公开(公告)号：US20150004447A1

公开(公告)日：2015-01-01

申请号：US14292329

申请日：2014-05-30

Applicant: Ningde Amperex Technology Limited

Inventor： Quankun LI ,  Peng WANG ,  Pinghua DENG ,  Junzhong HU ,  Jibin GENG ,  Kai WU

IPC: H01M2/34

CPC classification number: H01M2/34 ,  H01M2/024 ,  H01M2/027 ,  H01M2/028 ,  H01M2/26 ,  H01M10/052 ,  H01M2220/20 ,  Y02E60/122

Abstract: The present disclosure provides a lithium-ion secondary battery, which comprises: a case made from a conductive material; a cell received in the case; a cap assembly mounted to the case in a sealing way and equipped with electrode posts electrically connected to the cell, the electrode posts are a positive post and a negative electrode post; an electrolyte injected in the case; and at least one adapter member, the each adapter member is made from a conductive material and comprises: a connection portion fixedly connected to the corresponding one electrode post equipped to the cap assembly; and a contact portion extending downwardly into a space between the cell and the case from the connection portion at a lateral side of the cell, so that the contact portion contacts with the case to realize a short-circuit between the electrode posts when the case is crushed under an external force.

Abstract translation: 本公开提供一种锂离子二次电池，其包括：由导电材料制成的壳体; 在这种情况下收到的一个电池; 帽组件以密封方式安装到壳体并且装备有电连接到电池的电极柱，电极柱是正极柱和负极柱; 在该情况下注入电解液; 和至少一个适配器构件，所述每个适配构件由导电材料制成，并且包括：固定地连接到装配到所述盖组件的相应的一个电极柱的连接部分; 以及在电池的侧面从连接部向下延伸到电池和壳体之间的空间的接触部分，使得接触部分与壳体接触，以在壳体为壳体时实现电极柱之间的短路 在外力下压碎

公开(公告)号：US20150372264A1

公开(公告)日：2015-12-24

申请号：US14574244

申请日：2014-12-17

Applicant: Ningde Amperex Technology Limited

Inventor： Zhijun GUO ,  Pinghua DENG ,  Peng WANG

IPC: H01M2/04 ,  H01M2/34 ,  H01M2/22 ,  H02G3/22 ,  H01M10/0525

CPC classification number: H01M2/0473 ,  H01M2/0478 ,  H01M2/065 ,  H01M10/0525

Abstract: The present disclosure provides a through connecting piece, a power battery and a cap assembly thereof. The through connecting piece comprises: a base having at least an opening; a conductor, the number of the conductor is the same as the number of the opening, the each conductor is provided through the corresponding one opening and a part of the each conductor received in the corresponding one opening has a shape of a racetrack or a rectangle with rounded corners in a top view; and a heat-resistant insulative material, the number of the heat-resistant insulative material is the same as the number of the opening, the each heat-resistant insulative material is filled in the opening between the corresponding one base and the corresponding one conductor. The cap assembly of power battery comprises the above through connecting piece. The power battery comprises the above cap assembly of the power battery.

Abstract translation: 本公开提供了一种通过连接件，动力电池及其盖组件。 贯穿连接件包括：具有至少一个开口的底座; 一个导体，导体的数量与开口数相同，每个导体通过相应的一个开口提供，并且每个导体中接收的相应一个开口的一部分具有跑道或矩形的形状 在顶视图中圆角; 和耐热绝缘材料，耐热绝缘材料的数量与开口数相同，每个耐热绝缘材料填充在相应的一个基底和相应的一个导体之间的开口中。 动力电池盖组件包括上述连接件。 动力电池包括动力电池的上述盖组件。

公开(公告)号：US20140255766A1

公开(公告)日：2014-09-11

申请号：US14195782

申请日：2014-03-03

Applicant: Ningde Amperex Technology Limited

Inventor： Quankun LI ,  Peng WANG ,  Pinghua DENG ,  Kai WU

IPC: H01M2/30

CPC classification number: H01M2/307 ,  H01M2/06 ,  H01M2/08

Abstract: The present disclosure provides an anti-rotation mechanism for an electrode terminal post of a lithium-ion battery, the anti-rotation mechanism for the electrode terminal post of the lithium-ion battery is an insulative piece, the insulative piece is provided on an electrode terminal post base which is fixedly connected to the electrode terminal post, and the insulative piece is also fixedly connected to an inner wall of a battery case of the lithium-ion battery. The rotation of the electrode terminal post of the lithium-ion battery can be effectively prevented through the insulative piece which is provided on the electrode terminal post base and is fixedly connected to the inner wall of the battery case of the lithium-ion battery.

