公开(公告)号：EP2577767A1

公开(公告)日：2013-04-10

申请号：EP11789106.9

申请日：2011-04-27

Applicant: BYD Company Limited ,  Shenzhen BYD Auto R&D Company Limited

Inventor： JIANG, Luxia ,  ZHU, Jianhua

IPC: H01M2/00 ,  H01M2/10 ,  H01M2/26 ,  H01M2/34 ,  H01M10/00

CPC classification number: H01M2/18 ,  H01M2/1016 ,  H01M2/1061 ,  H01M2/1077 ,  H01M2/1083 ,  H01M2/206

Abstract: A battery spacer is provided. The battery spacer (2) comprises a first spacing plate (22) and a second spacing plate (22') aligned with and spaced from each other in a longitudinal direction and a plurality of beams (211) parallel to and spaced from each other in a transverse direction. Each beam (211) is connected between the first and second spacing plates (22, 22) in the longitudinal direction and protrudes outwardly from a plane formed by back surfaces of the first and second spacing plates (22, 22). The beams (211) are configured to securely receive at least tabs of cell cores between neighboring beams (211). A battery protecting device and a power battery are provided as well.

Abstract translation: 提供电池间隔件。 电池间隔件（2）包括在纵向方向上彼此对准并且彼此间隔开的第一间隔板（22）和第二间隔板（22'）以及彼此平行并彼此间隔开的多个梁（211） 横向。 每个梁（211）在纵向方向上连接在第一和第二间隔板（22,22）之间，并从由第一和第二间隔板（22,22）的后表面形成的平面向外突出。 梁（211）构造成至少牢固地接收相邻梁（211）之间的至少小区芯。 还提供电池保护装置和动力电池。

公开(公告)号：EP2564411A1

公开(公告)日：2013-03-06

申请号：EP11774407.8

申请日：2011-04-28

Applicant: BYD Company Limited ,  Shenzhen BYD Auto R&D Company Limited

Inventor： TONG, Zhiwei ,  LAI, Qing ,  ZHU, Jianhua

IPC: H01H85/05

CPC classification number: H01H85/044 ,  H01H85/0445 ,  H01H85/143 ,  H01H85/36 ,  H01H2085/025

Abstract: A fuse includes an upper shell, a lower shell and a cavity formed by the upper shell and the lower shell; first and second conductors which are respectively disposed between the upper shell and the lower shell. The first ends of each conductors are disposed in the cavity and form a clearance. The second ends of the conductors extend out from the cavity. A conductive bar is welded to the first and second conductors to form a first weld line and a second weld line.

Abstract translation: 保险丝包括上壳体，下壳体和由上壳体和下壳体形成的空腔; 分别设置在上壳和下壳之间的第一和第二导体。 每个导体的第一端设置在空腔中并形成间隙。 导体的第二端从腔体伸出。 导电棒焊接到第一和第二导体以形成第一焊线和第二焊线。

公开(公告)号：EP2321865A1

公开(公告)日：2011-05-18

申请号：EP09809253.9

申请日：2009-08-27

Applicant: Byd Company Limited

Inventor： ZHU, Jianhua ,  ZHOU, Hao

IPC: H01M2/04 ,  H01M2/08 ,  H01M2/30 ,  H01M10/00

CPC classification number: H01M2/307 ,  H01M2/0404 ,  H01M2/06 ,  H01M2/08 ,  H01M2/1061

Abstract: The present invention discloses a battery cover board assembly, a battery having the same and a battery pack. Further, the present invention discloses a method of forming the same. The battery cover board assembly comprises a cover board, a hollow rivet, a sealing member and electrode terminals. The battery cover board assembly comprises a cover board with at least a thr ough hole formed thereon, at least a hollow rivet fixed on the cover board with a hollow portion thereof being communicated with each through hole of the at l east a thr ough hole in which a sealing member is disposed with an electrode terminal penetrating through the hollow rivet and embedding in the sealing member. The sealing member is configured to extend beyond an upper portion of the hollow rivet and wrap ar ound the upper portion thereof. With the present invention, the safety performance of the invention is enhanced accordingly.

