公开(公告)号：US10319960B2

公开(公告)日：2019-06-11

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: H01M2/00 ,  H01M2/04 ,  H01M2/30

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.

公开(公告)号：US09853266B2

公开(公告)日：2017-12-26

申请号：US14253805

申请日：2014-04-15

Applicant: Ningde Amperex Technology Limited

Inventor： Quankun Li ,  Pinghua Deng ,  Peng Wang ,  Jibin Geng ,  Kai Wu

IPC: H01M2/12 ,  H01M2/36

CPC classification number: H01M2/1235 ,  H01M2/1241 ,  H01M2/36

Abstract: The present disclosure provides a vent and a cap assembly of a power battery. The vent comprises a vent body and a vent body protective sheath having a wall portion and a hollow portion, the vent body is fixedly connected to a lower portion of the wall portion and sealing the hollow portion from below, an upper portion of the wall portion is fixedly connected to a cap plate for sealing a vent hole. The cap assembly of the power battery comprises a cap plate provided with a vent hole and an electrolyte-injection hole; a first electrode post connected to the cap plate; a second electrode post connected to the cap plate; and a vent fixedly provided to the vent hole; wherein the vent is the above vent.

公开(公告)号：US09640786B2

公开(公告)日：2017-05-02

申请号：US14532704

申请日：2014-11-04

Applicant: Ningde Amperex Technology Limited

Inventor： Mengjiang He ,  Rulai Cai ,  Pinghua Deng ,  Peng Wang ,  Quankun Li

IPC: H01M2/04 ,  H01M2/12 ,  H01M2/34

CPC classification number: H01M2/043 ,  H01M2/04 ,  H01M2/0456 ,  H01M2/06 ,  H01M2/08 ,  H01M2/12 ,  H01M2/1223 ,  H01M2/1241 ,  H01M2/34 ,  H01M2200/00 ,  H01M2200/20 ,  H01M2220/10 ,  H01M2220/20

Abstract: A safety cap assembly of power battery comprises a cap plate and a first terminal unit, a second terminal unit, a vent, an electrolyte-injection hole and a safety reverse valve provided to the cap plate; the first terminal unit is electrically connected to the cap plate; the second terminal unit is insulated from and assembled to the cap plate; the safety reverse valve is electrically connected to the cap plate; a short circuit protection conducting plate is provided above the cap plate, is electrically connected to the second terminal unit, and is positioned above the safety reverse valve; the first terminal unit comprises a first terminal body, and a metal gasket and a resistance plate around the first terminal body, the resistance plate is provided below the metal gasket and comprises a substrate and a coating on a surface of the substrate.

公开(公告)号：US09520622B2

公开(公告)日：2016-12-13

申请号：US14147465

申请日：2014-01-03

Applicant: Ningde Amperex Technology Limited

Inventor： Junzhong Hu ,  Chengyou Xing ,  Pinghua Deng ,  Yanhua Lu ,  Xiaolei Liu

IPC: G01N27/416 ,  H01M10/42

CPC classification number: H01M10/4285

Abstract: The present disclosure provides a detection device for lithium-ion battery, which comprises an insulative housing having a receiving chamber; an insulative separator positioned between the positive electrode sheet and the negative electrode sheet when the positive electrode sheet and the negative electrode sheet are received in the receiving chamber; a positive electrode sheet conductive fastener passing through the insulative housing and fixedly connected to a positive electrode current collector at a positive electrode current collector non-film-coating region; a negative electrode sheet conductive fastener passing through the insulative housing and fixedly connected to a negative electrode current collector at a negative electrode current collector non-film-coating region; an insulative cover engaged with the insulative housing and the insulative separator; a positive electrode region detection hole communicated to the positive electrode sheet gas region; and a negative electrode region detection hole communicated to the negative electrode sheet gas region.

