公开(公告)号：EP3783688A1

公开(公告)日：2021-02-24

申请号：EP19909473.1

申请日：2019-06-21

Applicant: BYD Company Limited

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

IPC: H01M2/10

Abstract: A battery pack, a vehicle, and an energy storage device are provided. The battery pack includes a cell array and a support member, where the cell array includes a plurality of cells, the cell has a first dimension, and the first dimension is a maximum spacing between two imaginary parallel planes sandwiching the cell; and at least one of the cells 600 mm≤first dimension≤2500 mm the at least one cell includes a casing and a core located inside the casing, a supporting region is formed on the casing, and the cell is connected to the support member through the supporting region and is supported by the support member. The support member is connected to the supporting region to support the cell.

公开(公告)号：EP3008765A1

公开(公告)日：2016-04-20

申请号：EP14837530.6

申请日：2014-08-22

Applicant: BYD Company Limited

Inventor： HE, Long ,  WANG, Haiquan ,  XIAO, Hong ,  GOU, Deding

IPC: H01M2/04

CPC classification number: H01M2/0404 ,  H01M2/06 ,  H01M2/22 ,  H01M2/30 ,  H01M2220/30

Abstract: A battery cover plate assembly and a battery having the same are provided. The battery cover plate includes: a cover plate (1); an insulation sheet (3) comprising an insulation sheet body (30) defining first and second ends (301, 302) and a limitation portion (31) disposed at the second end (302) of the insulation sheet body (30) and defining a limitation space (32) with a lower surface of the insulation sheet body (30); and a negative connection sheet (2) comprising a riveting portion (21) and a negative tab connection portion (22) defining a limitation end (221), in which the riveting portion (21) is connected with the insulation sheet (3) and the cover plate (1) via a rivet (4), and the limitation end (221) is inserted into the limitation space (32).

Abstract translation: 提供了一种电池盖板组件和具有该电池盖板组件的电池。 该电池盖板包括：盖板（1）; 绝缘片（3），其包括限定第一端和第二端（301,302）的绝缘片主体（30）和设置在绝缘片主体（30）的第二端（302）处的限制部分（31） 限制空间（32）与绝缘片体（30）的下表面接触; 和负极连接片（2），所述负极连接片（2）包括限定端部（221）的铆接部分（21）和负极片连接部分（22），铆接部分（21）与绝缘片（3）连接， 所述盖板（1）通过铆钉（4）连接，所述限位端（221）插入所述限位空间（32）内。

公开(公告)号：EP2956970A1

公开(公告)日：2015-12-23

申请号：EP14797737.5

申请日：2014-05-14

Applicant: BYD Company Limited

Inventor： LI, Guangdi ,  HUANG, Yaoqin ,  WANG, Hongbin ,  HE, Long ,  XU, Jiaolian ,  XIE, Yong

IPC: H01L31/042 ,  F24J2/54 ,  H02S20/32 ,  H02S20/30

CPC classification number: H02S20/32 ,  F24S30/455 ,  F24S2030/131 ,  F24S2030/14 ,  F24S2030/18 ,  H02S20/30 ,  Y02E10/47

Abstract: A solar cell support assembly includes: a plurality of support bases; a rotation shaft rotatably supported on the support bases; a frame connected to the rotation shaft to rotate with the rotation shaft and swung with respect to the rotation shaft in a pitch direction to change a pitch angle formed between the rotation shaft and the frame, the frame defining a first portion located above the rotation shaft and a second portion located below the rotation shaft; and a adjusting device disposed between the frame and the rotation shaft to adjust the pitch angle.

Abstract translation: 太阳能电池支撑组件包括：支撑件（4）; 可旋转地支撑在支撑件（4）上的旋转轴（1）; 与旋转轴（1）连接并与旋转轴（1）一起旋转并且相对于旋转轴（1）在俯仰方向上摆动以改变旋转轴（1）之间形成的俯仰角的框架（2） 和所述框架（2），所述框架（2）限定位于所述旋转轴（1）上方的第一部分和位于所述旋转轴（1）下方的第二部分; 以及设置在框架（2）和旋转轴（1）之间以调节俯仰角的调节装置。

公开(公告)号：EP2260129A1

公开(公告)日：2010-12-15

申请号：EP08715127.0

申请日：2008-02-29

Applicant: BYD Company Limited

Inventor： CHENG, Tangli ,  HE, Long ,  JIANG, Zhanfeng ,  TIAN, Ye ,  LIU, Junfeng

