公开(公告)号：US20240243428A1

公开(公告)日：2024-07-18

申请号：US18618502

申请日：2024-03-27

Applicant: BYD COMPANY LIMITED

Inventor： Yuanmao SHU ,  Yanfeng WU ,  Xiao WANG ,  Weixin ZHENG ,  Zhipei LU

IPC: H01M50/367 ,  H01M10/613 ,  H01M10/653 ,  H01M10/6556 ,  H01M50/211 ,  H01M50/213 ,  H01M50/249 ,  H01M50/342

CPC classification number: H01M50/367 ,  H01M10/613 ,  H01M10/653 ,  H01M10/6556 ,  H01M50/211 ,  H01M50/213 ,  H01M50/249 ,  H01M50/3425 ,  H01M2220/20

Abstract: A battery housing includes: a tray including a first channel; an explosion-proof valve disposed on the tray, the first channel being in communication with the explosion-proof valve; at least one module transverse beam disposed in the tray and including an accommodating portion, at least a part of a bottom of the accommodating portion being depressed downward to form a groove, and an opening disposed at at least one end of the groove along a length direction of the module transverse beam; and a liquid cooling plate connected to an outside of a bottom of the module transverse beam, at least one connection channel being formed between the liquid cooling plate and the module transverse beam, and the opening of the at least one module transverse beam being in communication with the first channel through the connection channel.

公开(公告)号：US20240021920A1

公开(公告)日：2024-01-18

申请号：US18476657

申请日：2023-09-28

Applicant: BYD COMPANY LIMITED

Inventor： Yueqiu YOU ,  Xiao WANG ,  Yanfeng WU ,  Weixin ZHENG ,  Zhipei LU

IPC: H01M10/658 ,  H01M10/6556 ,  H01M10/613 ,  H01M10/615 ,  H01M10/6567

CPC classification number: H01M10/658 ,  H01M10/6556 ,  H01M10/613 ,  H01M10/615 ,  H01M10/6567

Abstract: The present disclosure relates to a composite temperature control plate and a battery pack. The composite temperature control plate includes a temperature control layer and a protective layer. The temperature control layer is configured to lower or raise a temperature of the battery pack. The protective layer is laminated and fixed on the temperature control layer. The protective layer includes a heat insulating layer. The heat insulating layer is made of a heat insulating material. The protective layer includes a mounting portion extending at least to an periphery of the temperature control layer. The mounting portion is configured to connect with outside.

公开(公告)号：US20230352767A1

公开(公告)日：2023-11-02

申请号：US18347753

申请日：2023-07-06

Applicant: BYD COMPANY LIMITED

Inventor： Jiamao FENG ,  Zhipei LU ,  Huabing XU ,  Huabiao LI

IPC: H01M10/6554 ,  H01M10/6556 ,  H01M10/6568 ,  H01M10/653 ,  H01M10/613 ,  H01M10/625 ,  H01M50/204

CPC classification number: H01M10/6554 ,  H01M10/6556 ,  H01M10/6568 ,  H01M10/653 ,  H01M10/613 ,  H01M10/625 ,  H01M50/204 ,  H01M2220/20

Abstract: A battery pack includes a liquid cooling plate and a battery stack. the battery stack comprises at least one battery module; and the liquid cooling plate comprises a liquid cooling plate body, a liquid inlet, and a liquid outlet. The liquid cooling plate body defines a liquid cooling circuit, the liquid cooling circuit comprises a peripheral liquid inflow channel, an effluent liquid collecting channel, and an intermediate channel communicating between the peripheral liquid inflow channel and the effluent liquid collecting channel. The liquid inlet is connected onto the liquid cooling plate body and communicates with the peripheral liquid inflow channel; and the liquid outlet is connected onto the liquid cooling plate body and communicates with the effluent liquid collecting channel. The peripheral liquid inflow channel encircles an edge of the liquid cooling plate body, and the intermediate channel is at an inner side of the peripheral liquid inflow channel.

公开(公告)号：US20230198068A1

公开(公告)日：2023-06-22

申请号：US17972120

申请日：2022-10-24

Applicant: BYD COMPANY LIMITED

Inventor： Huajun SUN ,  Zhipei LU ,  Qingbo PENG ,  Long WAN ,  Yan ZHU

IPC: H01M50/24 ,  H01M50/30 ,  H01M50/505 ,  H01M50/211 ,  H01M50/509 ,  H01M50/569 ,  H01M50/291 ,  H01M50/249 ,  B60K1/04

CPC classification number: H01M50/24 ,  H01M50/394 ,  H01M50/505 ,  H01M50/211 ,  H01M50/509 ,  H01M50/569 ,  H01M50/291 ,  H01M50/249 ,  B60K1/04 ,  H01M2220/20

Abstract: A 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, and 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.

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.

公开(公告)号：US20230042566A1

公开(公告)日：2023-02-09

申请号：US17972099

申请日：2022-10-24

Applicant: BYD COMPANY LIMITED

Inventor： Huajun SUN ,  Zhipei LU ,  Qingbo PENG ,  Long WAN ,  Yan ZHU

IPC: H01M50/244 ,  H01M50/249 ,  B60L50/60 ,  B60L50/64

Abstract: The present disclosure provides a battery pack housing, a battery pack, and an electric vehicle. The battery pack housing includes a housing body and at least one structural beam disposed in the housing body. The at least one structural beam divides the internal space of the housing body into a number of accommodation cavities. The housing body includes a top plate and a bottom plate arranged opposite to each other in a first direction, the first direction is a height direction of the battery pack housing, and the structural beam is located between and attached to the top plate and the bottom plate. The battery pack housing comprises a mounting part for connecting mounting portion for a fixed connection with an external load. The battery pack housing disclosed in the present disclosure has relatively high strength and stiffness as well as high space utilization.

公开(公告)号：US20230041540A1

公开(公告)日：2023-02-09

申请号：US17971901

申请日：2022-10-24

Applicant: BYD COMPANY LIMITED

Inventor： Huajun SUN ,  Zhipei LU ,  Qingbo PENG ,  Long WAN ,  Yan ZHU

IPC: H01M50/291 ,  H01M50/211 ,  H01M50/271 ,  H01M50/509 ,  H01M50/242 ,  H01M50/224 ,  H01M50/178 ,  H01M50/548 ,  H01M50/503 ,  B60L50/64

Abstract: A battery pack includes a 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 is connected to the top plate and the bottom plate, and 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.

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：US20220416336A1

公开(公告)日：2022-12-29

申请号：US17781306

申请日：2020-10-23

Applicant: BYD COMPANY LIMITED

Inventor： Peng LU ,  Zhipei LU ,  Xinyue WANG ,  Dongjun DENG ,  Yan ZHU

IPC: H01M50/164 ,  H01M50/159 ,  H01M50/543 ,  H01M50/148 ,  H01M50/593

Abstract: A cover plate assembly, a battery, a battery module, a power battery pack, and an electric vehicle are disclosed. The cover plate assembly includes a cover plate body (1), a first electrode terminal (2), a second electrode terminal, and a resistive coating (3). The second electrode terminal is insulatively connected with the cover plate body (1). The first electrode terminal (2) is electrically connected with the cover plate body (1) by the resistive coating (3). The resistive coating (3) includes a weak portion (331). When a current flowing through the resistive coating (3) is greater than a predetermined threshold, the weak portion (331) is melted to disconnect the cover plate body (1) from the first electrode terminal (2).