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公开(公告)号：US20210066700A1
公开(公告)日：2021-03-04
申请号：US17040409
申请日：2019-01-22
Applicant: BYD COMPANY LIMITED
Inventor： Xinyue WANG , Han CHENG , Keli YANG , Luxia JIANG , Lingyi PENG
Abstract: A battery cell includes: a housing; a cover plate located at an end of the housing; a pole core located in the housing and having an electrode tab electrically connected to a conductive terminal disposed on the cover plate; an inner spacer including a bottom plate disposed on a surface of the pole core facing the cover plate, an end of a connecting plate connected to an edge of the bottom plate and formed in a bent shape with an edge of the bottom plate, and a support plate connected to another end of the connecting plate formed in a bent shape with the support plate and extending from the bottom plate. A part of the electrode tab extends from a surface of the support plate facing the pole core to a surface away from the pole core.
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公开(公告)号：US20160006013A1
公开(公告)日：2016-01-07
申请号：US14655537
申请日：2013-09-12
Applicant: BYD COMPANY LIMITED
Inventor： Xi SHEN , Luxia JIANG , Jianhua ZHU , Shichao HU , Gaowu WANG , Hongjuan GU
IPC: H01M2/34 , H01M10/0525
CPC classification number: H01M2/34 , H01M10/0413 , H01M10/0431 , H01M10/0463 , H01M10/0525 , H01M10/0585 , H01M10/0587 , H01M10/617 , H01M10/654 , H01M10/6553 , H01M2200/00 , H01M2220/20 , Y02E60/122 , Y02P70/54
Abstract: A battery includes a shell, a core and a protection component received in the shell. The core includes a first electrode tab connected to a first current collector and a second electrode tab connected to a second current collector of the core. The protection component includes two insulating layers and a conducting layer disposed between two insulating layers. The conducting layer defines a first end electrically connected to the first electrode tab and a second end configured as a free end, and an outmost current collector of the core is configured by the second current collector.
Abstract translation: 电池包括壳体，芯部和接收在壳体中的保护部件。 芯包括连接到第一集电器的第一电极片和连接到芯的第二集电器的第二电极片。 保护部件包括两个绝缘层和设置在两个绝缘层之间的导电层。 导电层限定电连接到第一电极接线片的第一端和被配置为自由端的第二端，并且芯的最外部的集流器由第二集电器构成。
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3.发明申请公开(公告)号：US20200343491A1
公开(公告)日：2020-10-29
申请号：US16956997
申请日：2018-12-19
Applicant: BYD COMPANY LIMITED
Inventor： Luxia JIANG , Han CHENG , Jiangtao ZHOU , Keli YANG
Abstract: A battery cover plate assembly, a cell, a battery module, a power battery, and an electric vehicle are provided. The battery cover plate assembly includes a cover plate, an inner lead-out member, and an outer electrode terminal. The inner lead-out member and the outer electrode terminal are electrically connected by using a current interrupt apparatus. A flipping member of the current interrupt apparatus is electrically connected to the outer electrode terminal. A score member is electrically connected to the inner lead-out member. A score is formed on the score member and is electrically connected to the flipping member. The inner lead-out member is mounted on the cover plate through a cover plate insulator. The cover plate insulator has a first engagement portion engaged with the cover plate and a second engagement portion engaged with the inner lead-out member.
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公开(公告)号：US20200313150A1
公开(公告)日：2020-10-01
申请号：US16772670
申请日：2018-12-13
Applicant: BYD COMPANY LIMITED
Inventor： Zhipei LU , Luxia JIANG
Abstract: A battery system and an electric vehicle are provided. The battery system includes at least one series circuit, wherein the series circuit comprises at least one first battery pack, the first battery pack including at least two first cells connected in parallel; a current interrupt device, wherein the current interrupt device is disposed on the first cell being configured to interrupt an internal current of the first cell when the first cell is abnormal
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5.发明申请公开(公告)号：US20200328399A1
公开(公告)日：2020-10-15
申请号：US16772715
申请日：2017-12-13
Applicant: BYD COMPANY LIMITED
Inventor： Luxia JIANG , Shichao HU , Peng LU , Xinyue WANG , Feifei WANG
IPC: H01M2/34
Abstract: A battery cover plate assembly, a cell, battery module, a power battery, and an electric vehicle are provided. The battery cover plate assembly includes a cover plate, an inner electrode terminal, and an outer electrode terminal. The inner electrode terminal and the outer electrode terminal are electrically connected by using a current interrupt device. The current interrupt device includes a score member and a flipping member. The flipping member is electrically connected to the score member. In addition, the flipping member can act under an effect of air pressure to break a score on the score member. The flipping member forms an elongated structure extending along the cover plate.