IPC: C30B29/22 ,  H01M4/58 ,  H01M4/48 ,  C01B25/45

CPC classification number: C01B25/45 ,  C01G23/002 ,  C01G25/006 ,  C01G31/006 ,  C01G33/006 ,  C01G45/1221 ,  C01G49/009 ,  C01G51/44 ,  C01G53/44 ,  C01P2002/72 ,  C01P2006/40 ,  H01M4/136 ,  H01M4/364 ,  H01M4/5825 ,  H01M4/625 ,  H01M10/052

Abstract: Described is a composite lithium compound having a mixed crystalline structure. Such compound was formed by heating a lithium compound and a metal compound together. The resulting mixed metal crystal exhibits superior electrical property and is a better cathode material for lithium secondary batteries.

公开(公告)号：EP2122740A1

公开(公告)日：2009-11-25

申请号：EP07816992.7

申请日：2007-09-27

Applicant: Byd Company Limited

Inventor： HE, Long ,  TANG, Jianhua ,  MA, Xiaopeng

IPC: H01M10/40 ,  H01M2/14

CPC classification number: H01M10/0525 ,  H01M2/14 ,  H01M2/1686 ,  H01M2/18 ,  H01M10/0585

Abstract: A stacked-type lithium ion battery, comprising a core, a battery shell, and a cover plate; said core is placed in the battery shell, said cover plate is coupled to the battery shell in a sealed manner; said core comprises a plurality of layers of positive plates, negative plates, and membranes that are stacked together with each other, and the membrane is between the positive plate and the negative plate; wherein at least two membranes are in a 5-175° included angle between their tensile directions. Since the tensile directions of the membranes are different, the overall tensile strengths of the battery in all tensile directions are essentially same; therefore, the phenomenon of short circuit in the battery resulted from membrane rupture in lower tensile strength directions can be prevented, and the battery safety performance is greatly enhanced.

公开(公告)号：EP4329058A3

公开(公告)日：2025-05-21

申请号：EP23220825.6

申请日：2019-06-21

Applicant: BYD Company Limited

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

IPC: H01M50/209 ,  H01M50/249

Abstract: The present invention basically relates to a power battery pack, configured to provide power for an electric vehicle and comprising: a pack body; a plurality of cells, disposed in the pack body, the cell having a length Lo, a width Ho, and a thickness D 0 , wherein L 0 >H 0 ≥D 0 ; when the power battery pack is placed on the electric vehicle, a length direction of the cell extends along a width direction or a length direction of the electric vehicle; when the length direction of the cell extends along the width direction of the electric vehicle, the length L 0 of the cell and a size W of a vehicle body of the electric vehicle in the width direction meet: 46%≤L 0 /W≤76%; or when the length direction of the cell extends along the length direction of the electric vehicle, the length L 0 of the cell and a size X of the vehicle body of the electric vehicle in the length direction meet: 40%≤L 0 /X≤76%, at least one of the cells, comprising a battery body, the battery body having a length L, a width H, a thickness D, and a volume V, the length L of the battery body being greater than the width H, and the width H of the battery body being greater than the thickness D, wherein the battery body meets: 400mm≤L≤2500mm and D/V=0.0000065 mm -2 to 0.00002 mm -2 .

公开(公告)号：EP4329056A2

公开(公告)日：2024-02-28

申请号：EP23220823.1

申请日：2019-06-21

Applicant: BYD Company Limited

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

IPC: H01M50/103

Abstract: The present invention basically relates to a power battery pack, configured to provide power for an electric vehicle and comprising: a pack body; a plurality of cells, disposed in the pack body, the cell having a length L 0 , a width H 0 , and a thickness D 0 , wherein L 0 >H 0 ≥D 0 ; when the power battery pack is placed on the electric vehicle, a length direction of the cell extends along a width direction or a length direction of the electric vehicle; when the length direction of the cell extends along the width direction of the electric vehicle, the length L 0 of the cell and a size W of a vehicle body of the electric vehicle in the width direction meet: 46%≤L 0 /W≤76%; or when the length direction of the cell extends along the length direction of the electric vehicle, the length L 0 of the cell and a size X of the vehicle body of the electric vehicle in the length direction meet: 40%≤L 0 /X≤76%, at least one of the cells, comprising a battery body, the battery body having a length L, a width H, a thickness D, and a volume V, the length L of the battery body being greater than the width H, and the width H of the battery body being greater than the thickness D, wherein the battery body meets: 400mm≤L≤2500mm and L/V= 0.0005mm-2 to 0.002mm-2.