Abstract translation: 本发明提供一种用于锂离子电池的电极端子柱的防旋转机构，所述锂离子电池的电极端子柱的防旋转机构是绝缘片，所述绝缘片设置在电极 端子柱基体固定地连接到电极端子柱，并且绝缘片也固定地连接到锂离子电池的电池壳体的内壁。 通过设置在电极端子基座上的绝缘片，可以有效地防止锂离子电池的电极端子柱的旋转，并且与锂离子电池的电池壳体的内壁固定连接。

公开(公告)号：US20160204397A1

公开(公告)日：2016-07-14

申请号：US14989516

申请日：2016-01-06

Applicant: Ningde Amperex Technology Limited

Inventor： Rulai CAI ,  Quankun LI ,  Peng WANG ,  Pinghua DENG ,  Peng YU

IPC: H01M2/04 ,  H01M2/30

CPC classification number: H01M2/0482 ,  H01M2/0404 ,  H01M2/0486 ,  H01M2/30 ,  H01M2200/00

Abstract: A cap assembly of a power battery comprises: a cap plate, a first electrode terminal provided to the cap plate, a second electrode terminal provided to the cap plate and electrically insulated from the cap plate, and a resistance member electrically connected to the cap plate and the first electrode terminal. The resistance member comprises: a heat-resistant insulating base body positioned between the cap plate and the first electrode terminal; and a heat-resistant metal layer provided to the heat-resistant insulating base body. The heat-resistant metal layer and the cap plate and the first electrode terminal are electrically connected to form a conductive path, the conductive path passes along the heat-resistant insulating base body positioned between the cap plate and the first electrode terminal. The formed conductive path is a curved path, therefore the resistance value of the resistance member can be controlled by controlling the conductive path.

Abstract translation: 动力电池的盖组件包括：盖板，设置在所述盖板上的第一电极端子，设置在所述盖板上并与所述盖板电绝缘的第二电极端子，以及电连接到所述盖板 和第一电极端子。 电阻构件包括：位于盖板和第一电极端子之间的耐热绝缘基体; 以及设置在耐热绝缘基体上的耐热金属层。 耐热金属层，盖板和第一电极端子电连接以形成导电路径，导电路径沿着位于盖板和第一电极端子之间的耐热绝缘基体通过。 形成的导电路径是弯曲路径，因此可以通过控制导电路径来控制电阻构件的电阻值。

公开(公告)号：US20160190543A1

公开(公告)日：2016-06-30

申请号：US14757933

申请日：2015-12-23

Applicant: Ningde Amperex Technology Limited

Inventor： Rulai CAI ,  Peng WANG ,  Pinghua DENG ,  Qiong QU ,  Peng YU

IPC: H01M2/34 ,  H01M10/0525

CPC classification number: H01M2/345 ,  H01M10/0525 ,  H01M2200/20

Abstract: The present disclosure relates to a safety device of a lithium-ion battery comprising a cap plate, a first electrode post, a second electrode post, a deformable plate and a conductive piece, the first electrode post and the second electrode post are provided to the cap plate, the first electrode post is insulated from and assembled to the conductive piece, the deformable plate is provided between the first electrode and the conductive piece, and the deformable plate is electrically connected to the first electrode post and the conductive piece respectively, the conductive piece is provided with a recessed portion, the recessed portion is provided with a notch. The safety device of the lithium-ion battery ensures the recessed portion will be broken effectively by the internal pressure when an internal pressure of the lithium-ion battery reaches a preset value so as to disconnect the charging circuit and provide security protection.

Abstract translation: 本发明涉及一种锂离子电池的安全装置，其包括盖板，第一电极柱，第二电极柱，可变形板和导电件，第一电极柱和第二电极柱设置于 所述第一电极柱与所述导电片绝缘并组装，所述可变形板设置在所述第一电极和所述导电片之间，并且所述可变形板分别电连接到所述第一电极柱和所述导电片， 导电片设置有凹部，凹部设置有凹口。 当锂离子电池的内部压力达到预设值时，锂离子电池的安全装置确保凹陷部分被内部压力有效地破坏，从而断开充电电路并提供安全保护。

