公开(公告)号：EP2223365B1

公开(公告)日：2015-10-21

申请号：EP08867248.0

申请日：2008-12-24

Applicant: BYD Company Limited

Inventor： LAI, Qing ,  SHI, Jingjing ,  YIN, Qiyong ,  ZHU, Jianhua ,  SHEN, Xi

IPC: H01M2/12 ,  H01M2/04 ,  H01M2/26 ,  H01M4/64 ,  H01M4/70

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：EP1973182A1

公开(公告)日：2008-09-24

申请号：EP06828460.3

申请日：2006-12-28

Applicant: Byd Company Limited

Inventor： SHEN, Xi ,  HAN, Lei

IPC: H01M2/34 ,  H01M2/12

CPC classification number: H01M2/34 ,  H01M2/022 ,  H01M2/1223 ,  H01M2/1235 ,  H01M2200/00

Abstract: A secondary battery provided with a safety element (16) comprising a conductive current interrupter (161) and an insulation holder (162) at thereof bottom. By safety element provided at the bottom of the battery, either sealed formation technology or open-formation technology is allowed in battery formation processing, and any other sealing method is selectable as well as pressing sealing.

Abstract translation: 一种二次电池，其具有安全元件（16），该安全元件包括导电电流断流器（161）和位于其底部的绝缘支架（162）。 通过设置在电池底部的安全元件，在电池形成处理中允许采用密封形成技术或开孔形成技术，并且可以选择任何其他密封方法以及压制密封。

公开(公告)号：EP1952475A1

公开(公告)日：2008-08-06

申请号：EP06722294.3

申请日：2006-04-11

Applicant: Byd Company Limited

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

IPC: H01M10/38 ,  H01M2/02

CPC classification number: H01M2/0202 ,  H01M2/04 ,  H01M2/0434 ,  H01M2/202 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/617 ,  H01M10/6554 ,  H01M2002/0205

Abstract: Disclosed herein is a lithium ion battery comprising an electrode core, an electrolyte solution, a metal shell and an end cover assembly, said metal shell comprising an outer wall, an inner wall and a chamber, said electrode core and electrolyte solution being located in the chamber of the metal shell, and said electrode core being connected to the end cover assembly with a electrode terminal of the electrode core, wherein the number of said electrode core is more than one, and the multiple electrode cores are located in the chamber of the metal shell. The lithium ion battery according to the present invention possesses excellent disperse heat dispersion, high mechanical safety, and good high rate discharge performance. In addition, the battery according to the present invention solves the problems of the 'wound battery' of the prior art that the electrode plate is long and difficult to wind, and the 'stacked battery' of the prior art that the electrode plate is difficult to prepare and pile up by dividing the electrode core of high capacity into multiple electrode core of low capacity placed abreast in the metal shell, whereby simplifying the preparation thereof.

公开(公告)号：EP3726625A1

公开(公告)日：2020-10-21

申请号：EP18888794.7

申请日：2018-12-13

Applicant: BYD Company Limited

Inventor： HE, Long ,  SHEN, Xi ,  JIANG, Luxia ,  JIANG, Wenfeng

IPC: H01M2/34

Abstract: A battery system and an electric vehicle are disclosed. The battery system includes at least one series circuit, a pouch battery and at least one first cell connected to the pouch battery in series being disposed in the series circuit, and a current interrupt device being disposed on the first cell; and the current interrupt device of the first cell being configured to interrupt an internal current of the first cell when at least one of the pouch battery and the first cell is abnormal.

公开(公告)号：EP2939294B1

公开(公告)日：2020-08-26

申请号：EP13866928.8

申请日：2013-09-12

Applicant: BYD Company Limited

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

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

公开(公告)号：EP3123554A1

公开(公告)日：2017-02-01

申请号：EP15815138.1

申请日：2015-05-12

Applicant: BYD Company Limited

Inventor： SHEN, Xi ,  JIANG, Wenfeng ,  LIU, Jin ,  JIA, Xiaohui

IPC: H01M10/60

CPC classification number: H01M10/615 ,  B60H1/00278 ,  B60K2001/005 ,  B60K2001/006 ,  B60L11/1874 ,  B60L11/1875 ,  H01M10/4207 ,  H01M10/443 ,  H01M10/486 ,  H01M10/625 ,  H01M10/6571 ,  H01M2010/4271 ,  H01M2010/4278 ,  H01M2220/20

