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公开(公告)号：US20170352860A1
公开(公告)日：2017-12-07
申请号：US15435681
申请日：2017-02-17
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Quankun LI , Pinghua DENG , Peng WANG , Jian GUO , Lingbo ZHU , Yongshou LIN
Abstract: The present application provides a top cover of power battery, including top cover plate, first electrode unit and second electrode unit, the first electrode unit includes insulation piece, conductive plate, deformable plate and sealing piece, the top cover plate is provided with deformable plate connecting hole and fixing hole, the deformable plate seals the deformable plate connecting hole, the insulation piece is provided with top cover plate connecting portion and conductive plate connecting portion, the insulation piece is fixed underneath the top cover plate through cooperation of top cover plate connecting portion and fixing hole, the conductive plate is insulated from and fixed with the top cover plate through the conductive plate connecting portion, the conductive plate is electrically connected with the deformable plate, the sealing piece seals path from the fixing hole to interior of the power battery passing through gap between insulation piece and top cover plate.
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公开(公告)号：US20170373301A1
公开(公告)日：2017-12-28
申请号：US15394629
申请日：2016-12-29
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Quankun LI , Peng WANG , Pinghua DENG , Lingbo ZHU , Jian GUO
CPC classification number: H01M2/345 , H01M2/043 , H01M2/0473 , H01M2/06 , H01M2/1241 , H01M2/26 , H01M2/30 , H01M2/305 , H01M2200/20 , H01M2220/20
Abstract: This application provides a top cover of a power battery and a power battery, the top cover includes a top cover sheet, a first electrode unit and a second electrode unit, the first electrode unit includes a turning sheet, an insulating piece and a current cutting-off structure, the current cutting-off structure is fixed in radial projection range of an assembling hole and is electrically connected with the top cover sheet, the turning sheet is fixed at an underneath of the top cover sheet through the insulating piece, the turning sheet is electrically connected with the top cover sheet merely through the current cutting-off structure, and the turning sheet is capable of turning and breaking the current cutting-off structure when an internal pressure of the power battery exceeds a reference pressure, so as to cut off an electrical connection of the current cutting-off structure with the top cover sheet.
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公开(公告)号：US20180145288A1
公开(公告)日：2018-05-24
申请号：US15631214
申请日：2017-06-23
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Quankun LI , Lingbo ZHU , Jian GUO , Pinghua DENG , Peng WANG
CPC classification number: H01M2/0482 , H01M2/0212 , H01M2/0404 , H01M2/043 , H01M2/0456 , H01M2/0473 , H01M2/0486 , H01M2/345 , H01M10/0525 , H01M2200/20 , H01M2220/20 , Y02E60/122
Abstract: This application provides a top cover plate of power battery, including a top cover plate, a first electrode unit and a second electrode unit, the top cover plate is provided with a deformable plate connecting hole and a first connecting portion integrated with the top cover plate as a whole, the first electrode unit includes the deformable plate, a conductive plate and an insulation piece, the insulation piece is provided with a second connecting portion and a conductive plate connecting portion, the deformable plate seals the deformable plate connecting hole, the conductive plate is located underneath the deformable plate, and electrically connected with the deformable plate, the insulation piece is fixed underneath the top cover plate through cooperation of the first connecting portion and the second connecting portion, the conductive plate is insulated from and fixed with the top cover plate through the conductive plate connecting portion.
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公开(公告)号：US20170271644A1
公开(公告)日：2017-09-21
申请号：US15258686
申请日：2016-09-07
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Jian GUO , Quankun LI , Pinghua DENG , Peng WANG , Lingbo ZHU
IPC: H01M2/26 , H01M10/0525
CPC classification number: H01M2/26 , H01M2/22 , H01M2/24 , H01M2/266 , H01M2/28 , H01M10/052 , H01M10/0525
Abstract: The present application relates to an electrode tab pad plate, the electrode tab pad plate is of a fork shape, including a joint part and two first fork feet, the two first fork feet are arranged in parallel, and a first gap is provided between the two first fork feet, both the first fork feet are connected with the joint part. The electrode tab pad plate provided by the present application, through gathering the electrode tabs at inner sides of the electrode tab pad plate, so that the electrode tabs are gathered toward the direction away from the battery housing, so as to guarantee the safety performance of the Li-ion battery, since the space occupied by the electrode tab pad plate is small, which facilitates the improvement of the cell capacity, thereby improving the performance of the battery.
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公开(公告)号：US20190074487A1
公开(公告)日：2019-03-07
申请号：US16185451
申请日：2018-11-09
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Jian GUO , Quankun LI , Pinghua DENG , Peng WANG , Lingbo ZHU , Qingkui CHI
Abstract: The secondary battery of the present invention includes: a top cover, a first electrode terminal, a second electrode terminal, an electrode-tab pad-plate, an electrode assembly, a first electrode-tab and a second electrode-tab; the first and second electrode terminal are arranged on the top cover, the electrode-tab pad-plate is a strip-plate shaped structure, and is located between the top cover and electrode assembly, the first electrode-tab includes a connecting part, a folding part and a welding part, the connecting part is beneath the electrode-tab pad-plate, the welding part is above is the electrode tab pad plate, and the connecting part is connected with the electrode assembly, the welding part is connected with the first electrode terminal, the folding part is connected with the connecting part and welding part bypassing the electrode-tab pad-plate; the second electrode terminal is connected with the electrode assembly through the second electrode-tab.
