Venting Structure Patents (Class 429/82)
  • Patent number: 11217850
    Abstract: Provided is a frame assembly for fixing a plurality of stacked battery cells. The frame assembly may include: a frame including an upper surface, a first side surface connected to a first end of the upper surface and a second side surface connected to a second end of the upper surface, the frame being configured to enclose the plurality of battery cells; a plurality of first bus bars disposed on the first side surface; a plurality of second bus bars disposed on the second side surface; and a flexible printed circuit board disposed along the upper surface, the first side surface, and the second side surface of the frame, the flexible printed circuit board being configured to sense the plurality of battery cells.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: January 4, 2022
    Assignee: Yura Corporation Co., Ltd.
    Inventors: Cheon Hyo Lee, Kwang Ouk Sa
  • Patent number: 11183732
    Abstract: A non-sealed apparatus for batteries with a containment structure for gasses that includes a battery enclosure with an upper portion and a lower portion. The apparatus further includes a plurality of batteries disposed in a lower portion of the battery enclosure. The apparatus has at least one battery containment structure disposed in an upper portion of the battery enclosure, which is configured to move downward thereby sealing the plurality of batteries upon a condition. Further, a transfer channel assembly is provided within the battery enclosure and configured to transfer and/or contain gases emitted by the plurality of batteries upon the condition. The apparatus also has at least one fan configured to circulate the air in and out of the battery enclosure through the first perforated opening and the second perforated opening.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: November 23, 2021
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: John Torok, Noah Singer, John S. Werner, Budy Notohardjono, Arkadiy O. Tsfasman
  • Patent number: 11139531
    Abstract: Power storage modules and BM includes: a plurality of power storage elements; a circuit board that is configured to connect the power storage elements; a case that is made of a metal and is configured to house the power storage elements; and holding members and that are configured to hold the power storage elements, wherein the holding members include: the cap into which the power storage elements are to be fit; the fixing portion that is configured to be fixed to the case; and the resin elastic portion that is provided so as to be able to elastically expand and contract between the cap and the resin elastic portion, and is constituted by a resin.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: October 5, 2021
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventor: Tatsuya Sumida
  • Patent number: 11121435
    Abstract: Pouch-type battery cells include a first and second pouch layer, one or more electrode pairs between the two pouch layers, each pair including an anode and cathode current collector, a peripheral seal defined by a peripheral seal path and joining the two pouch layers to form a pouch encasing the one or more electrode pairs, an anode tab electrically coupled to one or more anode current collectors within the pouch and a cathode tab electrically coupled to one or more cathode current collectors within the pouch each extend outward from the peripheral seal. The anode and/or cathode tab include one or more apertures disposed along the peripheral seal path such that a portion of the peripheral seal is formed between the first and second pouch layers within the one or more apertures. The tabs of multiple battery cells can be electrically coupled via busbars to form a battery pack.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: September 14, 2021
    Assignee: GM Global Technology Operations LLC
    Inventor: Caleb A. Jones
  • Patent number: 11101522
    Abstract: The present disclosure is related to articles (e.g., containers, battery packs, etc.) including a lithium material (e.g., one or more lithium-containing batteries) housed therein. The articles include sulfur hexafluoride located within an interior compartment of the article to provide an inert atmosphere within the interior compartment. The present disclosure is also related to methods of inerting such articles (e.g., containers, battery packs, etc.) with sulfur hexafluoride. Additionally, the present disclosure is related to conveyed (e.g., pumped, blown, etc.) looped cooling apparatuses and systems.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: August 24, 2021
    Assignee: The Boeing Company
    Inventors: Maurice P. Bianchi, David Kirshman
  • Patent number: 11094978
