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公开(公告)号：US11569505B2
公开(公告)日：2023-01-31
申请号：US17010851
申请日：2020-09-03
发明人： Kai Cao , Zhimin Wang , Ning Wang , Xuyi Shan
IPC分类号： H01B1/08 , H01M4/525 , C01G53/00 , H01G11/46 , H01G11/50 , H01G11/86 , H01M4/36 , H01M4/505 , H01M4/62 , H01M10/0525 , H01M4/02
摘要： A cathode material, containing a crystal with a superlattice structure, is provided. A chemical formula of the crystal is xLi2MO3.(1-x)LiNiaCobMn(1-a-b)O2, where 0
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2.发明授权公开(公告)号：US11784362B2
公开(公告)日：2023-10-10
申请号：US17371125
申请日：2021-07-09
发明人： Li Niu , Xinjian Li , Qixin Guo , Xuan Zhang , Zhouli Li , Guohua Sun , Yuefeng Li
IPC分类号： H01M10/63 , H01M10/613 , H01M10/625 , H01M10/6567
CPC分类号： H01M10/63 , H01M10/613 , H01M10/625 , H01M10/6567 , H01M2220/20
摘要： A power supply system and a control method and control device thereof are provided. The power supply system includes a first power supply device, a heat-dissipation unit, a second power supply device, and a control device. The control device is configured to confirm whether each battery pack in the first power supply device experiences thermal runaway, and control the first power supply device to supply power to the heat-dissipation unit when no battery pack in the first power supply device experiences thermal runaway, so that the heat-dissipation unit dissipates heat from the first power supply device; and control a battery pack not experiencing thermal runaway in the first power supply device and/or the second power supply device to supply power to the heat-dissipation unit when a battery pack in the first power supply device experiences thermal runaway, so that the heat-dissipation unit dissipates heat from the first power supply device.
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3.发明申请公开(公告)号：US20220367931A1
公开(公告)日：2022-11-17
申请号：US17371125
申请日：2021-07-09
发明人： Li Niu , Xinjian Li , Qixin Guo , Xuan Zhang , Zhouli Li , Guohua Sun , Yuefeng Li
IPC分类号： H01M10/63 , H01M10/613 , H01M10/625 , H01M10/6567
摘要： A power supply system and a control method and control device thereof are provided. The power supply system includes a first power supply device, a heat-dissipation unit, a second power supply device, and a control device. The control device is configured to confirm whether each battery pack in the first power supply device experiences thermal runaway, and control the first power supply device to supply power to the heat-dissipation unit when no battery pack in the first power supply device experiences thermal runaway, so that the heat-dissipation unit dissipates heat from the first power supply device; and control a battery pack not experiencing thermal runaway in the first power supply device and/or the second power supply device to supply power to the heat-dissipation unit when a battery pack in the first power supply device experiences thermal runaway, so that the heat-dissipation unit dissipates heat from the first power supply device.
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公开(公告)号：US11444276B2
公开(公告)日：2022-09-13
申请号：US17012004
申请日：2020-09-03
发明人： Jianbo Ye , Xuyi Shan , Zhimin Wang
IPC分类号： H01M4/36 , H01M4/38 , H01M4/587 , H01M10/0525 , H01M4/02
摘要： A silicon-graphite composite, a preparation method thereof, and a lithium battery anode and a lithium battery containing the silicon-graphite composite are provided in an embodiment of the disclosure. The silicon-graphite composite includes graphite and a silicon source fiber. The silicon source fiber is embedded in an interlayer structure of the graphite. The silicon-graphite composite is used as an anode material of the lithium battery in an embodiment of the disclosure.
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公开(公告)号：US20220021084A1
公开(公告)日：2022-01-20
申请号：US17152743
申请日：2021-01-19
发明人： Binwei Qi , Yongjie Zhang , Jiuling Xu
IPC分类号： H01M50/536 , H01M50/533 , H01M50/566 , H01M50/586
摘要： The invention relates to the technical field of batteries, and provides a battery and a manufacturing method of battery. The battery includes a main body portion and a tab. The tab is arranged on the main body portion. The tab includes a first welding mark and a second welding mark. The second welding mark covers at least a part of the first welding mark. By forming the first welding mark and the second welding mark on the tab, and the second welding mark covers at least part of the first welding mark, that is, when the tab is welded with the cover element, the tab is welded twice.
