公开(公告)号：US10396409B2

公开(公告)日：2019-08-27

申请号：US15499503

申请日：2017-04-27

Applicant: BYD COMPANY LIMITED

Inventor： Zhiwei Tong ,  Qing Lai ,  Jianhua Zhu

IPC: H01M10/00 ,  H01M10/613 ,  H01M10/6563 ,  H01M10/6556 ,  H01M10/653 ,  H01M10/6551 ,  H01M2/10

Abstract: A heat sink and power battery system are provided. The heat sink includes a heat dissipation plate and a cover plate. The heat dissipation plate includes a bottom plate and a plurality of fins arranged on the bottom plate in a comb-like pattern. The cover plate is fixedly connected to the heat dissipation plate. The fins of the heat dissipation plate are disposed between the bottom plate and the cover plate, and an air duct is formed among the bottom plate, the fins, and the cover plate.

公开(公告)号：US10243182B2

公开(公告)日：2019-03-26

申请号：US15188492

申请日：2016-06-21

Applicant: BYD COMPANY LIMITED

Inventor： Yan Zhu ,  Qingbo Peng ,  Jia Lu ,  Xuefeng Zhang ,  Wei Liu ,  Yan Huang ,  Zhipei Lu ,  Jianhua Zhu

IPC: H01M2/10 ,  H01M10/42 ,  H01M10/48 ,  H01M2/20

Abstract: A power battery module includes a battery accommodating assembly having a plurality of separators, the separator comprising: a separator body; a left cover; and a right cover, in which adjacent separators are detachably connected with each other; a battery group; a power connection member, a line snap-fit, a power connection line and a signal collection assembly.

公开(公告)号：US09748552B2

公开(公告)日：2017-08-29

申请号：US14655528

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 ,  H01M10/04 ,  H01M10/6553 ,  H01M10/654 ,  H01M10/617 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/0587

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

Abstract: A battery includes a shell, a core received in the shell and having first and second electrode tabs, and first and second protection components. Each of the first and second protection components includes two insulating layers and a conducting layer disposed between two insulating layers. The conducting layer of the first protection component defines a first end electrically connected to the first electrode tab and a second end configured as a free end. The conducting layer of the second protection component defines a first end electrically connected to the second electrode tab and a second end configured as a free end.

公开(公告)号：US11056748B2

公开(公告)日：2021-07-06

申请号：US16474828

申请日：2017-07-05

Applicant: BYD COMPANY LIMITED

Inventor： Jianhua Zhu ,  Qing Lai ,  Zhiwei Tong ,  Yan Zhu

IPC: H01M2/34 ,  H01M50/209 ,  H01M50/578 ,  H01M50/581

Abstract: A battery pack comprises a plurality of batteries. The protection device is disposed between two adjacent batteries and comprises: a first connecting assembly, a second connecting assembly and a conductive connecting assembly. The protection device has a normal state and an alarm state. When the protection device is in the normal state, the first connecting assembly and the second connecting assembly are spaced apart, and the overload protection circuit is open. When the protection device is in the alarm state, the first connecting assembly is electrically connected with the housing of the first battery, the second connecting assembly is electrically connected with the housing of the second battery, at least one of the first connecting assembly and the second connecting assembly moves to be electrically connected with each other, and the overload protection circuit is closed.

公开(公告)号：US10804522B2

公开(公告)日：2020-10-13

申请号：US16110548

申请日：2018-08-23

Applicant: BYD COMPANY LIMITED

Inventor： Peng Lu ,  Luxia Jiang ,  Shichao Hu ,  Jianhua Zhu ,  Yan Zhu

IPC: H01M2/34 ,  B60L50/64 ,  H01M2/04 ,  H01M2/26 ,  H01M2/12

Abstract: The present disclosure discloses a single-cell battery, a battery module, a power battery, and an electric vehicle. The single-cell battery includes a case, a battery cell accommodated in the case, an electrode terminal electrically connected to the battery cell, and a cover plate for sealing the case. The electrode terminal is disposed on the cover plate. The electrode terminal includes a battery post passing through the cover plate and electrically connected to the battery cell with an internal guide member. The single-cell battery further includes a current interruption device mounted on the battery post. The current interruption device includes a flipping member in communication with gas inside the case. The flipping member is connected to an outer end surface of the battery post with a connection point. The connection point is configured to be disconnected under action of air pressure.

公开(公告)号：US10777791B1

公开(公告)日：2020-09-15

申请号：US16707837

申请日：2019-12-09

Applicant: BYD COMPANY LIMITED

Inventor： Chuanfu Wang ,  Long He ,  Huajun Sun ,  Jianhua Zhu ,  Zhipei Lu ,  Yan Zhu ,  Shichao Hu

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

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：US10749223B2

公开(公告)日：2020-08-18

申请号：US16092573

申请日：2017-03-30

Applicant: BYD COMPANY LIMITED

Inventor： Zhipei Lu ,  Xuefeng Zhang ,  Jia Lu ,  Qingbo Peng ,  Wei Liu ,  Jianhua Zhu

IPC: H01M2/10 ,  H01M10/613 ,  F28F3/12 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6556 ,  H01M10/653 ,  H01M10/6568 ,  B60L3/00 ,  B60L50/64 ,  B60L58/26 ,  H01M10/6552 ,  H01M10/6554 ,  F28D15/02 ,  F28F9/02 ,  F28D1/03 ,  F28F21/08 ,  B60R16/033

Abstract: A tray, a tray assembly, a battery pack assembly and a vehicle are provided. The tray includes a bottom plate having a plurality of sub-bottom plates and a flow channel in at least one of the plurality of sub-bottom plates. The at least one of the plurality of sub-bottom plates is configured to support a battery assembly. The tray further includes a frame disposed around and configured to support the bottom plate. The tray provides a reduced volume requirement on the cavity for holding the battery assembly. The flow channels are arranged more concisely, and a water cooling mode and an air cooling mode are employed in the tray.

公开(公告)号：US09941505B2

公开(公告)日：2018-04-10

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 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/6553 ,  H01M10/654 ,  H01M10/617 ,  H01M10/0585 ,  H01M10/0587

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.

公开(公告)号：US09941502B2

公开(公告)日：2018-04-10

申请号：US15189927

申请日：2016-06-22

Applicant: BYD COMPANY LIMITED

Inventor： Jia Lu ,  Qingbo Peng ,  Yan Zhu ,  Xuefeng Zhang ,  Wei Liu ,  Yan Huang ,  Zhipei Lu ,  Jianhua Zhu

IPC: H01M2/20 ,  B60L11/18 ,  H01M10/48 ,  H01M2/22 ,  H01M2/30 ,  H01M10/42

CPC classification number: H01M2/206 ,  B60L11/1851 ,  B60L11/1879 ,  H01M2/22 ,  H01M2/305 ,  H01M10/425 ,  H01M10/482 ,  H01M2220/20 ,  Y02T10/7005 ,  Y02T10/705

Abstract: A signal collection and power connection assembly of a power battery module, a power battery module and a vehicle are provided. The assembly includes a substrate, a power connection member fixed on the substrate, a power connection line formed by a first sheet-like conductor disposed on the substrate, a signal collection line formed by a second sheet-like conductor disposed on the substrate, and a signal collection member disposed on the substrate and coupled with the signal collection line. A terminal of the power connection line is coupled with the power connection member, and a terminal of the signal collection line is coupled with the power connection member.

公开(公告)号：US11335982B2

公开(公告)日：2022-05-17

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 ,  H01M50/20 ,  H01M10/6555 ,  H01M10/658

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.