公开(公告)号：US20160006071A1

公开(公告)日：2016-01-07

申请号：US14728586

申请日：2015-06-02

Applicant: Ningde Amperex Technology Limited

Inventor： Cong Li ,  Ping He ,  Yeli Lin ,  Zhong Shi ,  Huali Zhou ,  Hongxin Fang ,  Wenqiang Cheng

IPC: H01M10/04 ,  H01M10/0525

CPC classification number: H01M10/045 ,  H01M10/0525 ,  H01M2220/20 ,  H01M2220/30 ,  Y02E60/122 ,  Y02P70/54

Abstract: The present disclosure provides a preparation method of non-rectangular laminated cell, which comprises steps of: preparing k kinds of laminated cell units, wherein there are at least two kinds of laminated cell units adopting different electrode plate assemblies which are different in shape and/or size; laminating the k kinds of laminated cell units. The preparation of the i-th (i=1, 2 . . . k) kind of laminated cell unit comprises substeps of: providing a laminated pack: the laminated pack comprises ni laminated groups, the each laminated group comprises mi electrode plate assemblies which are the same in shape and size, ni≧2, mi≧2, the electrode plate assemblies of all the laminated groups of the laminated pack and spacers between the adjacent laminated groups are orderly positioned in a Z-shaped separator in a laminating direction; the separator is broken at an end of the each spacer positioned in the separator.

Abstract translation: 本发明提供非矩形层压电池的制备方法，其包括以下步骤：制备k种层压电池单元，其中存在至少两种采用不同电极板组件的层压电池单元，其形状不同和/ 或尺寸; 层压k种层压电池单元。 第i（i = 1,2，...）种层压电池单元的制备包括以下子步骤：提供层压包装：层压包装包括ni层压组，每个层叠组包括mi电极板组件 形状和尺寸相同，ni≥2，mi≥2，叠层组件的所有叠层组的电极板组件和相邻层压组之间的间隔件在层叠方向上有序地定位在Z形隔板中; 分离器在位于分离器中的每个间隔件的端部处断裂。

公开(公告)号：US20150360268A1

公开(公告)日：2015-12-17

申请号：US14574184

申请日：2014-12-17

Applicant: Ningde Amperex Technology Limited

Inventor： Zhongxin ZHOU ,  Jianfu Qiu ,  Zilong Shao ,  Binbin Guo ,  Ping He ,  Cong Li ,  Jianqun Xiong

IPC: B21B1/40

CPC classification number: B21D1/05 ,  B21B2001/383 ,  H01M4/0435 ,  H01M4/139

Abstract: The present disclosure provides a roller-press apparatus, which comprises: an unwinding mechanism around which an electrode plate to be rolled is wound, the electrode plate has a foil and a coating layer, the foil has at least a coated area and a blank foil area, the foil is provided with the coating layer at the coated area and is not provided with the coating layer at the blank foil area; a rolling mechanism; and a stretching mechanism. The stretching mechanism comprises: two guide rollers; and an uneven roller positioned between the two guide rollers, and forming a wrap angle with the two guide rollers, the uneven roller matches the electrode plate in size to allow a protruding portion of the uneven roller to act on the foil at the blank foil area, so as to allow the foil at the blank foil area to be plastically deformed.

Abstract translation: 本公开提供一种辊压装置，其包括：卷绕机构，卷绕电极板的卷绕机构，电极板具有箔片和涂布层，箔片至少具有涂布区域和空白箔片 区域，箔在涂布区域设置有涂层，并且在空白箔区域处不设置涂层; 滚动机构; 和拉伸机构。 拉伸机构包括：两个导辊; 以及位于两个导辊之间的不平坦辊，并与两个导辊形成包角，不平坦辊的尺寸与电极板匹配，以允许不平坦辊的突出部分作用在箔箔区域上的箔上 以使箔箔区域上的箔发生塑性变形。

公开(公告)号：US12183954B2

公开(公告)日：2024-12-31

申请号：US17458107

申请日：2021-08-26

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Peipei Guo ,  Ping He ,  Yejun Peng

