公开(公告)号：US20230023909A1

公开(公告)日：2023-01-26

申请号：US17780892

申请日：2020-10-22

Applicant: BYD COMPANY LIMITED

Inventor： Long HE ,  Huajun SUN ,  Zhipei LU ,  Long WAN ,  Yan ZHU

IPC: H01M50/209 ,  H01M50/236 ,  H01M50/244 ,  H01M50/249 ,  H01M50/26

Abstract: A battery pack and an electric vehicle are provided. The battery pack includes a cell array and two first reinforcing plates. The cell array includes a number of cells. Each of the cells is defined with a length L, a thickness D, and a height H between the length L and the thickness D. The number of cells are arranged along a thickness direction, and the cells are adhered to each other by a structural adhesive. The two first reinforcing plates are arranged opposite to each other and are respectively adhered to two surfaces of the cell array along the arrangement direction of the cells, and are configured to constrain relative positions between the cells.

公开(公告)号：US20220181730A1

公开(公告)日：2022-06-09

申请号：US17437348

申请日：2019-07-25

Applicant: BYD COMPANY LIMITED

Inventor： Huajun SUN ,  Zhipei LU ,  Jianglong TANG ,  Wenfeng JIANG ,  Yan ZHU

IPC: H01M50/209 ,  H01M50/249

Abstract: The present disclosure relates to a power battery pack, an energy storage device, an electric vehicle. The power battery pack includes an accommodating device and a plurality of cells, the accommodating device includes a plurality of accommodating regions, and each accommodating region has a first side edge and a second side edge and cells disposed between the first side edge and the second side edge. A distance between the first side edge and the second side edge along a first direction varies with different accommodating regions, each cell includes a first end and a second end, and a distance between the first end and the second end matches a distance between a corresponding first side edge and a corresponding second side edge.

公开(公告)号：US20220126666A1

公开(公告)日：2022-04-28

申请号：US17422130

申请日：2019-06-21

Applicant: BYD COMPANY LIMITED

Inventor： Long HE ,  Huajun SUN ,  Wenfeng JIANG ,  Zhipei LU ,  Weixin ZHENG ,  Jianglong TANG ,  Yan ZHU ,  Xinyue WANG ,  Kefeng HE

IPC: B60K1/04 ,  B60L50/60 ,  B60L50/64 ,  H01M50/209 ,  H01M50/249 ,  H01M50/342

Abstract: Provided are a power battery pack and an electric vehicle. The power battery pack includes: a pack body; and a plurality of cells, directly arranged in the pack body. The cell extends from a first side of the pack body to a second side of the pack body, and the first side and the second side are disposed opposite to each other. The first side of the pack body is provided with a first side wall, the second side of the pack body is provided with a second side wall, an end of the cell is supported by the first side wall, and the other end of the cell is supported by the second side wall.

公开(公告)号：US20220077539A1

公开(公告)日：2022-03-10

申请号：US17419443

申请日：2019-07-30

Applicant: BYD COMPANY LIMITED

Inventor： Zhenghua REN ,  Zhipei LU ,  Kun GUO ,  Qingbo PENG ,  Yan ZHU

IPC: H01M50/383 ,  H01M50/249 ,  H01M50/209 ,  H01M50/30 ,  H01M50/317 ,  H01M10/48 ,  A62C3/07 ,  A62C3/16

Abstract: The present disclosure relates to a battery tray and a power battery pack. The battery tray includes a tray body. The tray body includes a base plate and a side beam, and the side beam is disposed around the base plate and defines, together with the base plate, an accommodating space for battery cells. The base plate is formed therein with an air passage, and the base plate is provided with several inlet vents and at least one exhaust vent. The inlet vent is configured to introduce a flame, smoke or gas discharged from the battery cell into the air passage, and the exhaust vent is configured to discharge the flame, smoke or gas inside the air passage.

公开(公告)号：US20220059901A1

公开(公告)日：2022-02-24

申请号：US17419433

申请日：2019-07-24

Applicant: BYD COMPANY LIMITED

Inventor： Zhenghua REN ,  Zhipei LU ,  Kun GUO ,  Qingbo PENG ,  Yan ZHU

IPC: H01M50/358 ,  H01M10/48 ,  H01M50/249 ,  A62C3/16 ,  A62C3/08

Abstract: Provided are a battery tray and a power battery pack. The battery tray includes a tray body. The tray body includes a base plate, a side beam, and several partition plates, the side beam is disposed around the base plate and defines, together with the base plate, an accommodating space for battery cells. The partition plates are disposed on the base plate and divide the base plate into several regions for placing the battery cells. The partition plates and the side beam are each formed therein with an air passage and are in communication with each other. The partition plates are provided with several inlet vents, and the side beam is provided with at least one exhaust vent. The inlet vent is configured to introduce a flame, smoke or gas discharged from the battery cell into the air passage.

公开(公告)号：US20210159576A1

公开(公告)日：2021-05-27

申请号：US16627652

申请日：2018-06-25

Applicant: BYD COMPANY LIMITED

Inventor： Xi SHEN ,  Zhipei LU ,  Weixin ZHENG ,  Jia LU ,  Jing TAN ,  Yan ZHU ,  Jianhua ZHU

IPC: H01M50/593 ,  H01M50/209

Abstract: A battery unit includes a battery and an insulation film, the battery includes a battery housing, a battery core disposed inside the battery housing, and a battery cover plate disposed on an end portion of the battery housing; the insulation film is coated on at least one side face of the battery housing, the insulation films on two adjacent battery units are bonded to each other in the preset direction to connect the plurality of battery units together; and the insulation film includes an extension portion, where the extension portion is formed by a top portion of the insulation film which protrudes from the battery cover plate and extends upward, the top plate is disposed on an upper side of the battery unit, a groove is provided on a lower side of the top panel, and at least part of the extension portion is accommodated in the groove.

公开(公告)号：US20200313150A1

公开(公告)日：2020-10-01

申请号：US16772670

申请日：2018-12-13

Applicant: BYD COMPANY LIMITED

Inventor： Zhipei LU ,  Luxia JIANG

IPC: H01M2/34 ,  H01M10/44

Abstract: A battery system and an electric vehicle are provided. The battery system includes at least one series circuit, wherein the series circuit comprises at least one first battery pack, the first battery pack including at least two first cells connected in parallel; a current interrupt device, wherein the current interrupt device is disposed on the first cell being configured to interrupt an internal current of the first cell when the first cell is abnormal

公开(公告)号：US20190190096A1

公开(公告)日：2019-06-20

申请号：US16329174

申请日：2017-08-14

Applicant: BYD COMPANY LIMITED

Inventor： Xi SHEN ,  Zhipei LU ,  Jia LU ,  Weixin ZHENG ,  Yan ZHU ,  Jianhua ZHU

IPC: H01M10/625 ,  H01M10/613 ,  H01M2/10 ,  H01M10/6552

Abstract: The present disclosure provides an automobile tray component, including a tray base plate and mounting beams arranged around the tray base plate, where the tray base plate includes an upper plate body, an intermediate plate body, and a lower plate body, a cooling cavity is arranged between the upper plate body and the intermediate plate body, and a buffer cavity is arranged between the intermediate plate body and the lower plate body.