公开(公告)号：EP4518014A1

公开(公告)日：2025-03-05

申请号：EP23794706.4

申请日：2023-02-17

Applicant: BYD Company Limited

Inventor： HU, Shichao

IPC: H01M50/583

Abstract: A battery module, a nail penetration protection method for a battery module, and a vehicle. The battery module comprises: a plurality of battery cells, the plurality of battery cells being connected in series and comprising a first battery cell group and a second battery cell group which are oppositely provided, and the first battery cell group and the second battery cell group being each provided with at least one battery cell; a protection assembly, the protection assembly being located between the first battery cell group and the second battery cell group, and the protection assembly comprising a first metal member, a first insulating member, and a second metal member which are stacked; and protection components, each of which is provided between two adjacent battery cells, the protection component being capable of cutting off a circuit. When a test steel nail sequentially passes through the battery cell corresponding to the first metal member in the first battery cell group, the first metal member, the first insulating member, and the second metal member, the battery module forms a loop; and When the test steel nail penetrates the battery cell corresponding to the second metal member in the second battery cell group, a short circuit loop is newly added in the battery module.

公开(公告)号：EP4145618A1

公开(公告)日：2023-03-08

申请号：EP21809626.1

申请日：2021-04-22

Applicant: BYD Company Limited

Inventor： HU, Shichao ,  JIANG, Yimiao ,  ZHANG, Mingming

IPC: H01M50/593 ,  H01M50/289 ,  H01M50/242 ,  H01M50/209 ,  H01M50/103

Abstract: Provided is a battery (100), including a housing (10) and multiple electrode core sets (20) encapsulated in the housing (10). Every two adjacent electrode core sets (20) are connected in series. The electrode core set (20) includes an encapsulation film (201) and at least one electrode core (202), and the electrode core (202) is arranged in an accommodating cavity formed by the encapsulation film (201). The electrode core set (20) includes a first electrode (21) and a second electrode (22). The first electrode (21) and the second electrode (22) protrude out of the encapsulation film (201). The first electrode (21) of one of the two adjacent electrode core sets (20) is electrically connected to the second electrode (22) of the other electrode core set. A gap between the two adjacent electrode core sets (20) is filled with an insulating material so as to form an insulating spacer (30) between the two adjacent electrode core sets (20). A connection part of the two adjacent electrode core sets (20) is arranged in the insulating spacer (30).

公开(公告)号：EP4142025A1

公开(公告)日：2023-03-01

申请号：EP21808008.3

申请日：2021-04-20

Applicant: BYD Company Limited

Inventor： HU, Shichao ,  ZHU, Yan

IPC: H01M50/10 ,  H01M50/20

Abstract: The present disclosure provides a battery core assembly (10), a battery (100), a battery pack (200), and a vehicle (300). The battery core assembly includes an encapsulation film (11) and multiple electrode core assemblies (12) encapsulated in the encapsulation film. The electrode core assemblies are connected in series to form an electrode core string, and the electrode core assembly includes at least one electrode core (121). A first spacer ring (13) is provided between at least two adjacent battery assemblies. The first spacer ring is joined to the encapsulation film to divide an accommodating space inside the encapsulation film into multiple accommodating cavities (110). At least one first spacer ring is provided with at least one first liquid reservoir (132), and each first liquid reservoir communicates with one of the accommodating cavities at both sides of the first spacer ring. Moreover, the present disclosure further provides a battery, a battery pack, and a vehicle based on the battery core assembly provided in the present disclosure.

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：EP3175498B1

公开(公告)日：2019-01-30

申请号：EP15826462.2

申请日：2015-04-30

Applicant: BYD Company Limited

Inventor： YANG, Keli ,  JIANG, Luxia ,  HU, Shichao ,  ZHU, Jianhua

IPC: H01M2/10 ,  H01M2/36 ,  H01M10/04 ,  H01M2/14 ,  H01M2/18 ,  H01M2/02

公开(公告)号：EP3175498A1

公开(公告)日：2017-06-07

申请号：EP15826462.2

申请日：2015-04-30

Applicant: BYD Company Limited

Inventor： YANG, Keli ,  JIANG, Luxia ,  HU, Shichao ,  ZHU, Jianhua

IPC: H01M2/10 ,  H01M2/36 ,  H01M10/04 ,  H01M2/14 ,  H01M2/18 ,  H01M2/02

CPC classification number: H01M2/18 ,  H01M2/0242 ,  H01M2/14 ,  H01M2/362 ,  H01M2220/20

Abstract: A battery spacer, an electric core protection assembly having the battery spacer and a power battery are provided. The battery space includes: a spacer body; a plurality of protrusions, each protrusion being protruded from an inner surface of the spacer body, extended in a longitudinal direction of the spacer body, and formed by recessing a portion of an outer surface of the spacer body; a plurality of grooves formed in the outer surface of the spacer body, each groove corresponding to the protrusion respectively and formed by recessing the portion of the outer surface of the spacer body; and a plurality of liquid guiding slots formed in the outer surface of the spacer body and extended from the grooves to an edge of the spacer body respectively.

