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1. 发明公开

EP4223574A1 BATTERY PACK PROTECTION SYSTEM AND VEHICLE 审中-实审
公开(公告)号：EP4223574A1
公开(公告)日：2023-08-09
申请号：EP21908443.1
申请日：2021-05-12
申请人： BYD Company Limited
发明人： WAN, Long , LU, Zhipei , PENG, Qingbo , WU, Lei
IPC分类号： B60L3/00 , B60L50/64 , H01M50/249 , H01M50/244 , H01M10/48
摘要： A battery pack protection system (100) and a vehicle are provided. The battery pack protection system includes a battery pack (1) and a protective plate (2). The battery pack (1) includes a tray (11). The tray (11) includes a frame (13) and a bottom plate (12). Battery modules are arranged on the bottom plate (12). The protective plate (2) is arranged parallel to the bottom plate (12), and the protective plate (2) is close to a side of the bottom plate (12). At least one sensor (3) is arranged on the protective plate (2). The protective plate (2) is detachably connected to the frame (13).

2. 发明公开

EP4060794A1 BATTERY PACK AND ELECTRIC VEHICLE 审中-公开
公开(公告)号：EP4060794A1
公开(公告)日：2022-09-21
申请号：EP20890804.6
申请日：2020-10-19
申请人： BYD Company Limited
发明人： HE, Long , SUN, Huajun , ZHU, Yan , TAN, Liangwen , WAN, Long
IPC分类号： H01M50/10 , H01M50/242
摘要： A battery pack and an electric vehicle are provided. The battery pack includes a casing and a battery assembly arranged inside the casing. The battery assembly includes a battery unit and a reinforcing member. The battery unit includes N cells. At least some of the cells in the battery unit are connected by M reinforcing members. An outer surface of each of the cells includes a bottom surface, a top surface, and side surfaces. The bottom surface of the cell faces a bottom surface of the casing. The side surfaces include a first side surface and two opposite second side surfaces. The first side surface has a largest area among the side surfaces. An area of the first side surface is greater than an area of the bottom surface and the area of the first side surface is greater than an area of the top surface. The N cells are arranged in sequence. The second side surfaces of two adjacent cells are arranged opposite to each other. The reinforcing member is fixedly bonded to the first side surface of each cell in Q adjacent cells. N>Q≥2.

3. 发明公开

EP4328073A3 BATTERY PACK AND ELECTRIC VEHICLE 审中-实审
公开(公告)号：EP4328073A3
公开(公告)日：2024-05-01
申请号：EP23214639.9
申请日：2020-10-29
申请人： BYD Company Limited
发明人： SUN, Huajun , LU, Zhipei , PENG, Qingbo , WAN, Long , ZHU, Yan
IPC分类号： H01M50/112 , H01M10/613 , H01M10/625 , H01M10/647 , H01M10/6557 , H01M50/10 , H01M50/204 , H01M50/207 , H01M50/209 , H01M50/211 , H01M50/224 , H01M50/242 , H01M50/249 , H01M50/291 , H01M50/358 , H01M50/367 , B60L50/64
CPC分类号： Y02E60/10 , Y02T10/70 , B60L50/64 , H01M10/613 , H01M10/625 , H01M10/647 , H01M50/10 , H01M50/204 , H01M50/211 , H01M50/224 , H01M50/242 , H01M50/249 , H01M50/291 , H01M50/358 , H01M10/6557 , H01M50/207 , H01M50/209 , H01M50/367
摘要： The present disclosure provides a battery pack and an electric vehicle. The battery pack includes a housing, at least one structural beam located in the housing, and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body including a top plate and a bottom plate arranged opposite to each other in a first direction. The at least one structural beam is located between the top plate and the bottom plate, the at least one structural beam is connected to the top plate and the bottom plate, the at least one structural beam divides the interior of the housing into multiple accommodating cavities, and at least one electrode core string is provided in at least one accommodating cavity. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load. The electrode core string includes multiple electrode core assemblies sequentially disposed in a second direction and connected in series. The multiple electrode core assemblies are encapsulated in an encapsulation film. A length direction of the electrode core string extends in the second direction.