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Patent Agency Ranking
公开(公告)号：US20210162872A1
公开(公告)日：2021-06-03
申请号：US16954129
申请日：2018-12-13
Applicant: BYD COMPANY LIMITED
Inventor： Long HE , Xi SHEN , Luxia JIANG , Wenfeng JIANG
Abstract: A battery system and an electric vehicle are disclosed. The battery system includes at least one series circuit, a pouch battery and at least one first cell connected to the pouch battery in series being disposed in the series circuit, and a current interrupt device being disposed on the first cell; and the current interrupt device of the first cell being configured to interrupt an internal current of the first cell when at least one of the pouch battery and the first cell is abnormal.
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7.发明申请公开(公告)号：US20200058908A1
公开(公告)日：2020-02-20
申请号：US16499790
申请日：2018-03-16
Applicant: BYD COMPANY LIMITED
Inventor： Weixin ZHENG , Xi SHEN , Jianhua ZHU , Luxia JIANG , Yan ZHU
Abstract: A battery cover assembly includes a cover plate, an electrode inner terminal and an electrode outer terminal. The electrode inner terminal is electrically connected to the electrode outer terminal through a current interrupt structure disposed on the cover plate. The current interrupt structure includes a sealed chamber configured to fill a gas-producing medium therein. The sealed chamber is configured to make the gas-producing medium to be electrically connected to positive electrodes and negative electrodes of a battery. When a voltage difference between the positive electrodes and negative electrodes of the battery exceeds a rated value, the gas-producing medium is capable of producing gas, to disrupt the electrical connection between the electrode inner terminal and the electrode outer terminal under the action of the pressure of the gas.
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8.发明申请公开(公告)号：US20140178744A1
公开(公告)日：2014-06-26
申请号：US14193613
申请日：2014-02-28
Applicant: BYD COMPANY LIMITED , SHENZHEN BYD AUTO R&D COMPANY LIMITED
Inventor： Jianhua ZHU , Qing LAI , Zhiwei TONG , Luxia JIANG
Abstract: A battery terminal includes an outer terminal segment, the outer terminal segment being made of a first conductive material; an inner terminal segment being made of a second conductive material different from the first conductive material and having an upper end connected to a lower end of the outer terminal segment forming a connection portion between the upper end of the inner terminal segment and the lower end of the outer terminal segment, and a protection member around the connection portion. With the battery terminal according to an embodiment of the present invention into batteries, adjacent batteries can be connected together more reliably.
Abstract translation: 电池端子包括外端子段，外端子段由第一导电材料制成; 内部端子段由与第一导电材料不同的第二导电材料制成，并且具有连接到外部端子段的下端的上端，其形成内部端子段的上端和下端之间的连接部分 外部端子段和围绕连接部分的保护构件。 根据本发明的实施例的电池端子变成电池，相邻的电池可以更可靠地连接在一起。
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公开(公告)号：US20210050581A1
公开(公告)日：2021-02-18
申请号：US16963113
申请日：2019-01-10
Applicant: BYD COMPANY LIMITED
Inventor： Peng LU , Luxia JIANG , Xinyue WANG , Keli YANG
Abstract: A battery, a battery pack, and a vehicle are disclosed. The battery includes a housing having a sealed chamber, a core packaged in the sealed chamber, and a first terminal and a second terminal respectively mounted to the housing, where the first terminal is electrically connected to the housing, and the second terminal is insulated from the housing. The battery further includes a first tab and a second tab respectively led out from the core, the first tab being electrically connected to the housing, the first tab being electrically connected to the first terminal through the housing, and the second tab being electrically connected to the second terminal.
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10.发明申请公开(公告)号：US20200168884A1
公开(公告)日：2020-05-28
申请号：US16626829
申请日：2018-05-28
Applicant: BYD COMPANY LIMITED
Inventor： Xinyue WANG , Luxia JIANG , Shichao HU , Peng LU , Han CHENG , Keli YANG
Abstract: A battery cover plate assembly includes a cover plate, an electrode terminal, a current interrupt structure, and an arc extinguishing portion. The electrode terminal is disposed on the cover plate and includes an electrode inner terminal and an electrode outer terminal. The electrode inner terminal and the electrode outer terminal are electrically connected through the current interrupt structure. The current interrupt structure is capable of disrupting the electrical connection between the electrode inner terminal and the electrode outer terminal under the action of a gas pressure. The arc extinguishing portion is configured to reduce an electric arc generated when the current interrupt structure disrupts the electrical connection between the electrode inner terminal and the electrode outer terminal. When the electrical connection between the electrode inner terminal and the electrode outer terminal is disrupted, an arcing effect is generated due to high voltages at positive and negative electrodes of the battery.
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