Abstract: Embodiments of the present disclosure provide a battery heating system, a battery assembly and an electric vehicle. The battery heating system includes: a battery group having a positive terminal and a negative terminal; a switch having a first end connected with the positive terminal; a large-current discharge module, and a controller connected to the switch and configured to control the switch according to a temperature of the battery group. A first end of the large-current discharge module is connected to a second end of the switch, and a second end of the large-current discharge module is connected to the negative terminal. When the switch is turned on, the battery group discharges via the large-current discharge module and the battery group is heated due to an internal resistance thereof.

Abstract translation: 本公开的实施例提供一种电池加热系统，电池组件和电动车辆。 电池加热系统包括：具有正端子和负端子的电池组; 开关，其具有与所述正极端子连接的第一端子; 大电流放电模块和连接到开关并被配置为根据电池组的温度来控制开关的控制器。 大电流放电模块的第一端连接到开关的第二端，大电流放电模块的第二端连接到负极端子。 当开关打开时，电池组通过大电流放电模块放电，并且电池组由于其内部电阻而被加热。

公开(公告)号：EP2939294A1

公开(公告)日：2015-11-04

申请号：EP13866928.8

申请日：2013-09-12

Applicant: Byd Company Limited

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

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

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.

Abstract translation: 一种电池包括：外壳（1）; 容纳在壳体（1）中并且具有第一和第二电极片（41,42）的芯（4）; 和第一和第二保护部件（2,3），第一和第二保护部件（2,3）中的每一个包括两个绝缘层和设置在两个绝缘层之间的导电层，其中第一和第二保护部件的导电层（21） （2）限定电连接到所述第一电极接线片（41）的第一端和被配置为自由端的第二端，并且所述第二保护部件（3）的所述导电层（31）限定电连接 到第二电极接线片（42）以及被配置为自由端的第二端。

公开(公告)号：EP2057703B1

公开(公告)日：2013-11-06

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: H01M2/18

CPC classification number: H01M2/18 ,  H01M10/0585

公开(公告)号：EP1973182B1

公开(公告)日：2011-11-30

申请号：EP06828460.3

申请日：2006-12-28

Applicant: Byd Company Limited

Inventor： SHEN, Xi ,  HAN, Lei

IPC: H01M2/34 ,  H01M2/12

CPC classification number: H01M2/34 ,  H01M2/022 ,  H01M2/1223 ,  H01M2/1235 ,  H01M2200/00

Abstract: A secondary battery provided with a safety element (16) comprising a conductive current interrupter (161) and an insulation holder (162) at thereof bottom. By safety element provided at the bottom of the battery, either sealed formation technology or open-formation technology is allowed in battery formation processing, and any other sealing method is selectable as well as pressing sealing.

公开(公告)号：EP2223368B1

公开(公告)日：2011-09-21

申请号：EP08783727.4

申请日：2008-07-24

Applicant: Byd Company Limited

Inventor： SHEN, Xi ,  XIA, Yu ,  PAN, Fuzhong

IPC: H01M4/04 ,  H01M4/48 ,  H01M10/0525 ,  H01M10/0569 ,  H01M4/13

CPC classification number: H01M4/131 ,  H01M4/0404 ,  H01M4/133 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/364 ,  H01M4/366 ,  H01M4/485 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2004/027

Abstract: A negative electrode for battery is provided. The negative electrode comprises a current collector and a negative electrode material coat on the current collector. The negative electrode material comprises carbonaceous material, binder, and lithium titanium oxide compound, wherein in the negative electrode material coat, the carbonaceous material has total weight percentage content higher than that of the lithium titanium oxide compound; and the negative electrode material coat comprises at least two layers; in the outermost layer of the negative electrode material coat, the carbonaceous material has weight percentage content lower than that of the lithium titanium oxide compound; in other layers of the negative electrode material coat, the carbonaceous material has weight percentage content higher than that of the lithium titanium oxide compound. A lithium ion battery using the negative electrode is provided.