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

申请人： BYD Company Limited

发明人： HU, Shichao ,  JIANG, Yimiao ,  ZHANG, Mingming

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

摘要： 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：EP4246684A1

公开(公告)日：2023-09-20

申请号：EP21896879.0

申请日：2021-11-18

申请人： BYD Company Limited

发明人： HU, Shichao ,  JIANG, Yimiao

IPC分类号： H01M50/209

摘要： 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

申请人： BYD Company Limited

发明人： HU, Shichao ,  ZHU, Yan ,  GAO, Xin

IPC分类号： H01M50/172 ,  H01M50/20

摘要： 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

申请人： BYD Company Limited

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

IPC分类号： H01M50/10 ,  H01M10/42

摘要： 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.

公开(公告)号：EP4087000A1

公开(公告)日：2022-11-09

申请号：EP21740642.0

申请日：2021-01-12

申请人： BYD Company Limited

发明人： SUN, Huajun ,  LU, Zhipei ,  ZHU, Yan ,  HU, Shichao

IPC分类号： H01M10/0525 ,  H01M50/102 ,  H01M50/578 ,  H01M50/618 ,  H01M50/579

摘要： A cell (100) is provided, which includes a metal housing (11) and multiple electrode core strings encapsulated in the metal housing (11). The multiple electrode core strings are arranged in a second direction and sequentially connected in series. Each of the electrode core strings includes an encapsulation film (13) and multiple electrode core assemblies (12) arranged in a first direction and sequentially connected in series. The electrode core assemblies (12) are encapsulated in the encapsulation film (13). An atmospheric pressure between the metal housing (11) and the encapsulation film (13) is lower than an atmospheric pressure outside the metal housing (11).

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

申请人： BYD Company Limited

发明人： HU, Shichao ,  ZHU, Yan

IPC分类号： H01M50/10 ,  H01M50/20

摘要： 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

申请人： Byd Company Limited

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

IPC分类号： 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

申请人： BYD Company Limited

发明人： YANG, Keli ,  JIANG, Luxia ,  HU, Shichao ,  ZHU, Jianhua

IPC分类号： 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

申请人： BYD Company Limited

发明人： YANG, Keli ,  JIANG, Luxia ,  HU, Shichao ,  ZHU, Jianhua

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

CPC分类号： H01M2/18 ,  H01M2/0242 ,  H01M2/14 ,  H01M2/362 ,  H01M2220/20

摘要： 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.

摘要翻译： 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：EP4138208A1

公开(公告)日：2023-02-22

申请号：EP21808673.4

申请日：2021-05-12

申请人： BYD Company Limited

发明人： HU, Shichao ,  CHENG, Han

IPC分类号： H01M50/593 ,  H01M50/103

摘要： An electrode core assembly is provided, which includes an encapsulation film (11), an electrode core (12) and an spacer ring (13). The electrode core (12) and the spacer ring (13) are both arranged in an accommodating cavity defined by the encapsulation film (11). The electrode core (12) includes an electrode core body (121) and two electrode lead-out members of opposite polarities that are electrically connected to the electrode core body. The length of the electrode core body (121) extends along a first direction. Two opposite ends of the electrode core body (121) in the first direction include a V-shaped end face (1211) with a tip and protruding outward from the electrode core body (121), and the positions where the two electrode lead-out members are connected to the electrode core body (121) are respectively located at the tips of the two V-shaped end faces (1211). The spacer ring (13) includes an inclined portion (131) on the V-shaped end face (1211), and the inclined portion (131) is provided with an electrode lead-out hole (1310) penetrating through the spacer ring (13) and configured to lead out the electrode lead-out member.