IPC: H01M50/54 ,  H01M10/04 ,  H01M50/116 ,  H01M50/502 ,  H01M50/533 ,  H01M50/552

Abstract: A battery, including a battery cell and a housing assembly accommodating the battery cell. The battery cell includes a first tab. The housing assembly includes a first housing body and a second housing body. The first housing body and the second housing body define an accommodation space to accommodate the battery cell. The first housing body and/or the second housing body include an installation portion provided with a via hole. A conductive member is disposed on an inner surface or an outer surface of the housing assembly and electrically connected to the first tab. In a through direction of the via hole, a projection of the conductive member is at least partially located in the via hole. The conductive member can avoid occupying internal space of the housing assembly, and increase the energy density of the battery. An electric device containing the battery is provided.

公开(公告)号：US12009483B2

公开(公告)日：2024-06-11

申请号：US17710936

申请日：2022-03-31

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Peipei Guo ,  Yi Zhao ,  Ping He ,  Hongxin Fang ,  Wenqiang Cheng

IPC: H01M10/00 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/0587 ,  H01M50/528 ,  H01M50/536 ,  H01M50/538

CPC classification number: H01M10/0585 ,  H01M10/0409 ,  H01M10/0431 ,  H01M10/0525 ,  H01M10/0587 ,  H01M50/528 ,  H01M50/536 ,  H01M50/538 ,  H01M2220/20

Abstract: A secondary battery cell includes an anode electrode plate, an anode electrode tab, a cathode electrode plate, a cathode electrode tab and a separator. The secondary battery cell winding formation system includes a working platform, a winding mechanism, an anode electrode plate unwinding roller, an anode electrode plate cleaning mechanism, an anode electrode plate die-cutting mechanism, an anode electrode tab supply mechanism, an anode electrode tab connection mechanism, an anode electrode plate convey mechanism, a cathode electrode plate unwinding roller, a cathode electrode plate cleaning mechanism, a cathode electrode plate die-cutting mechanism, a cathode electrode tab supply mechanism a cathode electrode tab connection mechanism, a cathode electrode plate convey mechanism, a first separator unwinding roller, a second separator unwinding roller, a first separator convey mechanism and a second separator convey mechanism.

公开(公告)号：US11069935B2

公开(公告)日：2021-07-20

申请号：US16259948

申请日：2019-01-28

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Peipei Guo ,  Ping He ,  Yejun Peng ,  Jianwei Lin ,  Bin Xie

IPC: H01M50/116 ,  H01M10/0525

Abstract: A cell and a battery are provided. The cell includes an electrode assembly and a packaging bag, the electrode assembly includes a first electrode sheet provided with a first coating layer and a first uncoated region, the packaging bag includes a first body, the electrode assembly is disposed in the packaging bag, and the first uncoated region is electrically connected with the first body. Further, the electrode assembly may further include a second electrode sheet provided with a second coating layer and a second uncoated region, the packaging bag may further include a second body, and the second uncoated region is electrically connected with the second body.

公开(公告)号：US11024868B2

公开(公告)日：2021-06-01

申请号：US16203597

申请日：2018-11-28

Applicant: Ningde Amperex Technology Limited

Inventor： Peipei Guo ,  Ping He ,  Yi Zhao ,  Hongxin Fang ,  Wenqiang Cheng

IPC: H01M10/04 ,  H01M4/13 ,  H01M50/538

Abstract: The present application provides a second battery cell comprising first and second electrodes, first and second tabs, and a separator. The first electrode and second electrode include first and second current collectors and first and second active material layers respectively. The first and second electrodes are formed with first and second tab accommodating grooves for accommodating the first and second tabs respectively. The first tabs are arranged in pairs, and two first tabs in each pair are respectively located on the upper and lower sides of the first winding starting section of the first electrode along the thickness direction of the secondary battery cell; and/or the second tabs are arranged in pairs, and two second tabs in each pair are respectively located on the upper and lower sides of the second winding starting section of the second electrode along the thickness direction of the secondary battery cell.