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公开(公告)号：US20210199726A1
公开(公告)日：2021-07-01
申请号：US17013650
申请日：2020-09-06
发明人： Peipei Qiao , Huaitao Wang
IPC分类号： G01R31/392 , G01R31/3835 , G01R31/374 , H01M10/48
摘要： The disclosure discloses a method and an apparatus for determining a state of power (SOP) of a battery system. With the method and apparatus, battery health state indexes determined according to the internal resistance and the current power of the battery system may serve as a calibration index, and the initial power parameters may be calibrated by using the calibration index. The internal resistance of the battery reflects the aging property of the battery system. Therefore, in the disclosure, the initial power parameters are calibrated according to the aging property of the battery system.
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公开(公告)号：US12119518B2
公开(公告)日：2024-10-15
申请号：US17153884
申请日：2021-01-21
发明人： Xiaoyuan Du , Keqiang Cheng , Liangjie Gu , Lihui Chang , Qixin Guo
IPC分类号： H01M50/588 , H01M10/48 , H01M50/569 , H01M50/593
CPC分类号： H01M50/588 , H01M10/48 , H01M50/569 , H01M50/593
摘要： A protection assembly of a battery module and a battery module are provided, which include a base disposed with a supporting portion, an accommodating portion, and a separating portion. The supporting portion is configured to dispose a positive lead and/or a negative lead of a busbar. The accommodating portion is configured to accommodate a low-voltage connector for transmitting a signal of the battery module to a battery management system. The supporting portion and the accommodating portion are located on the same side of the battery module. The separating portion is located between the supporting portion and the accommodating portion, and is configured to separate the low-voltage connector from the positive lead and/or the negative lead. In the protection assembly of the battery module, the positive lead and/or the negative lead and the low-voltage connector are respectively disposed on the supporting portion and the accommodating portion.
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公开(公告)号：US11962035B2
公开(公告)日：2024-04-16
申请号：US17012025
申请日：2020-09-03
发明人： Kangping Wang , Chen Cao , Chao Chen , Xu Li , Yang Li
IPC分类号： H01M50/46 , C08G65/26 , H01M50/411
CPC分类号： H01M50/46 , C08G65/2639 , H01M50/411
摘要： The disclosure relates to the battery field and a PEO film, a preparation method thereof, and a solid-state battery are provided. A molecular structure of the PEO film includes a structural unit B, and the structural unit B includes —CH═CH—O—.
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公开(公告)号：US20220336890A1
公开(公告)日：2022-10-20
申请号：US17341389
申请日：2021-06-08
发明人： Li Niu , Xinjian Li , Xuan Zhang , Guohua Sun , Zhouli Li , Qixin Guo
IPC分类号： H01M10/6567 , H01M50/204 , H01M10/613 , H01M10/658
摘要： A battery pack includes a battery column and a liquid cooling tube. The battery column includes at least two batteries, and the batteries are arranged in a first direction. The liquid cooling tube is disposed on a surface of the battery column and is configured to dissipate heat for the batteries. The liquid cooling tube includes cooling portions, and the cooling portions are portions having orthographic projections on the battery column. The orthographic projections of the cooling portions on the battery column are cooling regions. The cooling portions extend in a second direction, and the second direction is not parallel to the first direction.
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公开(公告)号：US11444340B2
公开(公告)日：2022-09-13
申请号：US17012012
申请日：2020-09-03
发明人： Qixin Guo , Junhui Liu , Yawei Wang , Zhenqing Wang
IPC分类号： H01M10/48 , H01M10/6554 , H01M50/528 , H01M10/42 , H05K1/02
摘要： A battery module is provided. The battery module provided by the disclosure includes a battery and a temperature collecting unit. The temperature collecting unit includes a support plate and a thermal element. The thermal element is disposed on an upper surface of the support plate. A lower surface of the support plate is attached to the battery.
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