Abstract translation: 提供电池隔片，具有电池隔片和动力电池的电芯保护组件。 电池隔片包括：隔片主体; 多个突起，每个突起从间隔件主体的内表面突出，沿间隔件主体的纵向方向延伸，并且通过使间隔件主体的外表面的一部分凹陷而形成; 多个沟槽，其形成在间隔件主体的外表面中，每个沟槽分别对应于多个突起中的一个，并且通过使间隔件主体的外表面的一部分凹陷而形成; 以及多个液体导向槽，形成在间隔体的外表面中并且分别从间隙延伸到间隔体的边缘。

公开(公告)号：EP4503326A1

公开(公告)日：2025-02-05

申请号：EP23790890.0

申请日：2023-03-01

Applicant: BYD Company Limited

Inventor： HU, Shichao ,  CHEN, Jianen ,  ZHANG, Yaosheng ,  GAO, Jian

IPC: H01M50/583

Abstract: An adapter module (1), a battery module (2), a battery pack (3), and a vehicle (4). The adapter module (1) comprises a support member (10), a low-voltage plug member (20), a sampling assembly (30), and an electrode lead-out piece (40). The low-voltage plug member (20) is provided on the support member (10). One end of the sampling assembly (30) is provided on the support member; the described end of the sampling assembly (30) is electrically connected to the low-voltage plug member (20); and the sampling assembly (30) is used for voltage sampling and/or temperature sampling. The electrode lead-out piece (40) is provided on the support member (10), is spaced apart from the low-voltage plug member (20), and is electrically connected to the described end of the sampling assembly (30).

公开(公告)号：EP4246684A1

公开(公告)日：2023-09-20

申请号：EP21896879.0

申请日：2021-11-18

Applicant: BYD Company Limited

Inventor： HU, Shichao ,  JIANG, Yimiao

IPC: H01M50/209

Abstract: A battery module includes: a housing including a mounting space; at least one electrode core assembly disposed in the mounting space; and a glue container connected with the at least one electrode core assembly and located in the mounting space, where the glue container includes a groove with an open end, and the open end of the groove is spaced apart from a top surface or a bottom surface of the housing.

公开(公告)号：EP4138184A1

公开(公告)日：2023-02-22

申请号：EP21808137.0

申请日：2021-04-20

Applicant: BYD Company Limited

Inventor： HU, Shichao ,  ZHU, Yan ,  GAO, Xin

IPC: H01M50/172 ,  H01M50/20

Abstract: The present disclosure provides a battery core assembly (10), a battery (100), a battery pack (200), and a vehicle (300). The battery core assembly (10) includes an encapsulation film (11) and an electrode core assembly (12). The electrode core assembly is arranged in an accommodating cavity (110) defined by the encapsulation film, and the electrode core assembly (12) includes at least one electrode core (121). The electrode core assembly is provided with two electrode lead-out members (122) of opposite polarities for current output. An intermediate ring (13) is further arranged in the accommodating cavity (110) at a side of the electrode core assembly (12) provided with the electrode lead-out member, and provided with an electrode lead-out hole (131) for leading the electrode lead-out member out. Moreover, the present disclosure further provides a battery (100), a battery pack (200), and a vehicle (300) based on the battery core assembly provided in the present disclosure.

公开(公告)号：EP4087026A1

公开(公告)日：2022-11-09

申请号：EP21741117.2

申请日：2021-01-04

Applicant: BYD Company Limited

Inventor： HE, Long ,  SUN, Huajun ,  HU, Shichao ,  AO, Zhiyong ,  ZHU, Yan

IPC: H01M50/10 ,  H01M10/42

Abstract: A battery pack and an electric vehicle are provided. The battery pack (200) includes a battery sequence (201). The battery sequence (201) includes multiple cells (100). A thickness of each cell (100) extends along a first direction. The multiple cells (100) are arranged in sequence along the first direction to form the battery sequence (201). At least one of the cells (100) includes a metal shell (101) and an electrode core (102) packaged in the metal shell (101). An air pressure inside the metal shell (101) is lower than an air pressure outside the metal shell (101). A gap is provided between at least two adjacent cells (100). A ratio of the gap to the thickness of the cell (100) ranges from 0.001 to 0.15.