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Patent Agency Ranking
公开(公告)号：US20170271630A1
公开(公告)日：2017-09-21
申请号：US15187909
申请日：2016-06-21
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Jian GUO , Quankun LI , Pinghua DENG , Peng WANG , Lingbo ZHU , Qingkui CHI
CPC classification number: H01M2/06 , H01M2/0237 , H01M2/0262 , H01M2/028 , H01M2/0469 , H01M2/0473 , H01M2/1247 , H01M2/26 , H01M2/263 , H01M2/30 , H01M10/0431 , H01M2220/20
Abstract: The secondary battery of the present invention includes: a top cover, a first electrode terminal, a second electrode terminal, an electrode-tab pad-plate, an electrode assembly, a first electrode-tab and a second electrode-tab; the first and second electrode terminal are arranged on the top cover, the electrode-tab pad-plate is a strip-plate shaped structure, and is located between the top cover and electrode assembly, the first electrode-tab includes a connecting part, a folding part and a welding part, the connecting part is located at upside of the electrode-tab pad-plate, the welding part is located at downside thereof, the connecting part is connected with the electrode assembly, the welding part is connected with the first electrode terminal, the folding part is connected with the connecting part and welding part bypassing the electrode-tab pad-plate; the second electrode terminal is connected with the electrode assembly through the second electrode-tab.
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公开(公告)号：US20170237059A1
公开(公告)日：2017-08-17
申请号：US15586051
申请日：2017-05-03
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Quankun LI , Kai WU , Pinghua DENG , Xiaobo CHEN
Abstract: A power battery cap structure and a power battery are provided. The power battery cap structure includes a first terminal, a second terminal and a cap assembly; the second terminal is electrically insulated from the cap assembly. The power battery cap structure further includes a resistance which electrically connects the first terminal with the cap assembly. The cap assembly includes a cap sheet, a first short circuit part and a second short circuit part; the first and second short circuit part are attached to the cap sheet, when internal pressure of the power battery exceeds predetermined threshold, the first and second short circuit part act and form a first path passing through the first terminal, the second short circuit part, the resistance and the second terminal, and a second path passing through the first terminal, the first and second short circuit part and the second terminal.
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公开(公告)号：US20190123313A1
公开(公告)日：2019-04-25
申请号：US16221959
申请日：2018-12-17
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Jian GUO , Quankun LI , Pinghua DENG , Peng WANG , Lingbo ZHU , Qingkui CHI
CPC classification number: H01M2/0469 , H01M2/028 , H01M2/06 , H01M2/1247 , H01M2/263 , H01M2/30 , H01M10/0431 , H01M2220/20
Abstract: The secondary battery of the present invention includes: a top cover, a first electrode terminal, a second electrode terminal, an electrode-tab pad-plate, an electrode assembly, a first electrode-tab and a second electrode-tab; the first and second electrode terminal are arranged on the top cover, the electrode-tab pad-plate is a strip-plate shaped structure, and is located between the top cover and electrode assembly, the first electrode-tab includes a connecting part, a folding part and a welding part, the connecting part is beneath the electrode tab pad plate, the welding part is above the electrode tab pad plate, and the connecting part is connected with the electrode assembly, the welding part is connected with the first electrode terminal, the folding part is connected with the connecting part and welding part bypassing the electrode-tab pad-plate; the second electrode terminal is connected with the electrode assembly through the second electrode-tab.
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公开(公告)号：US20170352846A1
公开(公告)日：2017-12-07
申请号：US15349938
申请日：2016-11-11
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Quankun LI , Jian GUO , Peng WANG , Pinghua DENG , Kai WU , Yongshou LIN
IPC: H01M2/04 , H01M2/34 , H01M10/0525
CPC classification number: H01M2/0473 , H01M2/043 , H01M2/345 , H01M10/0525 , H01M2200/20 , H01M2220/20
Abstract: The present application provides a top cover of a power battery, including a top cover plate, a first electrode unit and a second electrode unit, the top cover plate is provided with a deformable plate connecting hole and an insulation piece accommodating portion, the first electrode unit includes a deformable plate, a conductive plate and a first insulation piece, the deformable plate seals the deformable plate connecting hole, the conductive plate is located underneath the deformable plate, the first insulation piece includes a top cover plate connecting portion and a conductive plate connecting portion, the top cover plate connecting portion extends into the insulation piece accommodating portion and is fixed thereof, the conductive plate is insulated and fixed with the top cover plate through the conductive plate connecting portion. The present application further provides a power battery, including the top cover of the power battery.
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公开(公告)号：US20160365547A1
公开(公告)日：2016-12-15
申请号：US15179921
申请日：2016-06-10
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Quankun LI , Pinghua DENG , Peng WANG , Kai WU , Junjie JIANG
CPC classification number: H01M2/0486 , H01M2/043 , H01M2/0443 , H01M2/0456 , H01M2/06 , H01M2/345 , H01M2200/20 , H01M2220/20
Abstract: The top cover structure of the power battery includes a cap plate, a cathode column, a conducting piece and a reversing piece, the conducting piece is electrically connected with the cathode column, the cathode column is insulatedly assembled with the cap plate; the reversing piece includes a welding part, a embossment with a solid core structure and a joint part arranged between the welding part and the embossment, the embossment is arranged at the center of the joint part, the welding part is arranged on the outer margin of the joint part; the welding part is electrically connected with the cap plate, the embossment does not contact the conducting piece, when the pressure inside the power battery increases, the reversing piece receives the pressure inside the power battery, and moves upwards, so that the embossment is electrically connected to the conducting piece.
Abstract translation: 动力电池的顶盖结构包括盖板，阴极柱，导电片和反向片，导电片与阴极柱电连接，阴极柱与盖板绝缘组装; 反转片包括焊接部分，具有实心芯结构的压花和布置在焊接部分和压纹之间的接合部分，压纹布置在接合部分的中心处，焊接部分布置在 联合部分; 焊接部与盖板电连接时，压电体不接触导电片，当动力电池内部的压力增大时，反转片承受动力电池内部的压力，向上运动，使压电电气 连接到导电件。
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