公开(公告)号：EP2225793A1

公开(公告)日：2010-09-08

申请号：EP08868949.2

申请日：2008-12-24

Applicant: BYD Company Limited

Inventor： JIANG, Luxia ,  ZHENG, Weixin ,  ZHU, Jianhua

IPC: H01M10/50 ,  H01M2/22

CPC classification number: H01M2/348 ,  H01M2/043 ,  H01M2/046 ,  H01M2/0473 ,  H01M2/06 ,  H01M2/08 ,  H01M2/206 ,  H01M2/22 ,  H01M2/305 ,  H01M6/5038 ,  H01M10/0422 ,  H01M10/0431 ,  H01M10/0525 ,  H01M10/0587 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6553 ,  Y02E60/12 ,  Y02E60/122 ,  Y02T10/7011

Abstract: An electrochemical storage cell having a coiled core is disclosed. The coiled core includes a cathode sheet, an anode sheet, and a separator sheet. An anode connector is connected with the anode sheet at a first end of the coiled core and a cathode connector is connected with the cathode sheet at a second, opposite end of the coiled core. The coiled core has a length Lcore and a width Wcore and each connector has a width Wconnector. The length of the coiled core Lcore, width of the coiled core Wcore, and width of each connector Wconnector have the relationship 0core-Wconnector)/Lcore

公开(公告)号：EP2137777A1

公开(公告)日：2009-12-30

申请号：EP07846163.9

申请日：2007-12-26

Applicant: Byd Company Limited

Inventor： ZHENG, Weixin ,  ZHU, Jianhua ,  SHEN, Xi

IPC: H01M2/12 ,  H01M10/52 ,  F16K17/02 ,  F16K17/164

CPC classification number: H01M2/1229 ,  F16K17/02 ,  H01M10/0525 ,  Y10T137/7837

Abstract: A safety valve for battery has a valve body (1) and a valve core (2). The valve body (1) is fixed on a cover plate (4) of a battery and covers a discharging hole (9) in the cover plate (4) of the battery. The valve body (1) is formed with an exhaust opening (3) which is communicated with an internal space of the valve body (1). The valve core (2) is elastically held between a top cover (11) of the valve body (1) and the cover plate (4) of the battery. A plurality of columns (6) are arranged at intervals along a circumference of a gap between a side wall of the valve core (2) and an inner wall of the valve body (1). A cavity defined by every two adjacent columns (6), the side wall of the valve core (2) and the inner wall of the valve body (1) forms as a side exhaust slot (7) which is communicated with the exhaust opening (3) in the valve body (1).

公开(公告)号：EP1935050B1

公开(公告)日：2009-10-07

申请号：EP06741796.4

申请日：2006-05-08

Applicant: Byd Company Limited

Inventor： ZHU, Jianhua ,  SHEN, Xi ,  HAN, Yili ,  LAI, Qing

IPC: H01M10/50

CPC classification number: F28D15/0233 ,  F28D15/0266 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6554 ,  H01M10/6557 ,  H01M10/6568

Abstract: Disclosed herein is a heat dissipating device for a battery pack which comprises a heat collecting plate having a heat collecting channel, a heat dissipating plate having a heat dissipating channel, and a pump, wherein, one port of the heat collecting channel is communicated with one port of the heat dissipating channel, the other port the heat collecting channel is communicated with the liquid outlet of the pump, and the liquid inlet of the pump is communicated with the other port of the heat dissipating channel. A battery pack using the heat dissipating device is also disclosed. During the operation of the heat dissipating device, the heat generated by the cells can be collected in the heat collecting plate and absorbed by the cooling liquid pumped into the heat collecting channel by the pump, the cooling liquid carrying the heat flows into the heat dissipating channel, the heat is dissipated outwardly through the heat dissipating plate, and then the cooling liquid is repeatedly pumped from the heat dissipating channel into the heat collecting channel by the pump, such that the heat generated by the cells can be dissipated rapidly and efficiently.

