公开(公告)号：US20230041144A1

公开(公告)日：2023-02-09

申请号：US17792657

申请日：2021-01-12

Applicant: BYD COMPANY LIMITED

Inventor： Huajun SUN ,  Zhipei LU ,  Yan ZHU ,  Shichao HU

IPC: H01M50/211 ,  H01M50/119 ,  H01M50/103 ,  H01M50/105 ,  H01M50/121 ,  H01M50/124 ,  H01M50/133 ,  H01M50/209 ,  H01M50/249

Abstract: 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 air pressure between the metal housing (11) and the encapsulation film (13) is lower than an air pressure outside the metal housing (11).

公开(公告)号：US20160006013A1

公开(公告)日：2016-01-07

申请号：US14655537

申请日：2013-09-12

Applicant: BYD COMPANY LIMITED

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

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 ,  Y02P70/54

Abstract: A battery includes a shell, a core and a protection component received in the shell. The core includes a first electrode tab connected to a first current collector and a second electrode tab connected to a second current collector of the core. The protection component includes two insulating layers and a conducting layer disposed between two insulating layers. The conducting layer defines a first end electrically connected to the first electrode tab and a second end configured as a free end, and an outmost current collector of the core is configured by the second current collector.

Abstract translation: 电池包括壳体，芯部和接收在壳体中的保护部件。 芯包括连接到第一集电器的第一电极片和连接到芯的第二集电器的第二电极片。 保护部件包括两个绝缘层和设置在两个绝缘层之间的导电层。 导电层限定电连接到第一电极接线片的第一端和被配置为自由端的第二端，并且芯的最外部的集流器由第二集电器构成。

公开(公告)号：US20230110488A1

公开(公告)日：2023-04-13

申请号：US17792246

申请日：2021-01-08

Applicant: BYD COMPANY LIMITED

Inventor： Yan ZHU ,  Shichao HU

IPC: H01M50/119 ,  B60L50/64 ,  H01M50/133 ,  H01M50/15 ,  H01M50/159 ,  H01M50/184 ,  H01M50/209 ,  H01M10/04

Abstract: A battery (100), a battery module, a battery pack (200), and an electric vehicle are provided. The battery (100) includes a metal housing (11), a packaging member, and multiple electrode core assemblies (12). The packaging member includes two packaging portions (13) that are arranged opposite to each other. The packaging member has an internal space. The two packaging portions (13) are joined at a predetermined position to divide the internal space of the packaging member into multiple sealed accommodating cavities. At least one sealed accommodating cavity is provided with the electrode core assembly (12). The metal housing (11) is sleeved outside the packaging member.

公开(公告)号：US20230080549A1

公开(公告)日：2023-03-16

申请号：US17988120

申请日：2022-11-16

Applicant: BYD COMPANY LIMITED

Inventor： Shichao HU ,  Mingming ZHANG

IPC: H01M50/291 ,  H01M50/105 ,  H01M50/211 ,  H01M50/588 ,  H01M50/593 ,  H01M50/293 ,  H01M50/514

Abstract: A battery includes a housing and multiple electrode core assemblies in the housing. The electrode core assemblies are connected. Each electrode core assembly includes an encapsulation film and an electrode core arranged in an accommodating cavity defined by the encapsulation film. An insulating spacer is arranged between two connected electrode core assemblies and has a through hole. The electrode core assembly includes a first electrode and a second electrode. The first electrode of one electrode core assembly is connected to the second electrode of the other electrode core assembly of the connected two electrode core assemblies at a connecting part accommodated in the through hole. The insulating spacer includes a peripheral surface facing an inner surface of the housing. A metal member is arranged on the peripheral surface of the insulating spacer. The metal member is connected to the housing to fix the insulating spacer with the housing.

公开(公告)号：US20230076552A1

公开(公告)日：2023-03-09

申请号：US17988053

申请日：2022-11-16

Applicant: BYD COMPANY LIMITED

Inventor： Shichao HU ,  Yan ZHU

IPC: H01M50/538 ,  H01M50/289 ,  H01M50/682

Abstract: A battery core assembly includes an encapsulation film and multiple electrode core assemblies disposed in the encapsulation film. The electrode core assemblies are connected to form an electrode core string, and each of the electrode core assemblies includes at least one electrode core. A spacer is disposed between two adjacent electrode core assemblies, the first spacer divides an accommodating space inside the encapsulation film into multiple accommodating cavities, cavity walls of the accommodating cavities includes the first spacer and the encapsulation film connected to the first spacer, and the electrode core assemblies are respectively accommodated in the accommodating cavities. The first spacer includes at least one first liquid reservoir, and the at least one first liquid reservoir communicates with one of accommodating cavities on both sides of the first spacer.

