells of at least two battery cells; and a protective layer including a first protective portion configured to cover the connecting piece. A melting point of the first protective portion is greater than that of the connecting piece.
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公开(公告)号：US11955655B2
公开(公告)日：2024-04-09
申请号：US17138639
申请日：2020-12-30
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Xingdi Chen , Kaijie You , Haizu Jin , Linggang Zhou , Peng Wang , Dongyang Shi
IPC: H01M50/30 , H01M10/48 , H01M50/143 , H01M50/147 , H01M50/204 , H01M50/24
CPC classification number: H01M50/30 , H01M10/482 , H01M50/143 , H01M50/147 , H01M50/204 , H01M50/24 , H01M2200/00 , H01M2220/20
Abstract: This application relates to the field of energy storage components, and in particular, to a protective plate, a battery unit assembly, a battery module group, and a vehicle. The protective plate is provided with a guide groove. The protective plate is configured to shield an explosion-proof valve of a battery cell. The guide groove is configured to be disposed corresponding to the explosion-proof valve, and is configured to guide a flow direction of a flame ejected from the explosion-proof valve. In this application, the guide groove is disposed on the protective plate to guide the flame to a direction away from passengers, thereby protecting the passengers from injury.
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公开(公告)号：US11936024B2
公开(公告)日：2024-03-19
申请号：US15734355
申请日：2020-05-20
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Peng Wang , Kaijie You , Mu Qian , Haizu Jin , Xingdi Chen , Jun Ma
IPC: H01M10/6556 , H01M10/613 , H01M10/615 , H01M10/625 , H01M10/647 , H01M10/6567 , H01M10/658
CPC classification number: H01M10/6556 , H01M10/613 , H01M10/615 , H01M10/625 , H01M10/647 , H01M10/6567 , H01M10/658 , H01M2220/20
Abstract: The present application provides a battery pack, a method for producing a battery pack and a vehicle. The vehicle includes a vehicle body and a battery pack, the battery pack being disposed in the vehicle body. The battery pack includes a battery module and a case. The case has a containing chamber, and the battery module is located in the containing chamber. The battery module includes a plurality of battery units arranged in a horizontal direction, and each battery unit at least includes one battery cell. A size of the battery module in the horizontal direction is larger than a size of the battery module in a vertical direction. The size of the battery module in the vertical direction is L1, and a size of the battery pack in the vertical direction is L2, where 70%≤L1/L2≤95%.
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公开(公告)号：US11780645B2
公开(公告)日：2023-10-10
申请号：US16663058
申请日：2019-10-24
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Yuqun Zeng , Fenggang Zhao , Xingdi Chen , Lei Wang , Linggang Zhou , Peng Wang
IPC: B65D21/02 , H01M50/249 , H01M50/242 , H01M50/202 , B60L50/60 , B60L50/64 , B60K1/04
CPC classification number: B65D21/0217 , H01M50/202 , H01M50/242 , H01M50/249 , B60K1/04 , B60L50/64 , B60L50/66 , H01M2220/20 , Y02E60/10 , Y02T10/70
Abstract: The present disclosure provides a battery box and a vehicle, the battery box comprises an upper box body, a lower box body, a connecting member, a fixing member. The upper box body comprises a first eave portion, the lower box body comprises a second eave portion. The first eave portion is provided with a first connecting hole, the second eave portion is provided with a second connecting hole and a mounting hole. The connecting member passes through the first connecting hole and the second connecting hole to connect the upper box body and the lower box body. The fixing member passes through the mounting hole to make the lower box body mounted to external equipment, compared with the conventional battery box, the lower box body is equivalent to the arrangement of eliminating the third eave portion, it simplifies the structure and reduces the weight, thereby improving the energy density.
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公开(公告)号：US20230020361A1
公开(公告)日：2023-01-19
申请号：US17951147
申请日：2022-09-23
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Lei WANG , Linggang Zhou , Xingdi Chen , Peng Wang , Derong Wang
IPC: H01M50/20 , H01M10/613 , H01M10/625 , H01M10/6554 , H01M10/6556 , B60K1/04
Abstract: The present disclosure relates to a casing for a battery pack and a battery pack. The casing has a receiving space and an opening in communication with the receiving space, the receiving space is formed by a wall portion of the casing, and the wall portion is formed from two or more stacked base plates, between which a plurality of cavities are formed. By forming a plurality of cavities in the wall portion, the casing for a battery pack provided by the present disclosure not only can improve the bearing capacity and the impact resistance of the casing, but also can achieve a thermal management of the battery assembly by filling the plurality of cavities with a phase change material or cooling liquid, which can further improve the mechanical property of the casing with a relatively light weight and relatively high reliability.
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公开(公告)号：US20200287181A1
公开(公告)日：2020-09-10
申请号：US16508143
申请日：2019-07-10
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Kaijie You , Xingdi Chen , Linggang Zhou , Peng Wang
Abstract: The present disclosure relates to a battery module including a plurality of battery unit array structures, a first cover body and a second cover body connected to the first cover body. The battery unit array structures are arranged between the first cover body and the second cover body. The first cover body includes a first carrying portion and a second carrying portion being in a split structure. The plurality of battery unit array structures includes a first battery unit array structure and a second battery unit array structure. The first battery unit array structure is disposed opposite to the first carrying portion, and the second battery unit array structure is disposed opposite to the second carrying portion. Compared with the related art, the first cover body is used for transportation in the present disclosure, and the energy density of the battery module can be improved without an additional component.
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公开(公告)号：US20240429544A1
公开(公告)日：2024-12-26
申请号：US18822510
申请日：2024-09-03
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Wenhui Zhang , Pengcheng Yao , Xingdi Chen , Peng Wang
IPC: H01M50/298 , H01M50/202 , H01M50/249 , H01M50/256
Abstract: The present disclosure relates to a box body (10), a battery (100), and an electric device. The box body (10) includes a main body (11) and a middle channel beam (16). The main body (11) has an accommodation chamber(s). The middle channel beam (16) extends in a first direction and disposed at the top of the main body (11), and is equidistant from outer edges of two sides of the top of the main body (11) in a second direction intersecting the first direction. The middle channel beam (16) has a wiring channel (16a) configured to allow for passing of a harness.
