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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：US20210313661A1
公开(公告)日：2021-10-07
申请号：US17352352
申请日：2021-06-20
发明人： Yuanbao CHEN , Rui Yang , Haizu Jin , Dongyang Shi , Ning Chen , Quankun Li
IPC分类号： H01M50/538 , H01M50/209 , H01M50/186
摘要： The present application relates to a secondary battery and a battery module. The secondary battery comprises: a casing, which is provided with an accommodating hole with an opening; a top cover assembly, which is in sealed connection with the casing to close the opening; an electrode assembly, which is arranged in the accommodating hole, and comprises two end faces opposite to a first direction perpendicular to an axial direction of the accommodating hole, and tabs extending from the end faces, the electrode assembly comprises two or more electrode units, wherein two or more electrode units are stacked in the axial direction, and in a second direction perpendicular to the axial direction and the first direction, the size of the tabs is smaller than that of the end faces; and a current collector, which comprises a body portion.
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公开(公告)号：US20200295317A1
公开(公告)日：2020-09-17
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
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：US11881588B2
公开(公告)日：2024-01-23
申请号：US17352352
申请日：2021-06-20
发明人： Yuanbao Chen , Rui Yang , Haizu Jin , Dongyang Shi , Ning Chen , Quankun Li
IPC分类号： H01M50/538 , H01M50/209 , H01M50/533 , H01M50/186
CPC分类号： H01M50/186 , H01M50/209 , H01M50/533 , H01M50/538
摘要： The present application relates to a secondary battery and a battery module. The secondary battery comprises: a casing, which is provided with an accommodating hole with an opening; a top cover assembly, which is in sealed connection with the casing to close the opening; an electrode assembly, which is arranged in the accommodating hole, and comprises two end faces opposite to a first direction perpendicular to an axial direction of the accommodating hole, and tabs extending from the end faces, the electrode assembly comprises two or more electrode units, wherein two or more electrode units are stacked in the axial direction, and in a second direction perpendicular to the axial direction and the first direction, the size of the tabs is smaller than that of the end faces; and a current collector, which comprises a body portion.
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公开(公告)号：US20210119290A1
公开(公告)日：2021-04-22
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： 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：US11664555B2
公开(公告)日：2023-05-30
申请号：US17135918
申请日：2020-12-28
发明人： Dongyang Shi , Zhenhua Li , Haizu Jin , Ning Chen , Fei Hu , Yuanbao Chen , Rui Yang
IPC分类号： H01M50/271 , B60L50/64 , H01M50/249 , H01M50/296 , H01M50/342 , H01M50/204 , H01M50/593 , H01M10/0525 , H01M10/0587 , H01M50/15 , H01M10/04 , H01M50/586 , H01M50/55 , H01M50/276 , H01M50/224 , H01M50/209
CPC分类号： H01M50/271 , B60L50/64 , H01M10/0431 , H01M10/0525 , H01M10/0587 , H01M50/15 , H01M50/204 , H01M50/249 , H01M50/296 , H01M50/3425 , H01M50/55 , H01M50/586 , H01M50/593 , H01M50/209 , H01M50/224 , H01M50/276 , H01M2200/20 , H01M2220/20
摘要： Disclosed are a secondary battery, a battery module and an electric vehicle. The secondary battery includes an electrode assembly, a housing and a top cover assembly. The housing has an accommodating chamber, the accommodating chamber having an opening, and the electrode assembly being accommodated in the accommodating chamber. 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, a first electrode terminal and a second electrode terminal, the top cover plate being connected to the housing and located on a side of the electrode assembly in the axial direction, and the first electrode terminal and the second electrode terminal both protruding from the top cover plate and being electrically connected to the electrode assembly.
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公开(公告)号：US11233297B2
公开(公告)日：2022-01-25
申请号：US16455751
申请日：2019-06-28
发明人： Ning Chen , Haizu Jin , Dongyang Shi , Zhenhua Li , Yuanbao Chen , Rui Yang , Fei Hu
IPC分类号： H01M50/54 , H01M10/0585 , H01M50/15 , H01M50/20
摘要： The disclosure relates to a secondary battery and a battery module. The secondary battery comprises a casing, which includes a receiving hole having an opening; a top cover assembly, which includes a top cover plate connected to the casing to close the opening; an electrode assembly disposed within the receiving hole, the electrode assembly has an dimension of 0.01 mm to 1000 mm in an axial direction of the receiving hole, the electrode assembly includes two end faces opposed to each other in a first direction perpendicular to the axial direction and tabs extending from the end faces, the electrode assembly includes two or more electrode units laminated in the axial direction, and in a second direction perpendicular to the axial direction and the first direction, the dimension of the tab is smaller than the dimension of the end face; and a current collecting member electrically connected to the tab.
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公开(公告)号：US11177528B2
公开(公告)日：2021-11-16
申请号：US16691215
申请日：2019-11-21
发明人： Haizu Jin , Fei Hu , Zhenhua Li , Dongyang Shi , Rui Yang , Yuqun Zeng , Yongshou Lin
IPC分类号： H01M50/20 , H01M50/15 , H01M50/147 , H01M10/0525 , H01M10/0565
摘要： The present disclosure provides a battery module and a battery pack. The battery pack comprises a box and a battery module, the battery module is accommodated in the box. The battery module comprises batteries sequentially arranged in a first direction. The battery comprises an electrode assembly, a case and a cap assembly, the electrode assembly is received in the case, and the cap assembly is connected with the case. The case comprises two first side walls, and the two first side walls are respectively positioned at two sides of the electrode assembly in the first direction. The first side walls of two adjacent batteries face each other. An area of the first side wall is defined as S1, a distance between the electrode assemblies of two adjacent batteries in the first direction is defined as D, S1 and D satisfying a relationship: 1.2×10−5 mm−1≤D/S1≤500×10−5 mm−1.
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公开(公告)号：US11139528B2
公开(公告)日：2021-10-05
申请号：US17137172
申请日：2020-12-29
发明人： Haizu Jin , Fei Hu , Zhenhua Li , Dongyang Shi , Rui Yang , Yuqun Zeng , Yongshou Lin
IPC分类号： H01M50/20 , H01M50/15 , H01M50/147 , H01M10/0525 , H01M10/0565
摘要： The present disclosure provides a battery module and a battery pack. The battery pack comprises a box and a battery module, the battery module is accommodated in the box. The battery module comprises batteries sequentially arranged in a first direction. The battery comprises an electrode assembly, a case and a cap assembly, the electrode assembly is received in the case, and the cap assembly is connected with the case. The case comprises two first side walls, and the two first side walls are respectively positioned at two sides of the electrode assembly in the first direction. The first side walls of two adjacent batteries face each other. An area of the first side wall is defined as S1, a distance between the electrode assemblies of two adjacent batteries in the first direction is defined as D, S1 and D satisfying a relationship: 1.2×10−5 mm−1≤D/S1≤500×10−5 mm−1.
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公开(公告)号：US11133549B2
公开(公告)日：2021-09-28
申请号：US16691234
申请日：2019-11-21
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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