    Abstract: The present invention relates to a battery system including at least one aligned battery cell arranged along a first direction. Each of aligned battery cells includes a battery case in which an electrode assembly is accommodated, a cap assembly disposed in the battery case, and a vent hole provided in the cap assembly. The battery system further includes a battery system cover for covering the aligned battery cells. The battery system cover includes at least one ridge portion disposed on a lower surface thereof to face the aligned battery cells. The ridge portion extends along the first direction to be aligned with the vent holes formed in the aligned battery cells, and the ridge portion deflects the gas ejected from the vent holes along a second direction that is substantially perpendicular to the first direction. The gas ejected from the battery cells is distributed away from the adjacent cells disposed along the first direction so that the battery system may reduce the risk of thermal runaway propagation.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: August 17, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Andrej Golubkov
  • Patent number: 11081722
    Abstract: Provided are electrode active materials that include a metal oxide or oxynitride with a porous structure that when loaded with sulfur serve as electrochemically superior cathode active materials. The metal nitride or metal oxynitride structures are optionally used on their own, are coated with another material, or itself 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.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: August 3, 2021
    Assignee: Navitas Systems, LLC
    Inventors: Pu Zhang, Michael Wixom, Qingliu Wu
  • Patent number: 11075427
    Abstract: A secondary battery including: an electrode assembly; a case accommodating the electrode assembly; and a cap assembly coupled to the case. The cap assembly includes: a cap-up exposed at a top of the cap assembly; a safety vent under the cap-up; and a reinforcement plate between the cap-up and the safety vent and extending along a periphery of the cap-up. The safety vent includes a protrusion protruding toward the electrode assembly and is electrically connected to the electrode assembly via the protrusion.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: July 27, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Byoungmin Chun
  • Patent number: 11063276
    Abstract: An electrochemical cell and a method of operating the same. In accordance with various embodiments, the cell includes an anode, one or more cathodes opposite the anode defining a pathway there between. Chemical reactions allow the electrolyte to flow through the defined pathway without requiring a pumping device.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: July 13, 2021
    Assignee: L3 Open Water Power, Inc.
    Inventors: Thomas Bradford Milnes, David Harvie Porter, Chloe Rose Holzinger
  • Patent number: 11063318
    Abstract: A cylindrical battery cell includes a jelly-roll type electrode assembly, configured to have a structure in which a positive electrode and a negative electrode are wound in a state in which a separator is disposed between the positive electrode and the negative electrode; a cylindrical battery case having no beading part; a cap assembly located at the open upper end of the cylindrical battery case, the cap assembly including a safety vent configured to rupture in order to exhaust gas when pressure in the battery case increases; a gasket mounted so as to surround the outer circumference of the safety vent in order to maintain insulation between the cap assembly and the cylindrical battery case; and a washer for fixing the cap assembly to the cylindrical battery case, the washer coupled to an upper surface of an outer circumferential portion of the open upper end of the cylindrical battery case.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: July 13, 2021
    Inventors: Hang Soo Shin, Do Gyun Kim, Sang Sok Jung, Byoung Kook Lee, Byoung Gu Lee, Geon Woo Min, Chan Bae Kim
  • Patent number: 11056749
    Abstract: To solve the above-described objects, a method for manufacturing a secondary battery according to an embodiment of the present invention comprises: manufacturing an electrode assembly in which electrodes and a separator are alternately stacked; inserting the electrode assembly into a battery case through an opening; covering the opening of the battery case; injecting an electrolyte into the battery case through an injection hole formed in the battery case; closing the injection hole; performing a pre-formation process; and applying external force to a switch of a gas discharge device formed on one surface of the battery case, thereby linearly moving a gasket of the gas discharge device and opening a gas discharge hole, such that a first gas generated in the battery case is discharged to an outside of the battery case during the performing of the pre-formation process.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: July 6, 2021
    Inventors: Jin Uk Do, Je Jun Lee, Sang Suk Jung, Min Ki Jo
  • Patent number: 11050114
    Abstract: Battery enclosure arrangements for a vehicular battery system. The arrangements, capable of impact resistance include plurality of battery cells and a plurality of kinetic energy absorbing elements. The arrangements further include a frame configured to encase the plurality of the kinetic energy absorbing elements and the battery cells. In some arrangements the frame and/or the kinetic energy absorbing elements can be made of topologically interlocked materials.