公开(公告)号：US20150311481A1

公开(公告)日：2015-10-29

申请号：US14574231

申请日：2014-12-17

Applicant: Ningde Amperex Technology Limited

Inventor： Qiong QU ,  Quankun LI ,  Pinghua DENG ,  Peng WANG

IPC: H01M2/04 ,  H01M2/12

CPC classification number: H01M2/0473 ,  H01M2/043 ,  H01M2/06 ,  H01M2/12 ,  H01M2220/20

Abstract: The present disclosure provides a cap assembly of a power battery, which comprises: a cap plate provided with a vent hole and an electrolyte-injection hole; a first electrode post provided on and electrically connected to the cap plate; a second electrode post insulated from and assembled to the cap plate 1; a vent fixedly provided on the vent hole; and a boss provided on the cap plate. The cap assembly of the power battery of the present disclosure can improve the strength of the cap plate at the vent, has simple structure, is easy formed and has low processing cost by provision of the boss.

Abstract translation: 本公开提供一种动力电池的盖组件，其包括：盖板，其设有通气孔和电解液注入孔; 设置在盖板上并电连接到盖板的第一电极柱; 绝缘并组装到盖板1的第二电极柱; 通气孔固定设置在通气孔上; 以及设置在盖板上的凸台。 本公开的动力电池的盖组件可以提高盖板在通风口处的强度，结构简单，容易形成，并且通过提供凸台具有低的加工成本。

公开(公告)号：US20140170445A1

公开(公告)日：2014-06-19

申请号：US14132147

申请日：2013-12-18

Applicant: Ningde Amperex Technology Limited

Inventor： Quankun LI ,  Pinghua DENG ,  Peng WANG ,  Kai WU

IPC: H01M2/34 ,  H01M2/04

CPC classification number: H01M2/345 ,  H01M2/043 ,  H01M2/0473 ,  H01M2/348

Abstract: A power battery cover, which comprises a cover plate, a burst vent, a first terminal, a second terminal and a conducting strip; wherein, the burst vent, the first terminal and the second terminal are arranged on the cover plate, the second terminal is electrically connected to the cover plate, and the first terminal is subject to an insulated assembly with the cover plate and is electrically connected to the conducting strip; the power battery cover also comprises a tensile shrapnel which is welded to the cover plate; the tensile shrapnel is arranged under and close to the conducting strip; under the condition of overcharge of a battery, air pressure in the battery cell rises due to decomposition of the electrolyte.

Abstract translation: 一种动力电池盖，包括盖板，爆裂口，第一端子，第二端子和导电条带; 其特征在于，所述突发排气口，所述第一端子和所述第二端子配置在所述盖板上，所述第二端子与所述盖板电连接，所述第一端子与所述盖板进行绝缘的组装， 导电条; 动力电池盖还包括焊接到盖板的拉伸弹片; 拉伸弹片布置在导电条的下面和附近; 在电池过充电的情况下，由于电解液的分解，电池单体的气压上升。

公开(公告)号：US20130149568A1

公开(公告)日：2013-06-13

申请号：US13706580

申请日：2012-12-06

Applicant: Dongguan Amperex Technology Litmited ,  NingDe Amperex Technology Limited

Inventor： Heng ZHANG ,  Peng WANG ,  Pinghua DENG ,  Zhijun GUO

IPC: H01M2/12

CPC classification number: H01M2/1241 ,  H01M2200/20

Abstract: The invention relates to the power battery technology, especially to a power battery and anti-explosion device thereof, comprising an anti-explosion disc disposed in an anti-explosion bore. The surface of the anti-explosion disc is attached with an anti-explosion ring and an anti-explosion patch, the anti-explosion ring and the anti-explosion patch are at the same side of the anti-explosion disc and the anti-explosion ring and the anti-explosion patch form an annular groove. Compared with the prior art, the anti-explosion device has a simple structure, accurate explosion pressure, high intensity and it is not easy to be damaged. When the power battery is abnormal in use and the inner side has high pressure, the anti-explosion disc will explode under certain pressure to prevent explosion of the battery. It improves the safety of the power battery.

Abstract translation: 本发明涉及动力电池技术，特别涉及一种动力电池及其防爆装置，其包括设置在防爆孔中的防爆盘。 防爆盘的表面附有防爆环和防爆贴片，防爆环和防爆贴片位于防爆盘和防爆片的同一侧 环和防爆贴片形成环形凹槽。 与现有技术相比，防爆装置结构简单，爆炸压力准确，强度高，不易损坏。 当动力电池使用异常，内侧压力高时，防爆盘会在一定压力下爆炸，以防止电池爆炸。 它提高了动力电池的安全性。