公开(公告)号：US20150050553A1

公开(公告)日：2015-02-19

申请号：US14292489

申请日：2014-05-30

Applicant: Dongguan Amperex Technology Limited ,  Ningde Amperex Technology Limited

Inventor： Yeli Lin ,  Cong Li ,  Zhong Shi ,  Jintao Cao ,  Hongxin Fang ,  Baiqing Zhang

IPC: H01G11/26 ,  H01G11/50 ,  H01M10/04

CPC classification number: H01G11/26 ,  H01G11/06 ,  H01G11/12 ,  H01G11/50 ,  H01G11/76 ,  H01M10/0431 ,  H01M10/0525 ,  H01M10/058 ,  Y02E60/13

Abstract: The present disclosure provides a cell, which has a stacked body composed of a first electrode plate, a second electrode plate and separators, the stacked body has a starting end and a terminal end, the first electrode plate is provided with a first electrode tab, the second electrode plate is provided with a second electrode tab, the cell has a main body portion formed by winding a part of the stacked body from the starting end of the stacked body and a folded portion formed by folding the rest of the stacked body from a distal end of the main body portion over the main body portion and covering a part of the main body portion The cell can be formed as a step-shaped configuration by directly and sufficiently utilizing winding without cutting or treating the electrode plate, the manufacturing process is simple.

Abstract translation: 本公开内容提供一种电池，其具有由第一电极板，第二电极板和隔板构成的层叠体，所述层叠体具有起始端和末端，所述第一电极板设置有第一电极接片， 第二电极板设置有第二电极接头，电池具有通过从层叠体的起始部分卷绕层叠体的一部分而形成的主体部和通过将堆叠体的其余部分折叠而形成的折叠部 主体部分的远端，并且覆盖主体部分的一部分。电池可以通过直接且充分利用绕组而不用切割或处理电极板而形成为阶梯形构造，制造过程 很简单

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。