公开(公告)号：US20240313257A1

公开(公告)日：2024-09-19

申请号：US18183549

申请日：2023-03-14

申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC

发明人： Meng Jiang ,  Louis G. Hector, Jr. ,  Erik B. Golm ,  Meinan He ,  Yangbing Zeng

IPC分类号： H01M10/0525 ,  H01M10/0585 ,  H01M10/52

CPC分类号： H01M10/0525 ,  H01M10/0585 ,  H01M10/52

摘要： A battery cell is provided. The battery cell includes an external container and an electrode stack disposed within the external container. The electrode stack includes at least one pair of an anode and a cathode. The battery cell further includes an electrolyte disposed within the external container and an O2 scavenger material disposed within the external container. The O2 scavenger material is configured for absorbing oxygen gas generated within the electrode stack.

公开(公告)号：US20240266676A1

公开(公告)日：2024-08-08

申请号：US18566995

申请日：2022-06-06

申请人： APB CORPORATION

发明人： Kazuya MINAMI ,  Kenichi KAWAKITA ,  Toshiaki YAMAGUCHI ,  Ryosuke KUSANO ,  Hideaki HORIE

IPC分类号： H01M50/474 ,  H01M4/66 ,  H01M10/04 ,  H01M10/52

CPC分类号： H01M50/474 ,  H01M4/668 ,  H01M10/0472 ,  H01M10/52

摘要： Provided is a battery pack in which close contact between resin current collectors of vertically adjacent unit cells can be maintained. A battery pack includes: two or more unit cells including a stacked unit consisting of a set of a positive electrode resin current collector, a positive electrode active material layer, a separator, a negative electrode active material layer, and a negative electrode resin current collector stacked sequentially, a stacked body of the above-described two or more unit cells being enclosed in an exterior body; and an integrated insulator covering across boundaries between the above-described unit cells on at least one of the side surfaces of the above-described stacked body.

公开(公告)号：US12009491B2

公开(公告)日：2024-06-11

申请号：US17474684

申请日：2021-09-14

申请人： SK INNOVATION CO., LTD.

发明人： Sang Han Lee ,  Yong Hyun Cho ,  Min Gu Kang ,  Min Suk Kang ,  Yoon Ji Lee

IPC分类号： H01M10/52 ,  H01M4/13 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/02

CPC分类号： H01M10/52 ,  H01M4/13 ,  H01M4/628 ,  H01M10/0525 ,  H01M2004/027

摘要： A lithium secondary battery according to an embodiment of the present invention includes an electrode assembly including a separation layer, and a plurality of cathodes and a plurality of anodes separated by the separation layer and repeatedly stacked, and a gas adsorption layer coated on a single surface of an outermost anode among the plurality of anodes.

公开(公告)号：US11984560B2

公开(公告)日：2024-05-14

申请号：US17287616

申请日：2019-11-14

申请人： TM PLAZA CO., LTD.

发明人： Yong Gyu Jung

IPC分类号： H01M10/42 ,  H01M10/44 ,  H01M10/46 ,  H01M10/52

CPC分类号： H01M10/4214 ,  H01M10/4235 ,  H01M10/44 ,  H01M10/46 ,  H01M10/52

摘要： The present invention provides a vacuum hopper precharger configured such that an electrolyte and gases contained in the electrolyte are suctioned by a vacuum hopper, the gases inside the electrolyte are discharged to the outside, and the electrolyte is stored in a vacuum nozzle of the vacuum hopper and then supplied into the secondary battery, thereby reducing defects of the secondary battery and lengthening the life thereof. The present invention comprises: a base frame 20 put in a floor and having an interior space 21; a gas removal part 30 installed on an upper portion of the interior space 21 and removing gases inside a secondary battery 100; an elevator 40 installed on a lower portion of the interior space 21 at an area corresponding to the gas removal part 30, receiving the secondary battery 100 on a top portion thereof, and moving the secondary battery 100 upward or downward; and a controller 50 controlling the gas removal part 30 and the elevator 40.

公开(公告)号：US11830973B2

公开(公告)日：2023-11-28

申请号：US17360687

申请日：2021-06-28

申请人： Navitas Systems, LLC

发明人： Pu Zhang ,  Michael Wixom ,  Qingliu Wu

IPC分类号： H01M10/52 ,  H01M10/052 ,  H01M4/38 ,  H01M4/62 ,  H01M4/13 ,  H01M4/66 ,  H01M4/80 ,  H01M4/04 ,  H01M4/134 ,  H01M4/58 ,  H01M4/02

CPC分类号： H01M10/052 ,  H01M4/0402 ,  H01M4/13 ,  H01M4/134 ,  H01M4/38 ,  H01M4/5815 ,  H01M4/624 ,  H01M4/663 ,  H01M4/808 ,  H01M4/625 ,  H01M2004/027 ,  H01M2004/028

摘要： Provided are electrode active materials with a porous structure and including a metal, that when loaded with sulfur serve as electrochemically superior cathode active materials. The metal structures are optionally used on their own, are coated with another material, or coats another porous structure such as a porous carbon structure that allows for excellent retention of both sulfur and polysulfides, are conductive themselves, and show long term stability and excellent cycle life.

