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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
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。
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Patent Agency Ranking
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
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.
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公开(公告)号：US11276896B2
公开(公告)日：2022-03-15
申请号：US16395690
申请日：2019-04-26
Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED
Inventor： Rulai Cai , Quankun Li , Peng Wang , Pinghua Deng , Peng Yu
IPC: H01M10/00 , H01M50/155 , H01M50/147 , H01M50/543
Abstract: A cap assembly of a power battery comprises: a cap plate, a first electrode terminal provided to 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 a circumferential side of 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 formed conductive path is a curved path, therefore the resistance value of the resistance member can be controlled by controlling the conductive path.
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公开(公告)号：US20190252650A1
公开(公告)日：2019-08-15
申请号：US16395690
申请日：2019-04-26
Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED
Inventor： Rulai Cai , Quankun Li , Peng Wang , Pinghua Deng , Peng Yu
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, 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 a circumferential side of 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 formed conductive path is a curved path, therefore the resistance value of the resistance member can be controlled by controlling the conductive path.
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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
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.
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公开(公告)号：US20150104671A1
公开(公告)日：2015-04-16
申请号：US14055223
申请日：2013-10-16
Inventor： Heng Zhang , Rulai Cai , Quankun Li , Qiong Qu
IPC: H01M2/34
CPC classification number: H01M2/34 , H01M2200/00
Abstract: This invention belongs to the field of power battery technologies, and in particular, to a power battery. The power battery comprises a battery shell, a cell accommodated in the battery shell, an electrolyte filled inside the battery shell, and a top cover assembled in a sealed way to the battery shell; a cathode tab and an anode tab are positioned on a front end of the cell; and a cathode transit plate is positioned between the top cover and the cathode tab, wherein a melting region is positioned on the cathode transit plate. Compared with the prior art, this invention, by providing the melting region on the cathode transit plate, is capable of effectively separating the top cover from the cell thereby protecting the top cover from damages when an inner short-circuit or an outer short-circuit occurs on the battery; moreover, the melting region forms a fragile place for a current, and when a large current is generated due to an inner short-circuit or an outer short-circuit of the battery, the region where the melting region is located may melt immediately, where a melting position is accurate and sensitivity is high, thereby greatly improving safety performance of the battery. In addition, this invention has a simple structure, may be implemented easily, and may be applied for industrial production.
Abstract translation: 本发明属于动力电池技术领域，特别是动力电池领域。 动力电池包括电池壳体，容纳在电池壳体中的电池，填充在电池壳体内部的电解质和以密封方式组装到电池壳体的顶盖; 阴极片和阳极片位于电池的前端; 并且阴极运输板位于顶盖和阴极舌片之间，其中熔化区域位于阴极运输板上。 与现有技术相比，本发明通过在阴极运输板上提供熔化区域能够有效地将顶盖与电池分离，从而当内部短路或外部短路时保护顶盖免受损坏 发生在电池上; 此外，熔融区域形成电流的脆弱位置，并且当由于电池的内部短路或外部短路而产生大的电流时，熔融区域所在的区域可能立即熔化，其中 熔化位置准确，灵敏度高，大大提高了电池的安全性能。 此外，本发明具有简单的结构，可以容易地实现，并且可以应用于工业生产。
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