    Type: Grant
    Filed: August 18, 2019
    Date of Patent: June 29, 2021
    Assignee: Purdue Research Foundation
    Inventors: Waterloo Tsutsui, Yuezhong Feng, Weinong Wayne Chen, Thomas Heinrich Siegmund
  • Patent number: 11041909
    Abstract: A fixing device for a secondary battery test having a seating stage on which the secondary battery to be tested is seated and which is provided as a magnetic body, a cover provided as a magnetic body to cover the secondary battery, and a magnetic force generator providing magnetic force to the seating stage and the cover is provided. When the magnetic force is transmitted from the magnetic force generator to the seating stage and the cover, attractive magnetic force is generated between the cover and the seating stage to fix the secondary battery disposed between the cover and the seating stage without moving.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: June 22, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Bum Young Jung, Byung Soo Kim, Yong Min Lee, Il Hyoung Joung, Kyu Rak Kim
  • Patent number: 11018397
    Abstract: A thermal runaway protection system for serially-connected battery cells, comprises a flexible thermal runaway shield (“TRS”) and a channel separator. The flexible TRS is configured to be disposed around the serially-connected battery cells. The channel separator is configured to be disposed at a positive cap of one of the serially-connected battery cells. The channel separator comprises a body and a via configured to electrically connect two sides of the channel separator. The body has a raised outer ring with a gap for venting gas during thermal runaway. The raised outer ring is configured to be in contact with the positive cap. The flexible TRS has an opening aligned to the gap of the outer ring.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: May 25, 2021
    Assignee: KULR TECHNOLOGY CORPORATION
    Inventors: Timothy Ray Knowles, Michael Gerald Carpenter, Yoshio Robert Yamaki, Michael Mo
  • Patent number: 11005087
    Abstract: Embodiments described in this application relate generally to a system, an apparatus and/or methods for manufacturing electrodes by infusion electrolyte into compacted electrode materials. In some embodiments, a working electrode materials can be produced using an infusion mixing and manufacturing process. In some embodiments, a single-sided finished electrode can be produced directly from a dry powder mixture using an infusion mixing and manufacturing process. In some embodiments, a double-sided finished electrode can be produced directly from a dry powder mixture using an infusion mixing and manufacturing process. The electrodes produced by an infusion mixing and manufacturing process generally perform better than those produced by non-infusion processes.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: May 11, 2021
    Assignees: 24M Technologies, Inc., Kyocera Corporation
    Inventors: Naoki Ota, Takaaki Fukushima, Yutaka Wakai, Motoi Tamaki, Sean Simon, Nicholas Varamo, Duy Le, Taison Tan, Hiromitsu Mishima
  • Patent number: 10998585
    Abstract: A determination method of smoke emission in a battery includes: calculating first and second internal resistance values, of each of the parallel circuits in first and subsequent second periods, respectively; acquiring a temperature value of each of parallel circuits; and determining the smoke emission in at least one of cells included in one of the parallel circuits, when at least detecting that the one of the parallel circuits has the second internal resistance value smaller than the first internal resistance value, and has an increase in the temperature value within a period defined based on the first and second periods.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: May 4, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Takayuki Akaishi
  • Patent number: 10971781
    Abstract: A secondary battery is disclosed. According to the present invention, in a case in which the secondary battery is ignited, a gas and materials within the secondary battery may be smoothly discharged to improve safety when the secondary battery is ignited. In order to achieve the above-described object, according to an aspect of the present invention, a secondary battery includes: an electrode assembly; a battery can accommodating the electrode assembly; and a coating part applied to the battery can, wherein the battery can includes a slim part having a relatively thinner thickness than that of the other region of the battery can, and the coating part is applied to the slim part and made of a metal material having tensile strength less than that of the slim part.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: April 6, 2021
    Inventors: Sang Gu Ji, Cheon Hee Bok, Myung An Lee, Sang Uck Kim, Geun Young Park, Yong Han Kim, Da Na Kim
  • Patent number: 10960246
