公开(公告)号：US20190109305A1

公开(公告)日：2019-04-11

申请号：US15873527

申请日：2018-01-17

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yulian Zheng ,  Chengyou Xing ,  Quankun Li ,  Peng Wang ,  Lulu Bai

IPC: H01M2/04 ,  H01M2/08 ,  H01M2/06 ,  H01M2/30 ,  H01M2/02 ,  H01M2/12

CPC classification number: H01M2/0473 ,  H01M2/021 ,  H01M2/043 ,  H01M2/0482 ,  H01M2/06 ,  H01M2/08 ,  H01M2/12 ,  H01M2/305 ,  H01M2200/20 ,  H01M2220/20

Abstract: The present disclosure provides a cap assembly for a secondary battery and a secondary battery. The cap assembly includes a cap plate, a fixing member, a connecting member and an electrode terminal, wherein the cap plate has an electrode lead-out hole; the fixing member is fixed to the cap plate through the connecting member and provided with a weakened portion that is close to a center line of the cap plate in a width direction of the cap plate; and the electrode terminal includes a terminal board, wherein the terminal board has an outer peripheral surface at least partially surrounded by the fixing member so that the electrode terminal is fixed to the fixing member, and the terminal board is provided on a side of the cap plate and covers the electrode lead-out hole.

公开(公告)号：US20190074486A1

公开(公告)日：2019-03-07

申请号：US15871463

申请日：2018-01-15

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xiang Li ,  Rulai Cai ,  Xianfeng Yu ,  Peng Wang ,  Quankun Li

IPC: H01M2/04 ,  H01M10/02

CPC classification number: H01M2/04 ,  H01M2/1241 ,  H01M2/30 ,  H01M2/345 ,  H01M10/02 ,  H01M2200/00

Abstract: Provided are a top cover assembly and a secondary battery containing the same. The top cover assembly includes a cover plate, and a first terminal assembly; the top cover plate includes a main body and a protrusion connected to the main body, the protrusion protrudes beyond an upper surface of the main body, an accommodation chamber is defined below the protrusion, the protrusion faces the accommodation chamber, the first terminal assembly includes a deformable plate, and the deformable plate is connected to the top cover plate and covers the accommodation chamber. Such solution can sufficiently utilize the space between the upper surface of the top cover plate and the upper surface of the second terminal assembly, improve the space utilization of the secondary battery, improve the deformation resistance of the top cover plate and the strength of the top cover plate, and keep the secondary battery safe.

公开(公告)号：US20180294467A1

公开(公告)日：2018-10-11

申请号：US15917296

申请日：2018-03-09

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yulian Zheng ,  Chengyou Xing ,  Peng Wang ,  Taosheng Zhu ,  Fenggang Zhao

IPC: H01M2/26 ,  H01M2/30 ,  H01M2/04 ,  H01M10/04

CPC classification number: H01M2/263 ,  H01M2/0469 ,  H01M2/0482 ,  H01M2/20 ,  H01M2/24 ,  H01M2/26 ,  H01M2/30 ,  H01M10/0431

Abstract: The present disclosure provides a secondary battery which comprises a cap plate, an electrode assembly and a first connecting piece. The cap plate comprises a first electrode terminal; the electrode assembly comprises a main body, a first electrode tab; the first connecting piece is connected between the first electrode tab and the first electrode terminal. The first electrode tab includes a first connecting portion provided below the first connecting piece and a first bending portion connecting the main body and the first connecting portion. The secondary battery further comprises a first protecting piece fixed to a bottom of the first connecting portion. The first protecting piece includes a main portion and a first curve portion connected with an outer end of the main portion and curved relative to the main portion; the first bending portion is bent downwardly along a curved outer wall of the first curve portion.

公开(公告)号：US20180233715A1

公开(公告)日：2018-08-16

申请号：US15881089

申请日：2018-01-26

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Chengyou Xing ,  Quankun Li ,  Peng Wang ,  Zhijun Guo

IPC: H01M2/04 ,  H01M2/08

CPC classification number: H01M2/0404 ,  H01M2/0486 ,  H01M2/06 ,  H01M2/08 ,  H01M2/30 ,  H01M10/05

Abstract: A top cap structure for a power battery is provided. The power battery top cap structure includes a first and second electrode assemblies, and a top cap piece. The first electrode assembly includes a first electrode column having an upper and lower sections, a first seal member and a first connection block. The upper section and the first connection block are formed from a first base metal. The lower section is formed from a second base metal different from the first base metal. The upper section includes a step portion, and the lower section is joined with a bottom surface of the upper section below the top cap piece. The first seal member includes a horizontal extending portion. The horizontal extending portion is disposed between a lower surface of the top cap piece and the step portion. The top portion of the upper section connects with the first connection block.

