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公开(公告)号：US11482738B2
公开(公告)日：2022-10-25
申请号：US16571810
申请日：2019-09-16
发明人： Haizu Jin , Dongyang Shi , Fei Hu , Kaijie You , Xingdi Chen
IPC分类号： H01M10/613 , H01M10/653 , H01M10/6555 , H01M10/04 , H01M10/6556
摘要： A battery module including a first battery group, a second battery group, a cooling plate, and a plurality of busbars electrically connected with a plurality of battery cells. The cooling plate is placed between the first battery group and the second battery group, and the two surfaces of the cooling plate are respectively bonded onto the first battery group and the second battery group with thermally conductive adhesive, the first battery group and the second battery group can be mounted close to the cooling plate, thus increasing the heat dissipation area and improving the heat dissipation effect.
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公开(公告)号：US11476526B2
公开(公告)日：2022-10-18
申请号：US16890457
申请日：2020-06-02
发明人： Fei Hu , Dongyang Shi , Haizu Jin , Zhenhua Li , Ning Chen , Yuanbao Chen , Rui Yang
IPC分类号： H01M50/147 , H01M10/04 , H01M50/531 , H01M50/543
摘要： The present disclosure provides a secondary battery, a battery module and a vehicle. The secondary battery includes an electrode assembly, a case and a cap assembly. The case has an accommodating cavity, and the electrode assembly is accommodated in the accommodating cavity. The electrode assembly includes electrode units, and the electrode units are stacked in an axial direction of the accommodating cavity. The cap assembly includes a cap plate and an insulating member provided at an inner side of the cap plate, the cap plate is connected with the case, and the insulating member is positioned at a side of the electrode assembly in the axial direction. The insulating member is provided with a first surface at a side close to the electrode assembly, and the first surface is a flat surface.
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公开(公告)号：US11177542B2
公开(公告)日：2021-11-16
申请号：US16424048
申请日：2019-05-28
发明人： Fei Hu , Haizu Jin , Dongyang Shi , Zhenhua Li , Ning Chen , Yuanbao Chen
IPC分类号： H01M2/26 , H01M10/0587 , H01M10/04 , H01M2/04 , H01M2/10 , H01M50/54 , H01M50/20 , H01M50/147
摘要： The present disclosure relates to a secondary battery and a battery module. The secondary battery comprises a case, comprising a base plate and a side plate connected with the base plate, wherein the base plate and the side plate form a receiving hole and an opening in communication with the receiving hole, the opening is arranged opposite to the base plate in an axial direction of the receiving hole, and the base plate has a thickness larger than that of the side plate; a cap assembly, sealingly connected with the side plate to close the opening; and an electrode assembly, disposed in the receiving hole and comprising two or more electrode units, which are stacked in the axial direction, and each electrode unit is arranged with a wide side opposite to the base plate and a narrow side toward the side plate.
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公开(公告)号：US11101515B2
公开(公告)日：2021-08-24
申请号：US17137122
申请日：2020-12-29
发明人： Dongyang Shi , Haizu Jin , Rui Yang , Fei Hu , Peng Wang , Yuqun Zeng , Yongshou Lin
IPC分类号： H01M6/46 , H01M50/183 , H01M50/10 , H01M50/20
摘要： The present disclosure provides a battery pack and a vehicle. The battery pack comprises a battery module, a box assembly and a first adhesive member. The battery module comprises first batteries arranged sequentially in a horizontal direction. The first battery comprises an electrode assembly and a case, and the electrode assembly is received in the case. The electrode assembly comprises a first electrode plate, a second electrode plate and a separator. The box assembly has a connection portion, and the connection portion is positioned at a side of the battery module in the vertical direction. An outer surface of the case comprises a first surface, and the first surface is connected with the connection portion via the first adhesive member. An area A of the first surface and an elastic modulus B of the first adhesive member satisfy a relationship: 0.02 cm2/MPa≤A/B≤9 cm2/MPa.
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公开(公告)号：US11335978B2
公开(公告)日：2022-05-17
申请号：US16424058
申请日：2019-05-28
发明人： Yuanbao Chen , Rui Yang , Dongyang Shi , Ning Chen , Fei Hu , Zhenhua Li
IPC分类号： H01M10/04 , H01M50/531 , H01M50/20
摘要： The disclosure relates to a secondary battery and a battery module. The secondary battery comprises: a case comprising a receiving hole having an opening; a cap assembly sealingly connected with the case to close the opening; an electrode assembly disposed in the receiving hole, wherein the electrode assembly comprises two end surfaces opposite to each other in a first direction perpendicular to an axial direction of the receiving hole and tabs extending from respective end surfaces, and the electrode assembly comprises two or more electrode units which are stacked in the axial direction; and a current collecting unit comprising a first sheet and a first current collecting sheet connected to the first sheet, wherein both the first sheet and the first current collecting sheet extend in the axial direction, and the tab is bent with respect to the first direction and is electrically connected to the first current collecting sheet.
