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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
发明人： Jian GUO , Quankun LI , Pinghua DENG , Peng WANG , Lingbo ZHU , Qingkui CHI
CPC分类号： H01M2/0469 , H01M2/028 , H01M2/06 , H01M2/1247 , H01M2/263 , H01M2/30 , H01M10/0431 , H01M2220/20
摘要： 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：US20180145288A1
公开(公告)日：2018-05-24
申请号：US15631214
申请日：2017-06-23
发明人： Quankun LI , Lingbo ZHU , Jian GUO , Pinghua DENG , Peng WANG
CPC分类号： H01M2/0482 , H01M2/0212 , H01M2/0404 , H01M2/043 , H01M2/0456 , H01M2/0473 , H01M2/0486 , H01M2/345 , H01M10/0525 , H01M2200/20 , H01M2220/20 , Y02E60/122
摘要： 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
发明人： Jian GUO , Quankun LI , Pinghua DENG , Peng WANG , Lingbo ZHU
IPC分类号： H01M2/26 , H01M10/0525
CPC分类号： H01M2/26 , H01M2/22 , H01M2/24 , H01M2/266 , H01M2/28 , H01M10/052 , H01M10/0525
摘要： 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：US20220158197A1
公开(公告)日：2022-05-19
申请号：US17665953
申请日：2022-02-07
发明人： Hu XU , Miaomiao REN , Yongshou LIN , Long XU , Youlei LAI , Haizu JIN , Lingbo ZHU
IPC分类号： H01M4/66
摘要： An electrode assembly and a battery cell is disclosed. The electrode assembly includes a first electrode plate and a second electrode plate. The first electrode plate includes a first current collector and a first active material layer, the first current collector includes a first main body and a first tab, and the first tab extends from one end of the first main body in a longitudinal direction. The second electrode plate includes a second current collector and a second active material layer, the second current collector includes a second main body and a second tab, the second tab extends from one end of the second main body in the longitudinal direction, and the second active material layer is applied on a surface of the second main body.
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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
发明人： Quankun LI , Peng WANG , Pinghua DENG , Lingbo ZHU , Jian GUO
CPC分类号： H01M2/345 , H01M2/043 , H01M2/0473 , H01M2/06 , H01M2/1241 , H01M2/26 , H01M2/30 , H01M2/305 , H01M2200/20 , H01M2220/20
摘要： 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：US20170352860A1
公开(公告)日：2017-12-07
申请号：US15435681
申请日：2017-02-17
发明人： Quankun LI , Pinghua DENG , Peng WANG , Jian GUO , Lingbo ZHU , Yongshou LIN
摘要： 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：US20170271641A1
公开(公告)日：2017-09-21
申请号：US15444201
申请日：2017-02-27
发明人： Qingkui CHI , Kaifu ZHONG , Lingbo ZHU
CPC分类号： H01M2/202 , H01M2/34 , H01M2/348 , H01M2200/103
摘要： The present disclosure provides a secondary battery, which comprises a cap plate, at least two cells and two connecting pieces. The cap plate is provided with two electrode terminals which are opposite in electrical polarity. Each cell has two tabs which are opposite in electrical polarity. Each connecting piece has: an electrode terminal electrical connecting portion for electrically connecting with the corresponding electrode terminal of the cap plate; a plurality of tab electrical connecting portions for electrically connecting with the corresponding tabs of the cells respectively; and a plurality of fusing portions electrically connecting the corresponding tab electrical connecting portion to the electrode terminal electrical connecting portion, a width of each fusing portion is less than a width of the electrode terminal electrical connecting portion. A configuration of the connecting piece is simple, thereby reducing the cumulative heat of the secondary battery and reducing the temperature rise.
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公开(公告)号：US20200343559A1
公开(公告)日：2020-10-29
申请号：US16732615
申请日：2020-01-02
发明人： Xing LI , Xiangyan BU , Qingyuan JIANG , Guijiu QU , Xiaowen ZHANG , Quankun LI , Lingbo ZHU
摘要： The present disclosure relates to a battery unit and a battery module, the battery unit includes an electrode assembly, including a main body portion and a tab; two electrode terminals; and two current collecting members respectively connecting the tabs on both sides of the main body portion with the respective electrode terminals; the current collecting member includes a guiding plate and a supporting plate, the guiding plate is located on one side of the main body portion along the length direction, a reinforcement portion is arranged on the guiding plate and is configured to reduce the deformation of the guiding plate towards the main body portion; and the supporting plate is connected to an end of the guiding plate along the width direction, the tab is bent relative to the length direction and connected to the supporting plate. The battery unit can reduce the bending deformation of the guiding plate.
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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
发明人： Jian GUO , Quankun LI , Pinghua DENG , Peng WANG , Lingbo ZHU , Qingkui CHI
摘要： 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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公开(公告)号：US20170271630A1
公开(公告)日：2017-09-21
申请号：US15187909
申请日：2016-06-21
发明人： Jian GUO , Quankun LI , Pinghua DENG , Peng WANG , Lingbo ZHU , Qingkui CHI
CPC分类号： H01M2/06 , H01M2/0237 , H01M2/0262 , H01M2/028 , H01M2/0469 , H01M2/0473 , H01M2/1247 , H01M2/26 , H01M2/263 , H01M2/30 , H01M10/0431 , H01M2220/20
摘要： 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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