4. 发明公开

EP4328071A3 BATTERY PACK AND ELECTRIC VEHICLE 审中-实审
公开(公告)号：EP4328071A3
公开(公告)日：2024-05-01
申请号：EP23214636.5
申请日：2020-10-29
申请人： BYD Company Limited
发明人： SUN, Huajun , LU, Zhipei , PENG, Qingbo , WAN, Long , ZHU, Yan
IPC分类号： H01M50/112 , H01M10/613 , H01M10/625 , H01M10/647 , H01M10/6557 , H01M50/10 , H01M50/204 , H01M50/207 , H01M50/209 , H01M50/211 , H01M50/224 , H01M50/242 , H01M50/249 , H01M50/291 , H01M50/358 , H01M50/367 , B60L50/64
CPC分类号： Y02E60/10 , Y02T10/70 , B60L50/64 , H01M10/613 , H01M10/625 , H01M10/647 , H01M50/10 , H01M50/204 , H01M50/211 , H01M50/224 , H01M50/242 , H01M50/249 , H01M50/291 , H01M50/358 , H01M10/6557 , H01M50/207 , H01M50/209 , H01M50/367
摘要： The present disclosure provides a battery pack and an electric vehicle. The battery pack includes a housing, at least one structural beam located in the housing, and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body including a top plate and a bottom plate arranged opposite to each other in a first direction. The at least one structural beam is located between the top plate and the bottom plate, the at least one structural beam is connected to the top plate and the bottom plate, the at least one structural beam divides the interior of the housing into multiple accommodating cavities, and at least one electrode core string is provided in at least one accommodating cavity. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load. The electrode core string includes multiple electrode core assemblies sequentially disposed in a second direction and connected in series. The multiple electrode core assemblies are encapsulated in an encapsulation film. A length direction of the electrode core string extends in the second direction.

5. 发明公开

EP4311008A2 BATTERY PACK AND ELECTRIC VEHICLE 审中-实审
公开(公告)号：EP4311008A2
公开(公告)日：2024-01-24
申请号：EP23214631.6
申请日：2020-10-29
申请人： BYD Company Limited
发明人： SUN, Huajun , LU, Zhipei , PENG, Qingbo , WAN, Long , ZHU, Yan
IPC分类号： H01M50/502
摘要： The present disclosure provides a battery pack and an electric vehicle. The battery pack includes a sealed housing, and at least one housing structural beam and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body, including a top plate and a bottom plate arranged opposite to each other in a first direction. The structural beam is located between the top plate and the bottom plate, the at least one structural beam divides the interior of the housing into multiple accommodating cavities, the at least one structural beam is connected to the top plate and the bottom plate, and at least one electrode core string is provided in at least one accommodating cavity An atmospheric pressure in the accommodating cavity is lower than an atmospheric pressure outside the housing. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load. The electrode core string includes multiple electrode core assemblies sequentially disposed in a second direction and connected in series The electrode core assembly is encapsulated in an encapsulation film. A length direction of the electrode core string extends in the second direction

6. 发明公开

EP4142027A1 BATTERY PACK AND ELECTRIC VEHICLE 审中-实审
公开(公告)号：EP4142027A1
公开(公告)日：2023-03-01
申请号：EP20932320.3
申请日：2020-10-29
申请人： BYD Company Limited
发明人： SUN, Huajun , LU, Zhipei , PENG, Qingbo , WAN, Long , ZHU, Yan
IPC分类号： H01M50/112
摘要： The present disclosure provides a battery pack and an electric vehicle. The battery pack includes a housing, at least one structural beam located in the housing, and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body including a top plate and a bottom plate arranged opposite to each other in a first direction. The at least one structural beam is located between the top plate and the bottom plate, the at least one structural beam is connected to the top plate and the bottom plate, the at least one structural beam divides the interior of the housing into multiple accommodating cavities, and at least one electrode core string is provided in at least one accommodating cavity. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load. The electrode core string includes multiple electrode core assemblies sequentially disposed in a second direction and connected in series. The multiple electrode core assemblies are encapsulated in an encapsulation film. A length direction of the electrode core string extends in the second direction.

