公开(公告)号：WO2014101478A1

公开(公告)日：2014-07-03

申请号：PCT/CN2013/083374

申请日：2013-09-12

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED

Inventor： SHEN, Xi ,  JIANG, Luxia ,  ZHU, Jianhua ,  HU, Shichao ,  WANG, Gaowu ,  GU, Hongjuan

IPC: H01M10/0525 ,  H01M10/42 ,  H01M2/34

CPC classification number: H01M2/34 ,  H01M10/0413 ,  H01M10/0431 ,  H01M10/0463 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/0587 ,  H01M10/617 ,  H01M10/654 ,  H01M10/6553 ,  H01M2200/00 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P70/54

Abstract: A battery comprises: a shell (1); a core (4) received in the shell (1) and having first and second electrode tabs (41, 42), a first current collector connected to the first electrode tab (41), and a second current collector connected to the second electrode tab (42); and a protection component (2) including two insulating layers (22) and a conducting layer (21) disposed between two insulating layers (22), in which the conducting layer (21) defines a first end electrically connected to the first electrode tab (41) and a second end configured as a free end, and an outmost current collector of the core (4) is configured by the second current collector.

Abstract translation: 电池包括：壳体（1）; 容纳在壳体（1）中并具有第一和第二电极接头（41,42）的芯体（4），连接到第一电极接线片（41）的第一集电器和连接到第二电极接头 （42）; 以及包括设置在两个绝缘层（22）之间的两个绝缘层（22）和导电层（21）的保护部件（2），其中导电层（21）限定电连接到第一电极接线片 41）和被构造为自由端的第二端，并且所述芯（4）的最外部的集电体由所述第二集电体构成。

公开(公告)号：WO2014101479A1

公开(公告)日：2014-07-03

申请号：PCT/CN2013/083375

申请日：2013-09-12

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED

Inventor： SHEN, Xi ,  JIANG, Luxia ,  ZHU, Jianhua ,  HU, Shichao ,  WANG, Gaowu ,  GU, Hongjuan

IPC: H01M2/34 ,  H01M10/0525

CPC classification number: H01M2/34 ,  H01M10/0413 ,  H01M10/0431 ,  H01M10/0463 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/0587 ,  H01M10/617 ,  H01M10/654 ,  H01M10/6553 ,  H01M2200/00 ,  H01M2220/20 ,  Y02E60/122

Abstract: A battery comprises: a shell (1); a core (4) received in the shell (1) and having first and second electrode tabs (41, 42); and first and second protection components (2, 3), each of the first and second protection components (2, 3) including two insulating layers and a conducting layer disposed between two insulating layers, in which the conducting layer (21) of the first protection component (2) defines a first end electrically connected to the first electrode tab (41) and a second end configured as a free end, and the conducting layer (31) of the second protection component (3) defines a first end electrically connected to the second electrode tab (42) and a second end configured as a free end.

Abstract translation: 电池包括：壳体（1）; 容纳在所述壳体（1）中并具有第一和第二电极接头（41,42）的芯体（4）; 以及第一和第二保护部件（2,3），每个第一和第二保护部件（2,3）包括两个绝缘层和设置在两个绝缘层之间的导电层，其中第一和第二保护部件的导电层（21） 保护部件（2）限定电连接到第一电极接线片（41）的第一端和构造为自由端的第二端，并且第二保护部件（3）的导电层（31）限定电连接 到第二电极接片（42）和被配置为自由端的第二端。

公开(公告)号：EP4113729A1

公开(公告)日：2023-01-04

申请号：EP21759605.5

申请日：2021-01-28

Applicant: BYD Company Limited

Inventor： SUN, Huajun ,  WANG, Gaowu ,  LIU, Guoxiong ,  ZHU, Yan

IPC: H01M50/50 ,  H01M50/583 ,  H01M50/20 ,  B60L3/00 ,  B60L50/64

Abstract: Disclosed are a battery pack (200) and an electric vehicle. The battery pack (200) includes at least one battery unit (21). The battery unit (21) includes at least one battery string (1006). The battery string (1006) includes one or at least two cells (100). A voltage difference across the battery string (1006) is less than or equal to 60 V. When the battery string (1006) includes at least two cells (100), the cells (100) in the battery string (1006) are arranged sequentially along a first direction, and the first direction is parallel to a direction from the tail of the vehicle to the head of the vehicle.

公开(公告)号：EP4160753A1

公开(公告)日：2023-04-05

申请号：EP21814514.2

申请日：2021-05-24

Applicant: BYD Company Limited

Inventor： SUN, Huajun ,  WANG, Gaowu ,  LIN, Wensheng ,  ZHAO, Ling ,  ZHU, Yan

IPC: H01M4/66 ,  H01M4/70 ,  H01M10/0525 ,  H01M10/0587

Abstract: The present disclosure provides a lithium ion battery, a power battery module, a battery pack, an electric vehicle and an energy storage device. The lithium ion battery includes a casing and an electrode core packaged in the casing. The electrode core includes a positive electrode sheet, a negative electrode sheet, and a separator located between the positive electrode sheet and the negative electrode sheet. The positive electrode sheet includes a positive electrode current collector and a positive electrode material layer loaded on the positive electrode current collector. Among the positive electrode current collector, the positive electrode material layer, the negative electrode sheet, and the separator, the one with the lowest melting point is defined as an effective component. The effective component meets: 1 ≤ d 2 ρ C p × 1.12 nL n + 1 W ≤ 500 .