    Abstract: A method for responding to a fire-critical battery state in a motor vehicle having at least one battery, and a motor vehicle designed to carry out such a method. A battery temperature of the at least one battery of the motor vehicle is continuously detected by at least one temperature sensor. The method includes the following steps: Continuous detection of a temperature change in the battery based on the continuously detected battery temperature; verifying whether the detected temperature change exceeds a specified threshold defining a fire-critical battery state; and activating at least one vehicle function in order to perform a protective and/or warning measure by a control unit, if the fire-critical battery state is reached.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: March 30, 2021
    Assignee: AUDI AG
    Inventor: Michael Stadler
  • Patent number: 10840556
    Abstract: Systems and methods for a battery electrode having a solvent level to facilitate peeling are disclosed. In examples, a battery may include one or more electrodes and an electrolyte. The electrodes include an electrode slurry layer with a solvent. The electrode slurry is coated on a substrate, where the electrode slurry and substrate produce an active material with a residual amount of solvent in response to a heat-treatment, and where the active material comprises 10% to 25% residual solvent by weight following the heat-treatment. The amount of residual solvent facilitates peeling of the active material from the substrate, which, once pyrolyzed, may be used to create a multi-layer film with the current collector film and the active material.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: November 17, 2020
    Assignee: Enevate Corporation
    Inventors: Monika Chhorng, Ian Browne
  • Patent number: 10804514
    Abstract: A vent adapter for a lead-acid battery includes a first side configured to mate with a vent port of the lead-acid battery via a first connector having a first geometry; and a second side in fluid communication with the first side and configured to mate with a vent passage of an automobile via a second connector having a second geometry, wherein the first and second geometries have respective shapes that are different from one another.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: October 13, 2020
    Assignee: CPS Technology Holdings LLC
    Inventors: Jeffrey H. Juds, Joseph E. Liedhegner
  • Patent number: 10777861
    Abstract: A battery pack for carrying one or more battery cells in the battery pack can include a chassis defining a body for holding the battery cells. The chassis can include a set of vertical battery cell holders adapted to hold the battery cells. A set of horizontal passages can be provided in the chassis between the set of vertical battery cell holders. A cap assembly can be provided at one end of the battery cells and within the body providing venting for the battery cells through the battery cell holders.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: September 15, 2020
    Assignee: GE Aviation Systems Limited
    Inventors: Colin John Halsey, Michael James Smith
  • Patent number: 10777788
    Abstract: A vehicular battery pack comprising a parallelepiped-shaped container, wherein cells are arranged in layers one above the other in the container, and wherein relative monitoring devices of the individual cells are arranged on a second lateral wall, perpendicular to said layers and first lateral walls, perpendicular to said layers and to said second lateral wall, wherein said first lateral walls are configured to cool said layers of cells.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: September 15, 2020
    Assignee: FERRARI S.P.A.
    Inventors: Elena Ligabue, Luca Poggio
  • Patent number: 10777794
    Abstract: The present application discloses a battery pack, comprising a first battery module, a second battery module, a housing and a fireproof member. The first battery module includes a plurality of battery cells which are provided with vents; the second battery module includes a plurality of battery cells which are provided with vents. Both the first battery module and the second battery module are arranged in the housing; the fireproof member is vertically disposed and located between the vents of the first battery module, where the vents of the first battery module and the vents of the second battery module both face the fireproof member. The battery pack prevents collective thermal runaway of the battery cells by using the fireproof member to separate the battery cells of the first battery modules and the battery cells of the second battery modules.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: September 15, 2020
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Kaijie You, Haizu Jin, Dongyang Shi, Fei Hu, Yu Tang, Yuepan Hou, Ziyuan Li, Jun Ma
  • Patent number: 10777790
    Abstract: A vehicular battery pack comprising a parallelepiped-shaped container, wherein cells are arranged in layers one above the other in the container, and wherein relative monitoring devices of the individual cells are arranged on a second lateral wall, perpendicular to said layers and first lateral walls, perpendicular to said layers and to said second lateral wall, wherein said first lateral walls are configured to cool said layers of cells.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: September 15, 2020
    Assignee: FERRARI S.P.A.