公开(公告)号：EP4087024A1

公开(公告)日：2022-11-09

申请号：EP20913488.1

申请日：2020-12-29

Applicant: BYD Company Limited

Inventor： HE, Long ,  SUN, Huajun ,  ZHU, Yan ,  HU, Shichao

IPC: H01M50/10 ,  H01M50/20

Abstract: A cell, a battery pack, and an electric vehicle are provided in the present disclosure. The cell includes a hermetical metal housing and at least two hermetical accommodating cavities, multiple electrode core assemblies, and an encapsulation film arranged in the metal housing. The electrode core assemblies are arranged along a first direction. The electrode core assemblies are connected in series. A length of each electrode core assembly extends along the first direction. The electrode core assembly includes an electrode core assembly body and a first electrode and a second electrode configured to lead out a current. The first electrode and the second electrode are respectively arranged on two sides of the electrode core assembly body along the first direction. At least one of the accommodating cavities is defined by the encapsulation film, and the electrode core assembly body is arranged in the accommodating cavity. A length of the cell extends along the first direction. The length of the cell ranges from 400 mm to 2500 mm. A thickness of the cell extends along a second direction perpendicular to the first direction. A ratio of the length to the thickness of the cell ranges from 5 to 250.

公开(公告)号：EP3357109A1

公开(公告)日：2018-08-08

申请号：EP16874876.2

申请日：2016-12-15

Applicant: BYD Company Limited

Inventor： FENG, Dali ,  SONG, Wei ,  HU, Jialing ,  JIN, Lina ,  SHAN, Jun ,  HE, Long

IPC: H01M2/16 ,  H01M10/052

CPC classification number: H01M2/1686 ,  D01D5/0038 ,  D01F6/18 ,  D01F6/74 ,  D01F6/76 ,  H01M2/145 ,  H01M2/162 ,  H01M2/1646 ,  H01M2/1653 ,  H01M2/166 ,  H01M2/1666 ,  H01M10/052 ,  H01M10/0525

Abstract: The present disclosure provides a composite film, a method of preparing the same and a lithium battery having the same. The composite film includes a porous separator and a fiber layer disposed on a surface of the porous separator and containing polyetherimide.

公开(公告)号：EP2956971A1

公开(公告)日：2015-12-23

申请号：EP14798461.1

申请日：2014-05-14

Applicant: BYD Company Limited

Inventor： HE, Long ,  XU, Jiaolian ,  WANG, Hongbin ,  HUANG, Yaoqin ,  LI, Guangdi

IPC: H01L31/042

CPC classification number: H02S20/32 ,  F16B7/182 ,  F24S30/425 ,  F24S2030/13 ,  F24S2030/136 ,  F24S2030/15 ,  Y02E10/47

Abstract: A solar cell support assembly includes a plurality of support bases; swing bars; beams extended in a longitudinal direction and spaced from one another in a transverse direction, the beams connected to the plurality of the swing bars correspondingly, each of the beams rotatably supported on one of the plurality of support bases and adapted to mount solar panels, each of the beams comprising a hollow tube, and a wall thickness of each beam decreases gradually along a direction from a connecting position between the beam and the swing bar to two ends of the beam; a pushrod connected to the swing bars to drive the plurality of the swing bars to rotate the beams, respectively; and a driving device connected to the pushrod to drive the pushrod to move along the transverse direction.

Abstract translation: 太阳能电池支撑组件包括多个支撑基座; 摆杆 横梁在纵向方向上延伸并且在横向方向上彼此间隔开，梁相应地连接到多个摆动杆，每个梁可旋转地支撑在多个支撑基座之一上并且适于安装太阳能电池板，每个 包括中空管的梁，并且每个梁的壁厚沿着从梁和摆杆之间的连接位置到梁的两端的方向逐渐减小; 与所述摆杆连接的推杆，以分别驱动所述多个所述摆杆来旋转所述梁; 以及与推杆连接的驱动装置，以驱动推杆沿横向方向移动。