公开(公告)号：US20220085466A1

公开(公告)日：2022-03-17

申请号：US17474433

申请日：2021-09-14

申请人： VARTA Microbattery GmbH

发明人： Marc Oliver Nestle ,  Sunil Siddannavar

IPC分类号： H01M50/559 ,  H01M10/0525 ,  H01M10/04 ,  H01M50/109 ,  H01M50/181 ,  H01M50/528 ,  H01M50/562 ,  H01M50/342

摘要： An electrochemical cell includes a cylindrical housing that encloses an interior space having a first end face and a second end face that are interconnected by an annular shell, and a positive and a negative electrode are arranged in the interior of the housing, wherein the negative electrode is electrically connected, either directly or via a separate conductor, to the first end face to constitute a negative pole, and the positive electrode is electrically connected, either directly or via a separate conductor, to the second end face to constitute a positive pole, and a contact lug is fastened to the first or second end face of the housing.

公开(公告)号：US20220059900A1

公开(公告)日：2022-02-24

申请号：US17413445

申请日：2019-03-28

申请人： SHENZHEN KEDALI INDUSTRY CO., LTD

发明人： Jianju Li ,  Zhongtao Zhang

IPC分类号： H01M50/342 ,  H01M50/148 ,  H01M50/562 ,  H01M50/172

摘要： Provided is a method for manufacturing a vent structure. The vent structure comprises a vent, and the method includes: providing a first notch without intersection on the surface of the vent with a first depth; and providing a second notch with a second depth on part of the first notch in the direction of the first depth.

公开(公告)号：US20220013874A1

公开(公告)日：2022-01-13

申请号：US17280853

申请日：2020-06-11

申请人： DONGGUAN AMPEREX TECHNOLOGY LIMITED

发明人： Denglong HUANG ,  Xiaoming CHEN

IPC分类号： H01M50/588 ,  H01M50/503 ,  H01M50/569 ,  H01M50/562

摘要： A battery assembly including a first end; a first cell; a second cell, stacked with the first cell, the first cell and the second cell are electrically connected via their tabs to form a series tab assembly or a parallel tab assembly, wherein a gap exists between the series tab assembly or the parallel tab assembly and the first end; and a tab insulator, having a first part and a second part extending from the first part, and the second part is located in the gap of the series tab assembly or the parallel tab assembly at the first end. The battery assembly and the electrochemical device including the battery assembly realize a connection of a soft-package battery with external device(s) by a simple structure and have good current overload capacity.

公开(公告)号：US20220013873A1

公开(公告)日：2022-01-13

申请号：US17484282

申请日：2021-09-24

申请人： Murata Manufacturing Co., Ltd.

发明人： Kiyoshi Kumagae ,  Takuya Matsuyama ,  Keisuke Shimizu

IPC分类号： H01M50/562 ,  H01M10/0525 ,  H01M10/0585 ,  H01M4/40 ,  H01M10/0562

摘要： A solid-state battery that includes a solid-state battery laminate having at least one battery constituent unit in a lamination direction, the battery constituent unit including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer; a positive electrode terminal on a surface of the solid-state battery laminate; and a negative electrode terminal on the surface of the solid-state battery laminate. In addition, the negative electrode layer includes a negative electrode active material configured to be charged and discharged at a potential of −2 V or less with respect to a standard electrode potential, and the negative electrode terminal includes a terminal material that does not react with lithium ions at a potential of −3 V to −2 V with respect to the standard electrode potential.

公开(公告)号：US20210408648A1

公开(公告)日：2021-12-30

申请号：US17178555

申请日：2021-02-18

申请人： SAMSUNG SDI CO., LTD.

发明人： Heejung KO ,  Kijung KIM ,  Yongjin PARK ,  Byongchul WOO ,  Jong-Ha LEE

IPC分类号： H01M50/547 ,  H01M50/562 ,  H01M50/533

摘要： A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case connected to the first electrode and accommodating the electrode assembly, the case including an opening to receive the electrode assembly; a cap plate bonded to the case to cover an outer region of the opening and including a through-hole to expose a center region of the opening; a terminal plate bonded to and insulated from the cap plate, covering the through-hole, and connected to the second electrode; and a terminal plating layer coated on an upper surface of the terminal plate, and a thickness of a center portion of the terminal plating layer overlapping the through-hole is thicker than a thickness of an outer portion of the terminal plating layer overlapping the upper surface of the terminal plate.

公开(公告)号：US20210376431A1

公开(公告)日：2021-12-02

申请号：US16637346

申请日：2018-10-16

申请人： Robert Bosch GmbH

发明人： Yukio ENOMOTO

IPC分类号： H01M50/552 ,  H01M50/562 ,  H01M50/553 ,  H01G11/74 ,  H01G11/78

摘要： An energy storage device includes an outer case on which an external terminal is mounted; an electrode assembly housed in the outer case; a conductive shaft portion formed using a material different from a material for forming the external terminal, and having a swaged portion connected to the external terminal at one end thereof in an axial direction; a conductive plate portion housed in the outer case, to which the other end of the conductive shaft portion is connected, and the electrode assembly is connected. The external terminal has a plating layer or an alumite treated layer on a surface thereof which is brought into contact with the swaged portion.