公开(公告)号：US20230361405A1

公开(公告)日：2023-11-09

申请号：US18029608

申请日：2022-02-25

申请人： LG ENERGY SOLUTION, LTD.

发明人： Sung-Goen HONG ,  Yu-Dam KONG ,  Seung-Hyun KIM ,  Jin-Kyu SHIN ,  Young-Hoo OH ,  Seung-Min OK ,  Sang-Hyun JO

IPC分类号： H01M50/105 ,  H01M50/211 ,  H01M50/538 ,  H01M10/52

CPC分类号： H01M50/211 ,  H01M10/52 ,  H01M50/105 ,  H01M50/538

摘要： A battery module effectively prevents the occurrence or spread of fire. The battery module includes a cell assembly including a plurality of secondary batteries stacked on each other; and a module case including a lower plate, a side plate and an upper plate to form an inner space so that the cell assembly is accommodated therein, the module case including a trap unit formed in at least a part of an inner surface of the side plate to be concave outward, the trap unit being formed to be biased in a front or rear direction.

公开(公告)号：US20230066390A1

公开(公告)日：2023-03-02

申请号：US17462693

申请日：2021-08-31

申请人： FORD GLOBAL TECHNOLOGIES, LLC

发明人： Asma Sharafi ,  Andrew Robert Drews ,  Venkataramani Anandan

IPC分类号： H01M10/52 ,  H01M10/36 ,  H01M50/119 ,  H01M50/124

摘要： Electrochemical systems for mitigating or reducing the release of undesirable by-products of electrochemical cells are provided. These systems may be particularly relevant to the sequestering of hydrogen sulfide gas in solid state electrochemical cells with sulfide-based electrolytes. Some of the systems include an integrated hydrogen sulfide eliminating layer or microspheres containing a hydrogen sulfide eliminating material adjacent to one or more electrochemical cells and within a containment structure.

公开(公告)号：US20230061933A1

公开(公告)日：2023-03-02

申请号：US17830600

申请日：2022-06-02

申请人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

发明人： Jianhuang KE ,  Xiaobo CHEN ,  Yao LI ,  Yujie PU ,  Qiu JIN

IPC分类号： H01M10/52 ,  H01M50/367 ,  H01M50/186 ,  H01M50/204 ,  H01M10/0525

摘要： Embodiments of the present application provide a battery, a power consumption apparatus, and a method and apparatus for producing a battery. The battery includes: a battery cell, provided with a pressure relief mechanism, the pressure relief mechanism being configured to be actuated when an internal pressure or temperature of the battery cell reaches a threshold, to relieve the internal pressure; a bus component, configured to be electrically connected to the battery cell; an electrical cavity, configured to accommodate the battery cell and the bus component; a collecting cavity, configured to collect emissions from the battery cell when the pressure relief mechanism is actuated; and a sealing structure, disposed in an airflow path formed between the pressure relief mechanism and a wall of the electrical cavity and configured to prevent the emissions from reaching the bus component when the pressure relief mechanism is actuated.

公开(公告)号：US11349161B2

公开(公告)日：2022-05-31

申请号：US16748586

申请日：2020-01-21

申请人： Apple Inc.

发明人： Steven Kaye ,  Maria N. Luckyanova ,  Ghyrn E. Loveness

IPC分类号： H01M10/52 ,  H01M4/62 ,  H01M10/42 ,  H01M50/431

摘要： Energy storage devices, battery cells, and batteries of the present technology may include a first current collector and a second current collector. The batteries may include an anode material coupled with the first current collector. The batteries may include a cathode material coupled with the second current collector. The batteries may also include a separator positioned between the cathode material and the anode material. The batteries may include a hydrogen-scavenger material incorporated within the anode active material or the cathode active material. The hydrogen scavenger material may absorb or react with hydrogen at a temperature above or about 20° C.

公开(公告)号：US20210328254A1

公开(公告)日：2021-10-21

申请号：US17260687

申请日：2020-04-29

申请人： LG Chem, Ltd.

发明人： Hyunjun Choi ,  Youngdeok Kim ,  Daesoo Kim ,  Suwon Jee

IPC分类号： H01M10/058 ,  H01M10/052 ,  H01M10/44 ,  H01M10/52 ,  H01M50/609

摘要： The present disclosure relates to a method for manufacturing a lithium secondary battery comprising the steps of: a) preparing an electrode assembly including a positive electrode, a negative electrode, and a separator interposed therebetween; b) housing the electrode assembly in a battery case, injecting a non-aqueous electrolyte thereto and sealing the battery case to produce a preliminary battery; c) activating the preliminary battery; d) charging the activated preliminary battery to a SOC in a range of 25 to 35 to produce a secondary battery; and e) subjecting the secondary battery to a high-temperature aging for 1 hour to 6 hours at a temperature range of 60° C. to 100° C., and a lithium secondary battery manufactured by the above manufacturing method.