公开(公告)号：EP2057703A1

公开(公告)日：2009-05-13

申请号：EP06828381.1

申请日：2006-12-18

Applicant: Byd Company Limited

Inventor： HE, Long ,  SHEN, Xi ,  ZHU, Jianhua ,  GU, Hongchi

IPC: H01M2/14

CPC classification number: H01M2/18 ,  H01M10/0585

Abstract: Disclosed are a plate assembly for a battery, a core and a lithium ion battery. The plate assembly comprises a plate, a conductive terminal and a membrane bag, the plate is encapsulated in the membrane bag, an encapsulation line is formed when the membrane bag is encapsulated, and the conductive terminal is disposed at one end of the plate and protruded out of the membrane bag, wherein the encapsulation line has at least two loops around the periphery of the plate. The core comprises the plate assembly of the present invention. The lithium ion battery comprises the core of the present invention. Since the membrane bag included in the plate assembly of the present invention is encapsulated by at least two loops of encapsulation line around the periphery of the plate, the membrane bag can be encapsulated tightly, which can prevent effectively the membrane bag from being cracked, and prevent the short circuit from being occurred due to the contact of the positive and negative plates, and thereby effectively improves the mechanical impact resistance of the battery.

公开(公告)号：EP1932204A1

公开(公告)日：2008-06-18

申请号：EP06741795.6

申请日：2006-05-08

Applicant: Byd Company Limited

Inventor： SHEN, Xi ,  ZHU, Jianhua ,  LAI, Qing ,  HAN, Yili

IPC: H01M10/50

CPC classification number: F28D15/0266 ,  F28D15/0233 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6552 ,  H01M10/6555

Abstract: Disclosed herein is a heat dissipating device for a battery pack which comprises a heat pipe and a heat collecting plate comprising a bottom heat collecting plate and an upper heat collecting plate each having a hole therein, wherein two ends of the heat pipe are inserted respectively into the holes in the bottom heat collecting plate and the upper heat collecting plate. A battery using the heat dissipating device is also disclosed. During the operation of the heat dissipating device, since the heat generated by the cells can be colleted in the upper heat collecting plate, then transmitted to the bottom heat collecting plate through the heat pipe, and finally dissipated outwardly by the bottom heat collecting plate, the heat generated by cells can be dissipated rapidly and efficiently.

公开(公告)号：EP3648219A1

公开(公告)日：2020-05-06

申请号：EP18823776.2

申请日：2018-06-25

Applicant: BYD Company Limited

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

IPC: H01M10/04 ,  H01M2/10 ,  H01M2/14

Abstract: A battery module is provided, including a plurality of battery units stacked along a preset direction and a top panel, where the 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 at least on a side face of the battery housing, the insulation films of every 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 panel 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. The present disclosure realizes weight reduction of the battery module without decreasing the strength of the battery module.

公开(公告)号：EP3605643A1

公开(公告)日：2020-02-05

申请号：EP18776070.7

申请日：2018-03-16

Applicant: BYD Company Limited

Inventor： ZHENG, Weixin ,  SHEN, Xi ,  ZHU, Jianhua ,  JIANG, Luxia ,  ZHU, Yan

IPC: H01M2/04 ,  H01M2/12

Abstract: The present disclosure relates to a battery cover assembly, a battery cell, a battery module, a power battery pack and an electric vehicle. The battery cover assembly includes a cover plate 104, an electrode inner terminal and an electrode outer terminal. The electrode inner terminal is electrically connected to the electrode outer terminal through a current interrupt structure disposed on the cover plate 104. The current interrupt structure includes a sealed chamber 103 configured to fill a gas-producing medium therein. The sealed chamber 103 is configured to make the gas-producing medium to be electrically connected to positive electrodes and negative electrodes of a battery. When a voltage difference between the positive electrodes and negative electrodes of the battery exceeds a rated value, the gas-producing medium is capable of producing gas, to disrupt the electrical connection between the electrode inner terminal and the electrode outer terminal under the action of the pressure of the gas. That is, gas production in the sealed chamber in the cover assembly is independent of gas production inside the battery, so that gas pressure can be formed for the current interrupt structure in time to activate the current interrupt structure in time, thereby improving the battery safety.