公开(公告)号：US20200083576A1

公开(公告)日：2020-03-12

申请号：US16258689

申请日：2019-01-28

Applicant: Ningde Amperex Technology Limited

Inventor： Sen Lin ,  Peipei Guo ,  Ping He ,  Qingshan Wen

IPC: H01M10/637 ,  H01M10/44

Abstract: Embodiments of the present application provide a protective device for cell including a first conductive component and a second conductive component that are disposed oppositely and spaced apart. A switching unit disposed between the first conductive component and the second conductive component is configured to disconnect the first conductive component from the second conductive component based on a predetermined temperature of the cell. The purpose of the present application is to provide a protection device for cell to timely cut off the internal circuit of the cell when the internal temperature of the cell is high.

公开(公告)号：US10166723B2

公开(公告)日：2019-01-01

申请号：US15299089

申请日：2016-10-20

Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Yajie Zhang ,  Ping He ,  Liqing Lin ,  Jiali Dong

IPC: B29C65/52 ,  B29C65/48 ,  B33Y10/00 ,  B33Y80/00 ,  H01M10/0525 ,  H01M10/058 ,  H01M2/08 ,  H01M2/04 ,  B29C67/00 ,  B29K105/00 ,  B29K33/00 ,  B29L31/00

Abstract: A method of edge sealing for a secondary lithium battery, including: (1) drawing a 3D model of a battery edge of a secondary lithium battery, and inputting it into a 3D printer; (2) positioning the secondary lithium battery in a 3D printing area, and fixing a relative position of the secondary lithium battery in the 3D printing area; (3) stimulating, by the 3D printer, the battery edge according to the 3D model and setting a printing path; (4) adding edge sealing glue in a printing head of the 3D printer, the printing head moves according to the set printing path and meantime performs at least one time of printing, so that printed edge sealing glue covers the battery edge; (5) solidifying the edge sealing glue. The method of edge sealing of this application has broader application, which can be applied to batteries of any shape.

公开(公告)号：US20170170456A1

公开(公告)日：2017-06-15

申请号：US15444196

申请日：2017-02-27

Applicant: DONGGUAN AMPEREX TECHNOLOGY LIMITED ,  NINGDE AMPEREX TECHNOLOGY LIMITED

Inventor： Bin ZHANG ,  Yi Zhao ,  Mugui Chen ,  Ping He ,  Hongxin Fang

IPC: H01M4/04 ,  B23K26/352 ,  B23K26/00 ,  H01M2/26 ,  H01M10/0525

CPC classification number: H01M4/0471 ,  B23K26/352 ,  H01M2/26 ,  H01M4/04 ,  H01M4/64 ,  H01M4/661 ,  H01M10/0525 ,  H01M2220/20 ,  H01M2220/30

Abstract: A device for removing a coating layer of an electrode plate, an electrode plate comprises a current collector and a coating layer coated on each of at least one surface of the current collector, the device for removing the coating layer of the electrode plate comprises: a conveying system for conveying the electrode plate which has the coating layer to be removed; at least one wetting mechanism, each wetting mechanism is provided at the coating layer to be removed on one surface of the electrode plate which is conveyed by the conveying system and wets the coating layer on the one surface of the electrode plate within the region where the coating layer will be removed by using a solvent; a laser removing system; and a control system communicating with the conveying system, the wetting mechanism and the laser removing system. The laser removing system comprises: at least one laser emitting head for emitting a laser beam and projecting the laser beam onto the coating layer on the corresponding surface of the electrode plate within the region where the coating layer will be removed and which is wetted by the wetting mechanism to make the solvent which wets the coating layer of the electrode plate within the region where the coating layer will be removed vaporized, so as to remove the coating layer on the surface of the electrode plate within the region where the coating layer will be removed and in turn expose the current collector on the surface of the electrode plate corresponding to the region where the coating layer will be removed.