    Inventors: Elena Ligabue, Luca Poggio
  • Patent number: 10745144
    Abstract: A battery housing including a plurality of side walls oriented to define an interior, and at least one partition that subdivides the interior into at least a first battery compartment and a second battery compartment. The at least one partition defines a flame arrestor configured to provide fluid communication between the first battery compartment and the second battery compartment such that combustion gases are ventable therebetween.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: August 18, 2020
    Assignee: The Boeing Company
    Inventors: Tracy Lee Tweet, Michael Kent Dove
  • Patent number: 10714797
    Abstract: A multilayer thermal laminate with aerogel is used for a battery cell enclosure to improve thermal properties and to reduce thermal inhomogeneity in the form of localized hotspots that exceed a desired rated temperature, thereby enabling a more compact design within rated thermal design limits for a given electrical performance.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: July 14, 2020
    Assignee: Dell Products L.P.
    Inventors: Andrew Thomas Sultenfuss, Richard Christopher Thompson, Travis C. North
  • Patent number: 10665837
    Abstract: An energy storage apparatus includes an outer case, and an energy storage device housed in an inside of the outer case. The outer case includes a ventilation chamber which makes the inside and an outside of the outer case communicate with each other. The ventilation chamber includes a front wall in which a through hole communicating with the outside is formed, a back wall disposed at a position where the back wall opposedly faces the front wall, a first wall disposed between the through hole and the back wall, and a first side wall disposed in an extending manner along a first direction which intersects with the front wall with a gap formed between the first side wall and the first wall. The gap is formed over a distance from the front wall to the back wall along the first direction.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: May 26, 2020
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventors: Masamitsu Tononishi, Yuta Kawai
  • Patent number: 10644279
    Abstract: A battery pack including a plurality of battery cells and a battery housing defining a plurality of receptacles each configured to support a respective one of the plurality of battery cells is provided. A plurality of damping inserts are each arranged within a respective one of the plurality of receptacles and positioned between a respective one of the plurality of battery cells and the battery housing.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: May 5, 2020
    Assignee: NIO USA, Inc.
    Inventor: Austin Newman
  • Patent number: 10644287
    Abstract: A battery module includes: a plurality of battery cells and a case for housing the plurality of battery cells. The case has a plurality of through-holes which are provided to a wall part forming an outer face of the battery module and via which gas ejected from at least one of the plurality of battery cells is discharged in a dispersed manner.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: May 5, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Keisuke Shimizu, Yoshihiro Shiotsu, Hiroshi Takasaki
  • Patent number: 10629885
    Abstract: A case includes first and second opposed main surfaces and a side surface extending between the first and second main surfaces. An electrode body is housed in the case and including a first electrode, a second electrode, and a separator disposed between the first and second electrodes. First and second terminals are located on the side wall of the case. A first lead is electrically connected with the first electrode and extends from a side surface of the electrode body. A second lead is electrically connected with the second electrode and extends from the side surface of the electrode body. First and second connection members electrically connect the first and second leads to the first and second terminals, respectively. Each of the connection members includes a first part extending along the side surface of the case and a second part extending along the second main surface of the case.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: April 21, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Yuji Mizuguchi, Retsu Tahara, Hirotaka Maeyoshi, Keisuke Shimada
  • Patent number: 10581034
    Abstract: A battery assembly may include bus strips located on one or more sides and displaced ends of battery cells. The battery assembly may comprise a heater. The battery assembly may comprise one or more refractory panels. A refractory panel may comprise weakened regions corresponding to battery cells.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: March 3, 2020
    Assignee: Science Applications International Corporation
    Inventors: Gary A. Bayles, Charles R. Longabaugh
  • Patent number: 10541454
    Abstract: An energy storage apparatus includes: a plurality of energy storage devices arranged in a row in a first direction; and a plurality of spacers which are arranged adjacently to the energy storage devices in the first direction. Each of the spacers includes a passage defining portion which defines, with the energy storage device arranged adjacently to the spacer in the first direction, passages. The energy storage devices arranged at both ends in the first direction are cooled more easily than the energy storage devices arranged between the energy storage devices arranged at both ends in the first direction.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: January 21, 2020
    Assignees: GS YUASA INTERNATIONAL LTD., HONDA MOTOR CO., LTD.