公开(公告)号：US20180166676A1

公开(公告)日：2018-06-14

申请号：US15813865

申请日：2017-11-15

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Chengyou Xing ,  Yulian Zheng ,  Peng Wang ,  Jian Guo ,  Zhijun Guo

IPC: H01M2/34 ,  H01M2/08 ,  H01M2/04 ,  H01M2/30

CPC classification number: H01M2/345 ,  H01M2/043 ,  H01M2/08 ,  H01M2/1077 ,  H01M2/1241 ,  H01M2/1252 ,  H01M2/20 ,  H01M2/305 ,  H01M2200/20 ,  H01M2220/10 ,  H01M2220/20

Abstract: A power battery and a power battery top cap structure for a power battery are provided. The power battery top cap structure includes first and second electrode assemblies, a lower insulation member, a top cap piece, and an abutment member. Both the first and second electrode assemblies are fixed on the top cap piece. The lower insulation member is fixed below the top cap piece. The lower insulation member includes, along an X axis, a snapping portion and a connecting portion. The abutment member extends along a Y axis and abuts between the connecting portion and the top cap piece so that a minimum distance between the connecting portion and the top cap piece along the Z axis is G3, where G3>0. G3 may be greater than a minimum distance between the connecting portion and the top cap piece when the lower insulation member is fixed without the abutment member.

公开(公告)号：US20240429544A1

公开(公告)日：2024-12-26

申请号：US18822510

申请日：2024-09-03

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenhui Zhang ,  Pengcheng Yao ,  Xingdi Chen ,  Peng Wang

IPC: H01M50/298 ,  H01M50/202 ,  H01M50/249 ,  H01M50/256

Abstract: The present disclosure relates to a box body (10), a battery (100), and an electric device. The box body (10) includes a main body (11) and a middle channel beam (16). The main body (11) has an accommodation chamber(s). The middle channel beam (16) extends in a first direction and disposed at the top of the main body (11), and is equidistant from outer edges of two sides of the top of the main body (11) in a second direction intersecting the first direction. The middle channel beam (16) has a wiring channel (16a) configured to allow for passing of a harness.

公开(公告)号：US20240396095A1

公开(公告)日：2024-11-28

申请号：US18796310

申请日：2024-08-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Runyong He ,  Peng Wang ,  Feng Qin

IPC: H01M10/42 ,  H01M10/04 ,  H01M50/593

Abstract: The present application provides a battery, a power consumption apparatus, and a battery manufacturing method and device. The battery includes: a box body, including a side wall for forming an accommodating cavity by enclosing; a battery cell group, disposed inside the accommodating cavity and including a plurality of battery cells, where the plurality of battery cells are stacked; an end plate, disposed inside the accommodating cavity and located between the battery cell group and the side wall; an electrical energy lead-out member, used for leading out electrical energy of the battery cell group, where the electrical energy lead-out member includes a first segment, a second segment, and a third segment connected in sequence, the second segment is embedded in the end plate, the first segment and the third segment extend out from the end plate, and the first segment is electrically connected to the battery cell group.

公开(公告)号：US20240372209A1

公开(公告)日：2024-11-07

申请号：US18773595

申请日：2024-07-16

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuyong Lei ,  Zhijun Guo ,  Peng Wang

IPC: H01M50/342 ,  H01M50/249 ,  H01M50/578 ,  H01M50/593

Abstract: Some embodiments provide cell, a battery and an electricity consuming device. The battery cell includes a shell, a pressure relief mechanism, an electrode assembly and an insulating member. The pressure relief mechanism is disposed on the shell. The electrode assembly is accommodated within the shell. The insulating member is accommodated within the shell, at least a portion of the insulating member is located between the pressure relief mechanism and the electrode assembly, and a portion of the insulating member located between the pressure relief mechanism and the electrode assembly is provided with a first weak portion.

公开(公告)号：US20240363947A1

公开(公告)日：2024-10-31

申请号：US18770674

申请日：2024-07-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhanyu Sun ,  Xingdi Chen ,  Peng Wang

IPC: H01M50/249 ,  B60K1/04 ,  H01M50/209 ,  H01M50/242 ,  H01M50/383

CPC classification number: H01M50/249 ,  B60K1/04 ,  H01M50/209 ,  H01M50/242 ,  H01M50/383 ,  B60K2001/0438 ,  H01M2220/20

Abstract: This application relates to a battery pack and an electric apparatus. The battery pack includes a box and a battery cell. The box encloses an accommodating cavity, and the battery cell is accommodated in the accommodating cavity, where the box includes a bearing member, the battery cell is disposed at a surface of the bearing member, and a minimum thickness H of the bearing member and a weight M of the battery pack satisfy 0.0002 mm/kg

公开(公告)号：US20240347824A1

公开(公告)日：2024-10-17

申请号：US18754203

申请日：2024-06-26

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin Zhou ,  Liangfan Xu ,  Daowei Yang ,  Jian Zhou ,  Quankun Li ,  Peng Wang

IPC: H01M50/15 ,  H01M50/103 ,  H01M50/131 ,  H01M50/553

CPC classification number: H01M50/15 ,  H01M50/103 ,  H01M50/131 ,  H01M50/553

Abstract: Provided are an end cover assembly, a battery cell, a battery, and an electrical device, relating to the field of batteries. The end cover assembly includes an end cover, a groove, and a reinforcing portion. The end cover has a first surface and a second surface opposite in its thickness direction. The groove is recessed from the first surface in a direction towards the second surface. The reinforcing portion protrudes from the first surface and/or the second surface, and surrounds the groove.