Abstract translation: 本公开提供了一种用于锂离子电池的检测装置，其包括具有接收室的绝缘壳体; 当所述正极片和所述负极片接收在所述接收室中时，所述绝缘分离器位于所述正极片和所述负极片之间; 通过绝缘壳体并在正极集电体非膜涂覆区域固定地连接到正极集电体的正极片导电紧固件; 负极片导电性紧固件，通过绝缘壳体，在负极集电体非膜包覆区域与负极集电体固定连接; 与绝缘壳体和绝缘隔板接合的绝缘盖; 与正极片气体区域连通的正极区域检测孔; 以及与负极片气体区域连通的负极区域检测孔。

公开(公告)号：US09437861B2

公开(公告)日：2016-09-06

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 ,  H01M2/02 ,  H01M2/26 ,  H01M10/052

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, having 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. Each adapter member is made from a conductive material and it has 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. 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: 本发明提供一种具有由导电材料制成的壳体的锂离子二次电池， 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。 每个适配器构件由导电材料制成，并且其具有固定地连接到装配到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分向​​下延伸到电池和壳体之间的空间的接触部分。 接触部分与壳体接触，以便在壳体在外力下破碎时实现电极柱之间的短路。

公开(公告)号：US09806307B2

公开(公告)日：2017-10-31

申请号：US14630450

申请日：2015-02-24

Applicant: Ningde Amperex Technology Limited

Inventor： Yulian Zheng ,  Zhijun Guo ,  Peng Wang ,  Pinghua Deng

IPC: H01M2/10 ,  H01M2/20 ,  H01M10/6556

CPC classification number: H01M2/1094 ,  H01M2/1016 ,  H01M2/1077 ,  H01M2/202 ,  H01M10/6556

Abstract: The present disclosure provides a battery module, which comprises: a plurality of mono-batteries arranged in a manner that side surfaces are adjacent to each other; an insulative casing receiving the plurality of mono-batteries; a supporting frame fixed in the insulative casing, provided with a potting hole, and holding the plurality of mono-batteries therein; and a separating body which is formed by injecting via the potting holes and curing and is potted among the adjacent mono-batteries, so as to allow the plurality of mono-batteries to be insulated and isolated from each other. When one mono-battery is involved in a safety problem and leaks, other mono-batteries are not affected due to the isolation of the separating body potted among the adjacent mono-batteries, so as to improve the safety performance of the battery module. In addition, the battery module has the advantages of simple structure, small size, and low cost.

公开(公告)号：US09634313B2

公开(公告)日：2017-04-25

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 ,  H01M2/06 ,  H01M2/08

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.

公开(公告)号：US20150132619A1

公开(公告)日：2015-05-14

申请号：US14532704

申请日：2014-11-04

Applicant: Ningde Amperex Technology Limited

Inventor： Mengjiang HE ,  Rulai Cai ,  Pinghua Deng ,  Peng Wang ,  Quankun Li

IPC: H01M2/04 ,  H01M2/34 ,  H01M2/12

CPC classification number: H01M2/043 ,  H01M2/04 ,  H01M2/0456 ,  H01M2/06 ,  H01M2/08 ,  H01M2/12 ,  H01M2/1223 ,  H01M2/1241 ,  H01M2/34 ,  H01M2200/00 ,  H01M2200/20 ,  H01M2220/10 ,  H01M2220/20

Abstract: A safety cap assembly of power battery comprises a cap plate and a first terminal unit, a second terminal unit, a vent, an electrolyte-injection hole and a safety reverse valve provided to the cap plate; the first terminal unit is electrically connected to the cap plate; the second terminal unit is insulated from and assembled to the cap plate; the safety reverse valve is electrically connected to the cap plate; a short circuit protection conducting plate is provided above the cap plate, is electrically connected to the second terminal unit, and is positioned above the safety reverse valve; the first terminal unit comprises a first terminal body, and a metal gasket and a resistance plate around the first terminal body, the resistance plate is provided below the metal gasket and comprises a substrate and a coating on a surface of the substrate.