    Inventors: Yosuke Nishimura, Motoki Hoshino, Masao Kawata, Jun Machida
  • Patent number: 10490791
    Abstract: The present invention extends to a container venting system. A wall portion of a container includes a (e.g., thermo-sensitive) panel. Any portion of the panel exposed to sufficient heat crumbles or ruptures (e.g., without burning) creating an opening in the wall portion. In one aspect, a container is included in a vehicle (e.g., an Unmanned Aerial Vehicle (UAV)). The container includes a panel in an external wall of the vehicle. Any portion of the panel exposed to sufficient heat crumbles to create an opening in the external wall of the vehicle. A container can be a sealed container with the panel sealed to the wall portion or to the external wall of the vehicle. The interior of the sealed container can contain a battery cell. Creating an opening allows gases to vent out of the sealed container and/or to vent outside of the vehicle.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: November 26, 2019
    Assignee: Olaeris, Inc.
    Inventor: Paul E. I. Pounds
  • Patent number: 10468649
    Abstract: Disclosed is a battery case, which includes a frame unit having an accommodation space formed therein so that a cell assembly including a plurality of stacked battery cells is accommodated therein, the frame unit having at least one open side surface; and a frame cover configured to cover the at least one open side surface and having an extinguishing space in which flame generated at the cell assembly is introduced and extinguished, the frame cover having a discharge unit communicating with an outside of the extinguishing space so that gas generated at the cell assembly and introduced into the extinguishing space is discharged to the outside of the extinguishing space.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: November 5, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Seung-Ryul Choi, Do-Gyun Kim, Ho-Seoung Son
  • Patent number: 10427904
    Abstract: The separator production method in accordance with an embodiment of the present invention includes a coated article winding off step of winding off, from a core, a separator original sheet which has been taken up in a coated article taking up step of winding the separator original sheet on an outer peripheral surface of the core while oscillating the core in a rotation axis direction, and the core is oscillated in the rotation axis direction in the coated article winding off step.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: October 1, 2019
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Jian Wang, Tatsuya Kataoka, Hideyuki Hamamura
  • Patent number: 10396390
    Abstract: A fuel cell stack for a vehicle includes a stack body and a case. The stack body includes power generating cells to generate electric power via electrochemical reaction between fuel gas and oxidant gas. The power generating cells are stacked. The case houses the stack body therein and is mounted in the vehicle. The case includes a lower panel and an upper panel. The upper panel is provided above the lower panel in a height direction of the vehicle and has an inner surface opposite to the lower panel in the height direction. The stack body is provided between the upper panel and the lower panel. The upper panel includes a flow passage therein which extends along the inner surface of the upper panel and which communicates with an interior of the case and an exterior of the case.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: August 27, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventor: Hideharu Naito
  • Patent number: 10381171
    Abstract: An electric storage cell has an electric storage element and a covering body. The covering body houses the electric storage element and has a metal layer with a first principal face on the electric storage element side and a second principal face on the opposite side, an internal resin layer made of resin laminated onto the first principal face, and an external resin layer made of resin laminated onto the second principal face, with a groove part formed on the second principal face side of the metal layer. The above structures provides a highly reliable electric storage cell, covering film, and electric storage module capable of releasing the rising internal pressure safely in the event of abnormality.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: August 13, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Hiromi Sato, Tomofumi Akiba, Shinji Ishii, Katsunori Yokoshima
  • Patent number: 10381622