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公开(公告)号：US11296385B2
公开(公告)日：2022-04-05
申请号：US17353933
申请日：2021-06-22
发明人： Haizu Jin , Linggang Zhou , Peng Wang , Dongyang Shi , Xingdi Chen , Fei Hu , Fenggang Zhao , Yanhuo Xiang , Yongshou Lin
IPC分类号： H01M50/209 , H01M10/613 , H01M10/6556 , H01M50/533 , H01M50/591
摘要： The embodiments of the present disclosure provide a battery module and a battery pack. A battery module includes: a cooling component; and a battery group, comprising secondary batteries disposed side by side in a first direction and each including a case having an accommodating hole, an electrode assembly disposed in the accommodating hole, and a cap assembly, the electrode assembly including two end faces disposed opposite to each other in a second direction intersecting the first direction and an electrode tab extending from each end face. The secondary batteries each includes two sides opposite to each other in the second direction, the cooling component is disposed on at least one of the two sides, the cooling component and the end face are respectively disposed on two sides of the case in the second direction, and the cooling component is connected and fixed to each of the secondary batteries.
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公开(公告)号：US20210313644A1
公开(公告)日：2021-10-07
申请号：US17353933
申请日：2021-06-22
发明人： Haizu JIN , Linggang ZHOU , Peng WANG , Dongyang SHI , Xingdi CHEN , Fei Hu , Fenggang ZHAO , Yanhuo XIANG , Yongshou LIN
IPC分类号： H01M50/209 , H01M10/613 , H01M10/6556 , H01M50/591 , H01M50/533
摘要： The embodiments of the present disclosure provide a battery module and a battery pack. A battery module includes: a cooling component; and a battery group, comprising secondary batteries disposed side by side in a first direction and each including a case having an accommodating hole, an electrode assembly disposed in the accommodating hole, and a cap assembly, the electrode assembly including two end faces disposed opposite to each other in a second direction intersecting the first direction and an electrode tab extending from each end face. The secondary batteries each includes two sides opposite to each other in the second direction, the cooling component is disposed on at least one of the two sides, the cooling component and the end face are respectively disposed on two sides of the case in the second direction, and the cooling component is connected and fixed to each of the secondary batteries.
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公开(公告)号：US20200212411A1
公开(公告)日：2020-07-02
申请号：US16424048
申请日：2019-05-28
发明人： Fei Hu , Haizu Jin , Dongyang Shi , Zhenhua Li , Ning Chen , Yuanbao Chen
IPC分类号： H01M2/26 , H01M10/0587 , H01M10/04 , H01M2/04 , H01M2/10
摘要： The present disclosure relates to a secondary battery and a battery module. The secondary battery comprises a case, comprising a base plate and a side plate connected with the base plate, wherein the base plate and the side plate form a receiving hole and an opening in communication with the receiving hole, the opening is arranged opposite to the base plate in an axial direction of the receiving hole, and the base plate has a thickness larger than that of the side plate; a cap assembly, sealingly connected with the side plate to close the opening; and an electrode assembly, disposed in the receiving hole and comprising two or more electrode units, which are stacked in the axial direction, and each electrode unit is arranged with a wide side opposite to the base plate and a narrow side toward the side plate.
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公开(公告)号：US11245149B2
公开(公告)日：2022-02-08
申请号：US17138716
申请日：2020-12-30
发明人： Dongyang Shi , Zhenhua Li , Ning Chen , Rui Yang , Haizu Jin , Fei Hu
IPC分类号： H01M2/04 , H01M2/26 , H01M2/06 , H01M10/0525 , H01M50/147 , H01M50/538 , H01M50/54 , H01M50/572 , H01M50/204 , H01M10/04 , H01M50/16 , H01M50/164 , H01M50/15 , H01M50/176
摘要： Disclosed are a secondary battery, a battery module and an electric vehicle. The battery module includes a plurality of secondary batteries arranged in sequence. The secondary battery includes an electrode assembly, a housing and a top cover assembly. The electrode assembly is accommodated in an accommodating chamber of the housing. The electrode assembly includes a plurality of electrode units, the plurality of electrode units being stacked in an axial direction of the accommodating chamber. The top cover assembly includes a top cover plate and an insulating member arranged on an inner side of the top cover plate, the top cover plate being connected to the housing, the insulating member being located on a side of the electrode assembly in the axial direction. A first buffer gap is provided between the insulating member and the top cover plate.
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公开(公告)号：US11069942B2
公开(公告)日：2021-07-20
申请号：US16429914
申请日：2019-06-03
发明人： Dongyang Shi , Yuanbao Chen , Haizu Jin , Zhenhua Li , Ning Chen , Fei Hu , Tian Wu
IPC分类号： H01M2/30 , H01M50/529 , H01M50/147 , H01M50/531
摘要： The present invention relates to a secondary battery and a battery module. The secondary battery includes: a casing including a receiving cavity having an opening; a top cover assembly, and an electrode assembly disposed in the receiving cavity, wherein the electrode assembly includes two end faces disposed opposite to each other in a first direction perpendicular to a depth direction of the receiving cavity, a lug extending from each end face; the lug is a layered structure and has a redundant section near the end face and a connecting section connected to the redundant section; the current collecting member includes a current collecting portion fixedly connected to the connecting section. The lug of the secondary battery of the embodiment of the present invention has the redundant section, which can effectively buffer the movement and reduce the possibility that the lug is torn or broken due to an excessive tensile stress.
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