Abstract translation: 动力电池的安全帽组件包括盖板和设置在盖板上的第一端子单元，第二端子单元，通风口，电解液注入孔和安全倒流阀; 第一端子单元电连接到盖板; 第二端子单元与盖板绝缘并组装到盖板上; 安全倒转阀电连接到盖板; 短路保护导电板设置在盖板的上方，电连接到第二端子单元，并位于安全倒转阀的上方; 所述第一端子单元包括第一端子体和金属衬垫以及围绕所述第一端子体的电阻板，所述电阻板设置在所述金属衬垫的下方，并且在所述衬底的表面上包括衬底和涂层。

公开(公告)号：US20140315050A1

公开(公告)日：2014-10-23

申请号：US14253805

申请日：2014-04-15

Applicant: Ningde Amperex Technology Limited

Inventor： Quankun LI ,  Pinghua Deng ,  Peng Wang ,  Jibin Geng ,  Kai Wu

IPC: H01M2/12 ,  H01M2/36

CPC classification number: H01M2/1235 ,  H01M2/1241 ,  H01M2/36

Abstract: The present disclosure provides a vent and a cap assembly of a power battery. The vent comprises a vent body and a vent body protective sheath having a wall portion and a hollow portion, the vent body is fixedly connected to a lower portion of the wall portion and sealing the hollow portion from below, an upper portion of the wall portion is fixedly connected to a cap plate for sealing a vent hole. The cap assembly of the power battery comprises a cap plate provided with a vent hole and an electrolyte-injection hole; a first electrode post connected to the cap plate; a second electrode post connected to the cap plate; and a vent fixedly provided to the vent hole; wherein the vent is the above vent.

Abstract translation: 本公开提供了动力电池的通风口和盖组件。 通风口包括通气体和具有壁部分和中空部分的通气体保护护套，通气体固定地连接到壁部分的下部并从下方密封中空部分，壁部分的上部 固定地连接到用于密封通气孔的盖板。 动力电池的盖组件包括设置有通气孔和电解液注入孔的盖板; 连接到盖板的第一电极柱; 连接到盖板的第二电极柱; 和一个固定地设置到通气孔的通风口; 其中通气口是上述通气口。

公开(公告)号：US20140191763A1

公开(公告)日：2014-07-10

申请号：US14147465

申请日：2014-01-03

Applicant: Ningde Amperex Technology Limited

Inventor： Junzhong Hu ,  Chengyou Xing ,  Pinghua Deng ,  Yanhua Lu ,  Xiaolei Liu

IPC: G01R31/36

CPC classification number: H01M10/4285

Abstract: The present disclosure provides a detection device for lithium-ion battery, which comprises an insulative housing having a receiving chamber; an insulative separator positioned between the positive electrode sheet and the negative electrode sheet when the positive electrode sheet and the negative electrode sheet are received in the receiving chamber; a positive electrode sheet conductive fastener passing through the insulative housing and fixedly connected to a positive electrode current collector at a positive electrode current collector non-film-coating region; a negative electrode sheet conductive fastener passing through the insulative housing and fixedly connected to a negative electrode current collector at a negative electrode current collector non-film-coating region; an insulative cover engaged with the insulative housing and the insulative separator; a positive electrode region detection hole communicated to the positive electrode sheet gas region; and a negative electrode region detection hole communicated to the negative electrode sheet gas region.

Abstract translation: 本公开提供了一种用于锂离子电池的检测装置，其包括具有接收室的绝缘壳体; 当所述正极片和所述负极片接收在所述接收室中时，所述绝缘分离器位于所述正极片和所述负极片之间; 通过绝缘壳体并在正极集电体非膜涂覆区域固定地连接到正极集电体的正极片导电紧固件; 负极片导电性紧固件，通过绝缘壳体，在负极集电体非膜包覆区域与负极集电体固定连接; 与绝缘壳体和绝缘隔板接合的绝缘盖; 与正极片气体区域连通的正极区域检测孔; 以及与负极片气体区域连通的负极区域检测孔。