7. 发明公开

EP4328072A3 BATTERY PACK AND ELECTRIC VEHICLE 审中-实审
公开(公告)号：EP4328072A3
公开(公告)日：2024-05-01
申请号：EP23214637.3
申请日：2020-10-29
申请人： BYD Company Limited
发明人： SUN, Huajun , LU, Zhipei , PENG, Qingbo , WAN, Long , ZHU, Yan
IPC分类号： H01M50/112 , H01M10/613 , H01M10/625 , H01M10/647 , H01M10/6557 , H01M50/10 , H01M50/204 , H01M50/207 , H01M50/209 , H01M50/211 , H01M50/224 , H01M50/242 , H01M50/249 , H01M50/291 , H01M50/358 , H01M50/367 , B60L50/64
CPC分类号： Y02E60/10 , Y02T10/70 , B60L50/64 , H01M10/613 , H01M10/625 , H01M10/647 , H01M50/10 , H01M50/204 , H01M50/211 , H01M50/224 , H01M50/242 , H01M50/249 , H01M50/291 , H01M50/358 , H01M10/6557 , H01M50/207 , H01M50/209 , H01M50/367
摘要： The present disclosure provides a battery pack and an electric vehicle. The battery pack includes a housing, at least one structural beam located in the housing, and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body including a top plate and a bottom plate arranged opposite to each other in a first direction. The at least one structural beam is located between the top plate and the bottom plate, the at least one structural beam is connected to the top plate and the bottom plate, the at least one structural beam divides the interior of the housing into multiple accommodating cavities, and at least one electrode core string is provided in at least one accommodating cavity. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load. The electrode core string includes multiple electrode core assemblies sequentially disposed in a second direction and connected in series. The multiple electrode core assemblies are encapsulated in an encapsulation film. A length direction of the electrode core string extends in the second direction.

8. 发明公开

EP4329081A2 BATTERY PACK AND ELECTRIC VEHICLE 审中-实审
公开(公告)号：EP4329081A2
公开(公告)日：2024-02-28
申请号：EP23214628.2
申请日：2020-10-29
申请人： BYD Company Limited
发明人： SUN, Huajun , LU, Zhipei , PENG, Qingbo , WAN, Long , ZHU, Yan
IPC分类号： H01M50/502
摘要： The present disclosure provides a battery pack and an electric vehicle. The battery pack includes a sealed housing, and at least one housing structural beam and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body, including a top plate and a bottom plate arranged opposite to each other in a first direction. The structural beam is located between the top plate and the bottom plate, the at least one structural beam divides the interior of the housing into multiple accommodating cavities, the at least one structural beam is connected to the top plate and the bottom plate, and at least one electrode core string is provided in at least one accommodating cavity. An atmospheric pressure in the accommodating cavity is lower than an atmospheric pressure outside the housing. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load. The electrode core string includes multiple electrode core assemblies sequentially disposed in a second direction and connected in series. The electrode core assembly is encapsulated in an encapsulation film. A length direction of the electrode core string extends in the second direction.

9. 发明公开

EP4318781A2 BATTERY PACK AND ELECTRIC VEHICLE 审中-实审
公开(公告)号：EP4318781A2
公开(公告)日：2024-02-07
申请号：EP23214629.0
申请日：2020-10-29
申请人： BYD Company Limited
发明人： SUN, Huajun , LU, Zhipei , PENG, Qingbo , WAN, Long , ZHU, Yan
IPC分类号： H01M50/502
摘要： The present disclosure provides a battery pack and an electric vehicle. The battery pack includes a sealed housing, and at least one housing structural beam and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body, including a top plate and a bottom plate arranged opposite to each other in a first direction. The structural beam is located between the top plate and the bottom plate, the at least one structural beam divides the interior of the housing into multiple accommodating cavities, the at least one structural beam is connected to the top plate and the bottom plate, and at least one electrode core string is provided in at least one accommodating cavity An atmospheric pressure in the accommodating cavity is lower than an atmospheric pressure outside the housing. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load. The electrode core string includes multiple electrode core assemblies sequentially disposed in a second direction and connected in series. The electrode core assembly is encapsulated in an encapsulation film. A length direction of the electrode core string extends in the second direction

10. 发明公开

EP4142024A1 BATTERY PACK AND ELECTRIC VEHICLE 审中-实审
公开(公告)号：EP4142024A1
公开(公告)日：2023-03-01
申请号：EP20932601.6
申请日：2020-10-29
申请人： BYD Company Limited
发明人： SUN, Huajun , LU, Zhipei , PENG, Qingbo , WAN, Long , ZHU, Yan
IPC分类号： H01M50/10 , H01M50/105
摘要： The present disclosure provides a battery pack and an electric vehicle. The battery pack includes a sealed housing, and at least one housing structural beam and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body, including a top plate and a bottom plate arranged opposite to each other in a first direction. The structural beam is located between the top plate and the bottom plate, the at least one structural beam divides the interior of the housing into multiple accommodating cavities, the at least one structural beam is connected to the top plate and the bottom plate, and at least one electrode core string is provided in at least one accommodating cavity. An atmospheric pressure in the accommodating cavity is lower than an atmospheric pressure outside the housing. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load. The electrode core string includes multiple electrode core assemblies sequentially disposed in a second direction and connected in series. The electrode core assembly is encapsulated in an encapsulation film. A length direction of the electrode core string extends in the second direction.

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