公开(公告)号：EP2939306B1

公开(公告)日：2020-11-11

申请号：EP13867706.7

申请日：2013-09-12

Applicant: Byd Company Limited

Inventor： SHEN, Xi ,  JIANG, Luxia ,  ZHU, Jianhua ,  HU, Shichao ,  WANG, Gaowu ,  GU, Hongjuan

IPC: H01M10/0525 ,  H01M10/42 ,  H01M2/34 ,  H01M10/6553 ,  H01M10/654 ,  H01M10/617 ,  H01M10/04 ,  H01M10/0585 ,  H01M10/0587

公开(公告)号：EP2939294B1

公开(公告)日：2020-08-26

申请号：EP13866928.8

申请日：2013-09-12

Applicant: BYD Company Limited

Inventor： SHEN, Xi ,  JIANG, Luxia ,  ZHU, Jianhua ,  HU, Shichao ,  WANG, Gaowu ,  GU, Hongjuan

IPC: H01M10/04 ,  H01M10/6553 ,  H01M10/654 ,  H01M10/617 ,  H01M10/0585 ,  H01M10/0587 ,  H01M10/0525

公开(公告)号：EP2939294A1

公开(公告)日：2015-11-04

申请号：EP13866928.8

申请日：2013-09-12

Applicant: Byd Company Limited

Inventor： SHEN, Xi ,  JIANG, Luxia ,  ZHU, Jianhua ,  HU, Shichao ,  WANG, Gaowu ,  GU, Hongjuan

IPC: H01M2/34 ,  H01M10/0525

CPC classification number: H01M2/34 ,  H01M10/0413 ,  H01M10/0431 ,  H01M10/0463 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/0587 ,  H01M10/617 ,  H01M10/654 ,  H01M10/6553 ,  H01M2200/00 ,  H01M2220/20 ,  Y02E60/122

Abstract: A battery includes a shell, a core received in the shell and having first and second electrode tabs, and first and second protection components. Each of the first and second protection components includes two insulating layers and a conducting layer disposed between two insulating layers. The conducting layer of the first protection component defines a first end electrically connected to the first electrode tab and a second end configured as a free end. The conducting layer of the second protection component defines a first end electrically connected to the second electrode tab and a second end configured as a free end.

Abstract translation: 一种电池包括：外壳（1）; 容纳在壳体（1）中并且具有第一和第二电极片（41,42）的芯（4）; 和第一和第二保护部件（2,3），第一和第二保护部件（2,3）中的每一个包括两个绝缘层和设置在两个绝缘层之间的导电层，其中第一和第二保护部件的导电层（21） （2）限定电连接到所述第一电极接线片（41）的第一端和被配置为自由端的第二端，并且所述第二保护部件（3）的所述导电层（31）限定电连接 到第二电极接线片（42）以及被配置为自由端的第二端。

公开(公告)号：EP4340107A1

公开(公告)日：2024-03-20

申请号：EP22855453.1

申请日：2022-08-10

Applicant: Byd Company Limited

Inventor： CHEN, Tao ,  LIU, Guoxiong ,  ZHANG, Xiaorui ,  LIU, Jian ,  WANG, Gaowu

IPC: H01M50/209 ,  H01M50/244 ,  H01M50/258 ,  H01M50/262

Abstract: A battery module, a battery pack, and a vehicle are provided. The battery module includes a battery body, an end plate, and a cover body. The battery body includes multiple battery cells. The multiple battery cells are arranged side by side. The end plate is arranged on an end portion of the battery body. According to the battery module, the end plate is arranged on the end portion of the battery body, the end plate is provided with a first exhaust channel therein, the cover body is engaged with multiple pressure relief valves to form a second exhaust channel, and the second exhaust channel is in communication with the first exhaust channel.

公开(公告)号：EP4160766A1

公开(公告)日：2023-04-05

申请号：EP21812612.6

申请日：2021-05-24

Applicant: BYD Company Limited

Inventor： SUN, Huajun ,  WANG, Gaowu ,  LIN, Wensheng ,  ZHAO, Ling ,  ZHU, Yan

IPC: H01M10/0525

Abstract: The present disclosure provides a lithium ion battery, a power battery module, a battery pack, an electric vehicle and an energy storage device. The lithium ion battery includes a casing and an electrode core packaged in the casing. The electrode core includes a positive electrode sheet, a negative electrode sheet, and a separator located between the positive electrode sheet and the negative electrode sheet. The positive electrode sheet includes a positive electrode current collector and a positive electrode material layer loaded on the positive electrode current collector. Among the positive electrode current collector, the positive electrode material layer, the negative electrode sheet, and the separator, the one with the lowest melting point is defined as an effective component. The effective component meets: 80 d 2 ρ C p × 1.12 nL n + 1 W + 1.35 L W + 0.337 n + 4.49 2000 .

公开(公告)号：EP4160752A1

公开(公告)日：2023-04-05

申请号：EP21811877.6

申请日：2021-05-24

Applicant: BYD Company Limited

Inventor： SUN, Huajun ,  WANG, Gaowu ,  LIN, Wensheng ,  ZHAO, Ling ,  ZHU, Yan

IPC: H01M4/66 ,  H01M4/70 ,  H01M10/0525 ,  H01M10/0587

Abstract: The present disclosure provides a lithium ion battery, a power battery module, a battery pack, an electric vehicle and an energy storage device. The lithium ion battery includes a casing and an electrode core packaged in the casing. The electrode core includes a positive electrode sheet, a negative electrode sheet, and a separator located between the positive electrode sheet and the negative electrode sheet. The positive electrode sheet includes a positive electrode current collector and a positive electrode material layer loaded on the positive electrode current collector. Among the positive electrode current collector, the positive electrode material layer, the negative electrode sheet, and the separator, the one with the lowest melting point is defined as an effective component. The effective component meets: 3 ≤ A = d 2 ρ C p × 1.35 L W ≤ 850 .