公开(公告)号：US20230075479A1

公开(公告)日：2023-03-09

申请号：US17988097

申请日：2022-11-16

Applicant: BYD COMPANY LIMITED

Inventor： Shichao HU ,  Yan ZHU

IPC: H01M50/533 ,  H01M50/105 ,  H01M50/178 ,  H01M50/548 ,  H01M50/566 ,  H01M50/474 ,  H01M50/477 ,  H01M50/586 ,  H01M50/593 ,  H01M50/609

Abstract: The present disclosure provides a battery core assembly, a battery, a battery pack, and a vehicle. The battery core assembly includes an encapsulation film and an electrode core assembly encapsulated in the encapsulation film. The electrode core assembly includes an electrode core assembly body and two electrode lead-out members of opposite polarities electrically connected to the electrode core assembly body. The electrode core assembly body includes at least two electrode cores connected in parallel. Each of the electrode cores includes an electrode core body and two tabs of opposite polarities that are electrically connected to the electrode core body. The electrode core assembly body further includes a tab support. The two electrode lead-out members are respectively electrically connected to one of the tab supports located two sides of the electrode core assembly body in a first direction.

公开(公告)号：US20230072369A1

公开(公告)日：2023-03-09

申请号：US17988023

申请日：2022-11-16

Applicant: BYD COMPANY LIMITED

Inventor： Shichao HU ,  Mingming ZHANG ,  Yan ZHU

IPC: H01M50/289 ,  H01M50/242 ,  H01M50/51 ,  H01M50/249

Abstract: A battery includes a housing and multiple electrode core assemblies in the housing. Each electrode core assembly includes a packing film and an electrode core located in an accommodating cavity defined by the packing film. A spacer is arranged between two adjacent electrode core assemblies connected in series. Each electrode core assembly includes a first electrode and a second electrode extending out of the packing film. The first electrode of a first electrode core assembly is connected to the second electrode of a second electrode core assembly of the two adjacent electrode core assemblies through a connecting portion in a through hole. The spacer includes an outer surface facing the housing. A first positioning portion is formed on the outer surface, A second positioning portion corresponding to the first positioning portion is formed on the inner surface of the housing and is coupled with the first positioning portion.

公开(公告)号：US20230040013A1

公开(公告)日：2023-02-09

申请号：US17792658

申请日：2021-01-04

Applicant: BYD COMPANY LIMITED

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

IPC: H01M50/24 ,  H01M50/249 ,  H01M50/271 ,  H01M50/30 ,  H01M50/51 ,  H01M50/224

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

公开(公告)号：US20220416357A1

公开(公告)日：2022-12-29

申请号：US17778987

申请日：2020-11-19

Applicant: BYD COMPANY LIMITED

Inventor： Huajun SUN ,  Zhipei LU ,  Yan ZHU ,  Shichao HU

IPC: H01M50/298 ,  H01M50/51 ,  H01M50/519 ,  H01M50/184

Abstract: The present disclosure provides a battery, including: a housing (10); a plurality of accommodating cavities (60) arranged in the housing; a partition plate (20) for separating two adjacent accommodating cavities (60); an electrode core assembly (30), received in one of the accommodating cavities (60), the electrode core assembly (30) including at least one electrode core, and a plurality of electrode core assemblies (30) being sequentially arranged in a first direction and connected in series; a plurality of sampling wires, electrically connected to the plurality of electrode core assemblies (30) correspondingly; and a wire harness channel, receiving the plurality of sampling wires. A battery module, a battery pack, and an electric vehicle are further provided.

公开(公告)号：US20210126231A1

公开(公告)日：2021-04-29

申请号：US17019852

申请日：2020-09-14

Applicant: BYD COMPANY LIMITED

Inventor： Chuanfu WANG ,  Long HE ,  Huajun SUN ,  Jianhua ZHU ,  Zhipei LU ,  Yan ZHU ,  Shichao HU

IPC: H01M2/10 ,  B60L50/64 ,  H01M2/36

Abstract: A battery includes a case and a battery core assembly disposed in the case, the battery core assembly includes a plurality of battery core groups and an receiving space holding the plurality of battery core groups, the battery core groups are connected in series, and the battery core group includes at least one battery core; a separator plate is disposed between at least two adjacent battery core groups, the separator plate divides the receiving space into a plurality of receiving cavities, each of the receiving cavities holds one or more battery core groups , and a cavity wall of the receiving cavity comprised by a connection of the separator plate and a separation membrane; and the battery further includes a liquid injection channel and the liquid injection channel in a sealed state, the liquid injection channel is disposed on at least one of the separation membranes and the separator plates.