    Abstract: A battery pack which may secure safety when fire or gas occurs therein or when an external impact is applied thereto is provided. The battery pack includes: a cell assembly including a plurality of secondary batteries; and a pack case including a bottom part having a plate shape and located under the cell assembly, and a side wall part protruding from the bottom part to a preset height, the pack case accommodating the cell assembly in an inner space defined by the bottom part and the side wall part, wherein the side wall part of the pack case includes a hollow in a direction at least partially perpendicular to a thickness direction of the side wall part, and the hollow includes an inwardly open inlet and an outwardly open outlet.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: August 13, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Tae-Wook Kim, Kwang-Il Kim, Jeong-Man Son, Jun-Hee Lee
  • Patent number: 10374201
    Abstract: The present disclosure is related to articles (e.g., containers, battery packs, etc.) including a lithium material (e.g., one or more lithium-containing batteries) housed therein. The articles include sulfur hexafluoride located within an interior compartment of the article to provide an inert atmosphere within the interior compartment. The present disclosure is also related to methods of inerting such articles (e.g., containers, battery packs, etc.) with sulfur hexafluoride. Additionally, the present disclosure is related to conveyed (e.g., pumped, blown, etc.) looped cooling apparatuses and systems.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: August 6, 2019
    Assignee: THE BOEING COMPANY
    Inventors: Maurice P. Bianchi, David Kirshman
  • Patent number: 10340489
    Abstract: A secondary battery includes an electrode assembly, a case accommodating the electrode assembly, and a cap assembly coupled to a top portion of the case. The cap assembly includes a cap-up, a safety vent under the cap-up, a cap-down under the safety vent, an insulator between the safety vent and the cap-down, and a sub-plate on a bottom surface of the cap-down. Laser patterns formed by using a laser beam are on a bottom surface of the safety vent and a top surface of the cap-down.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: July 2, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sunggwi Ko, Geunho Seo
  • Patent number: 10326158
    Abstract: Disclosed herein is a cylindrical battery module that is capable of effectively discharging heat generated from cylindrical battery cells to the outside and that is capable of stably supporting the battery cells. The cylindrical battery module includes an upper plate provided with a plurality of battery holders for receiving and fixing cylindrical battery cells, the battery holders protruding upward from the upper plate by a predetermined height, a lower plate located under the upper plate, the lower plate being provided with a plurality of battery holders for receiving and fixing cylindrical battery cells, the battery holders protruding downward from the lower plate by a predetermined height, and a middle plate and a cooling plate located between the upper plate and the lower plate.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: June 18, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Tae Gyu Lee, Bum Choi
  • Patent number: 10319966
    Abstract: A power battery device includes: a battery tray having a positioning member provided on the upper surface thereof; and a plurality of battery modules disposed on the battery tray and arranged in at least two layers in an up-down direction, each battery module comprising: a housing having a first positioning portion disposed on the upper surface of the housing and a second positioning portion disposed on the lower surface of the housing; a battery disposed within the housing, the first positioning portion of the housing in a lower layer is matched with the second positioning portion of the housing in an upper layer, and the battery modules in the lowermost layer of the battery modules are positioned by the positioning member.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: June 11, 2019
    Assignee: BYD Company Limited
    Inventors: Xing Liu, Hongjun Wang, Chao Zhang, Fangfang Bu, Liqiang Chen
  • Patent number: 10236487
    Abstract: To provide a film-covered battery and a battery module having high resistance to external impact. A frame body is placed on a peripheral portion of a film-covered battery. The frame body has a protruding portion. The peripheral portion of film-covered body is supported by the protruding portion.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: March 19, 2019
    Assignee: NEC ENERGY DEVICES, LTD.