公开(公告)号：US11635473B2

公开(公告)日：2023-04-25

申请号：US16962302

申请日：2019-06-26

申请人： LG CHEM, LTD.

发明人： Sol-Nip Lee ,  Ju-Hyun Kang

IPC分类号： G01R31/52 ,  H01M10/42 ,  G01R31/385 ,  H01M50/531 ,  H01M50/105 ,  H01M50/553 ,  H01M50/562 ,  H01M50/548 ,  H01M50/55

摘要： Provided is a secondary battery for testing an internal short, and a method and apparatus for testing an internal short of a secondary battery using the same. The secondary battery for testing an internal short according to the present disclosure includes a positive electrode side metal terminal having one end disposed between a positive electrode plate and a separator of the secondary battery, and a negative electrode side metal terminal having one end disposed between a negative electrode plate and the separator of the secondary battery, and is used to cause an internal short by contact between the other end of the positive electrode side metal terminal and the other end of the negative electrode side metal terminal.

公开(公告)号：US11631903B1

公开(公告)日：2023-04-18

申请号：US18082054

申请日：2022-12-15

申请人： Science Cadets, Inc.

发明人： Saroj Kumar Sahu

IPC分类号： H01M10/36 ,  H01M10/42 ,  H01M10/44 ,  H01M4/66 ,  H01M4/38 ,  H01M4/36 ,  H01M4/583 ,  H01M4/60 ,  H01M50/417 ,  H01M50/491 ,  H01M50/566 ,  H01M50/562 ,  H01M50/105 ,  H01M50/178 ,  H01M50/103 ,  H01M50/107 ,  H01M50/176 ,  H01M12/08 ,  H01M10/38 ,  H01M4/02

摘要： A zinc bromine electrochemical cell comprises an anode-side subassembly, an insulating porous separator, and a cathode-side subassembly. The anode-side subassembly comprises an anode current terminal, an anode current collector, an anode support, an anode sheet, and an anode insulating net. The cathode-side subassembly comprises a cathode insulating mesh, a cathode graphite felt, a cathode sheet, a cathode current collector, and a cathode current terminal. The anode-side subassembly and the cathode-side subassembly are separated by the insulating porous separator.

公开(公告)号：US11621463B2

公开(公告)日：2023-04-04

申请号：US17134768

申请日：2020-12-28

申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

发明人： Shintaro Utsumi ,  Kazushige Nomoto

IPC分类号： H01M10/04 ,  H01M10/613 ,  H01M10/6554 ,  H01M10/658 ,  H01M50/574 ,  H01M50/581 ,  H01M50/562 ,  H01M50/583 ,  H01M50/578 ,  H01M50/54 ,  H01M10/655

摘要： Disclosed is a bipolar battery with which thermal deterioration of the electrode body due to the generation of heat of tabs can be suppressed. The bipolar battery of the present disclosure includes a first member, a second member, and a laminate electrode body arranged therebetween, wherein the laminate electrode body includes a first current collector constituting a lamination direction end surface, a second current collector constituting the other lamination direction end surface, at least one bipolar current collector arranged between the first current collector and the second current collector, and a plurality of power generating elements which are electrically connected in series via the bipolar current collector between the first current collector and the second current collector, the first current collector is arranged between the first member and the bipolar current collector, the second current collector is arranged between the second member and the bipolar current collector, the first current collector has a first tab, the second current collector has a second tab, an amount of heat generated by the first tab during energization of the battery is greater than an amount of heat generated by the second tab, the first member is a cooling member for cooling the first current collector, and a cooling performance of the first member is greater than a cooling performance of the second member.

公开(公告)号：US20230039284A1

公开(公告)日：2023-02-09

申请号：US17876054

申请日：2022-07-28

申请人： PRIME PLANET ENERGY & SOLUTIONS, INC.

发明人： Takahiro SAKURAI ,  Kosuke SUZUKI ,  Kota OHATA

IPC分类号： H01M50/557 ,  H01M50/562 ,  H01M50/209 ,  H01M50/516

摘要： This disclosure provides a terminal component that can reduce thermal deterioration due to beam irradiation to a metal joining portion. A terminal component disclosed herein includes a first member formed of a metal and a plate-like second member formed of a metal, and a metal joining portion joined by metal joining is formed in a boundary surface where the first member and the second member are stacked. On a surface of the second member in an opposite side to the boundary surface, a raised portion raised from the surface is formed in a peripheral portion close to the metal joining portion.