    Inventor: Yoshihiro Komiya
  • Patent number: 10211444
    Abstract: Present embodiments are directed to a battery module including a venting assembly and a method of manufacturing the battery module. The venting assembly may, in certain embodiments, be designed to vent gases from a plurality of battery cells disposed in a housing of the battery module. Each of the plurality of battery cells may include a battery cell vent. The venting assembly may include a lid designed to be coupled to the housing and disposed over the battery cells in the housing. In some embodiments, the lid includes a vent chamber formed in the lid and designed to receive and direct gases vented from the plurality of battery cells away from the battery module.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: February 19, 2019
    Assignee: Johnson Controls Technology Company
    Inventors: Richard M. DeKeuster, Robert J. Mack, Edward J. Soleski, Matthew R. Tyler, Stephen D. Cash, Mikhail S. Balk
  • Patent number: 10186694
    Abstract: A power storage module is provided with: a pair of end plates for clamping a plurality of secondary cells arranged in parallel in one direction; first and second cover members fixed to one end plate of the pair of end plates, the first and second cover members being arranged facing the top surface of an enclosure, an electrode terminal being provided on the top surface; through-holes formed in the first and second cover members, the through-holes extending in the one direction; and engaging protrusions provided to first cell holders, the engaging protrusions protruding in the direction in which the first and second cover members are arranged, and being engaged with the first and second cover members, with the engaging protrusions passed through the through-holes.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: January 22, 2019
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Hiromi Ueda, Naoto Morisaku, Takayuki Kato
  • Patent number: 10141546
    Abstract: Disclosed is an inner case of a battery module assembly in which four battery modules, each having a plurality of cylindrical secondary battery cells (hereinafter, also referred to as ‘cells’), are electrically connected in series. The inner case includes a side frame making contact with two facing sides among sides of the battery module assembly, an upper frame making contact with an upper surface of the battery module assembly, and an electrode post electrically connected to an electrode of the battery module assembly and located at a top of the upper frame. Therefore, it is possible to provide an inner case of a stable and economic battery module including a plurality of secondary battery cells.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: November 27, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Jong Kim, Chae-Yang Cho, Soon-Ho Ahn
  • Patent number: 10135058
    Abstract: One aspect of the present invention provides a rechargeable battery that is capable of preventing a vent from being oxidized by preserving a plating layer of a surface of a vent. An exemplary embodiment of the present invention provides a rechargeable battery, including: an electrode assembly for performing charging and discharging operations; a case for accommodating the electrode assembly; and a cap assembly combined to an opening of the case and sealing the case. The case includes a vent at one side, and the vent has a plurality of ends in a thickness direction of the case and includes a plating layer on its surface.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: November 20, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Byoung-Min Chun, Shin-Jung Kim, Takao Abe
  • Patent number: 10126366
    Abstract: An apparatus for the in situ NMR monitoring of a battery including an anode, a separator and an air cathode is provided. The apparatus includes a non-metallic anode container portion, a non-metallic cathode container portion, and non-metallic connecting structure and sealing structure for connecting and sealing the anode container portion and the cathode container portion to define a hermetically sealed interior space for containing the battery with an anode of the battery adjacent the anode container portion and an air cathode of the battery adjacent the cathode container portion. The cathode container portion includes an air chamber portion with an air inlet and an air outlet. The air chamber portion can be adjacent to the air cathode such that air flowing from the air inlet to the air outlet will contact the air cathode. A method of evaluating an air cathode battery and a battery assembly for the NMR spectroscopy of an air cathode battery are also disclosed.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: November 13, 2018
    Assignee: FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION, INC.
    Inventors: Jian-ping Zheng, Annadanesh Shellikeri
  • Patent number: 10096808
    Abstract: A secondary battery is disclosed. In one aspect, the battery includes an electrode assembly, a can accommodating the electrode assembly therein and a cap assembly sealing the can. The cap assembly includes a sub-plate electrically connected to the electrode assembly and a vent having a protruding portion electrically connected to the sub-plate. The vent includes i) a first fracture portion and ii) a second fracture portion formed between the first fracture portion and the protruding portion.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: October 9, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Dae-Kyu Kim
  • Patent number: 10069120
    Abstract: A battery module includes a battery block including a plurality of battery cells, each including a positive electrode terminal and a negative electrode terminal, and a vent between the positive electrode terminal and the negative electrode terminal and a middle cover including a plurality of bus-bars at one edge and at an other edge of the middle cover, the middle cover being connectable to the positive and negative electrode terminals. The middle cover may include a first barrier and a second barrier located such that the vent is between the first barrier and the second barrier and a third barrier between the bus-bars located at the other edge and the second barrier.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: September 4, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Sang Kyu Ahn